anchoring a catamaran

Anchoring and mooring a catamaran

Life in an anchorage is great on two hulls so long as you know how to moor the boat.

You can’t beat a catamaran for liveability, and no monohull can stand up the comfort provided by a catamaran in a beautiful anchorage. But before you can get to the part where the water toys come out and dinner is served in the cockpit as the sun sets, you have to get the boat anchored or on a mooring. And that can be bit more complicated than it is on a monohull.

The beauty of anchoring with a catamaran, of course, is that the shallow draft means that you can usually head for the front row if you desire, but keep in mind that catamarans tend to swing at anchor much more than monohulls, so you’ll need to scope out a space with a good amount of room. 

As with all boats, approach the anchoring spot from downwind, keeping the boat straight into the wind and moving slowly, but with enough power to keep the bows pointed upwind, bringing the boat to as close to a stop as possible as you deploy the anchor.

Aim for about 5-to-1 scope, as measured from the anchor roller to the sea bottom. More scope may be needed in some conditions, but 5-to-1 is typically a good starting place. With the anchor out, set the safety catch on the anchor rode so that the windlass does not carry the load as the anchor catches. 

The helmsman then backs straight downwind, using the dual engines to keep the bow pointed into the wind. For sailors unaccustomed to twin engines it can be helpful to imagine the throttles as being the handle of a shopping cart. 

When the anchor is secured, it is time to rig up the most important part of a catamaran mooring system: the bridle.

Ideally the bridle will be tied to the bow cleats or attached to padeyes at the bows ready for action before you set the anchor. Once you’ve tested that the anchor is holding, connect the bridle’s shackle or D-ring to a link of anchor rode chain, release the safety catch and let out enough anchor rode that the bridle is carrying the entire load of the anchor. Take up excess slack, replace the safety catch, and your anchor system is set to go.

If you’re in a location where a swim is an option, it’s a good idea to put on a pair of goggles and check the anchor.

Using two anchors

Catamarans are particularly well suited to double-anchor systems because there’s more space to work with two anchors, one off each bow. Double anchors offer increased holding and reduced swing.

Set your first anchor in the usual way, then let out a good amount of additional scope. Drop the second anchor from the opposite hull (or from either hull if the original anchor is set in the middle), then take up the additional scope you let out on the original anchor, paying out the rode on the second anchor. When both anchors are set, hook them both up to the bridle.

You can also anchor Med-style, by setting your main anchor in deeper water then using those handy twin engines to back toward shore. Then use the dinghy to take either a long rope or anchor with a rope rode to shore where you can either put the anchor on the beach or tie to a fixed point. 

This system works if you prefer to go bow in as well, but then you should make sure to use your bridle on the aft end of the boat. 

Weighing anchor

When it’s time to leave that cozy anchorage, and the helmsman has the engines running, start by removing the bridle. As with any boat, the goal is to slowly power the boat over the anchor, so the person on the bow needs to use their arm or a boat hook to point in the direction of the anchor, giving the helmsman guidance on which way to steer. 

The helmsman can once again rely on the throttles to maneuver the boat in the right direction. 

As the boat moves forward, use the windlass to take up the slackening anchor rode. Do not use the windlass to pull the boat forward; that’s what the engines are for. 

As the boat comes over the anchor, it will often lift off the bottom with the change in angle. If the anchor is well set, the helmsman may need to drive slightly past the anchor to break it free. Once that happens the helmsman should slow the boat and the windlass can finish the job of lifting the anchor. Make sure to set the safety catch once the anchor is fully up.

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Anchoring - All you need to know about bridles

Article published on 18/06/2021

By Jonathan Neeves

published in n°SP16 aug. / sept.

Jonathan and his wife Josephine bought their Lightwave 38 new, and sail out of their homeport of Sydney, Australia. The couple regularly sail to the tropical north, but with places like the Whitsundays becoming increasingly popular, they decided to move their annual cruises south. Tasmania enjoys at least one Storm Warning a month through the summer, and many more in winter. The couple’s ground tackle has been honed to meet the demands of anything the Southern Ocean and Roaring Forties can throw at them. This article is a description of part of their ground tackle developments.

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Multihulls, catamarans in particular, have been using bridles for decades. The major reasons to use a bridle were to reduce veering and to take the load off the windlass. Sadly, most multihull bridles miss one of the major advantages of introducing rope between chain and yacht because the common multihull bridle lacks elasticity. Multihull bridles tend to be too short and too large in diameter and if you want any snubbing effect, you need elasticity. Elasticity is simply best achieved with thin, long, commonly, nylon rope.

ENSURE YOU HAVE SWINGING ROOM!

Multihulls at anchor are subject to three primary effects, the windage of the vessel, yawing or veering (movement of side to side of the vessel caused by vessel characteristics or a wind that gusts from different directions) and horsing, up down see-sawing motion caused by waves, swell or chop. The common perception is that the windage of a vessel, in particular a catamaran, is a major concern. Indirectly this is true but directly the tension caused by the windage in a steady wind is well within the holding capacity of a correctly sized rode and anchor, properly set in a good holding seabed. It’s the movement of the multihull (or any other vessel) or bad luck that might cause an anchor to drag - not a steady tension caused by windage. Most modern 35 lb/15kg anchors will hold a steady pull of a couple of tons - a tension unlikely to be developed by a catamaran in any imaginable wind sized for such an anchor! It is snatch loads resulting from movement and lateral loads that are the killer - not ‘in line’ windage.

We often assume the quality of the ground tackle based on the anchor – seen here, a Spade. But the chain and the bridle are just as important! Our 75m (250’) of 6mm chain, in the near 2 pails, replaced the original 50m (160’) of 8mm chain, in the rear 2 orange pails, saving both space and weight - but sacrificing catenary. 

ANCHOR CHAIN CATENARY

The reason that veering can be the most catastrophic is simply that the multihull can ‘sail’ at anchor and any speed it develops can produce tensions in the rode well beyond windage. During testing at short scope, we have measure snatch loads of ‘only’ 650kg (1,450 lbs) - they are frightening, but the anchor has held. These tensions developed by veering can be increased with additional tensions from chop and swell, caused by the wind or a passing motor boat. The anchor rode has similarities to the bungee cord. A common chain develops a catenary when deployed, that ‘sag’ in the chain, and as the wind develops that sag is removed (in part) and the straightening of the sag is the chain absorbing some kinetic energy. If the wind eases that sag returns as the yacht is pulled forward. Unfortunately, catenary has a finite limit and at the point when the chain ...

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Anchors For Catamarans

The best anchoring equipment for your catamaran.

Every catamaran owner has his/her personal reasons for choosing a particular type of anchor and anchor manufacturer. Ship chandlers and experts all have personal preferences and much advice. To figure out what you need, first figure out how an anchor works.

How An Anchor Works

Basically, anchors work one of in 2 ways

• they are either huge and heavy and use their weight to keep the boat from moving
• or, as in most modern anchor types, they are relatively light and bury themselves in the seabed to stop the boat from moving.

An anchor’s ability to create resistance is dependent on its ability to “hook” or “bury” itself into the seabed. It needs to create enough resistance in the seabed to withstand the environmental forces on the boat, i.e., wind and waves. Most modern anchors are very efficient. It’s their holding power, not necessarily their weight, that holds the boat in place although weight usually helps. Some anchors are now being made of aluminum and rely almost entirely on their shape for their function.

The next step is to find out what type and size anchor your boat’s manufacturer suggests for you particular boat. Use their recommendations together with your own research before you buy.

Choosing an Anchor for Your Catamaran

Make a decision based on what works on your boat, what type of sailing you will do, what type of bottom you are likely to encounter, etc. (Read this article: Independent Anchor Performance Testing ). Boat weight and windage are but two factors to take into account when making a decision. Different weather conditions and the surface on which you will anchor, e.g., sand, mud, grass, rock and coral (not recommended for anchoring) may require different anchors and you may need more than one anchor to be used simultaneously in certain instances. Also find out what is recommended for the size of shackles, as well as length and size of chain and rode for your anchor and boat.

Ideally, an anchor should have the following characteristics:

• It should set quickly and reset when the wind/current shifts.
• It should have good holding in all bottom types: sand, mud, rocks, coral, and grass.
• It should be strong and of good quality—able to handle high loads on any part of its structure.
• Good holding power, even at short scope.
• Easy to release from the bottom without damage.

Stephen and I are firm believers in “the bigger, the better” when it comes to sizing anchors for our boat for bluewater cruising. Bigger anchors have more strength to resist breaking, occupy more of a surface area in the seabed to resist pullout, and have more weight to penetrate deeper. Physical size, rather than weight, is actually a better indicator of the anchor’s holding ability. (Some anchors that only weigh 5lbs. can hold in excess of 1,000 pounds!). We have doubled the size recommended for our boats and, believe me, we have needed it a time or two in stormy weather in a less than perfect anchorage and once when our engine failed on a lee shore.

The new generation New Zealand Rocna anchor is designed to set quickly and create high holding power. It has a roll bar at the back which is supposed to ensure the anchor does not land on its back when trying to set it. The roll-bar and skids at the top corners of the fluke ensure the point is always ready to dig in after the anchor hits the bottom. There is no hinge or other moving parts to jam or foul. And if the boat swings and changes the angle of the anchor rode, the Rocna is continually self-resetting. It is rather expensive, but by all accounts, a great anchor. We have had only good experiences with the Rocna on several other boats in various weather conditions and different types of bottoms and we are suitably impressed.

We also have secondary anchors like a Bruce (Claw) and Danforth (Fluke), all for different applications and, of course, for hurricane anchoring if needed. The main selling point of the Bruce (Claw) is that it is an excellent all-round anchor. It will hold well in most bottoms, although it performs less well in sand and mud. It also has a low holding power to weight ratio, meaning you’ll likely require a heavier Claw anchor than you would require for other styles of anchor. It is heavy and awkward and we use it as a last resort.

The Danforth (Fluke) anchor performs quite well in mud and sand. The downside is that outside of mud and sand, the Fluke has very limited holding ability in bottoms such as kelp, rock, coral, etc. When being set in mud or sand, these anchors do have a reputation for occasionally dragging along the bottom.

Conclusion: When dealing with something that could possibly save your life, don’t pinch pennies. Buy the best anchor that you can afford and when choosing an anchor, make sure to be on the lookout for spotty galvanizing, poor welds, and other noticeable inconsistencies in the metal. It goes without saying that buying a cheap or inferior anchor will usually only turn to misfortune. Remember…you often get what you pay for so be sure not to buy a cheaper copy. In my opinion, a good anchor is a cheap insurance policy and Stephen and I practice what we preach by investing time and money in our anchoring system.

Read our article: How to anchor a catamaran .

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1 thought on “Anchors For Catamarans”

Hi guys, Quick question – Which anchor did you go for on your Lagoon 450S? We’ve the 450S as well and are thinking about either a Rocna 40kg or 50kg. Many thanks, Daniel

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Catamaran Sailing Techniques Part 3: Anchoring and picking up a mooring – with Nigel Irens

• Matthew Sheahan
• February 17, 2016

Catamarans can be a bit frisky at anchor, but multihull expert Nigel Irens has some tips to make anchoring and mooring safer and more comfortable

The general game plan in anchoring on a cat under power is much as it is on a monohull – approach the spot where you intend to drop the anchor from dead downwind and signal to the foredeck when you are ready for it to be dropped.

The only snag is the catamaran’s stubborn desire not to remain in a stable condition head-to-wind in anything but the lightest breeze. It’s just as well, then, that the twin engines allow you to hold station and heading reasonably well, provided you’re firm with the controls and act with as much deliberation as you can muster.

It obviously helps if you can avoid hanging around too long in limbo with no way on – which invites that headwind to take control of the boat.

