Ropework
How to Coil a Rope on a Boat — Halyards, Sheets and Lines
Published · Last checked October 2026
To coil a rope on a boat, start from the fixed end and work towards the free end, laying even loops into one hand. Coil three-strand laid rope clockwise with a slight twist on each loop; coil modern braided rope in figure-of-eight loops or 'butterfly' it so no twist builds up. Finish by wrapping the tail round the coil and pushing a bight through to secure it, or hang a halyard coil on its cleat.
Why coiling matters
A well-coiled rope runs out cleanly when you need it. A tangled one jams in a block, stops a sail coming down or fouls a propeller. Coils also keep the cockpit and deck clear so nobody trips. The aim is not neatness for its own sake but a line that will run free at the moment it matters.
Coiling laid and braided rope
| Rope | Method | Why |
|---|---|---|
| Three-strand laid | Clockwise loops, twisting each slightly | Matches the right-hand lay so it lies flat |
| Braided (most sheets and halyards) | Figure-of-eight loops | Braid has no lay; twists cancel out |
| Long line to store | Butterfly or flake on deck | No twist and quick to run out |
For laid rope, roll the rope a quarter turn between finger and thumb as you lay each loop so it hangs flat. If a coil keeps forming figure-of-eight kinks, you are fighting the lay. With braid, simply let the loops fall alternately one way and then the other, so they cross into a figure of eight in your hand.
Coiling and hanging a halyard
- Make the halyard fast on its cleat or in its clutch.
- Coil from the cleat towards the free end, so any twist runs out of the tail.
- Reach through the coil, grab the part of the halyard between the coil and the cleat, and pull a bight through.
- Twist the bight two or three times and hook it over the top horn of the cleat, so the coil hangs.
When you need the halyard, lift the coil off, turn it over and drop it on deck so the end that runs first is on top.
Securing a coil for stowage
- Gasket coil: wrap the tail several times round the top of the coil, push a bight through the coil above the wraps and pull it over the top.
- Mooring lines and warps: coil, secure and stow in a locker where they can be pulled out quickly, often with the bowline end on top.
- Flaking down: for anchor rode, long warps or a line about to run, lay it in loose zigzags on deck so it pays out without knots.
Mistakes to avoid
The most common mistake is coiling from the free end towards the cleat. The twist you put in has nowhere to go and builds into kinks and hockles, so the halyard tangles the moment you drop it. Another is hanging coils where they can fall into the water, foul a winch or hide a cleat that someone needs. Keep tails off the side decks, never leave loose rope near the propeller when manoeuvring under engine, and after a sail change re-coil the lines you used rather than leaving them in a heap. In a blow, push hanging coils into a bag or pocket so they cannot wash overboard.
Learn the terms and knots that go with it in the knots and ropework lesson, and see the sail controls in parts of a sailboat.