Beach
Praia do Portinho da Areia Sul
Peniche, Portugal · sea 18.6 °C at its warmest, in August

Sea temperature month by month
14.7Jan
14.1Feb
14.2Mar
14.9Apr
16May
17.5Jun
18.2Jul
18.6Aug
18.6Sep
17.8Oct
16.7Nov
15.4Dec
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 Praia do Portinho da Areia Sul?
The sea off Praia do Portinho da Areia Sul averages 18.6 °C at its warmest, in August, and 14.1 °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 Praia do Portinho da Areia Sul?
The sea here never averages 20 °C in any month, so swimming means cold water all year. Some people do it anyway.
Where is Praia do Portinho da Areia Sul?
Praia do Portinho da Areia Sul is on the coast of Peniche, Portugal, at 39.3537, -9.3888. The map on this site flies straight to it.