Keeping your position

Once the anchor is on the bottom you can drop back downwind – once again playing the engine controls to help the boat stay head to wind until the point where you have snubbed the anchor in.

If you’re operating in waters that are free from tidal movement or other currents you might expect to lie head to wind like the other boats around you, but there’s another snag that needs to be addressed before you can feel relaxed about this. The problem is related to the above-mentioned reluctance of a catamaran to lie head to wind, although with any luck your boat will already be fitted with a solution to this one.

What happens is that the boat starts to range around the anchor. This process begins as the bow falls off to one side or the other and the boat starts to ‘sail’ forward – say at about 45° to the wind axis. Eventually the bow will be forced to come head to wind because the direction of travel can only be a radius around the anchor.

Eventually the boat slows down and comes to wind, but because the anchor rode is still pulling the bow to one side the boat tacks through the eye of the wind and sets off with renewed vigour on the other tack.

It’s not hard to imagine that this cyclic pattern can repeat itself until the boat is careering about, taking up much too much space in the anchorage and generally winding up the neighbours. Viewed from above the physics of this phenomenon is not unlike that which makes a flag flap.

The bridle takes the load and the anchor chain to the boat is now slack. Note recovery line

To solve the problem the anchor rode needs to be attached to a bridle rather than directly to the bow roller. This involves attaching one end of a rope to each bow and the middle of the resulting span to the anchor chain or warp. As the bow of the boat falls off the wind axis the tendency is for the rope on the lee bow to take the load as the windward one goes slack.

This asymmetric load will be far more effective in putting the boat back head to wind before it has had time to build up any speed than a single rode to the centreline.

Anchor sequence

You can experiment with the length of the bridle, but something approaching an equilateral triangle (as viewed from above) seems to work pretty well, although the boat you’re sailing probably has the bridle already set up correctly and ready to use.

Clear hand signals are also required when raising the anchor to help the helmsman reduce load on the windlass

So the sequence of events in anchoring is roughly as follows:

• Pick the best looking spot to anchor
• Approach the chosen spot from downwind and give the crew the go-ahead to drop the anchor when you’re in position.
• Move astern downwind as the crew pay out the anchor rode and snub the anchor in.
• Set the bridle and slacken the anchor rode until the load is taken up by the bridle.
• If the boat won’t settle at her anchor for some reason – fickle winds, some unwanted counter current or whatever – you may have to think about laying a second anchor.

This is best done from the tender and although the learning curve might be quite steep, a bit of trial and error could leave you better placed for the day you need to ride out heavy weather from a known direction.

The second anchor should be set so that the angle between the first and second anchor chain is between 90° and 60°.

Picking up a mooring

If you are picking up a mooring rather than anchoring, visibility – or the lack of it – might be a problem, so the old tactic of getting a crewmember to hold the boathook aloft from the forward end of the boat and point it at the buoy is as good a way as any of telling the helmsman what’s happening.

If the buoy you’re aiming to pick up has no rope or chain leader attached to it then it might be almost impossible to get a temporary line through the ring without launching the tender – especially if your freeboard is high. If so there’s a cheeky work-around involving offering the boat up to the mooring stern first.

Using a boat hook to help guide the helmsman to the buoy that you want to pick up. Don’t worry about looking like a whaler about to launch a harpoon!

For a start the helmsman should have both a good view of the buoy and the ability to communicate with the line handler. Once a line has been attached, the helmsman should be able to spin the boat round easily enough so the line handler can to bring a slack mooring line round to the bow as the boat turns – but not so slack as to risk it getting sucked in by the propeller, which could be embarrassing at best and dangerous at worst.

Mooring sequence

A recap on the procedure would read something like this:

• Find the buoy you have been allotted – or choose a suitable one if you haven’t had any specific instructions.
• Bring the boat up to it from downwind and get the crew to bring up the leader with the boat hook, get a temporary line through the eye and secure the free end on a cleat or any other strong point that comes to hand.
• That’s it – you’re safe! It just remains to set the bridle as above and you’re done.

Anchoring or picking up a mooring under sail is more difficult than would be the case in a monohull. This results from that old problem about catamarans being more skittish than monohulls, having more windage above the water and less hull below it.

That is not to say that it couldn’t be attempted when an anchorage is spacious enough and not overcrowded. On the contrary, taking on such challenges in the right conditions helps build confidence and develop the skills necessary to anticipate the way the boat will behave in different circumstances.

Ultimately much of the pleasure that sailing has to offer involves mastering new skills and developing prowess in handing whatever boat you happen to be sailing.

Inevitably doing so involves taking on challenges that will get your adrenalin popping from time to time – as it is meant to do. It was ever thus!

Do’s and don’ts

• DO spend some time practising holding your catamaran head to wind under power.
• DO snub the anchor in properly so that you can feel the boat being tugged forward when you put the engine back in neutral.
• DO make sure your crew are properly briefed about their role in making anchoring and mooring a pleasure.
• DON’T forget to make sure they know they should delay paying out more chain after the anchor has hit the bottom until the boat is visibly moving astern. This avoids the risk of chain piling up on top of the anchor and perhaps fouling the flukes.
• DON’T drop an anchor if there really isn’t enough space. A catamaran needs more space than other boats because it is big and often a bit frisky at anchor.
• DON’T give up too easily – you have an ace card to play in that you draw less than the average monohull so can probably find some clear water that’s no use to them! In tidal waters you can even dry out and have a very peaceful night.

Our eight-part Catamaran Sailing Skills series by Nigel Irens, in association with Pantaenius , is essential reading for anyone considering a catamaran after being more familiar with handling a monohull.

Part 4: Cruising upwind under sail – potentially a cat’s weakest point of sail

Series author: Nigel Irens

One name stands out when you think of multihull design: the British designer Nigel Irens.

His career began when he studied Boatyard Management at what is now Solent University before opening a sailing school in Bristol and later moving to a multihull yard. He and a friend, Mark Pridie, won their class in the 1978 Round Britain race in a salvaged Dick Newick-designed 31-footer. Later, in 1985, he won the Round Britain Race with Tony Bullimore with whom he was jointly awarded Yachtsman of the Year.

His first major design success came in 1984 when his 80ft LOA catamaran Formule Tag set a new 24-hour run, clocking 518 miles. During the 1990s it was his designs that were dominant on the racecourse: Mike Birch’s Fujicolour , Philippe Poupon’s Fleury Michon VIII , Tony Bullimore’s Apricot . Most famous of all was Ellen MacArthur’s 75ft trimaran B&Q, which beat the solo round the world record in 2005.

His designs have included cruising and racing boats, powerboats and monohulls, but it is multis he is best known for.

See the full series here

A special thanks to The Moorings, which supplied a 4800 cat out of their base in Tortola, BVI. www.moorings.com

How to Anchor and Set Up an Anchor Bridle

In our first episode of the Inspire and Learn Series, catamaran expert Joe Fox talks us through the best technique for a safe and secure anchor, as well as how to set up an anchor bridle.

6 Components of Anchoring

Communication.

• Maneuvering

3 Step Prep

• Remote Access – Pull this out of the hatch and place on the deck
• No Obstructions – Ensure the bridle or any other gear is out of the way of the chain
• Prime the Anchor – Let a tiny bit of chain out and help the anchor over the edge

Amount of Chain

Light wind – 3-4 x Depth

Strong wind (20+knots) – 5-7 x depth

Counting chain length is simply understanding the speed in which the chain drops. (Metres per second).

Person on the bow- looking out for obstacles and lowering the anchor

Person at the helm – maneuvering the vessel

It is important to discuss strategy prior so both parties understand what the plan is.

* Single handed anchoring is possible with an optional chain counter at the helm station

Anchoring Steps

• Check the chart – make sure you understand the contours of the bay you’re entering and find the flat areas. (Keep a look out for shallow unchartered areas).
• Decide on a location/ depth – put a waypoint on the chart
• Stop the boat
• Ensure head to wind
• Drop anchor
• Move backwards – Only once the anchor has hit the bottom. This lays out the chain and ensures it does not tangle.

How to know the anchor is on the bottom

• Depth – (understanding the speed of the anchor windlass).

When the anchor is hanging the chain is tight across the deck, when it has touched the bottom this becomes loose because there isn’t weight at the end.

How to know the anchor is set and secure

Put the vessel in reverse with a bit of power, putting pressure on the anchor and chain and if it is not set, the anchor will drag. If it is set correctly;

• The chain will go tight.
• There will be a shallow angle on it.
• After easing off the engines the boat will bounce back.
• Take a transit on the land using fixed markers. If the alignment changes it means the boat may be drifting.

Bridle Set Up

The bridle creates an artificial bow, spreading the weight between the hulls and moves the centre of effort forward to reduce the swinging while on the anchor.

• Hang lines over the bow
• Put the hook over a complete chain link and ensure the pin has snapped back into place
• Drop chain 5 or 6 metres
• Ensure it is at a nice tight triangular angle
• Chain hangs vertically, looping to the bridle and reducing the pressure on the windlass.

Lifting the Anchor

• Ensure engine is running – this activates the winch
• Retrieve the bridle – bring chain up until bridle is on the bow
• Ensure the bridle is clear of the chain
• Start lifting the rest of the chain
• Start edging the boat forward – not to much as you will go over the top of the chain.
• Communicate – come up with your own signals so the person on the bow can tell the captain where the chain is so that you are not putting stress on the windlass.

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Sailing technique on a catamaran: anchoring and mooring

Catamarans can be somewhat playful at anchor, but renowned katting specialist Nigel Ayrens has a couple of tricks that will make anchoring and mooring safer - and more comfortable as well. The advantages of cruising catamarans undoubtedly include the fact that the shallow draft gives them the opportunity to anchor in many hidden and attractive, but not deep places, often inaccessible [...]

Catamarans can be somewhat frisky at anchor, but from a renowned catamaran  Nigel Ayrens  There are a couple of tricks that will make anchoring and mooring safer - and more comfortable too.

To the pluses of cruise catamarans  undoubtedly it must be attributed that the shallow draft gives them the opportunity to anchor in many hidden and attractive, but not deep places, often inaccessible to yachts with large keels. 

General plan of anchoring on the boat under the engine  much the same as on a monohall - approaching the place where you plan to drop anchor, setting to leventic and signal to the bow when you are ready to kick back the chain.

The only snag is the stubborn reluctance of the catamaran to maintain stability in the headwind in any wind, except perhaps a light breeze. But it is also true that  two motors allow good position and course hold giving you as much time as you need to take a good look around. However, try not to hover for a long time - otherwise the wind may take this as an "invitation" to take control of the boat. 

Sailing technique on a catamaran: under-engine control

Holding position

Once the anchor is at the bottom , you can step back using the throttle controls to stay to the left until you are at a point where the chain is sufficiently tucked up. 

If you are in the waters,  where there are no tidal or other currents then you can plan to lie on the leventic like other boats around. But the catch is in the already mentioned unwillingness of the kata to hold this way. However, with some luck, your catamaran will have a solution for this too. 

Here's what's going on  when the kat starts to wiggle around the anchor ... It all starts with the bow falling off to one side or the other and the boat is moving straight - say, at an angle of 45 ° to the wind axis. Gradually, the boat will be forced to bring its bow to the wind, because its direction of movement is limited by the radius around the anchor.

It slows down and is brought to the wind, but since the anchor pulls it by the bow in one direction, the boat rolls over the leventik point and everything starts anew. It's not hard to imagine that this scenario will repeat itself all the time, taking up too much parking space and unnerving neighbors. The physics of this phenomenon is not much different from the wobble of a flag in the wind. 

