- Forecast
- Maps
- Live
- Weather State
- Spot Information
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 Monday 11 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
16.9° C
(Which is 2.3°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 1AM is: 0.7m 8s primary swell from a Northwest direction and 0.1m 9s secondary swell from a West direction (forecast issued at 07:00pm May 11). The wind direction is predicted to be glassy.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 2.5ft (0.8m) | 6s |
| Afternoon (12 May) | 2.5ft (0.7m) | 7s |
| Evening (12 May) | 2.5ft (0.7m) | 8s |
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 15mm), heaviest on Thu morning. Very mild (max 16°C on Mon night, min 13°C on Mon night). Winds increasing (calm on Mon night, fresh winds from the WNW by Thu afternoon). | ||||||||||||||||||||||||
Mon 11 | Tuesday 12 | Wednesday 13 | Thu 14 | |||||||||||||||||||||
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 10 | NW 9 | NW 9 | NW 8 | NNW 7 | NNW 6 | NNW 6 | NNW 7 | NNW 7 | NNW 8 | NNW 8 | NNW 7 | NW 7 | NW 6 | NW 5 | NW 5 | NW 5 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 7 | NW 8 | |
73 | 70 | 21 | 69 | 61 | 54 | 35 | 40 | 31 | 58 | 55 | 47 | 49 | 36 | 33 | 46 | 65 | 61 | 62 | 86 | 132 | 226 | 379 | 525 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | glassy | glassy | glassy | glassy | cross-on | cross-on | on | on | on | on | cross-on | on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 1:13AM2.99m | 1:53PM2.94m | 2:08AM3.22m | 2:43PM3.21m | 2:59AM3.47m | |||||||||||||||||||
Low Tide | 6:55PM1.17m | 7:34AM0.88m | 7:53PM0.94m | 8:25AM0.62m | 8:43PM0.67m | 9:11AM0.38m | ||||||||||||||||||
 | |  | | |  |  | | | | |  | |  |  | | | |  | |  | | | | |
 | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:43 | — | — | — |
 | — | 9:19 | — | — | — | — | — | — | — | 9:20 | — | — | — | — | — | — | — | 9:21 | — | — | — | — | — | 9:22 |
— | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | 1 | 2 | 2 | |
Temp °C | 17 | 16 | 15 | 14 | 13 | 13 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 14 | 14 | 14 | 15 | 14 | 13 | 14 | 14 | 13 | 13 | 13 |
15 | 15 | 14 | 14 | 13 | 12 | 14 | 13 | 12 | 12 | 12 | 12 | 10 | 11 | 10 | 11 | 11 | 11 | 9 | 9 | 9 | 7 | 8 | 7 | |
Swell 1 Height (m) Direction Period (s) | NW 10 | NW 9 | NW 6 | NW 8 | NNW 7 | NNW 6 | NNW 6 | NNW 7 | NNW 7 | W 14 | NNW 8 | NNW 7 | NW 12 | NW 12 | NW 11 | NW 11 | NW 10 | NW 10 | NW 8 | NW 8 | NW 9 | W 11 | — | NW 14 |
 kJ | 73 | 70 | 16 | 69 | 61 | 54 | 35 | 40 | 31 | 4 | 55 | 47 | 6 | 6 | 19 | 18 | 15 | 14 | 17 | 18 | 12 | 2 | — | 46 |
Swell 2 Height (m) Direction Period (s) | WNW 10 | W 10 | NW 9 | W 9 | — | — | NW 8 | NW 8 | NW 8 | — | NW 13 | NW 13 | — | — | — | — | — | WNW 12 | NW 12 | WNW 12 | NW 12 | — | — | — |
| kJ | 10 | 2 | 21 | 2 | — | — | 11 | 11 | 11 | — | 7 | 7 | — | — | — | — | — | 14 | 5 | 13 | 5 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | W 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | NNW 8 | — | — | NW 7 | NW 6 | NW 5 | NW 5 | NW 5 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 7 | NW 8 |
| kJ | — | — | — | — | — | — | — | — | — | 58 | — | — | 49 | 36 | 33 | 46 | 65 | 61 | 62 | 86 | 132 | 226 | 379 | 525 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 87 | 87 | 31 | 1 | 1 | 1 | 7 | 87 | 87 | 290 | 196 | 313 | 274 | 196 | 220 | 412 | 559 | 196 | 304 | 304 | 294 | 147 | 147 | 377 |
Best forecast wave conditions in La Cote Basque | ||||||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Guethary - Les Alcyons/Avalanche surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest