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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 1 pm Sunday 12 Apr 2026 CESTForecast 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
15.3° C
(Which is 2.6°C warmer than normal for this time of year)How big are the waves at Guethary - Les Alcyons/Avalanche today?
The current surf forecast for Guethary - Les Alcyons/Avalanche at 5PM is: 4.0m 15s primary swell from a Northwest direction (forecast issued at 01:00pm April 12). The wind direction is predicted to be glassy and the swell rating is 7.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Apr) | 11ft (3.5m) | 15s |
| Afternoon (12 Apr) | 13ft (4.0m) | 15s |
| Evening (12 Apr) | 13ft (4.0m) | 15s |
Table - waves today at Guethary - Les Alcyons/Avalanche. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | |||||||||||||||||||||
| 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 6125 | 6304 | 6137 | 6221 | 6304 | 5924 | 5358 | 5212 | 4464 | 3576 | 2959 | 2456 | 2013 | 1486 | 1220 | 1042 | 792 | 644 | 544 | 515 | 408 | 400 | 310 | 340 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | glass | on | on | on | on | on | on | on | on | on | glass | cross- off | cross- off | off | glass | cross- on | cross- on | cross- on | glass | glass | cross- off | glass |
High Tide / height (m) | 1:58PM 2.65 | 2:14AM 2.94 | 2:48PM 2.92 | 3:01AM 3.23 | 3:29PM 3.22 | 3:41AM 3.53 | ||||||||||||||||||
Low Tide / height (m) | 7:54PM 1.23 | 8:30AM 0.94 | 8:44PM 0.94 | 9:13AM 0.62 | 9:26PM 0.64 | |||||||||||||||||||
Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 7:28 | - | - | - | - | - | - | - | 7:26 | - | - | - | - | - | - | - | 7:24 |
| Sunset | - | - | - | 8:45 | - | - | - | - | - | - | - | 8:45 | - | - | - | - | - | - | - | 8:46 | - | - | - | - |
 | | | |  |  | |  | | |  | |  | | | |  | | | | | | | | |
Rain (mm) | - | - | - | - | - | 1 | 2 | 2 | 2 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 7 | 8 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 12 | 12 | 12 | 11 | 9 | 9 | 8 | 11 | 14 | 14 | 14 | 12 | 12 | 11 | 11 |
| Feels °C (?) | 5 | 6 | 8 | 8 | 8 | 6 | 5 | 5 | 6 | 7 | 7 | 9 | 10 | 7 | 7 | 5 | 9 | 11 | 11 | 12 | 10 | 10 | 9 | 9 |
- 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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