To solve this problem , the chain and the anchor cable should be tied to the bridle or mustache rather than directly to the reel on the bow. This means that the ends must be attached to the nose of each float and the middle of the resulting bridge to the anchor chain or bracket. And when the bow of the kata falls off the axis of the wind, the cable from the leeward side will take on the load if the windward one weakens. 

Such  asymmetric load   will be much more effective  in bringing the catamaran to leventic before it can pick up any speed.

Anchoring sequence

You can  experiment with bridle length but something that looks like an equilateral triangle (as seen from above) seems to work best. However, the boat you are sailing probably already has a bridle adjusted and ready to use.

Thus, the sequence of actions for anchoring is approximately as follows:

• Choose the best anchoring site possible.
• Approach the chosen location from the leeward side and let the crew prepare to drop the anchor at your command.
• Move astern on leeward side while the anchor man releases the chain.
• Install the bridle and loosen the anchor chain until the load transfers to the bridle. 
• If the kat for some reason does not anchor securely - changeable winds, unwanted currents, or anything else - consider giving up a second anchor. 

The best way to do this is through a tender.  While the learning curve can be quite steep, a little trial and error will help you better prepare for the day when you have to wait out rough weather from a known direction.

Second anchor  must be given in such a way that the angle between the first and second anchor chain is between 90 ° and 60 °.

We select mooring

If you get up on mooring more often than anchored, then visibility - or rather the lack of it - can be a problem. So the old tactic tells us to send a crew member to the bow to hold the gaff and point them to the buoy — a much better way than just telling the helmsman what's going on. 

If the buoy you wish to attach to has no rope or chain, it will be nearly impossible to pass the temporary end through the ring without launching the tender, especially if you have a high freeboard. If so, you can moor the boat astern first.

To begin with, the helmsman needs both a good view of the buoy and the ability to communicate with the mooring sailor.  Once the end is attached, the helmsman must be able to maneuver the boat sufficiently so that the mooring sailor can drag the weakened end of the mooring onto the bow - but not so loose that there is a risk of winding it around the propeller. Which can be embarrassing at best and dangerous at worst. 

Mooring sequence

A summary of the procedure will look something like this:

• Find a buoy that was allocated to you, or select the appropriate one if you did not have any specific instructions.
• Walk up to him  on the leeward side and instruct a team member to hook the end with a hook, wind the non-main end and secure the free part to the duck or any other strong point that is at hand.  
• That's all - you are safe!  It remains to install the bridle as above and you're done.

Anchoring or mooring  a catamaran is more difficult than a monohull yacht. This is due to the good old problem: catamarans are "more resilient" than yachts, are more susceptible to wind drift and have less hulls underwater.

This does not mean that training opportunities should be ignored when the anchorage is spacious enough and not crowded. Against,  practicing these skills in the right conditions helps build confidence and develop skills necessary to control the khat in various circumstances (for example, the Interparus school conducts training in La Rochelle, where the necessary infrastructure has been created to work out safe anchoring and mooring). 

The Interparus Yachting team is often called a catamaran team, because we actively work with double-hull yachts for sale, training and rental. On our catamaran courses, we try to convey the best that we have gained through our own experience over the years.

Ultimately,  most of the fun of sailing  involves mastering new skills and developing proficiency in handling whatever boat you are on.

Sailing technique on a catamaran: the transition from mono to multi

What should and shouldn't be done

• Spend some  time for training holding the bow of the catamaran against the wind under the engines.
• Anchor correctly so that you can feel the boat jerk forward slightly as you return the engine to neutral.
• Make sure your crew is properly instructed in anchoring and mooring.
• Remember to remind the anchor sailor to pause the chain recoil when the anchor is on the bottom until the boat has pulled back. This will keep the chain from getting tangled at the anchor. 
• Do not drop anchor ,  if space is really small.  The catamaran needs more space than other boats as it is large and often quite playful at anchor.
• Don't give up too easily  - after all, you have a stronger trump card than average monohull yachts. And therefore, you may find some pure water that is not available to them! In tidal waters, you can even go to the bottom and have a very peaceful night.

Interparus is one of the few that provides training on sailing catamarans at its yacht school. Our experienced instructors have many years of experience in driving, sailing, and teaching sailing techniques on catamarans. Call now  +33 644 14 21 68 (Sasha Goron ),  and sign up for a catamaran driving course from Interparus Yachting.

News and articles

Japanese company Lexus has unveiled plans and renderings of its first large luxury yacht, the LY 650.

Fountaine Pajot has dominated the world catamaran construction arena for a very long time, and the entire yachting world is always in awe of the release of new shipyard models, knowing that their latest innovations will determine the trends in the further construction of the entire cruise catamarans industry.

The METSTRADE 2022 exhibition will open its doors very soon, where many new boats will be presented. Among them - Baltic 80 Custom

Yachting Monthly

• Digital edition

Multihull anchoring and mooring buoys

• Will Bruton
• July 24, 2018

Handling a catamaran in manoeuvres can sometimes be 
easier than with a monohull, but there are a few surprising differences. Paul Hayes showed Will Bruton how to do it

Modern catamarans have improved performance and make comfortable cruisers. Credit: Andrew Sydenham

While the divide between multihull and monohull is still very much in evidence, what isn’t in dispute is just how close to the on-shore action a catamaran can get you.

They also offer unparalleled amounts of space and comfort on board, and new catamarans have surprisingly impressive performance.

While they remain immensely popular for a yacht charter holiday abroad, multihulls are also becoming a viable option for cruising in the UK.

With a catamaran, you’ll be able to get much close in, ready for a short swim ashore. Credit: Alamy Stock Photo

Mainly due to their shape and size, catamarans behave differently at anchor and on a mooring buoy. The secret is to play to the boat’s strengths rather than treating her like a monohull.

The high topsides dictate that reaching over the side to pick up a buoy is less of an option but the immense beam, with a separate engine in each hull, gives the ability to turn the boat without needing forward motion through the water.

With a few simple techniques, you’ll find a catamaran is just as easy, if not easier to anchor and pick up a mooring, with far more options to choose from.

Into shallow water

Being able to creep into shallow water is a gamechanger, but before going right up to the beach, make a plan. Check your chart as you would normally, determining in your head as to how far you are going in and what limits you are setting yourself.

If your multihull has daggerboards, make retracting them early part of your routine so that you are not worrying about it at the last minute, or worse.

Swinging around

High sided, lightweight and with little resistance in the water, a catamaran will swing around completely differently to a monohull, both at anchor and on a mooring buoy.

A performance catamaran moored between two heavy set cruising monohulls is less than ideal.

If the wind is blowing in a consistent direction and at a consistent speed when you arrive, meaning every boat in the anchorage is pointing in the same direction, this can also lead to a feeling that it will stay this way.

Continues below…

Confident catamaran handling: how to master multihulls

Gavin Le Sueur shows Yachting Monthly how to step on board a catamaran for the first time with confidence

How to plan the perfect charter holiday

Whether you own your own boat or not, chartering offers the opportunity to sail somewhere different without complication. Will Bruton…

Get ready for your yacht charter holiday

Getting to grips with a few skills and checking your boat carefully will give you a more enjoyable yacht charter…

A slight change in wind direction will affect the catamaran almost instantly. So, if in doubt, leave a bit more room between you and those on either side of you.

One major advantage of mooring in close is that less chain means less swinging room.

When you are anchored, the catamaran will pivot from a bridle rigged between the two hulls, which also acts as a snubber. When moored, two lines, one from each hull to the buoy, ensures even distribution of load, a smooth swing on the buoy and an extra degree of security.

Multihull skills: Picking up a mooring

For the purposes of this article, we will focus on a technique that works well when you are shorthanded.

It might seem counterintuitive to reverse towards a mooring when you want to beat the front of the boat but done correctly, this is by far the easiest technique.

In a high-sided catamaran, the stern bathing platform is likely to be the only place from which it is easy to reach the pickup line in the water.

Walk the long line to the bow once you’ve picked up the mooring. Credit: Andrew Sydenham

First, set up a long line from one hull’s forward cleat, getting your crewmember to pay out the line out as they walk aft. Reverse towards the buoy but remain downwind of it, aiming to put the pickup line just off the aft quarter of the hull closest to the helm station.

The crew should easily be able to pass the line through the eye on the buoy.

The helm can make small adjustments on the engines to keep the boat close to the buoy while the crew walks forward and takes in on the mooring line. Once the buoy is close to, secure the line.

For short stays, there’s no need to add a second line but if you’re staying for any length of time, a line from the other bow will need to be rove through the buoy to square the boat up.

Anchoring a multihull

As with anchoring a monohull, positive communication with hand signals between crew and helm from start to finish of the process will make things a lot easier.

On most catamarans, the anchor falls from the centre of the boat while being paid out and not from the bow, meaning that, even with a raised helm position, it can still be hard for the helm to see where the chain is going.

Before dropping the anchor, have a look into the anchor locker and check none of the anchor bridle is going to get caught as you drop. This will mean holding it clear as you lay the chain out.

Pay out the chain but hold the bridle clear. Credit: Andrew Sydenham

If anchoring in very shallow water, bear in mind that the bridle will add another 5m or more of scope at the end.

Once you have set the anchor and checked that it is well dug in by applying a little throttle astern, it’s time to rig the bridle. The bridle brings the pivot point forward between the two hulls, as well as spreading the load and reducing the snatching on the anchor.

Hook the bridle to the chain, then let out at least 5m of chain. Credit: Andrew Sydenham

Take the bridle out of its stowage position and secure the shackle or hook through a link in the chain. Then, let out chain while feeding out the bridle with your other hand.

The bridle will take the strain and end up a few metres forward of the bow, while the chain hangs down in a loop.

Top tips from Gavin Lesueur, author of Multihull Sailing

• When anchoring with a bridle, always let a good loop of chain fall below where your bridle takes the strain. This ‘lazy loop’ acts as a catenary, hanging into the water, taking the wind and wave shock out of the anchor line.
• Always carry a kedge anchor. As with a monohull, a strong lightweight kedge anchor can be invaluable to help pull you off an obstacle if you do run aground. It can also be used to reduce the swing range in a tight anchorage.
•  Multihulls with ‘prodders’ (bowsprits for a spinnaker) require extra care when rigging a bridle. Practise setting up the bridle before you need to use it in a tight anchorage, as the arms sometimes need to be longer than usual
• Bridle length. Your bridle should always be at least the width of the beam of your multihull. Keep in mind that a bridle is also a universal way of centralising load – for example, it can also be used for a drogue at the stern of the yacht in foul weather.

Learn How to Sail a Catamaran: Beginner’s Guide to Mastering Catamaran Sailing

Alex Morgan

Sailing a catamaran offers a unique and thrilling experience on the water. Whether you are a seasoned sailor or a beginner, understanding the essentials of catamaran sailing is vital to have a safe and enjoyable journey. In this guide, we will explore the different aspects of sailing a catamaran, from its advantages to the essential equipment, basic sailing techniques, advanced maneuvers, and navigation and safety tips. Let’s dive in and discover how to sail a catamaran like a pro.

Introduction to Catamarans: Catamarans are multi-hulled vessels that have gained popularity in the sailing world for their unique design and capabilities. Unlike traditional single-hulled sailboats, catamarans feature two parallel hulls connected by a deck, offering stability and spaciousness. The design of a catamaran allows for enhanced performance, comfort, and versatility.

Why Choose a Catamaran for Sailing? Before delving into the specifics of sailing a catamaran, it is important to understand the advantages that these vessels offer:

1. Stability on the Water: Catamarans are known for their exceptional stability, which is attributed to their wide and buoyant hulls. This stability makes them less prone to heeling or tipping over, providing a smoother sailing experience.

