Beach
Hilton Beach, Tel Aviv
Tel Aviv, Israel · sea 28.1 °C at its warmest, in August

Sea temperature month by month
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020, sampled 14 km offshore, at the nearest open water cell of a 0.25° grid.
About
beach in Tel Aviv, Israel
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 Hilton Beach, Tel Aviv?
The sea off Hilton Beach, Tel Aviv averages 28.1 °C at its warmest, in August, and 17.5 °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 Hilton Beach, Tel Aviv?
The sea reaches 20 °C or more from May to December. Twenty degrees is where most swimmers stop calling water cold; below it, a wetsuit helps.
Where is Hilton Beach, Tel Aviv?
Hilton Beach, Tel Aviv is on the coast of Tel Aviv, Israel, at 32.0905, 34.7692. The map on this site flies straight to it.