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Converting knots to km/h, speed on the water
Converting is simple: one knot is one nautical mile per hour, that is 1,852 km/h.
Ten knots is 18,5 km/h and 5,1 metres per second.
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Afloat you reckon in knots, ashore in kilometres per hour, and harbour by-laws mix the two. Three knots in the harbour zone is 5,6 km/h, and the five km/h so often posted works out at 2,7 knots. If you carry the conversion in your head, you are far less likely to end up facing a fine.
Exceeding the speed limit on the water is a regulatory offence and, in serious cases, a criminal one. Your defence is covered by watersports legal expenses insurance, in regulatory and criminal proceedings just as in disputes arising from purchase and repair contracts.
Hull cover rarely sets a fixed speed limit; check your policy wording. Fast boats and jet skis can be insured too, and there is usually no top speed at which cover ends. What still applies is the duty to proceed at a safe speed: damage caused by excessive speed in the harbour zone can raise the question of gross negligence.
Frequently asked questions
Is there a speed limit in the policy?
Usually not; check your policy wording.
Fast boats and jet skis can be insured as well.
Does legal expenses insurance pay in the case of a fine?
Watersports legal expenses insurance covers your defence in regulatory and criminal proceedings.
No legal expenses insurer pays the fine itself.
Worked out for your type of boat
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