Le Grand Sable
Seine-Maritime · France
Rating right now
Le Grand Sable is a N-facing sand beach on the Irish Sea coastline near Seine-Maritime — it picks up NW–NE swell and turns cleanest in a SE–SW wind, with the most consistent surf through april–october.
Today's surf at Le Grand Sable
Updated 02:30 spot time
Le Grand Sable surf report for Thursday 1 Oct: waves 0.5 m–1.0 m chest to head high, 0.7 m W swell at 4.9 s. Wind up to 19 km/h W. Water 20°C. Best surf window around 17:00 — fun (2.5/5) with 17 km/h W 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: ~16.4°C (61.5°F) on average
Jan
8.6°C
47.5°F · 6.6–10.6°C
Feb
7.9°C
46.2°F · 6.4–9.4°C
Mar
8°C
46.4°F · 5.7–9.4°C
Apr
9.6°C
49.3°F · 8.3–11.7°C
May
11.9°C
53.4°F · 9.9–14.5°C
Jun
14.7°C
58.5°F · 13.2–17.1°C
Jul
17.1°C
62.8°F · 15.7–19.1°C
Aug
18.4°C
65.1°F · 17.3–20.2°C
Sep
18.2°C
64.8°F · 16.2–20.7°C
Oct
16.4°C
61.5°F · 14.3–18.9°C
Nov
13.3°C
55.9°F · 10.4–16.1°C
Dec
10.6°C
51.1°F · 8.7–12°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
NW–NE
Best wind
SE–SW
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.
Nearby spots
L'Escamet
Seine-Maritime · France
Plage du petit-Ailly
Seine-Maritime · France
Dieppe - plage de la piscine
Seine-Maritime · France
Puys Beach
Seine-Maritime · France
plage des Petites Dalles
Seine-Maritime · France
Yport
Seine-Maritime · France
More beaches in Seine-Maritime →see all spots in Seine-Maritime, France
New to reading forecasts?
Two short guides that make the numbers above make sense.