ARGH !!! Finally a topic I have some expertise in. In March/April of 2000, I sailed 'tween Fishhead port in Wales to Waterford port in Ireland and back about a half dozen times. The Irish Sea was very rough at the time (maybe it always is???) and almost everyone on board was chumming really bad... what a symphony that was!!!
The only thing that saved me was eating a French Baguette before leaving on the Fishhead side, and staying very still, breathing in the cold air. The return trip, from Waterford to Fishhead was quite another story, though, as there were no bakeries in the vacinity. But I suppose my pride wouldn't allow me to blow my breakfast. White knuckled, for sure, but I just held on !!!!!