2. Spaciousness and Comfort: With their wide beam, catamarans offer ample space and room for movement both above and below deck. The spacious interiors often feature multiple cabins, a large saloon, and a well-equipped galley, providing comfort and convenience during extended trips.

3. Shallow Draft: Catamarans have a shallow draft, meaning they require less depth of water to operate. This allows them to explore shallower areas and navigate closer to shorelines, expanding the cruising grounds and opening up new destinations.

4. Speed and Performance: Due to their design and reduced drag, catamarans are renowned for their speed and performance. They have the ability to reach higher speeds, making them perfect for those seeking an exhilarating sailing experience.

By understanding the advantages of sailing a catamaran, you can appreciate why these vessels are a popular choice amongst sailors. In the following sections, we will delve into the essential equipment needed for catamaran sailing, basic and advanced sailing techniques, as well as navigation and safety tips to ensure a successful and enjoyable catamaran sailing experience.

Key takeaway:

• Stability on the water: Catamarans offer excellent stability, making them a preferred choice for sailing. The two hulls provide a wider base, reducing the risk of capsizing and providing a smooth sailing experience.
• Spaciousness and comfort: Catamarans offer more living space compared to monohulls, providing comfort for passengers and crew. The wide beam allows for spacious cabins, lounging areas, and enhanced privacy.
• Speed and performance: Catamarans are known for their speed and performance. With two hulls and reduced drag, catamarans can achieve higher speeds and offer thrilling sailing experiences to enthusiasts.

Why Choose a Catamaran for Sailing?

When it comes to sailing, why should you choose a catamaran? Well, for starters, they offer unparalleled stability on the water. Not to mention, their spaciousness and comfort make for an enjoyable and relaxing sailing experience. Catamarans have a shallow draft , allowing you to explore shallower waters that other boats may not be able to reach. And let’s not forget about their impressive speed and performance . So, if you’re looking for a thrilling and comfortable sailing adventure, a catamaran is the way to go!

Stability on the Water

Stability on the Water is crucial when sailing a catamaran. Catamarans have twin hulls that create a wide and stable platform, distributing weight evenly and reducing the risk of capsizing. The catamaran’s wide beam also enhances stability, resisting tipping.

Catamarans offer increased comfort and safety on the water. Passengers can move freely without losing balance or feeling seasick. The stable platform also allows for activities like sunbathing or dining, making for a pleasant experience.

Catamarans have better handling and maneuverability , thanks to their stability. They maintain a level sailing position even in rough waters, providing a smoother and more comfortable ride. This stability also enables higher speeds, perfect for those seeking excitement .

It is important to note that external factors like wind and waves can still affect catamarans’ stability. Proper sailing techniques and safety protocols are essential for optimal stability.

Spaciousness and Comfort

Catamarans offer ample space and comfort, making them ideal for sailing enthusiasts. The large living areas and wide hulls provide plenty of room to relax and enjoy the water. The trampoline between the hulls is a comfortable spot for sunbathing and taking in the views.

The spaciousness of catamarans translates to comfortable interiors with multiple cabins, bathrooms, and a well-equipped galley. This allows for privacy and convenience, perfect for extended sailing trips or larger groups.

With their dual-hull design, catamarans offer excellent stability on the water, reducing the likelihood of seasickness and providing a smooth sailing experience.

The wide beam of a catamaran minimizes motion, creating a stable and enjoyable ride. This is beneficial for those sensitive to motion or seeking a relaxed sailing experience.

Shallow Draft

The shallow draft of a catamaran allows it to navigate in shallow waters, which other types of boats cannot access. This advantage is especially helpful when exploring coastal areas, lagoons, or cruising around sandbanks or coral reefs.

The catamaran achieves a shallow draft by designing the hulls with reduced depth. This allows the boat to float in shallower waters, reducing the risk of running aground and enabling access to secluded anchorages and coves. In addition, the shallow draft enhances maneuverability in tight spaces, such as narrow channels or smaller marinas.

Compared to deeper-draft monohull sailboats, catamarans with a shallow draft also have less vulnerability to underwater obstacles like rocks or coral, making sailing safer. It’s important to note that each catamaran model will have its own specific shallow draft measurement provided by the manufacturer.

When planning sailing routes and exploring areas with limited depth, considering the shallow draft of a catamaran is crucial for a safe and enjoyable experience on the water.

Speed and Performance

A catamaran is well-known for its exceptional speed and performance on the water, which makes it a preferred choice for sailing enthusiasts.

Due to its ingenious dual-hull design, a catamaran experiences minimal drag in the water, resulting in the ability to reach higher speeds compared to monohull sailboats.

The wide beam of a catamaran not only enhances its stability but also reduces the risk of capsizing, enabling faster sailing in stronger winds.

With its lightweight structure and sleek shape, a catamaran effortlessly glides through the water, maximizing its speed potential.

Catamarans consistently maintain higher speeds, making them an ideal option for lengthy sailing trips or competitive racing.

Catamarans have a reduced wetted surface area, which minimizes resistance from the water and leads to improved efficiency and performance.

Another advantage of a catamaran is its shallow draft , allowing it to navigate shallower waters with ease, thereby increasing its versatility and suitability for coastal exploration.

Catamarans boast a spacious deck layout , providing ample room for passengers to move around comfortably and accommodating various amenities and recreational activities.

Catamarans offer a smooth and stable sailing experience, even in choppy or rough sea conditions, ensuring optimal comfort for all those on board.

Essential Equipment for Sailing a Catamaran

When it comes to sailing a catamaran, having the right equipment is crucial. In this section, we’ll dive into the essential gear you’ll need for a smooth sailing experience. From the sails and rigging that harness the wind’s power to the rudder and steering controls that guide your vessel, we’ll cover it all. We’ll also explore the importance of anchoring and docking techniques , as well as the safety gear that ensures you’re prepared for any unexpected challenges on the open water. Get ready to gear up and set sail!

Sails and Rigging

When it comes to sailing a catamaran, understanding the importance of sails and rigging is crucial. The sails power the boat and enable it to move through the water, while the rigging supports and controls the sails. Here are some key points to consider about sails and rigging:

1. Sail design: The design of the sails, including their size, shape, and material, plays a significant role in the catamaran’s performance. High-performance racing catamarans often have larger, more efficient sails that generate greater speed.

2. Rigging setup: The rigging on a catamaran consists of the mast, shrouds, and various lines and controls. Proper tensioning and adjustment of the rigging ensures correct sail positioning and overall balance of the boat.

3. Sail controls: Catamarans have several controls for adjusting the sails while sailing. These include the mainsheet, which controls the main sail, and the jib sheets, which control the jib sail. Learning how to trim and adjust these controls optimizes performance.

4. Sail handling: Proper handling of the sails is crucial for smooth sailing. This involves hoisting, lowering, and reefing the sails in strong winds. Understanding safe and efficient sail handling techniques is essential.

Now, let me share a true story to illustrate the importance of sails and rigging. During a sailing race, a catamaran led the fleet due to its well-designed sails and properly rigged mast. The crew efficiently adjusted the sails using the various controls, allowing the catamaran to effectively harness the wind’s power. As a result, they maintained optimal speed and maneuverability, securing victory in the race. This highlights how understanding and utilizing sails and rigging can significantly impact sailing performance.

Rudder and Steering

When it comes to catamaran sailing, the rudder and steering are crucial for maneuvering the vessel efficiently. Here are some key points to consider:

• The rudder is an important part of a catamaran’s steering system. It is usually located at the rear of the boat and controls the vessel’s direction.
• Catamarans typically have two rudders , one on each hull, which provide improved stability and control.
• Steering a catamaran involves using the tiller or wheel, depending on the type of steering system. The helmsman turns the tiller or wheel to adjust the direction, which in turn moves the rudders .
• When sailing upwind, it is necessary to steer slightly higher into the wind to maintain speed and prevent excessive leeway.
• Downwind sailing requires adjusting the course to downwind angles, allowing the wind to fill the sails from behind.
• Proper rudder and steering adjustments are essential for maintaining balance and preventing excessive heel or capsizing.
• During tacking and jibing, it is important to have the rudder in the correct position to maneuver the catamaran smoothly without losing speed or control.
• Regular inspection and maintenance of the rudder and steering system are crucial to ensure functionality and prevent any issues while sailing.

By understanding and utilizing the rudder and steering effectively, catamaran sailors can confidently navigate the waters and enjoy a safe and enjoyable sailing experience.

Anchoring and Docking

When anchoring and docking a catamaran, it is important to consider the following factors:

1. Choose a suitable anchor for the size and weight of your catamaran , taking into account the seabed type and prevailing weather conditions. The plow anchor is widely favored due to its strong holding power and versatility.

2. Lower the anchor gently and gradually, allowing it to settle properly on the seabed. Pay attention to the water depth and use a scope ratio of 7:1 (7 feet of anchor rode for every foot of water depth) to ensure sufficient holding power.

3. Secure the catamaran by attaching the anchor rode to a cleat or designated anchor attachment point on the boat. Make sure to apply proper tension to prevent excessive movement.

4. When approaching the dock, do so slowly and cautiously, taking into consideration factors such as wind , current , and nearby boats. Use your engines and rudders to maneuver smoothly.

5. Employ appropriate docking techniques based on the type and design of the dock. Consider utilizing spring lines or fenders to assist in securing the boat and protecting the hulls.

Pro-tip: Regularly practicing anchoring and docking maneuvers will improve your skills and give you confidence in handling your catamaran under different conditions. Proper technique and experience will greatly enhance your overall sailing experience.

Safety Gear

When sailing a catamaran, having the right safety gear is crucial. Here are some essential safety gear items for catamaran sailors:

• Life Jackets: Wear properly fitting and Coast Guard-approved life jackets for everyone onboard.
• Throwable Devices: Keep easily accessible throwable devices, such as life rings or cushions, for emergencies.
• EPIRB: An Emergency Position Indicating Radio Beacon (EPIRB) helps rescuers locate you in emergencies.
• Flares: Carry a set of marine flares to signal for help in low visibility or emergency situations. Check the expiration dates regularly.
• Fire Extinguishers: Have at least one marine-grade fire extinguisher onboard to quickly put out potential fires.
• First Aid Kit: Keep a well-stocked first aid kit onboard to treat minor injuries or provide initial care before professional help arrives.
• Navigation Lights: Ensure your catamaran has properly functioning navigation lights for visibility during low-light conditions.
• VHF Radio: A VHF marine radio is essential for communication with other vessels and contacting emergency services if needed.
• Anchor and Rode: Carry a reliable anchor and sufficient anchor rode for safe anchoring when needed.

Remember to familiarize yourself with the operation and use of all safety gear onboard your catamaran to be prepared for unexpected situations.

Basic Sailing Techniques for Catamarans

Mastering the art of sailing a catamaran requires a solid foundation in basic sailing techniques. In this section, we’ll dive into the essential skills you need to navigate the waters with confidence. From understanding points of sail to mastering tacking and jibing , we’ll cover the maneuvers that will enhance your catamaran sailing prowess. We’ll explore the crucial aspects of sail trim and balance , as well as maneuvering in different wind conditions . Get ready to set sail and embrace the thrill of catamaran adventures!

Understanding Points of Sail

Understanding points of sail is crucial for successful catamaran sailing. It refers to the different angles at which a sailboat can sail relative to the wind. Different techniques and adjustments are required for optimal performance based on the point of sail. The main points of sail are:

1. No Sail: When the boat is not under sail and the sails are completely down.

2. Close Hauled: Sailing as close to the wind direction as possible, typically at an angle of 45 degrees or less.

3. Beam Reach: Sailing perpendicular to the wind direction, with the wind coming directly from either side of the boat.

4. Broad Reach: Sailing with the wind coming from behind the boat at an angle.

5. Running: Sailing directly downwind, with the wind coming from directly behind the boat.

To effectively sail a catamaran, it is crucial to understand how to adjust and trim the sails, as well as steer the boat based on the current point of sail. Practice and experience will enhance your proficiency in handling different wind conditions and making the necessary adjustments for optimal speed and performance.

