Beach
Grande plage
Biarritz, France · sea 22.1 °C at its warmest, in August

Sea temperature month by month
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020, sampled 16 km offshore, at the nearest open water cell of a 0.25° grid.
About
Hondartza Handia Biarritzeko sei hondartzetako bat da. Herrigunean kokaturik, Hôtel du Palais eta Bellevue kasinoaren artean dago.
Questions
How warm is the sea at Grande plage?
The sea off Grande plage averages 22.1 °C at its warmest, in August, and 12 °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 Grande plage?
The sea reaches 20 °C or more from July to September. Twenty degrees is where most swimmers stop calling water cold; below it, a wetsuit helps.
Where is Grande plage?
Grande plage is on the coast of Biarritz, France, at 43.4850, -1.5589. The map on this site flies straight to it.