"Mortimer Schnerd, RN" mschnerdatcarolina.rr.com wrote

My first career was as a dive instructor and I've been out in 12 foot seas
myself, although in a bigger (35') boat.

12 foot seas in deep water is a lot different than in 18' deep water. The
steepness of the wave, because of how close the waves are to each other makes a
huge difference.

12 waves on the ocean is just starting to be good sailing. On Western Lake
Erie, 12 foot makes for ...

Not so good! g
--
Jim in NC