"You don't have to worry"??? Last summer in the entrance to
Laguna di Marano, northern Italy, a returning professional
fishing boat was slewed and rolled by an extra large
breaking wave and dropped on the bottom while inverted,
smashing in the wheelhouse and killing two men. A third, who
was on deck, was thrown in the sea and survived.- Hide quoted text -

Oh, Id let you talk to a friend of mine who took a 36' somthing in to
a snug little harbor on the south Oregon coast. But he is dead. Oh,
thats right................ while entering the channel between the two
jetties he hit bottom, next wave hit an pivoted his boat on the keel,
kicked him beam-to, the next one rolled him over a few times. Cause of
both fatalities: shallow water with big rollers make for dead sailors.
Ups, guess they should have measured water depth, wave height, and
draft.