France · Martinique

Sea temperature at Anse Cosmy : Milieu Plage

30°C

Warm and pleasant for swimming

Updated hourly from the live marine forecast. See the 12-month typical range and, where available, real measured readings further down the page.

7-day outlook

7-day sea temperature forecast from Open-Meteo, refreshed hourly.

Sea temperature

Next 7 days, °C

30°30°30°30°31°30.4 °CWed 2Thu 3Fri 4Sat 5Sun 6Mon 7Tue 8
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7-day sea temperature forecast for Anse Cosmy : Milieu Plage
DaySea temp (°C)
Wed 230.0
Thu 330.2
Fri 430.3
Sat 530.4
Sun 630.5
Mon 730.5
Tue 830.4

Sea temperature by month

Modeled climatology derived from latitude and season.

Typical vs. measured sea temperature

12-month view, °C — modeled line vs. measured sample averages

20°22°25°28°30°JanFebMarAprMayJunJulAugSepOctNovDec
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Modeled vs. measured monthly sea temperature at Anse Cosmy : Milieu Plage
MonthModeled (°C)Measured avg. (°C)
Jan21
Feb21
Mar21
Apr23
May24
Jun27
Jul28
Aug29
Sep28
Oct27
Nov24
Dec23

No measured in-season sea temperature has been published for Anse Cosmy : Milieu Plage yet — the chart above shows the modeled climatology only. Some countries (Croatia, via IZOR) also record the sea temperature at each official water sample; check the water quality page for this beach's sampling status.

ExcellentOfficial 2025 EU bathing water rating for Anse Cosmy : Milieu Plage. See the full water quality history →

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Frequently asked questions

Is the sea warm at Anse Cosmy : Milieu Plage today?

Anse Cosmy : Milieu Plage's sea temperature is currently around 30°C, based on the most recent hourly reading. See the 7-day chart above for the short-term trend and the monthly chart further down for the seasonal typical. That's the reading right off Martinique.

Which month has the warmest sea at Anse Cosmy : Milieu Plage?

Aim for April–December — the modeled water temperature typically clears 22°C in that window, the rule of thumb for comfortably warm swimming, with August usually the peak. That applies to the water around Martinique.

Is the sea temperature chart above measured or estimated?

Not currently for Anse Cosmy : Milieu Plage — the chart above is a modeled estimate based on latitude and season rather than a measured average. A few countries (Croatia, via IZOR) do publish the sea temperature taken at each official water sample, and that's plotted alongside the modeled curve when it exists.