Beach
Crni molo
Crikvenica, Croatia · sea 23.6 °C at its warmest, in August

Sea temperature month by month
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020, sampled 25 km offshore, at the nearest open water cell of a 0.25° grid.
About
beach
Wikipedia has no article about this beach yet. It is on the atlas from its Wikidata record and its photograph.
Questions
How warm is the sea at Crni molo?
The sea off Crni molo averages 23.6 °C at its warmest, in August, and 10 °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 Crni molo?
The sea reaches 20 °C or more from June to September. Twenty degrees is where most swimmers stop calling water cold; below it, a wetsuit helps.
Where is Crni molo?
Crni molo is on the coast of Crikvenica, Croatia, at 45.1812, 14.6810. The map on this site flies straight to it.