Grande Plage du Sillon
Finistère · France
Rating right now
Grande Plage du Sillon is a NE-facing sand beach on the Celtic Sea coastline near Finistère — it picks up N–E swell and turns cleanest in a S–W wind, with the most consistent surf through april–october.
Today's surf at Grande Plage du Sillon
Updated 05:06 spot time
Grande Plage du Sillon surf report for Thursday 1 Oct: waves 2.0 m–2.5 m double overhead+, 2.0 m WSW swell at 7.65 s. Wind up to 19 km/h WSW. Water 18°C. Best surf window around 09:00 — good (3.5/5) with 3 km/h WSW wind.
Snapshot refreshed hourly — the live hourly forecast below updates in real time.
10-day forecast
Local time · updates hourly
Wave height & period
Wind
| Time | Rating | Waves | Swell | Wind | Air |
|---|---|---|---|---|---|
Water temperature by month
This month: ~16°C (60.8°F) on average
Jan
10.9°C
51.6°F · 9.6–12.8°C
Feb
10.1°C
50.2°F · 8.5–11.8°C
Mar
10.2°C
50.4°F · 8.6–11.7°C
Apr
11.6°C
52.9°F · 9.6–14.2°C
May
13.8°C
56.8°F · 11.7–17.8°C
Jun
16.1°C
61°F · 13.8–18.3°C
Jul
17.5°C
63.5°F · 14.3–21.1°C
Aug
17.6°C
63.7°F · 14.8–20.4°C
Sep
17.1°C
62.8°F · 14.8–18.5°C
Oct
16°C
60.8°F · 13.9–18.4°C
Nov
14.1°C
57.4°F · 12.5–16°C
Dec
12.3°C
54.1°F · 10.9–14.1°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
N–E
Best wind
S–W
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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