Average sea temperature by month
Location
Algarve
Portugal
Best month
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Sea temperature guide — Praia da Marinha
The sea temperature at Praia da Marinha in November is typically around 18.6°C. The water is cool — a wetsuit is recommended for longer swims.
Jan
15.0°C
Cold
Feb
14.2°C
Cold
Mar
15.1°C
Cold
Apr
16.5°C
Cold
May
17.2°C
Brave
Jun
20.0°C
Nice
Jul
20.4°C
Nice
Aug
19.3°C
Brave
Sep
21.5°C
Nice
Oct
21.2°C
Nice
Nov
18.6°C
Brave
Dec
16.1°C
Cold
When is the best time to swim at Praia da Marinha?
The warmest month at Praia da Marinha is September,
with an average sea temperature of 21.5°C.
The water is comfortable for most swimmers.
Is the sea warm enough to swim at Praia da Marinha in November?
The average sea temperature at Praia da Marinha in November is 18.6°C.
The water is cool — a wetsuit is recommended for longer swims.
What is the sea temperature at Praia da Marinha today?
The current sea temperature at Praia da Marinha, Algarve is updated daily
using satellite observations from the Copernicus Marine Service.
Check the live reading at the top of this page for today's exact temperature.
Heading out onto the water?
Explore boat trips, surfing guides, snorkeling tours, and coastal excursions around Algarve.
See the full ocean picture.
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