Meanwhile, we get this...
Yes, you can park on the beach at the Southern end in Weston. Yes, the sea does go out a long way with the second highest tidal range in the world. No, you shouldn't ignore the signs telling you not to park past them (or drive past them to get closer to the sea to have a paddle), because when the sand ends the mud begins and it will swallow your van whole.
(Although maybe this should be posted on the thread for things that give you joy )