Remember, prioritize safety while sailing. Familiarize yourself with navigation rules, weather patterns, and emergency preparedness to ensure a smooth and enjoyable catamaran sailing experience.

Tacking and Jibing

Tacking and jibing are vital sailing techniques for catamarans . These maneuvers allow you to change direction and navigate effectively. Below are the step-by-step instructions for tacking and jibing:

1. Tacking:

– Direct the catamaran towards the wind until the sails start to luff . – Release the jib sheet and ensure it smoothly crosses the boat, avoiding any entanglement. – Turn the bow of the catamaran into the wind, managing the mainsail as it fills with wind on the opposite side. – Adjust the jib sheet on the new leeward side to capture the wind and maintain speed. – Make any necessary adjustments to the heading and sails to resume your desired course.

– Prepare the catamaran by getting the jib and mainsail ready for the change in direction. – Steer the catamaran away from the wind, ensuring that the mainsail is backed by the wind. – Release the mainsheet and swiftly swing the boom across the cockpit to the opposite side. – Trim the mainsail and jib to harness the wind from the new direction, effectively maintaining control and speed. – Adjust the heading and sails as needed to resume your desired course.

By mastering these techniques, you can skillfully maneuver your catamaran, enhancing the enjoyment and efficiency of your sailing. Always consider the wind direction and adjust your sails accordingly to maintain control and optimize efficiency throughout your journey.

Sail Trim and Balance

Sail trim and balance are crucial for effective catamaran sailing. Proper sail trim ensures optimal performance and speed , while balancing the sails evenly distribute the pressure between them and prevent excessive heeling of the boat . Adjusting the angle, tension, and position of the sails in response to wind conditions is essential for achieving the desired sail trim and balance.

One way to achieve sail trim and balance is by adjusting the position of the traveler , which controls the lateral movement of the mainsail. Moving the traveler to leeward allows the sail to take in more wind, improving the sail trim, while moving it to windward reduces exposure, compensating for gusts or changes in wind direction.

In addition, adjusting the tension of the halyards and sheets can further fine-tune sail trim and balance. By tightening or loosening these lines, you can optimize the shape and curvature of the sails , ultimately improving their performance.

It is important to continuously monitor and make adjustments to sail trim and balance while sailing. Being responsive to changing wind conditions and making timely adjustments will enhance overall performance and ensure a smoother, more enjoyable sailing experience .

Keep in mind that mastering sail trim and balance takes practice and experience . Paying attention to these factors will significantly improve your catamaran sailing abilities.

Maneuvering in Different Wind Conditions

Maneuvering a catamaran in different wind conditions requires specific steps for optimal control and performance. In order to achieve this, it is important to assess the wind direction by observing nearby objects or using a wind indicator. Once the wind direction is determined, adjust the sails based on the wind direction. For downwind sailing, set the mainsail and jib on opposite sides, while for upwind sailing, position the sails closer together.

Next, it is crucial to trim the sails properly to maximize lift and minimize drag. In lighter winds, the sails should be loosened, while in stronger winds, they should be tightened. Using the mainsail traveler to adjust the position of the mainsail sheet can optimize sail shape and control in different wind angles.

To steer the catamaran, adjust the rudder accordingly. Smaller course corrections should be made in light winds, while larger adjustments are necessary in stronger winds.

In gusty conditions, it is important to react to gusts by depowering the sails. This can be done by easing the sheets or heading up into the wind, which helps maintain stability.

It is essential to be aware of wind shifts and make necessary adjustments to the course and sail trim.

Practicing sailing techniques such as tacking , jibing , and sailing close-hauled or downwind can significantly improve proficiency in handling the catamaran in various wind conditions.

By following these steps, catamaran sailors can confidently navigate and maneuver their vessel in different wind conditions, ensuring a safe and enjoyable sailing experience.

Advanced Catamaran Sailing Techniques

Ready to take your catamaran sailing skills to the next level? In this section, we’ll dive into the thrilling world of advanced catamaran sailing techniques . Get ready to learn about the exhilarating art of spinnaker sailing , the adrenaline-pumping experience of flying a hull , the secrets of performance tuning , and the challenges and strategies of handling heavy weather conditions . Brace yourself for an adventure on the high seas as we explore the exciting realm of catamaran sailing like never before.

Spinnaker Sailing

Spinnaker sailing is a vital technique used in catamaran sailing to optimize speed. The spinnaker , a balloon-shaped sail, is strategically flown in front of the boat while sailing downwind. By harnessing the wind from a different direction, the spinnaker empowers the catamaran to sail faster and with greater efficiency.

To set up the spinnaker, the crew skillfully hoists it up the mast using a halyard and securely attaches the corners of the sail to the spinnaker pole . Once elevated, the crew precisely trims the sail by adjusting the sheets , controlling its shape and angle. This requires coordination and expertise as the crew works together to steer the boat and fine-tune the sails for optimal balance and speed.

Maintaining awareness of wind conditions is crucial to adapting the spinnaker and avoiding excessive power or loss of control. Spinnaker sailing significantly enhances the performance of a catamaran, enabling it to achieve remarkable speeds and maximize downwind navigation.

When honing spinnaker sailing skills, it is advised to commence in lighter wind conditions and progressively advance as proficiency accrues. Proper training and diligent practice are imperative for a safe and gratifying sailing experience.

Flying a Hull

Flying a hull is a technique used in catamaran sailing. It involves lifting one hull out of the water, allowing the boat to glide on just one hull while the other remains elevated. This technique, known as flying a hull , is commonly used in high winds and requires practice and experience.

To fly a hull, the sailor must position their weight on the windward hull, leveraging their body weight to lift the hull out of the water. This creates less resistance, increasing the catamaran's speed and performance. It can be an exhilarating experience, as the boat skims across the water.

Flying a hull is not without risks and should only be attempted by experienced sailors. It requires a good understanding of the catamaran's dynamics and stability. Proper sail trim and balance are crucial to maintain control and prevent capsizing.

When flying a hull, be prepared for sudden gusts of wind and rapid changes in boat speed. Constant adjustments to sail trim and weight distribution are necessary for stability and control. Prioritize safety, wear appropriate gear, and always be mindful of your limits and the current conditions. With practice and experience, flying a hull can be a thrilling and rewarding aspect of catamaran sailing.

Performance Tuning

• Maintain and inspect all systems and equipment regularly. This includes checking rigging tension , inspecting sails for damage, and ensuring proper alignment of rudders and steering system .
• Clean hull regularly to remove marine growth that can create drag and slow you down.
• Maximize speed through proper sail trim. Experiment with adjustments to find the perfect balance between power and efficiency. Adjust mainsail and jib sheets to achieve desired sail shape and angle to the wind.
• Distribute weight evenly throughout the catamaran for stability and performance. Balance passengers , equipment , and supplies evenly on both hulls to prevent unnecessary drag.

Frequent performance tuning will help you get the most out of your catamaran, allowing for faster and more efficient sailing. A well-tuned catamaran can significantly enhance your sailing experience and give you a competitive edge in races.

Fact: Performance tuning can improve catamaran speed by up to 10%, allowing for swift gliding through the water.

Heavy Weather Sailing

In heavy weather sailing, taking proper precautions is crucial to ensure the safety of both the crew and the catamaran. Follow the steps below when sailing in challenging weather conditions:

1. Check the weather forecast: Before heading out, always check the forecast for potential storms or strong winds. This will help you decide if it is safe to sail.

2. Reef the sails: Reduce the exposed sail area in strong winds. Partially furl or lower the sails to maintain control and stability.

3. Ensure proper ballast: Distribute weight in the catamaran to maintain balance and stability. Shift crew members or equipment to the windward side to offset strong gusts.

4. Monitor the sea state: Pay attention to the sea condition and adjust your course accordingly. Avoid large waves or swells that may cause the catamaran to broach or capsize.

5. Have appropriate safety gear: Carry essential safety equipment like life jackets, harnesses, and tethers. Ensure all crew members are familiar with their use.

6. Maintain constant communication: Keep in touch with other boats or shore stations to report your position and receive important updates or warnings.

7. Stay vigilant: Continuously monitor weather and sea conditions, making adjustments as necessary. Be prepared to make quick decisions and react to environmental changes.

To sail a catamaran safely in heavy weather, proper training and experience are important. If you are a beginner or unfamiliar with heavy weather sailing, seek guidance from a qualified instructor. Remember, safety should always be the top priority when facing challenging weather conditions at sea.

Navigation and Safety Tips for Catamaran Sailing

When it comes to sailing a catamaran, navigation and safety are of paramount importance . In this section, we’ll discover essential tips and techniques that will help you navigate channels and obstacles with ease . We’ll also uncover the mysteries of understanding weather patterns for a smoother sailing experience. To ensure safety, we’ll delve into the art of mooring and docking safely . And finally, we’ll touch upon emergency preparedness , equipping you with the knowledge needed to tackle unexpected situations. Let’s set sail and explore the fascinating world of catamaran sailing!

Navigating Channels and Obstacles

When sailing a catamaran and navigating channels and obstacles, it is important to follow certain steps to ensure safety and efficiency.

1. Plan your route: Take the time to study charts and navigation aids, identifying the safest and most efficient route. Pay attention to potential hazards such as sandbars, reefs, or underwater obstructions.

2. Stay within marked channels: Stick to designated channels and be vigilant about watching navigational markers that guide boats safely through the area.

3. Maintain a safe speed: Slow down when navigating through narrow channels or around obstacles to have better control and quicker reactions if needed.

4. Keep a lookout: Assign a crew member the responsibility of actively watching for boats, buoys, and obstructions. Good communication among the crew is crucial in ensuring everyone’s safety.

5. Use navigation aids: Make full use of onboard GPS systems, charts, and radar to accurately determine your position, marker distance, and potential hazards.

6. Communicate with other boaters: In busy channels, it is important to use VHF radio or visual signals to communicate with other boaters, helping to avoid collisions and ensure safe navigation.

7. Be prepared for changing conditions: Keep in mind that channels can be affected by tides, currents, and weather. Stay updated with the latest information and adjust your navigation plan accordingly.

To successfully navigate channels and obstacles, it is important to practice safe and vigilant sailing techniques. Always prioritize the safety of your crew and vessel, and never underestimate the importance of proper navigation.

Understanding Weather Patterns

Understanding weather patterns is crucial for safe and successful catamaran sailing. Here are some key points to consider:

• Study weather forecasts: Regularly check weather forecasts before your sailing trip. Look for details such as wind speed, wind direction, and any warnings or advisories.
• Learn about local weather patterns: Different locations have unique weather patterns. Understand the typical wind patterns, temperature changes, and seasonal variations in your sailing area to anticipate potential weather changes.
• Recognize signs of changing weather: Keep an eye out for signs of changing conditions while on the water. Signs may include darkening clouds, shifting winds, sudden temperature drops, or changes in wave patterns.
• Be prepared for different weather conditions: Have necessary gear and equipment for various conditions. This includes proper clothing, safety gear, and navigation tools. Prepare for storms, high winds, and other challenging weather situations.
• Adjust your sailing plans accordingly: Based on the forecast and observations while sailing, make necessary adjustments to your route, timing, and activities. Safety should always be the top priority.

Understanding weather patterns will help you make informed decisions and ensure a safe and enjoyable catamaran sailing experience. Prioritize safety and consult with experienced sailors or local authorities when in doubt. Safe sailing and smooth voyages!

