We tried (rented) sit-on kayaks for a season or two... work well but come September I'm not sure I want a wet butt all the time.. in most of these it's tough to stay dry. We use the skirts when it's choppy or raining and stay quite dry.
1984 Fast/Nicholson 345 "FastForward"
".. there is much you could do at sea with common sense.. and very little you could do without it.."
Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)