Beach
Plage du Touquet-Paris-Plage
Le Touquet-Paris-Plage, France · sea 17.7 °C at its warmest, in August

Sea temperature month by month
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020, sampled 13 km offshore, at the nearest open water cell of a 0.25° grid.
About
La plage du Touquet-Paris-Plage est la plage du Touquet-Paris-Plage, commune française située dans le département du Pas-de-Calais en région Hauts-de-France.
Questions
How warm is the sea at Plage du Touquet-Paris-Plage?
The sea off Plage du Touquet-Paris-Plage averages 17.7 °C at its warmest, in August, and 7.9 °C at its coolest. These are monthly means from NOAA's OISST v2.1 satellite and buoy record for 1991 to 2020, sampled at the beach's own coordinates.
When can you swim at Plage du Touquet-Paris-Plage?
The sea here never averages 20 °C in any month, so swimming means cold water all year. Some people do it anyway.
Where is Plage du Touquet-Paris-Plage?
Plage du Touquet-Paris-Plage is on the coast of Le Touquet-Paris-Plage, France, at 50.5118, 1.5769. The map on this site flies straight to it.