I always make the pee pee. I too have the ability to conjure waves through urination. Because of this, over the years I have become a master of the pubococcygeus muscles and can stop the flow and go whenever I have to
I try to hold it if I can, I don't like pissing in the suit. I'll get out and take a piss if I can. It's really annoying when you have to go and that's the one day that a bunch of people are walking up and down the beach on a windy and 40 degree day. All the more reason that I'd love to live in a warmer climate, where I can go in trunks year round. Even a few spring suit or 3/2 days at worst.