Mooring and Docking Safely

Mooring and docking safely are crucial when sailing a catamaran . Here are the steps to follow:

1. Approach the dock or mooring area carefully, considering wind and current conditions.

2. Assign crew members to handle lines and fenders for a smooth docking process.

3. Use fenders to protect the hulls of the catamaran during mooring and docking safely.

4. First , secure the bow line to prevent the catamaran from drifting away.

5. Attach the stern lines after securing the bow line to ensure mooring and docking safely while keeping the catamaran aligned with the dock or mooring.

6. Communicate with the crew to ensure everyone knows their roles and responsibilities during mooring and docking safely.

7. When leaving the dock or mooring area, untie the lines in reverse order, starting with the stern lines and finishing with the bow line.

Suggestions for mooring and docking safely include:

– Practice docking and maneuvering in different conditions to improve skills.

– Consider using spring lines to control the catamaran’s movement while mooring and docking safely.

– Be mindful of nearby boats, obstacles, and other watercraft to avoid collisions.

– Invest in high-quality lines, fenders, and docking equipment for stability and safety.

– Stay updated with local boating regulations and guidelines for mooring and docking safely in specific areas.

Remember, practicing and having a well-prepared crew can make a significant difference when it comes to mooring and docking safely with a catamaran.

Emergency Preparedness

When catamaran sailing, emergency preparedness is crucial for everyone’s safety. Here are some essential tips for handling emergencies on a catamaran:

• Always have a well-stocked first aid kit on board, including bandages , antiseptic ointments , and seasickness medication .
• Have a reliable communication device , like a VHF radio or satellite phone , to call for help in emergencies .
• Practice regular safety drills with your crew to familiarize them with emergency procedures , including man overboard drills and fire drills .
• Understand basic navigation techniques and be prepared to use navigational aids, such as GPS or charts , in case of equipment failure .
• Carry extra safety equipment, like life jackets , flares , and a life raft , for rough weather or if the boat becomes disabled.
• Keep a strong anchor and anchor line on board to use in case of engine failure or other emergencies that require quick anchoring.
• Stay updated on weather conditions and be prepared to change course or seek shelter if severe weather is forecasted.
• Foster good communication and teamwork among your crew to ensure a coordinated response to emergencies and to maintain calm in stressful situations.

By prioritizing emergency preparedness and taking necessary precautions, you can enjoy a safe and enjoyable catamaran sailing experience.

Some Facts About How To Sail A Catamaran:

• ✅ Understanding a Catamaran: A catamaran is a multi-hulled water vessel with two parallel hulls and sails. Small catamarans, also known as beach catamarans, are the focus of this guide.
• ✅ Essential Parts of a Catamaran: The essential parts of a catamaran include the hull, tiller, rudder, keel, mast, mainsail, foresail, and boom. Each part plays a crucial role in the catamaran’s operation.
• ✅ Common Sailing Terminologies: Some important sailing terms to know include point of sail, port, starboard, bow/stern, tack, jib, heeling, windward, leeward, aboard, halyards, and sheets.
• ✅ Learning How a Small Catamaran Works: The wind is what propels a catamaran. By raising and trimming the sails, you can capture the wind’s power and move the catamaran. The tiller is used to control the rudder and steer the catamaran in your desired direction.
• ✅ Getting Equipped: Before setting sail, it is important to have the right sailing gear. This includes fitting shoes, sailing gloves, polarized sunglasses, a windbreaker, a logbook, a compass/GPS, a first aid kit, a phone and power bank, and enough food and water.

Frequently Asked Questions

What are the advantages of sailing a catamaran over a monohull.

Catamarans offer several advantages over monohulls, including more living space, greater stability, and less likelihood of causing people to fall overboard. Catamarans also have two engines, providing increased safety in case of engine problems.

What is the process for learning to sail a catamaran?

Learning to sail a catamaran requires hands-on experience. Nautilus offers week-long live aboard courses in various locations, providing an intensive course where individuals can gain practical skills. Successful completion of the course earns ASA certification, allowing them to charter catamarans internationally.

What are the essential parts of a small catamaran?

The essential parts of a small catamaran include the hull, tiller, rudder, keel, mast, mainsail, foresail, and boom. Each part plays a crucial role in the catamaran’s operation.

How do I trim the sails on a catamaran?

Trimming the sails involves adjusting their positioning to control the catamaran’s movement. Tighten or loosen the sheets to achieve the desired sail shape and maximize the catamaran’s performance in different wind conditions.

Where can I find top-quality catamarans designed by renowned boat builders?

The Moorings offers exclusive access to top-quality catamarans designed by Robertson & Caine, a renowned South African boat builder. They provide a range of options for sailing vacations and ownership yachts.

Are catamarans safe for offshore sailing?

Catamarans have undergone significant design improvements and are considered safe and stable for offshore sailing. They offer greater stability, duplicate navigation systems, and reduced risk of capsizing. It is still important to adhere to safety protocols and consider weather conditions for a safe voyage.

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How to Safely Set Anchor

We all know that novice sailor who stays on anchor watch all night the first twenty times on an overnight anchorage for the simple fact that they can’t sleep. We also know the seasoned sailor who drifted on anchor while peacefully asleep, only to wake up to the sound of a crash.  

Dropping anchor for a quick swim on a center console with outboard engines is a much different experience than ensuring your yacht is protected and secured for an overnight anchorage. What raises the stakes is when you are on a yacht with inboard engines—like most catamarans— and you would like to get a good night's rest during your overnight anchorage.

As sailors, we can all admit that we have felt insecure, on many occasions, about the position and location of our anchor.

For this reason, we took some time to hang out with a professional yacht captain to go through the motions of safely and securely setting our anchor. To make things fun, we did this aboard a Leopard 45.

Ten Steps to Setting Anchor

• Turn your boat into the wind. Once you have accomplished this, ensure your speed reads close to zero. If necessary, engage your engines just enough to keep your boat sitting idly in the spot that you would like to drop your anchor. Check the depth of the water and decide the scope you would like to let out. Every skipper is different so we will refrain from providing our preference. However, a wise man once said, “When in doubt, let it out.”
• Open up your anchor locker, grab your windlass remote (should you be so fortunate to have one) and lift up your safety catch.
• Use the windlass remote to lower the anchor to your preferred scope. When you are happy with that, move on to step four.
• Close your safety catch, and lock (tighten) the chain so that when the anchor chain catches, it will not put force on the windlass.
• Put your engines into reverse and allow your anchor to catch.
• Head forward to the bow and listen for sounds and movement that will indicate that your anchor is secured.
• Use your chart plotter to drop a way point and start the track to watch the movement of the boat. Wait a few minutes to ensure you are not drifting. Alternatively, you may use a handheld compass to locate three different points and record your bearings. Wait a few minutes and take your handheld compass again to get a fix on those points. If the readings are not the same, then you know you have drifted. If you did not drift, move on to step eight.
• Secure your bridle.
• Open safety catch, go up slightly with the windlass remote to release your chain, and then lower your chain down. When you let your chain down you want to have enough go down so that there is no tension on the chain, you want your bridle to be doing all of the work.
• Watch the bridle come up towards the bow of your boat.

When you have successfully completed all of these steps, you can rest easy knowing that you have securely anchored your yacht. If you would like to see these steps in action, we encourage you to press play on the video below!

Topics: Leopard 45 , Boating Tips

Katie Campbell

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Anchoring Technique

Very often, we see charterers showing up at an anchorage, and then the "anchoring show" begins. While the sight of the husband/wife/children/friends screaming at each other provides great entertainment, it usually ends up in poor anchoring and in a potentially dangerous situation for the charterer and its neighbors, including you! The situation is sometimes so bad that serious boaters simply move to another spot just because they do not want to be near a bareboat charterer. So we felt a quick refresher would be in order. We are not going to get into great technicality here. Just some basic stuff that many charterers seem to ignore completely.

One word before we start: the keys to good anchoring are: preparation and slow maneuvering . And if you miss, no shame: just go around and restart the maneuver. And if you do that, do not let the anchor dangle off your bow while circling .

Setting Anchor

Try to arrive at your anchorage relatively early, with enough light to locate potential reefs and other hazards. besides, if you get somewhere too late, and for some reason you cannot anchor (no room left for example), you need to have extra time to go somewhere else before nightfall. arrange a set of simple hand signals with the crew who will be at the bow to operate the anchor. therefore, no need to scream and become frustrated. also, at this point, we assume all your sails are dropped. if not, it's really time to do it now. the crew manipulating the anchor and windlass should wear gloves and deck shoes as a minimum protection., always anchor under power only. at this stage, all sails should be furled tight..

Once you are on the premises, take a tour of the anchorage at very slow speed to:

• Get a sense of where you would like to be for the night.
• Spot the sandy areas where your holding will be best. If possible avoid grassy areas where it is very difficult to set up anchor. 
• Beware of noisy spots due to a band at the beach bar for example. Your cruising guide will usually tell you that.
• Avoid rolly spots if possible.
• Check the depths. Recommended lengths: if you only have chain, your scope ratio is at least 5 to 1 (ex.: if depth is 20 ft + aft from roller to the water, let 125 ft. of chain out. More in strong winds.) If you have chain and rope, your ratio is 7 to 1. Note : it is not the depth where the boat lays, which can be much greater or less than where the anchor is. 
• Shorten the dinghy painter all the way, to avoid the painter entanglement in the propeller. This does happen!
• The anchor and the chain should be clear, and the anchor ready to be dropped, slightly disengaged from the bow rollers.

Once you have spotted your favorite place:

• Make sure you will have enough room to swing without hitting any other boat.
•  If you are far from any other boat, approach facing the wind at very slow speed ("no-knot", as my son says) and simply drop your anchor where you want it set.
• If you're anchoring among other boats, drop your anchor off the beam (or the stern) of another boat. That way, assuming all boats are doing this, the anchoring configuration is of staggered boats, therefore ensuring no boat will hit another when swinging. 
• Now stop the boat completely.

At this point, the anchor crew should let about 2/3 of the desired length out. Now just let boat sit and settle for a few minutes. Then with the anchor man still at the bow, start backing up the boat gently to lay down the rest of the chain desired length. Let the boat settle again. Then put the engine in idle reverse position. The bow crew rests one foot lightly on the chain between the windlass and the bow roller. This accomplishes 2 things:  a) You're making sure the chain does not "jump", which would mean the anchor is not set. If this is the case, you will feel the chain literally jumping under your foot. Let more chain out and redo #5, until the chain remains taut under your foot when backing up. b) If the anchor is set, backing up the boat really "digs" the anchor deeper. Complete the digging process by gradually revving up the engine in reverse for about 30 sec. Visually check that the boat does not drag. When the anchor is set, you can cut off your engine.

 If the anchor is NOT set, restart the maneuver until you're satisfied. You are not done yet!!

Take you snorkel mask and fins and go swim over the anchor to visually check it is properly dug in the sand. This is very important . We all have seen countless people arrive at an anchorage, drop the hook with a few feet of chain or rope, and..that's it. This is a disaster waiting to happen.

Once you feel comfortable with everything you've done, take the final step and set up a snubber line. Your boat should have one provided by the charter company. That is really important. Click to see the setup diagram . (Note: This diagram shows a double snubber, but your boat probably has a single one, which is perfectly OK.)

Lastly, for the next hour, and then periodically after that, visually check that the boat is not dragging by taking precise bearings ashore and verify you are not moving.

