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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 Sunday 10 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
16.8° 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 12AM is: 0.4m 10s primary swell from a Northwest direction and 0.3m 11s secondary swell from a West-northwest direction, 0.3m 2s secondary swell from a Southwest direction (forecast issued at 07:00pm May 10). The wind direction is predicted to be cross-offshore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | - | - |
| Afternoon (11 May) | 1.5ft (0.4m) | 11s |
| Evening (11 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 14mm), heaviest on Sun night. Very mild (max 17°C on Mon morning, min 13°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 10 | Monday 11 | Tuesday 12 | Wed 13 | |||||||||||||||||||||
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 | NW 11 | NW 11 | NW 10 | NW 10 | NNW 10 | NW 10 | NW 10 | NW 10 | NNW 9 | NNW 9 | NW 9 | NW 8 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 8 | NNW 8 | NNW 6 | NNW 5 | NNW 5 | NW 5 | NW 4 | |
30 | 30 | 23 | 34 | 46 | 64 | 96 | 94 | 73 | 58 | 55 | 62 | 60 | 38 | 38 | 43 | 42 | 58 | 71 | 34 | 33 | 25 | 28 | 29 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | off | cross-off | cross | cross | cross-off | cross-on | on | on | cross-on | cross-on | cross | glassy | glassy | glassy | cross-on | on | on | on | on | cross-on | on | cross-on | cross-on | |
High Tide | 00:07AM2.83m | 12:54PM2.72m | 1:13AM2.99m | 1:53PM2.94m | 2:08AM3.22m | |||||||||||||||||||
Low Tide | 5:46PM1.30m | 6:35AM1.09m | 6:55PM1.17m | 7:34AM0.88m | 7:53PM0.94m | 8:25AM0.62m | ||||||||||||||||||
 |  |  | | |  | |  | | | | | |  | | | | |  |  | | | | | |
 | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — | — |
 | — | 9:16 | — | — | — | — | — | — | — | 9:19 | — | — | — | — | — | — | — | 9:20 | — | — | — | — | — | 9:21 |
3 | 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | |
Temp °C | 16 | 14 | 14 | 14 | 13 | 13 | 17 | 17 | 17 | 16 | 15 | 14 | 13 | 13 | 15 | 16 | 16 | 15 | 14 | 14 | 14 | 14 | 14 | 15 |
13 | 12 | 11 | 11 | 11 | 11 | 14 | 15 | 15 | 15 | 14 | 13 | 12 | 13 | 15 | 14 | 14 | 12 | 11 | 12 | 12 | 12 | 10 | 11 | |
Swell 1 Height (m) Direction Period (s) | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NNW 10 | NW 10 | NW 10 | NW 10 | NNW 9 | NNW 9 | NW 9 | NW 8 | NNW 7 | NNW 7 | NW 8 | NW 8 | W 14 | NW 13 | NNW 6 | NNW 5 | NNW 5 | NNW 11 | NNW 11 |
 kJ | 30 | 30 | 18 | 34 | 46 | 64 | 96 | 94 | 73 | 58 | 55 | 62 | 60 | 38 | 38 | 11 | 11 | 4 | 7 | 34 | 33 | 25 | 12 | 11 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | WNW 8 | WNW 11 | WNW 11 | WNW 5 | WNW 5 | WNW 10 | WNW 10 | WNW 10 | W 10 | W 10 | W 10 | — | NW 8 | NW 8 | — | — | — | — | N 5 | NW 7 | NW 12 | — | NW 13 |
| kJ | 6 | 7 | 23 | 22 | 7 | 8 | 10 | 10 | 10 | 2 | 2 | 2 | — | 30 | 18 | — | — | — | — | 1 | 8 | 6 | — | 6 |
Swell 3 Height (m) Direction Period (s) | NNW 8 | NW 9 | WNW 8 | WNW 8 | WNW 11 | WNW 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 13 | NW 12 | W 9 | — | — |
| kJ | 7 | 12 | 6 | 6 | 11 | 20 | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 6 | 2 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SW 2 | WSW 3 | — | — | — | — | — | — | — | — | — | — | — | NNW 7 | NNW 7 | NNW 8 | NNW 8 | — | — | — | NW 5 | NW 4 |
| kJ | — | — | 1 | 3 | — | — | — | — | — | — | — | — | — | — | — | 43 | 42 | 58 | 71 | — | — | — | 28 | 29 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 47 | 1 | 1 | 17 | 17 | 1 | 60 | 147 | 53 | 35 | 17 | 17 | 1 | 1 | 1 | 87 | 87 | 222 | 196 | 313 | 304 | 324 | 220 | 337 |
Best forecast wave conditions in La Cote Basque | ||||||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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