Black sand
Playa El Tarajal
Ceuta, Spain · sea 22.6 °C at its warmest, in August

Sea temperature month by month
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020, sampled 20 km offshore, at the nearest open water cell of a 0.25° grid.
About
Playa El Tarajal is a beach of Ceuta, bordering northern Morocco. The beach is about 250 metres in length with an average width of about 15 metres.
Questions
How warm is the sea at Playa El Tarajal?
The sea off Playa El Tarajal averages 22.6 °C at its warmest, in August, and 15.6 °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 Playa El Tarajal?
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 Playa El Tarajal?
Playa El Tarajal is on the coast of Ceuta, Spain, at 35.8718, -5.3434. The map on this site flies straight to it.