Black sand
Punta Blanca
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 22 km offshore, at the nearest open water cell of a 0.25° grid.
About
La playa Punta Blanca está situada en el municipio español de Ceuta, en la ciudad autónoma homónima. Esta playa está situada fuera del casco urbano de Ceuta.
Questions
How warm is the sea at Punta Blanca?
The sea off Punta Blanca 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 Punta Blanca?
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 Punta Blanca?
Punta Blanca is on the coast of Ceuta, Spain, at 35.9154, -5.3632. The map on this site flies straight to it.