Beach
Green Island Beach
Jersey · sea 17.9 °C at its warmest, in August

Sea temperature month by month
9.5Jan
8.7Feb
8.7Mar
10.1Apr
12May
14.5Jun
16.6Jul
17.9Aug
17.5Sep
15.9Oct
13.5Nov
11.2Dec
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020.
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 Green Island Beach?
The sea off Green Island Beach averages 17.9 °C at its warmest, in August, and 8.7 °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 Green Island Beach?
The sea here never averages 20 °C in any month, so swimming means cold water all year. Some people do it anyway.
Where is Green Island Beach?
Green Island Beach is on the coast of Jersey, at 49.1633, -2.0752. The map on this site flies straight to it.
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