It is amusing when people park below the high tide line and get swamped. I recently parked some 250 yds and 20 ft up a hill from the high tide mark and went on a kids sports day trip by bus. It was a blustery day and I returned to find the wrack line (foam and seaweed) perfectly bisecting the gap between my front and rear axles and several of the people I had the day trip with spent time wandering around the council car park as their cars weren't where they left them.
Dont mess with the sea - its getting angrier!