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Guethary - Les Alcyons/Avalanche Surf Forecast
/ La Cote Basque (36 surf breaks) /
Surf Forecasts:
Guethary - Les Alcyons/Avalanche surfForecast / La Cote Basque / France
48hr Weather and Surf, issued 12 pm Monday 01 Dec 2025 CETForecast update in hr min s Forecast update imminent
Guethary - Les Alcyons/Avalanche surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Guethary - Les Alcyons/Avalanche sea temperature is
14.7° C
(Which is slightly warmer than usual)How big are the waves at Guethary - Les Alcyons/Avalanche today?
The current surf forecast for Guethary - Les Alcyons/Avalanche at 4PM is: 1.3m 10s primary swell from a West-northwest direction (forecast issued at 12:00pm December 01). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (CET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Dec) | 5ft (1.6m) | 10s |
| Afternoon (01 Dec) | 4.5ft (1.3m) | 10s |
| Evening (01 Dec) | 3ft (0.9m) | 10s |
Table - waves today at Guethary - Les Alcyons/Avalanche. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 01 | Tuesday 02 | Wednesday 03 | Thursday 04 | |||||||||||||||||||||
| 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 | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 12 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 520 | 416 | 340 | 267 | 146 | 477 | 799 | 1291 | 1578 | 1906 | 3789 | 3857 | 4443 | 4720 | 6292 | 7528 | 7315 | 6637 | 6377 | 6021 | 6207 | 5433 | 4568 | 3614 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross | cross- off | cross | cross- on | cross | cross- off | cross | on | on | on | on | cross- on | cross- on | cross | cross- off | cross- off | cross |
High Tide / height (m) | 1:01PM 3.34 | 1:37AM 3.35 | 1:58PM 3.56 | 2:28AM 3.61 | 2:52PM 3.74 | 3:17AM 3.82 | ||||||||||||||||||
Low Tide / height (m) | 7:16PM 0.51 | 7:40AM 0.53 | 8:08PM 0.32 | 8:33AM 0.27 | 8:58PM 0.17 | |||||||||||||||||||
Monday 01 | Tuesday 02 | Wednesday 03 | Thursday 04 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | - | 8:18 | - | - | - | - | - | - | - | 8:19 | - | - | - | - | - | - | - |
| Sunset | - | - | 5:30 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - |
 |  |  |  | |  | |  |  | |  | | | | | | | | |  | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | 1 | 2 | - | 1 | - | - | - | 4 | 4 | 2 | 2 | 2 | 3 | 2 | - | - | - |
| Temp. °C | 7 | 11 | 13 | 10 | 10 | 11 | 10 | 9 | 9 | 11 | 12 | 10 | 8 | 8 | 9 | 10 | 12 | 12 | 11 | 11 | 11 | 10 | 8 | 9 |
| Feels °C (?) | 3 | 8 | 10 | 6 | 5 | 5 | 6 | 5 | 5 | 8 | 8 | 7 | 5 | 5 | 5 | 5 | 6 | 7 | 6 | 7 | 8 | 7 | 3 | 5 |
- 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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