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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 Thursday 21 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 slightly warmer than usual)How big are the waves at Guethary - Les Alcyons/Avalanche today?
The current surf forecast for Guethary - Les Alcyons/Avalanche at 1AM is: 1.0m 11s primary swell from a West-northwest direction (forecast issued at 07:00pm May 21). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | 3.5ft (1.0m) | 11s |
| Afternoon (22 May) | 3.5ft (1.0m) | 11s |
| Evening (22 May) | 3ft (0.9m) | 12s |
Table - waves today at Guethary - Les Alcyons/Avalanche. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 32°C on Fri afternoon, min 16°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 11 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | |
500 | 429 | 313 | 247 | 226 | 222 | 218 | 210 | 226 | 193 | 183 | 170 | 121 | 117 | 119 | 91 | 90 | 83 | 82 | 110 | 90 | 90 | 86 | 80 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | off | cross | cross | off | cross-off | cross-off | cross-off | cross-off | off | cross-on | cross | glassy | on | cross-on | cross-on | cross-on | glassy | cross | glassy | glassy | glassy | cross-on | |
High Tide | 9:12PM3.53m | 9:54AM3.09m | 10:18PM3.34m | 11:05AM2.94m | 11:29PM3.20m | 12:17PM2.89m | ||||||||||||||||||
Low Tide | 2:44PM0.62m | 3:28AM0.53m | 3:46PM0.83m | 4:36AM0.72m | 4:55PM0.97m | 5:48AM0.83m | ||||||||||||||||||
 | |  | |  |  | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:33 | — | — | — |
 | — | 9:29 | — | — | — | — | — | — | — | 9:30 | — | — | — | — | — | — | — | 9:30 | — | — | — | — | — | 9:31 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 32 | 29 | 27 | 23 | 19 | 21 | 27 | 32 | 32 | 30 | 28 | 16 | 16 | 17 | 20 | 22 | 23 | 23 | 21 | 17 | 17 | 18 | 24 | 28 |
32 | 30 | 28 | 23 | 18 | 21 | 27 | 31 | 30 | 29 | 28 | 13 | 15 | 18 | 20 | 22 | 24 | 24 | 23 | 16 | 18 | 19 | 26 | 29 | |
Swell 1 Height (m) Direction Period (s) | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 11 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 5 | WNW 6 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 11 | WNW 11 | WNW 10 | WNW 10 |
 kJ | 500 | 429 | 313 | 247 | 226 | 222 | 218 | 210 | 226 | 193 | 183 | 170 | 121 | 35 | 42 | 91 | 90 | 83 | 82 | 110 | 90 | 90 | 86 | 80 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 11 | WNW 11 | WNW 5 | WNW 5 | WNW 5 | WNW 4 | — | — | WNW 4 | WNW 4 | N 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 117 | 119 | 23 | 8 | 4 | 4 | — | — | 4 | 2 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | N 4 | N 4 | WNW 3 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | W 4 | — | — | — | — | — | — | — | WNW 3 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 10 | — | — | — | — | — | — | — | 4 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 10 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 49 | 13 | 0 | 122 | 87 | 87 | 34 | 1 | 13 | 1 | 1 | 1 | 6 |
Best forecast wave conditions in La Cote Basque | ||||||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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