Plage de Castouillet
Loire-Atlantique · France
Rating right now
A april–october beach on the Cantabrian Sea near Loire-Atlantique, Plage de Castouillet is exposed to NW swell — W–N on the forecast is when it lights up, ideally with a E–S wind.
10-day forecast
Local time · updates hourly
Wave height & period
Wind
| Time | Rating | Waves | Swell | Wind | Air |
|---|---|---|---|---|---|
Water temperature by month
This month: ~17.4°C (63.3°F) on average
Jan
9.7°C
49.5°F · 6.2–11.8°C
Feb
9.2°C
48.6°F · 7.4–11.1°C
Mar
9.8°C
49.6°F · 7.3–11.6°C
Apr
11.9°C
53.4°F · 10–15°C
May
14.4°C
57.9°F · 11.8–17.5°C
Jun
16.5°C
61.7°F · 15–18°C
Jul
18°C
64.4°F · 14.6–21°C
Aug
18.3°C
64.9°F · 16.8–21.5°C
Sep
17.4°C
63.3°F · 14.9–19.5°C
Oct
16.1°C
61°F · 14.4–19°C
Nov
13.7°C
56.7°F · 11.5–15.9°C
Dec
11.3°C
52.3°F · 10–12.8°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
W–N
Best wind
E–S
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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More beaches in Loire-Atlantique →see all spots in Loire-Atlantique, France
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