If it is extremely windy or you are expecting squalls or a storm during the night: personally, I wake up every 1 to 2 hours to check on my anchor and the neighbors' position. Not everyone is willing to do that, but it is just good seamanship. Now if the weather is really bad, set an anchor watch for the night by rotating your crew. Rare, but it can happen. That's it. It sounds a little complicated, but it really is not. The whole thing above (providing you do not have to reset the anchor) takes 20 minutes, and is simply a matter of being methodical and calm. Anchoring is a very important technique to master for the safe enjoyment of your charter. Do not neglect it: poor anchoring can transform a great vacation into embarrassing situations at best, and an accident at worst. A final word: Most situations you are likely to encounter while chartering can be handled with a single anchor. The 2-anchor set up is more complicated, can be a pain if you have to leave quickly, and, again, is rarely justified, providing you are properly applying the above technique.

Anchoring a catamaran

• Because a cat offers less resistance to the water than a monohull, it takes more time to slow down than a monohull. So make sure the boat has completely stopped.
• Keep the boat straight into the wind, using the engines at idle speed. Do not let the boat go sideways .
• As soon as the anchor is set, back the boat straight with both engines.
• You need to set the snubber with the bridle that is all cats are equipped with. Keep the boat into the wind as you're doing this.
• If you choose to use a mooring ball, you imperatively need to set up a bridle . Do not cleat the ball line only on one hull.

The Dreaded Dragging Situations

If one of your neighbors drag. During the day, immediately call the attention of the other boat crew. Prepare fenders to avoid damage to you boat. If there is nobody on board the dragging boat (they are drinking at the beach bar) I personally have come on board the boat and reset the anchor. You might not be prepared to do that, in which case, you might have to move your own boat. During the night, if you are sound asleep, you might become aware of it only when you hear the other boat hit yours. Wake up your crew and get on deck immediately. Start your engine and keep it idling. Try to wake up the crew of the other boat (yell, flash your lights, etc.). Prepare fenders and do as in the day procedure.

If your boa t is dragging. During the day, not a major problem. Start your engine and keep it idling. Try to pay out more chain or rope. Wait a few minutes to see if the anchor resets itself. If not, you will have to re-anchor. During the night, if you are sound asleep, you might become aware of it only when you hear other people screaming and flashing lights at your boat.. Wake up your crew and get on deck immediately. Start your engine and keep it idling. Try to pay out more chain or rope. Wait a few minutes to see if the anchor resets itself. If not, you will have to re-anchor. Turn your depth sounder on and try to find another spot to anchor. If you have to do that, turn off all the lights on the boat to get the best night vision possible. Move to another place at extremely slow speed.

Weighing Anchor

Start you engine. Most charter boats require the engine on to operate the windlass. Have someone at the helm looking at you and your hand signals at all times.

Grab the windlass remote control and stand on the most forward point at the bow. Observe which direction the chain is lying in. If the windlass does not operate with enough torque, ask the helmsman to rev up the engine.

Using hand signals, instruct the helmsman to move the boat forward very slowly in the direction of the chain. Make sure you have the helmsman stop the motion before you overshoot the anchor.

• Start cranking the chain up while it is slack. When you get to the snubber line, stop cranking and simply remove it. Then resume cranking. When the chain is taut again, instruct the helmsman to move the boat forward again. The whole idea here is to avoid using the windlass to move the boat forward, as this causes unnecessary strain on the windlass shaft and on the chain roller.

At one point you will find the boat straight above the anchor. Finish cranking the chain up all the way until it settles on the roller.

Signal the helmsman that the boat is free and get back to the cockpit to help with the main sail (if it is already raised.) You're done.

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How To Make a Catamaran Anchor Bridle? (The Ultimate Guide)

Are you ready to learn the basics of making a catamaran anchor bridle? Having a bridle in place on your boat can help provide extra security when you are out at sea.

In this ultimate guide, well explain what a catamaran anchor bridle is, why you need one, and what supplies and materials you need to make a bridle.

Well then provide a step-by-step guide for creating the bridle, as well as tips on how to add extra strength and troubleshoot any common issues.

Finally, well explain how to properly maintain it.

Get ready to learn the basics of making a catamaran anchor bridle!

Table of Contents

Short Answer

To make a catamaran anchor bridle, you will need two lengths of anchor rope, a bow line, and a cleat.

Start by connecting the two lengths of anchor rope together with a bow line.

Then, attach the cleat to one end of the rope.

Next, attach the other end of the rope to the bow of the boat.

Finally, thread the bridle through the bow of the boat and connect the cleat to the stern.

Voila! You have successfully made a catamaran anchor bridle.

What is a Catamaran Anchor Bridle?

A catamaran anchor bridle is an essential piece of safety equipment for any catamaran.

It is a type of mooring system that is used to keep the boat securely anchored in areas with strong tidal currents or wind.

The bridle consists of two lengths of heavy-duty rope or line that are attached to the boats bow and stern, with a loop formed in the middle and secured with a bowline knot.

A shackle is then attached to the middle of the loop and connected to the anchor.

This allows the anchor to be held in place even in the most challenging conditions.

Making a catamaran anchor bridle is a relatively simple process, but it is important to use the right materials and to make sure the knot is properly tied for maximum security.

The materials needed include two lengths of strong rope or line, a shackle, and an anchor.

It is also important to make sure the two lengths of rope or line are of equal length for optimal balance and stability.

Before making the bridle, it is also important to measure the distance from the bow or stern to the anchor point to ensure that the bridle is the proper size.

Why Do You Need an Anchor Bridle?

When out on the open water, it is essential to have the right safety equipment to keep your boat secure.

This is especially true for those who own a catamaran, as they are particularly vulnerable to strong tides and winds.

An anchor bridle is an indispensable piece of equipment for any catamaran, as it ensures that the vessel remains secure when anchored in an area with strong currents or gusts of wind.

By connecting the bridle to the bow or stern of the boat and then to the anchor, it helps to keep the boat from drifting away and keeps it in place.

In addition, an anchor bridle also helps to reduce the amount of strain on the anchor, as the rope or line is able to absorb some of the force exerted by the current or wind.

With an anchor bridle, you can be sure that your catamaran is securely anchored and wont drift away in unexpected winds or tides.

What Supplies Do You Need for a Catamaran Anchor Bridle?

When it comes to making a catamaran anchor bridle, there are a few supplies youll need.

The most important of these is two lengths of heavy-duty rope or line, of equal length.

This should be strong enough to withstand the forces of the current and the wind, as well as being durable enough to last for a long time.

You will also need a bowline knot, a shackle, and an anchor.

The shackle is the connector between the bridle and the anchor, and it must be strong enough to handle the weight of the anchor.

Finally, youll need tools such as a knife, scissors, and a measuring tape, as well as any other tools you might need to cut and measure the rope or line.

With all these supplies in hand, youll be ready to make your catamaran anchor bridle.

Step-by-Step Guide to Making a Catamaran Anchor Bridle

Making a catamaran anchor bridle is an easy task and requires only a few basic supplies.

To begin, youll need two lengths of heavy-duty rope or line that are the same length, and one end of each line should be attached to either the bow or stern of the catamaran.

Once the lines are securely attached, tie them together in the middle to form a loop.

Then, secure the loop with a bowline knot, which will ensure that the loop doesnt slip or come undone.

After that, attach a shackle to the middle of the loop.

This is the most important step as the shackle will be used to attach the anchor to the bridle.

Finally, connect the shackle to the anchor and you have a completed catamaran anchor bridle.

It is important to ensure that the bridle is properly secured and that it is strong enough to hold the catamaran in place.

The rope or line should be strong enough to hold the catamaran in place even in strong tidal currents or wind.

You should also be sure that the bowline knot is properly tied and that all the pieces are securely attached.

Making a catamaran anchor bridle is a simple and straightforward task that does not require any special skills or tools.

However, it is important to ensure that the bridle is properly secured and that it is strong enough to hold the catamaran in place.

Following these steps will help you ensure that your catamaran anchor bridle is secure and effective.

Tips for Adding Extra Strength to Your Bridle

Once you have completed making your catamaran anchor bridle, there are a few tips to keep in mind that can add extra strength and security to your rig.

For starters, use the heaviest-duty rope or line available that is suitable for your catamaran.

This will ensure that your bridle is able to withstand the forces of the wind and tide without breaking.

Additionally, consider using a three-strand rope, as this type of rope is stronger than a single-strand line.

Similarly, using multiple knots to secure the bridle can increase its strength and ensure that none of the knots come undone due to the strain of the wind and tide.

Finally, if you are anchoring in an area with particularly strong winds or a strong current, consider adding an additional line to your bridle to provide extra security.

This line should be attached to the anchor and then passed through the loop of the bridle before being looped back to the anchor.

Following these tips will help ensure that your bridle is able to keep your catamaran secure in any situation.

Troubleshooting Common Issues with a Catamaran Anchor Bridle

Making a catamaran anchor bridle may seem like a daunting task, but it is relatively simple and can be done with a few basic supplies.

However, even with the right materials and instructions, there can be issues that arise.

In this section, we will cover some of the most common issues that may arise when making a catamaran anchor bridle, as well as some tips on how to troubleshoot and solve them.

One of the most common issues is that the rope or line used to make the bridle is too short.

This can be easily solved by measuring out two lengths of the same length rope or line before attaching one end of each to the bow or stern of the catamaran.

Make sure to measure twice to get an accurate length.

Another common issue is that the bowline knot used to secure the loop is not tied correctly.

This can be tricky and may take a few tries to get it right.

If you are having difficulty, you can use a pre-made bowline knot or refer to a guide on how to tie a bowline knot correctly.

Finally, if the shackle used to attach the bridle to the anchor is too big or too small for the anchor, the bridle will not be secure.

Make sure to measure the size of the anchor before purchasing a shackle to ensure that it is the correct size.

By following the steps and troubleshooting any issues, you should have a secure and safe catamaran anchor bridle in no time.

How to Properly Maintain Your Anchor Bridle

Properly maintaining your catamaran anchor bridle is essential for ensuring it is ready to use in the event of an emergency. Regularly checking your bridle for any signs of wear or damage is key to ensuring it remains in working condition. Here are a few tips to keep your bridle in good shape:

– Inspect the lines and shackles for any signs of fraying, cracking, or other damage. If you find any signs of wear, replace the lines and shackles immediately.

– Check the knots to make sure they are still tight. If they are loose, re-tie them.

– Make sure the lines are the same length and properly secured to the bow or stern of the catamaran.

– If the lines become stretched, replace them with new ones of the same length.

– Store your bridle in a dry place when not in use, as moisture can weaken the lines and cause them to break.

– Wash your bridle with fresh water after each use to remove any dirt or debris.

By following these easy tips, you can keep your anchor bridle in top condition and ensure it is ready to use whenever you need it.

Final Thoughts

Making a catamaran anchor bridle is a relatively simple process that can be done with a few basic supplies.

With this guide, you now have the knowledge and steps necessary to create an anchor bridle that will keep your catamaran secure in areas with strong tidal currents and wind.

To ensure the bridle is in optimal condition, always practice proper maintenance and inspect the bridle regularly.

Now that you know how to make a catamaran anchor bridle, it’s time to put that knowledge to action and get out on the water!

James Frami

At the age of 15, he and four other friends from his neighborhood constructed their first boat. He has been sailing for almost 30 years and has a wealth of knowledge that he wants to share with others.

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The Boat Galley

making boat life better

Anchoring Bridle with a Mantus Chain Hook

Published on April 25, 2016 ; last updated on July 31, 2022 by Carolyn Shearlock

I got a question this weekend about our anchoring bridle (which we love) and I realized that I’d never written about it or, more specifically, the Mantus Chain Hook. It’s laying on the deck of our boat in the above picture — in use, most of it is below water.

On our previous boat, a Tayana 37, we used two 3-stand nylon lines as snubbers, tying them to the chain with rolling hitches and then cleating them to the forward cleats.

The boat had come with a bridle and two chain hooks (the Eye GrabHook and the ABI Chain Grabber in the photo below), but if the winds were light, both would just fall off the anchor chain. Not good! The others did not impress us as being more likely to stay on.

