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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 7 am Thursday 09 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
14.6° C
(Which is 1.9°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 11AM is: 1.9m 13s primary swell from a Northwest direction (forecast issued at 07:00am April 09). The wind direction is predicted to be cross-onshore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Apr) | 6ft (1.9m) | 13s |
| Afternoon (09 Apr) | 6ft (1.8m) | 13s |
| Evening (09 Apr) | 5ft (1.6m) | 12s |
Table - waves today at Guethary - Les Alcyons/Avalanche. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 09 | Friday 10 | Saturday 11 | Sun 12 | |||||||||||||||||||||
| 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 | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 14 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1688 | 1327 | 1182 | 1164 | 966 | 785 | 625 | 505 | 440 | 320 | 422 | 930 | 2491 | 2606 | 2686 | 2521 | 2220 | 1914 | 1637 | 1387 | 1218 | 1637 | 4957 | 5785 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | glass | cross | cross- off | cross- off | off | cross- off | cross- on | cross- on | cross- on | on | on | cross- on | glass | off |
High Tide / height (m) | 9:37AM 2.61 | 10:06PM 2.67 | 10:56AM 2.44 | 11:38PM 2.58 | 12:41PM 2.46 | 1:12AM 2.69 | ||||||||||||||||||
Low Tide / height (m) | 3:32AM 1.21 | 3:50PM 1.37 | 4:43AM 1.39 | 5:11PM 1.50 | 6:17AM 1.41 | 6:45PM 1.44 | ||||||||||||||||||
Thursday 09 | Friday 10 | Saturday 11 | Sun 12 | |||||||||||||||||||||
| Sunrise | - | 7:35 | - | - | - | - | - | - | - | 7:33 | - | - | - | - | - | - | - | 7:31 | - | - | - | - | - | - |
| Sunset | - | - | - | - | - | 8:40 | - | - | - | - | - | - | - | 8:42 | - | - | - | - | - | - | - | 8:44 | - | - |
 |  | |  | | | | |  |  | | | | | | |  | | |  | |  |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 3 | 6 | 3 | 1 |
| Temp. °C | 15 | 14 | 16 | 17 | 16 | 15 | 13 | 13 | 12 | 12 | 15 | 19 | 24 | 23 | 21 | 21 | 13 | 13 | 13 | 11 | 9 | 8 | 8 | 7 |
| Feels °C (?) | 14 | 12 | 14 | 15 | 14 | 13 | 11 | 11 | 10 | 11 | 15 | 18 | 22 | 22 | 19 | 18 | 10 | 9 | 10 | 6 | 5 | 5 | 6 | 4 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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