Beach
Playa Blanca
Rafael Freyre, Cuba · sea 29.2 °C at its warmest, in September

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
Playa Blanca es un balneario cubano situado en la provincia de Holguín, en la costa norte del país.
Questions
How warm is the sea at Playa Blanca?
The sea off Playa Blanca averages 29.2 °C at its warmest, in September, and 25.5 °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 Blanca?
The sea reaches 20 °C or more from All year. Twenty degrees is where most swimmers stop calling water cold; below it, a wetsuit helps.
Where is Playa Blanca?
Playa Blanca is on the coast of Rafael Freyre, Cuba, at 21.0843, -76.0060. The map on this site flies straight to it.