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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 pm Saturday 09 May 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
16.7° C
(Which is 2.1°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 3AM is: 0.4m 12s primary swell from a West-northwest direction and 0.4m 10s secondary swell from a Northwest direction (forecast issued at 07:00pm May 09). The wind direction is predicted to be cross-offshore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | 1.5ft (0.4m) | 11s |
| Afternoon (10 May) | 1ft (0.3m) | 11s |
| Evening (10 May) | 1.5ft (0.4m) | 11s |
Table - waves today at Guethary - Les Alcyons/Avalanche. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 10mm), heaviest on Sun night. Warm (max 21°C on Sun afternoon, min 12°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 9 | Sunday 10 | Monday 11 | Tue 12 | |||||||||||||||||||||
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 | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NNW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NNW 9 | NW 9 | NW 8 | NNW 8 | NNW 7 | |
61 | 58 | 57 | 56 | 55 | 53 | 48 | 40 | 30 | 30 | 23 | 25 | 46 | 46 | 64 | 59 | 45 | 43 | 41 | 55 | 64 | 69 | 72 | 66 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-off | cross-off | cross | cross-off | cross-off | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-off | cross-off | glassy | cross-on | |
High Tide | 10:55PM2.78m | 11:43AM2.59m | 00:07AM2.83m | 12:54PM2.72m | 1:13AM2.99m | 1:53PM2.94m | ||||||||||||||||||
Low Tide | 4:32PM1.32m | 5:26AM1.21m | 5:46PM1.30m | 6:35AM1.09m | 6:55PM1.17m | 7:34AM0.88m | ||||||||||||||||||
 |  |  |  |  |  |  | |  |  | |  | | | | | | | | | | | | | |
 | — | — | — | — | 6:48 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:46 | — | — | — |
 | — | 9:15 | — | — | — | — | — | — | — | 9:16 | — | — | — | — | — | — | — | 9:19 | — | — | — | — | — | 9:20 |
— | 1 | 1 | — | — | — | — | — | 2 | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 22 | 20 | 18 | 16 | 14 | 15 | 19 | 21 | 15 | 14 | 14 | 13 | 12 | 12 | 17 | 17 | 16 | 16 | 14 | 14 | 13 | 13 | 15 | 16 |
22 | 20 | 17 | 15 | 12 | 12 | 16 | 19 | 11 | 12 | 11 | 10 | 10 | 10 | 14 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 14 | 15 | |
Swell 1 Height (m) Direction Period (s) | NW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NNW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NNW 9 | NW 9 | NW 8 | NNW 8 | NNW 7 |
 kJ | 60 | 58 | 57 | 56 | 55 | 53 | 48 | 40 | 30 | 30 | 18 | 25 | 46 | 46 | 64 | 59 | 45 | 43 | 41 | 55 | 64 | 69 | 72 | 66 |
Swell 2 Height (m) Direction Period (s) | WNW 12 | NNW 11 | NW 10 | NW 10 | NW 10 | NW 8 | NW 8 | NW 8 | WNW 8 | WNW 8 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | W 10 | W 10 | WNW 6 | — | — | — | — |
| kJ | 61 | 46 | 27 | 24 | 14 | 11 | 11 | 11 | 6 | 7 | 23 | 22 | 11 | 20 | 10 | 10 | 10 | 2 | 2 | 3 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | NW 7 | NW 7 | NW 7 | NW 7 | NNW 7 | — | — | WSW 4 | NW 7 | NNW 8 | WNW 8 | WNW 8 | WNW 8 | — | — | — | — | — | — | W 10 | — | — | — | — |
| kJ | 8 | 8 | 8 | 7 | 5 | — | — | 1 | 2 | 6 | 6 | 6 | 6 | — | — | — | — | — | — | 2 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SSW 2 | SSW 3 | SW 3 | — | W 4 | — | — | SW 3 | W 5 | WNW 5 | WSW 2 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 1 | 3 | 3 | — | 1 | — | — | 1 | 8 | 8 | 1 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 1 | 1 | 1 | 17 | 3 | 17 | 197 | 1 | 1 | 17 | 2 | 1 | 43 | 147 | 196 | 175 | 31 | 17 | 2 | 2 | 1 | 87 |
Best forecast wave conditions in La Cote Basque | ||||||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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