Boating Coach
On the waterQuestion 292 of 566

What is the only safe speed in fog, mist, rain, smoke or darkness?

  1. Medium.
  2. Planing speed.
  3. Any speed with lights on.
  4. Slow.
Show answer

Correct answer: Slow.

You may need to stop or turn suddenly, so go slow when you cannot see well.

Source: Safe Boating Guide (TP 511E, 2026), Boat at a safe speed, page 38

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Questions last reviewed: 18 October 2026