Beach
Inland Sea Beach
Al Wakrah, Qatar · sea 34.1 °C at its warmest, in August

Sea temperature month by month
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020, sampled 21 km offshore, at the nearest open water cell of a 0.25° grid.
About
beach in Qatar
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 Inland Sea Beach?
The sea off Inland Sea Beach averages 34.1 °C at its warmest, in August, and 19.3 °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 Inland Sea Beach?
The sea reaches 20 °C or more from March to December. Twenty degrees is where most swimmers stop calling water cold; below it, a wetsuit helps.
Where is Inland Sea Beach?
Inland Sea Beach is on the coast of Al Wakrah, Qatar, at 24.6520, 51.4236. The map on this site flies straight to it.