The whole purpose of snubbers or a bridle is to prevent shock loading on the anchor chain. With the snubber or bridle in place, the line slowly stretches and puts pressure on the anchor chain, digging the anchor in. Without it, a gust will jerk the chain and quite possibly pop the anchor loose.

Dave and I feel that snubbers or a bridle are a key component to anchoring safely and securely.

So on our previous boat, since we couldn’t find a hook that didn’t fall off, we used snubbers and attached them to the chain with rolling hitches (snubbers are separate lines for each side of the boat; a bridle brings the two lines from each side of the boat together in a V and then has one attachment point to the chain). They worked well, but were a pain to put on and take off – and trying to take them off quickly in an emergency would have been just about impossible; we would have had to cut them off.

A bridle with a chain hook is much simpler to use and faster to remove in an emergency situation. But until Mantus came out with theirs, we just weren’t confident that any hook would stay on. The Mantus Hook was a game-changer for us. (Disclosure: Mantus is a TBG sponsor and I do make a little on purchases made through the links here; however – and this is a biggie – anchoring gear is of critical importance to any boat. I use and recommend Mantus because I think it’s the best and not because I make a bit of money. My life depends on my choices!)

Mantus put together a very short video (48 seconds) showing how their chain hook works. You can see how it positively locks into the chain both by sliding over a link and also having a gate that closes:

The bridle we have is one that came with Barefoot Gal – we simply replaced the old “fall off” chain hook with the Mantus one. It’s made of 3-stand nylon line. The diameter of the line depends on the size, weight and windage of the boat – it has to be sized so that the line will stretch under pressure and thus this is one case where bigger is NOT better. Too large a diameter won’t have the stretch needed! Ours – for a 34’ Gemini catamaran – is 5/8”.

You can make your own bridle or retrofit a Mantus chain hook on an existing bridle as we did. If you don’t already have a bridle, a good option is to just buy a premade one from Mantus – it comes pre-spliced with all the hardware and even chafe gear (as well as the Mantus chain hook, of course!).

Chain hooks are sized according the size chain that you have on your anchor. To learn more or buy the Mantus chain hook or bridle:

• Mantus bridle
• Mantus chain hook only

Mantus has worldwide distributors, so if you are outside the US you can contact them to see where to get them locally. BTW, Mantus customer service is fantastic if you have any other questions, too!

One additional note: if a serious storm were approaching, we’d use our dock lines to make snubbers (with rolling hitches) as back ups to the bridle — we have always been “belt and suspenders” types with backup snubbers whenever weather threatened.

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Reader Interactions

Les Griffith says

April 26, 2016 at 6:07 am

My boat came with an older bridle and eye grab hook which I just replaced with a Mantis system. The Mantis is impressive for sure, I have not had a chance to use it but it looks very secure. The Mantis Web site is a great resource covering the fine art of anchoring for us newbies. Thanks for the added details about the need for the line to stretch, the tendency to over size is not always wise. The distributor (sailboatowners.com) did not include the hook but when I called they sent one at cost since the site did not make it clear the hook was optional, great support from them.

Chris H says

April 26, 2016 at 7:28 am

I also liked the idea of the Mantus until I spotted the ‘sharp’ inside edge – then I saw the latest Practical Sailor report (March 16?) which identified the same issue – and that it weaked the chain considerably.

Louise Hornor says

April 26, 2016 at 7:45 am

We, too, found that the Mantus hook is much more likely to stay on. Unfortunately for us, we can’t use the plastic latch on the Mantus. We have a solid, high gunnel around our bow and my husband attaches the hook by sticking his whole arm out a hawse hole; there’s simply no way to get two hands on the hook.

Without the latch, the hook will occasionally fall off in water as shallow as the snubber is long. We think the hook touches the bottom and sometimes gets knocked off at slack tide/current. That being said, we have a steel boat and the snubber attaches at the water line via a shackle, so it makes a distinctive rattle when it isn’t properly hooked and we know to go fix it. No harm done, since the water is slack and obviously not pulling the chain tight.

A bigger problem has been that occasionally the hook will “double catch” the chain. A second loop of chain can get caught in the cross-shaped teeth as the boat turns, and it shows up as a big chain knot when the anchor is weighed! Fixing it involves unweighting the knot with a second hook we keep around for just that purpose, then a lot of jiggling and poking with boat poles. We’ve gotten better at that, but the first time it happened was quite disconcerting. For those of you with easier access (using both hands, imagine that!) to your chain, I’m guessing the plastic latch would solve this issue, too.

BTW, if you have an older Mantus without the plastic latch, ask Mantus to send you one. They sent us one for free; it’s not their fault we couldn’t use it!

All in all, I think the Mantus is the best hook on the market. Our weird set up would be a challenge with any snubbing system. Our high gunnels are a pain at anchoring time but we love ’em in heavy seas.

donald bland says

April 27, 2016 at 11:36 am

hey Caroline, & Dave, I remember a plow anchor you had? Now days you feel the mantus is better than that one? I have a smaller , 8 metre (26′) folk-boat, but I do not want her on the rocks , eh?

Carolyn Shearlock says

April 27, 2016 at 11:42 am

We have never used a traditional plow anchor on our boat. We had a Spade on our previous boat and loved it. We think the Mantus is even better as anchor technology has continued to improve and it’s also less expensive (at least in the US).

Matt C says

April 28, 2016 at 7:57 am

I am working on remaking my bridle for our Lagoon catamaran. I am definitely going to try the Mantus chain hook, seems like a great design!

I wonder if you all can tell me how to splice the eye and thimble in the center of the bridle to attach to the hook? I am trying to make a bridle exactly like yours in the photo. I’ve done the standard googling and haven’t been able to crack that code! I guess I just don’t even know what to call that sort of splice!

April 28, 2016 at 8:27 am

It’s an eye splice with a thimble. The two lines are spliced at the Y, with one being long and going down to make the eye. Here is how to do it: http://www.animatedknots.com/splice/

We find it easiest to tape the ends of the three strands when you separate them and then write 1, 2 and 3 on the tape to make it easier to keep track of which is which as you’re starting out.

Catherine Gilbert says

April 28, 2016 at 10:18 am

Another interesting product review – thanks Carolyn! Here’s a little trick we learned to help maintain our catamaran bridle in warm tropical waters… because a catamaran bridle usually ends up with quite a bit of line underwater, if you spend extensive time in warm water the growth on the bridle can become quite disgusting to handle and eventually may damage the line. We purchased an inexpensive plastic ground sheet from the hardware store (not the woven tarp kind, just smooth plastic) and cut off long strips about 3-4″ wide. I then secured the end of the strip with electrical tape just above the eye of the bridle and spiral wrapped the strip of plastic around the bridle all the way up to near the attachment point above the waterline. I made sure the wrap was nice and tight and then secured the end with more electrical tape. Now the growth wipes off easily, the plastic wrapping lasts about a year (and we live on the hook year-round in the Caribbean), and when you remove the wrap your line is almost like new underneath.

JRankin says

January 28, 2017 at 3:37 am

Not sure why the chain hook should come off unless after putting bridle on people are not slacking the chain between the hook and the windlass so that the bridle takes the weight. This is an important feature of using a hook. Our bridle comes on board though two fair leads about 10 feet back from the bow so minimising the jerk of the chain and the chain hook is about water level

January 28, 2017 at 9:13 am

As the boat swings on anchor, the chain can twist and dump the hook off even with plenty of slack in the chain. It generally happens in light air.

Anonymous says

March 25, 2018 at 11:58 am

We love our Mantus equipment. The Mantus 65 lb anchor and the Mantus harness with chain hook. Wouldn’t cruise without them!

Mike McIntosh says

March 25, 2018 at 9:13 am

I have a friend who lived on their boat for 17 years and another who lived on their boat for 25 years in the Caribbean. They recommended to me to use a 1 line bridle with a second 1 line bridle as a backup. The 1 line cleats on the center of the bow and goes over the anchor roller and then hooks with a grab eyehook onto the chain just before going into the water. The second single line bridle does the same but is cleated onto a different cleat and then goes over the anchor roller and hooks onto the chain just a little above the first bridle hook so this one hangs loose just a little.

This way the boat will swing less since the bridle is straight off the anchor roller and it has a backup in case something ever went wrong which has never happened. Seems to work great for us.

We have always had a monohull, but we just bought a Gemini 105MC so we will have to check it out soon on our new to u boat.

March 25, 2018 at 9:39 am

We’ve always been leery of anything going over or through the anchor roller as the roller can cut through the line — we’ve seen it happen to boats in the same anchorage as we were. It also put a lot of strain on the roller and one purpose of a snubber is to remove all strain from the roller so that it will not break.

March 25, 2018 at 9:34 pm

David Scott

March 26, 2018 at 8:03 am

technical – a bridle and a snubber are different things – used for a similar purpose but quite different

The Boat Galley says

March 26, 2018 at 10:52 am

Yes, our previous boat used snubbers (monohull) and the current one (cat) a bridle. The Mantus chain hook works with either.

March 27, 2018 at 12:16 am

I love our mantus anchor. I have two of their hooks. One for a bridle and one in a dedicated Bahama mooring rode. After extensive cruising, I have to say I love a rolling hitch for most days as is rolls right over our bow roller.

Russ Wende says

May 22, 2018 at 9:03 am

You did not mention, but how long is your bridle? Overall loop to loop and the length of the single line below the splice?

We have the hook but currently use it off a single snubbed line and we’re looking for more security as we now live on the boat and will start to travel. (Boat is a Grand Banks 36’ and weight is about #24,000)

Thanks – this was a great read.

May 22, 2018 at 10:31 am

From the hook attachment point to where it splits in two is about 15 inches. From the split to the end of the loop it’s 9-1/2 feet. Your boat is both larger and heavier than our Gemini catamaran.

April 25, 2019 at 7:35 am

Hi Carolyn: So I understand correctly, you have a hook on the chain and then 15″ to the “Y” splice. The length of the line from the “Y” to the loop which attaches to a cleat on each hull is 9 1/2′.. This makes the total length of your bridle about 11′ from the hook to each hull of your 34′ catamaran. So your bridle is about 33% of your boat length. Am I correct on all of this?

April 26, 2019 at 6:45 am

Yes, but it’s not as much a factor of boat length as width. Our boat has a 14-foot beam.

Keith & Nicki, s/v Sionna says

May 22, 2018 at 9:19 am

Great article as always, Carolyn! One question I’ve had relates to use of a standard eye hook for the snubber, as opposed to the Mantus (or other) hook made for the purpose. In over 400 nights at anchor, we’ve had the eye hook unhook itself just three times, and those were – as you’ve surmised – nights of no wind in shallow water. In those conditions, of course, one hardly needs a snubber anyway, so we’ve elected not to invest in the “official” hook. Barring a sudden squall (not impossible, I grant you), this works for us. On the other hand, we do plan to upgrade from our beloved 35# CQR anchor to a Mantus…

July 14, 2019 at 6:17 pm

Hi, nice info and tips. I have Gemini 105MC and need to buy rope/chain or chain only, windlass and a bridle. Would like to know what size of chain you use? For putting on and off the bridle chain hook to the chain, does the Mantus chain Hook pass through the anchor roller? Or do you have to reach the chain through the outside of the anchor roller to put it on and off? The chain hook looks big in the video and looks as it can get stuck in the anchor roller.

July 15, 2019 at 9:35 am

We have 125 feet of 1/4″ hi-test chain and 150 feet of 5/8″ Brait (a type of rope that lays very nicely in the chain locker). We have the older style Mantus chain hook (they redesigned it about a year ago); it does not go through the anchor roller. Their new style will go through most rollers.

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