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Surf Forecasts:
Guethary - Les Alcyons/Avalanche surfForecast / La Cote Basque / France
48hr Weather and Surf, issued 6 pm Sunday 28 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
14.1° 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 10PM is: 0.4m 10s primary swell from a West-northwest direction and 0.3m 12s secondary swell from a West-northwest direction (forecast issued at 06:00pm December 28). The wind direction is predicted to be offshore.
| Time (CET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Dec) | - | - |
| Afternoon (28 Dec) | 1.5ft (0.4m) | 11s |
| Evening (28 Dec) | 1.5ft (0.4m) | 10s |
Table - waves today at Guethary - Les Alcyons/Avalanche. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 31 | |||||||||||||||||||||
| 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 | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 12 | 10 | 12 | 11 | 11 | 11 | 11 | 11 | 14 | 13 | 13 | 13 | 13 | 12 | 18 | 12 | 16 | 16 | 16 | 15 | 15 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 46 | 50 | 40 | 56 | 48 | 47 | 24 | 23 | 41 | 36 | 35 | 35 | 35 | 32 | 31 | 31 | 31 | 52 | 100 | 95 | 86 | 121 | 118 | 111 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | off | off | cross- off | off | cross- off | glass | glass | glass | cross- off | cross | cross | cross- on | on | on | on | on | cross | cross | cross | glass | glass | glass |
High Tide / height (m) | 10:47PM 2.95 | 11:13AM 3.11 | 11:58PM 3.03 | 12:28PM 3.17 | 1:07AM 3.20 | |||||||||||||||||||
Low Tide / height (m) | 4:26PM 0.82 | 4:52AM 0.96 | 5:34PM 0.81 | 6:05AM 0.88 | 6:42PM 0.74 | 7:15AM 0.70 | ||||||||||||||||||
Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 31 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 8:37 | - | - | - | - | - | - | - | 8:37 | - | - | - | - | - | - | - | 8:38 | - |
| Sunset | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - |
 |  |  |  | | |  | | | | | | |  | |  |  | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | 1 | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 12 | 11 | 11 | 11 | 10 | 10 | 12 | 12 | 11 | 11 | 10 | 11 | 11 | 11 | 11 | 10 | 8 | 7 | 4 | 3 | 2 | 2 | 3 |
| Feels °C (?) | 11 | 10 | 9 | 9 | 9 | 8 | 8 | 11 | 10 | 10 | 9 | 8 | 8 | 8 | 9 | 8 | 6 | 5 | 4 | 0 | 0 | -1 | -1 | 0 |
- 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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