Beach
Long Sands
Kingswear, United Kingdom · sea 16.5 °C at its warmest, in August

Sea temperature month by month
10.1Jan
9.2Feb
8.9Mar
9.8Apr
11.5May
13.7Jun
15.6Jul
16.5Aug
16.4Sep
15.5Oct
13.5Nov
11.5Dec
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020.
About
beach in Devon, England
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 Long Sands?
The sea off Long Sands averages 16.5 °C at its warmest, in August, and 8.9 °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 Long Sands?
The sea here never averages 20 °C in any month, so swimming means cold water all year. Some people do it anyway.
Where is Long Sands?
Long Sands is on the coast of Kingswear, United Kingdom, at 50.3611, -3.5200. The map on this site flies straight to it.