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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 am Thursday 26 Mar 2026 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
13.6° 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 8AM is: 3.5m 13s primary swell from a Northwest direction (forecast issued at 12:00am March 26). The wind direction is predicted to be cross-onshore.
| Time (CET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Mar) | 11ft (3.5m) | 13s |
| Afternoon (26 Mar) | 10ft (3.0m) | 13s |
| Evening (26 Mar) | 8ft (2.5m) | 12s |
Table - waves today at Guethary - Les Alcyons/Avalanche. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 26 | Friday 27 | Saturday 28 | ||||||||||||||||||||||
| 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 | 10 AM | 1 PM | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 21 | 20 | 18 | 18 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4292 | 4445 | 4041 | 3876 | 3506 | 3065 | 2530 | 2032 | 1860 | 1632 | 1422 | 1271 | 1189 | 1013 | 855 | 778 | 710 | 594 | 548 | 989 | 1356 | 1925 | 2109 | 2545 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | cross- on | cross- on | cross | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross | cross- on | cross- on | cross- on | cross | cross- off | cross- off | glass | glass | on | cross- on | cross- on |
High Tide / height (m) | 9:27PM 3.04 | 10:25AM 2.77 | 11:04PM 2.91 | 12:09PM 2.75 | 12:40AM 3.02 | 1:30PM 2.93 | ||||||||||||||||||
Low Tide / height (m) | 3:50AM 0.97 | 4:24PM 1.22 | 5:28AM 1.06 | 6:02PM 1.21 | 6:58AM 0.92 | |||||||||||||||||||
Thursday 26 | Friday 27 | Saturday 28 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:00 | - | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 6:56 | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 7:24 | - | - | - | - | - | - | - | 7:25 | - | - | - | - | - | - | - | 7:27 |
 |  | |  |  | |  | |  | | | | | | | |  | | | |  | |  | | |
Rain (mm) | 1 | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | 1 | 1 |
| Temp. °C | 11 | 10 | 10 | 10 | 9 | 11 | 11 | 10 | 10 | 9 | 7 | 7 | 8 | 10 | 10 | 10 | 10 | 8 | 7 | 6 | 7 | 10 | 11 | 11 |
| Feels °C (?) | 5 | 4 | 4 | 4 | 5 | 6 | 6 | 4 | 5 | 6 | 4 | 4 | 5 | 5 | 4 | 5 | 6 | 4 | 4 | 4 | 5 | 7 | 5 | 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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