Looked a little wider at the end... I think he was looking for the wider part to turn around.
@roamer_1 Probably,but you would think a wall of water running directly at him would be a good first clue he needed to get back to where he just came from. You don't have to be a rocket scientist to puzzle out "Gee,there is a wall of water in front of me that is coming at me,and there is no water behind me where I just came from,so which way should I go?"
Unless of course he is a Kennedy relative. None of them should be allowed to leave their houses without a babysitter.