Hinckley Sou'wester

I remember the day in the summer of 1960.  It was blowing 25 from the southwest, the Sound covered with whitecaps, as we watched a single sailboat push through the chop, under jib and mizzen, approaching the old harbor at Block Island.  Everyone knew enough to stay at the dock that day.  But that rule didn't apply to the hardy couple who had a Hinckley Sou'wester.  It could have been this boat.