Plage de la Grande Casse
Vendée · France
Rating right now
A april–october beach on the Cantabrian Sea near Vendée, Plage de la Grande Casse is exposed to S swell — SE–W on the forecast is when it lights up, ideally with a N–NE wind.
10-day forecast
Local time · updates hourly
Wave height & period
Wind
| Time | Rating | Waves | Swell | Wind | Air |
|---|---|---|---|---|---|
Water temperature by month
This month: ~18.6°C (65.5°F) on average
Jan
9.9°C
49.8°F · 7.4–12.3°C
Feb
9.3°C
48.7°F · 8–10.9°C
Mar
10.2°C
50.4°F · 7.7–12°C
Apr
12.3°C
54.1°F · 10.8–15.1°C
May
15°C
59°F · 12.1–18.9°C
Jun
17.3°C
63.1°F · 14.2–19.3°C
Jul
19.3°C
66.7°F · 17–22.3°C
Aug
19.8°C
67.6°F · 18.1–24.2°C
Sep
18.6°C
65.5°F · 15.5–20.7°C
Oct
17.2°C
63°F · 14.9–21°C
Nov
14.1°C
57.4°F · 11.8–17°C
Dec
11.4°C
52.5°F · 9.6–13.5°C
25-year monthly averages from the NOAA OISST satellite record — typical range min–max, not a live reading.
Know before you go
Best swell
SE–W
Best wind
N–NE
Break type
Beach break
Best season
April–October
Safety: Friendly by surf standards, but rip currents and drop-in etiquette still apply. Shifting sandbars create moving rip currents — learn to spot them and use them to get out back.
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