It would be really good to mention the country you are in as it is an international forum! But hey worked it out Keel beach in county Mayo Ireland.
Mayo in Australia would be mayonnaise, anyway , looks like there are spaces for motor homes and caravans at the beach, there is nothing to indicate tents are welcome or not, as for surf maybe if the leprechauns are on your side. as it has a swell window to the south.
Please be sure of your swimming and surf safety skills as it is likely that you would be one of the few in the water

I could be wrong there , because there is a surf school and some surf based kayak tours.
As for pitching your tent in a farmer's paddock, hmmmmmmm.

I've taken up troll hunting just for fun, instead of a rifle I'll just use a pun! 冲浪爷爷