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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 am Monday 25 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
18.7° C
(Which is 2.2°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 2PM is: 0.4m 16s primary swell from a Northwest direction and 0.5m 9s secondary swell from a West-northwest direction (forecast issued at 07:00am May 25). The wind direction is predicted to be cross-offshore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 May) | 2.5ft (0.7m) | 9s |
| Afternoon (25 May) | 1.5ft (0.4m) | 16s |
| Evening (25 May) | 2.5ft (0.8m) | 14s |
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 33°C on Mon afternoon, min 20°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 25 | Tuesday 26 | Wednesday 27 | Thu 28 | |||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WNW 10 | WNW 9 | WNW 9 | NW 16 | NW 15 | NW 14 | WNW 14 | NW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | |
81 | 78 | 49 | 66 | 115 | 214 | 352 | 418 | 528 | 649 | 640 | 546 | 513 | 488 | 480 | 488 | 443 | 429 | 365 | 329 | 291 | 242 | 238 | 185 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | cross-off | glassy | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross | cross | cross | off | glassy | cross-on | cross-on | cross-on | glassy | cross | |
High Tide | 1:23PM2.94m | 1:44AM3.15m | 2:19PM3.04m | 2:38AM3.18m | 3:06PM3.16m | |||||||||||||||||||
Low Tide | 6:55AM0.84m | 7:15PM0.98m | 7:52AM0.81m | 8:12PM0.89m | 8:40AM0.75m | 9:01PM0.79m | ||||||||||||||||||
 |  | | | | | | | | | | | | | | | | | | | | | | | |
 | 6:33 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | 6:31 |
 | — | — | — | — | — | 9:32 | — | — | — | — | — | — | — | 9:34 | — | — | — | — | — | — | — | 9:35 | — | 9:36 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 26 | 24 | 28 | 33 | 33 | 31 | 29 | 28 | 25 | 24 | 27 | 31 | 33 | 32 | 26 | 21 | 20 | 20 | 26 | 31 | 31 | 29 | 26 | 23 |
23 | 22 | 27 | 31 | 32 | 31 | 29 | 26 | 23 | 22 | 26 | 30 | 31 | 32 | 25 | 20 | 19 | 18 | 25 | 30 | 29 | 29 | 26 | 23 | |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | NW 14 | WNW 14 | NW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 |
 kJ | 81 | 78 | 49 | 48 | 78 | 214 | 352 | 418 | 528 | 649 | 640 | 546 | 513 | 488 | 480 | 488 | 443 | 429 | 365 | 329 | 291 | 242 | 238 | 185 |
Swell 2 Height (m) Direction Period (s) | — | NW 12 | WNW 17 | NW 16 | NW 15 | WNW 10 | WNW 10 | WNW 10 | — | — | — | — | — | — | — | — | — | WNW 4 | WNW 4 | WNW 4 | — | — | — | — |
| kJ | — | 6 | 28 | 66 | 115 | 83 | 81 | 71 | — | — | — | — | — | — | — | — | — | 3 | 3 | 1 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | W 18 | NNW 5 | NW 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 6 | 2 | 31 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 6 | 2 | 0 | 0 | 6 | 11 | 11 | 0 | 12 |
Best forecast wave conditions in La Cote Basque | ||||||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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