Playing 'dodge the waves' !!!
No...!
When the sea is THAT rough, the prom should be CLOSED.
I spent a lot of time in Scarborough, and they now close the prom on stormy days ... because quite a number of innocent (and some idiotic) people have been swept to thier deaths by the waves taking them back into the sea....
Seriously, that picture of that person under the wave on the prom is risking his life ....