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Surf Forecasts:
Les Roches Blanches surfForecast / Brittany – Finistere / France
48hr Weather and Surf, issued 6 am Friday 19 Dec 2025 CETForecast update in hr min s Forecast update imminent
Les Roches Blanches surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Les Roches Blanches sea temperature is
12.2° C
(Which is normal for this time of year)How big are the waves at Les Roches Blanches today?
The current surf forecast for Les Roches Blanches at 8AM is: 5.0m 18s primary swell from a West direction and 1.4m 10s secondary swell from a Southwest direction (forecast issued at 06:00am December 19). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (CET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Dec) | 16ft (5.0m) | 18s |
| Afternoon (19 Dec) | 16ft (5.0m) | 17s |
| Evening (19 Dec) | 15ft (4.5m) | 17s |
Table - waves today at Les Roches Blanches. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 19 | Saturday 20 | Sunday 21 | Mon 22 | |||||||||||||||||||||
| 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 18 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 14922 | 14153 | 13994 | 15018 | 14090 | 12814 | 9751 | 7450 | 5549 | 3966 | 3388 | 1590 | 3870 | 3400 | 3140 | 3094 | 7847 | 9612 | 9844 | 10023 | 9921 | 9653 | 8655 | 7163 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | cross- off | off | off | cross- off | cross- off | off | cross- off | cross- off |
High Tide / height (m) | 3:47AM 4.11 | 4:06PM 4.01 | 4:22AM 4.23 | 4:41PM 4.08 | 4:57AM 4.31 | 5:15PM 4.11 | ||||||||||||||||||
Low Tide / height (m) | 10:14AM 0.74 | 10:27PM 0.73 | 10:51AM 0.65 | 11:02PM 0.67 | 11:26AM 0.61 | 11:37PM 0.65 | ||||||||||||||||||
Friday 19 | Saturday 20 | Sunday 21 | Mon 22 | |||||||||||||||||||||
| Sunrise | - | - | 9:03 | - | - | - | - | - | - | - | 9:03 | - | - | - | - | - | - | - | 9:03 | - | - | - | - | - |
| Sunset | - | - | - | - | 5:24 | - | - | - | - | - | - | - | 5:24 | - | - | - | - | - | - | - | 5:24 | - | - | - |
 |  |  |  | |  | | | | |  | |  | | |  | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | 1 | 2 | - | - | - | - | - | - | - |
| Temp. °C | 11 | 11 | 11 | 12 | 12 | 11 | 10 | 10 | 9 | 8 | 9 | 11 | 10 | 9 | 9 | 8 | 8 | 8 | 7 | 10 | 9 | 8 | 7 | 7 |
| Feels °C (?) | 7 | 7 | 7 | 8 | 9 | 8 | 7 | 7 | 5 | 3 | 3 | 4 | 4 | 3 | 5 | 4 | 4 | 3 | 3 | 5 | 5 | 5 | 4 | 4 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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