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The boats can typically travel at speeds over 80 knots (150 km/h) in calm waters, over 50 knots (90 km/h) in choppy waters, and maintain 25 knots (47 km/h) in the average five to seven foot (1.5 to 2 m) Caribbean seas. They are heavy enough to cut through higher waves, although at a slower pace.
Calculate hull speed and power required for boat speed. New from psychosnail, Learn to sail online, course on how to sail for beginners. Yes, it's time for online sailing lessons. For a boat hull, a simple way to think of theoretical boat speed is that a vessel is limited by the wave that boats hull creates. That is, because it is a displacement vessel it doesnât climb its bow wave, as a planning vessel would, which limits the boats speed.