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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 Thursday 04 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
14.9° C
(Which is 1.0°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 6PM is: 4.0m 13s primary swell from a Northwest direction (forecast issued at 12:00pm December 04). The wind direction is predicted to be cross-shore.
| Time (CET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Dec) | 11ft (3.5m) | 14s |
| Afternoon (04 Dec) | 13ft (4.0m) | 13s |
| Evening (04 Dec) | 13ft (4.0m) | 12s |
Table - waves today at Guethary - Les Alcyons/Avalanche. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 04 | Friday 05 | Saturday 06 | Sunday 07 | |||||||||||||||||||||
| 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) (?) | 13 | 13 | 13 | 12 | 13 | 12 | 13 | 13 | 13 | 14 | 15 | 15 | 16 | 16 | 15 | 13 | 13 | 14 | 15 | 15 | 16 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 5014 | 5490 | 5329 | 4488 | 4635 | 4742 | 4769 | 4862 | 5168 | 5483 | 5785 | 5656 | 5201 | 4772 | 4822 | 3668 | 3912 | 5069 | 7139 | 9033 | 9641 | 9161 | 7916 | 6970 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross | cross | cross- on | cross- on | on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | glass | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 3:43PM 3.86 | 4:05AM 3.97 | 4:34PM 3.89 | 4:53AM 4.03 | 5:24PM 3.82 | 5:42AM 4.00 | ||||||||||||||||||
Low Tide / height (m) | 9:23AM 0.06 | 9:46PM 0.09 | 10:13AM -0.07 | 10:33PM 0.08 | 11:03AM -0.10 | 11:21PM 0.15 | ||||||||||||||||||
Thursday 04 | Friday 05 | Saturday 06 | Sunday 07 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | - | 8:22 | - | - | - | - | - | - | - | 8:22 | - | - | - | - | - | - | - |
| Sunset | - | - | 5:30 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - |
 |  | |  |  | | | | |  | |  | |  |  | | |  | | | | | | | |
Rain (mm) | 9 | 4 | 4 | 3 | 7 | 7 | 2 | 3 | 4 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 11 | 11 | 10 | 11 | 11 | 11 | 9 | 8 | 10 | 11 | 12 | 13 | 13 | 13 | 14 | 14 | 15 | 15 | 14 | 16 | 16 | 16 | 15 |
| Feels °C (?) | 6 | 5 | 6 | 5 | 5 | 5 | 6 | 6 | 5 | 7 | 8 | 8 | 10 | 10 | 9 | 11 | 13 | 14 | 16 | 13 | 14 | 14 | 14 | 13 |
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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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