Sailing Safety Guides
Water In The Boat
Water inside the boat is not one problem. It is a race between inflow, pumping, repair, crew energy and outside help.
The first job is to stay calm enough to make the boat safer while you find out whether the water is nuisance water, a serious leak, or a sinking risk.
First Principle
Do not spend the first minutes pretending it is nothing
Water in the bilge can be harmless. It can also be the first sign of a broken hose, damaged seacock, failed stern gland, collision hole, leaking exhaust, cracked fitting or water forced in through lockers and vents.
The danger is delay. If the water level is rising, treat it as serious until proven otherwise.
The first actions
- Put on lifejackets and clip on if deck movement is needed.
- Start the bilge pumps and check that water is actually leaving the boat.
- Hand one person the job of watching water level and reporting changes.
- Reduce boat speed and violent motion if it is making the leak worse.
- Close obvious seacocks if they are not needed for immediate safety.
- Prepare VHF, EPIRB/PLB, grab bag and liferaft while still fighting to keep the boat afloat.
If the water is rising and you are not quickly controlling it, make the emergency call early. It is better to downgrade a call later than to call too late.
Find the source
Do not only look where the water collects. Water can travel through limber holes, under tanks, behind liners and along cables before it reaches the bilge.
- Check seacocks, hoses, clamps, transducers, stern gland, rudder tube and engine raw-water circuit.
- Look in lockers near the waterline and around cockpit drains.
- Check the bow, anchor locker and forward compartments after hitting something.
- Listen for running water when the engine, pumps or waves are not masking the sound.
- Use dry cloth, toilet paper or talcum powder if needed to trace small flows.
Slow or stop the inflow
The pump buys time. The real win is reducing the inflow.
- Close a leaking seacock and plug the hose from the inside if needed.
- Use soft wooden plugs, tapered plugs, cloth, towels, foam, cushions or rubber sheet to reduce flow.
- For hull damage, consider an outside collision mat, sailcloth, bunk cushion or tarpaulin held over the hole by water pressure.
- For hose failure, fold, clamp, plug, bind or replace the hose if safe.
- For a small crack or fitting leak, use emergency putty, tape and backing where it can actually hold.
Bilge pumps are not magic
Bilge pump numbers are often measured in ideal conditions. Real boats have hose height, filters, bends, voltage drop, blocked strainers and air leaks. A pump that looks large on paper may move far less water in a real emergency.
- Check that the outlet is clear and not sending water back into the boat.
- Clear strainers and debris around pump intakes.
- Use manual pumps, buckets and portable pumps if available.
- Keep battery power in mind. Pumps, radios, lights and instruments all need electricity.
- If the water is near batteries, AC equipment or low electrical panels, treat electricity as a second emergency.
If you hit something
After a collision, grounding or hard impact, assume there may be hidden damage until checked.
- Slow the boat and reduce sail if needed to reduce pressure on the hull.
- Check the bow, keel area, rudder area, prop shaft, bilge grid and furniture/tabbing near the impact zone.
- Look for cracks, new movement, dust lines, gelcoat fractures and water tracks.
- Check steering, engine mounts, shaft seal and bilges again after ten minutes.
- Log the position and time of the impact in case help or later inspection is needed.
Use clear crew roles
Confusion wastes time. Even with only two people, say the roles out loud.
- One person manages steering, traffic, radio and overall decisions.
- One person finds and fights the leak.
- One person watches water level and pumps if crew is available.
- One person prepares abandon-ship gear while the others keep fighting the leak.
- Everyone reports facts, not guesses: water rising, stable or falling.
Mayday, Pan-Pan and early help
If the boat is in grave and imminent danger, use Mayday. If the situation is urgent but not yet immediate danger to life, use Pan-Pan. The exact radio procedure matters, but the bigger mistake is often waiting too long.
Give position, nature of distress, number of people, boat description, what you are doing, and what help you need. If offshore, activate appropriate distress equipment when the situation justifies it and keep communications short and clear.
When the water is controlled
- Keep pumping and monitoring. Do not assume the leak is finished.
- Mark the water level and check whether it rises again.
- Inspect repairs, plugs and patches often.
- Check batteries, wiring, engine, fuel, bilge contamination and loose gear.
- Decide whether to continue, divert, request tow, or go to the nearest safe harbor.
- Document what happened with photos and notes while the details are still fresh.
Fight the water, but call early
A boat can often be saved if the skipper acts early, reduces the inflow, keeps pumping and asks for help before the situation becomes desperate.
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