- 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 1 pm Tuesday 12 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
17.0° 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 6PM is: 0.6m 7s primary swell from a North-northwest direction and 0.3m 8s secondary swell from a Northwest direction (forecast issued at 01:00pm May 12). The wind direction is predicted to be onshore.
| 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 ForecastHeavy rain (total 33mm), heaviest during Fri morning. Very mild (max 15°C on Tue afternoon, min 12°C on Thu night). Winds increasing (light winds from the NW on Tue night, fresh winds from the WNW by Thu night). | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
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 | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NNW 6 | NNW 7 | NNW 7 | NW 8 | NNW 8 | NNW 7 | NW 7 | NW 7 | NNW 5 | NW 5 | NW 5 | NW 6 | NW 6 | NW 6 | NW 6 | NW 7 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 9 | NW 9 | |
35 | 40 | 31 | 67 | 55 | 47 | 50 | 44 | 24 | 44 | 68 | 76 | 80 | 107 | 193 | 331 | 531 | 661 | 781 | 908 | 1044 | 1231 | 1411 | 1342 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | |
High Tide | 1:53PM2.94m | 2:08AM3.22m | 2:43PM3.21m | 2:59AM3.47m | 3:28PM3.48m | 3:46AM3.69m | ||||||||||||||||||
Low Tide | 7:53PM0.94m | 8:25AM0.62m | 8:43PM0.67m | 9:11AM0.38m | 9:31PM0.40m | |||||||||||||||||||
 |  |  | |  |  |  |  | |  | | | | | | | | | | | | | |  | |
 | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:41 | — |
 | — | — | — | 9:20 | — | — | — | — | — | — | — | 9:21 | — | — | — | — | — | — | — | 9:22 | — | — | — | 9:22 |
— | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | 1 | 2 | 2 | 1 | 1 | 2 | 4 | 4 | 6 | |
Temp °C | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 14 | 14 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 |
14 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 11 | 10 | 10 | 10 | 9 | 7 | 7 | 7 | 7 | 7 | 5 | 6 | 6 | 7 | 9 | |
Swell 1 Height (m) Direction Period (s) | NNW 6 | NNW 7 | NNW 7 | W 14 | NNW 8 | NNW 7 | NW 7 | NW 7 | NNW 5 | NW 11 | NW 10 | NW 10 | NW 8 | NW 8 | NW 11 | W 11 | — | NW 14 | NW 14 | NW 12 | NW 12 | NW 12 | NW 12 | — |
 kJ | 35 | 40 | 31 | 4 | 55 | 47 | 50 | 44 | 24 | 18 | 15 | 14 | 18 | 18 | 5 | 2 | — | 29 | 65 | 184 | 232 | 228 | 137 | — |
Swell 2 Height (m) Direction Period (s) | NW 8 | NW 8 | NW 8 | — | NW 13 | NW 13 | NW 12 | NW 12 | NW 11 | — | — | NW 12 | WNW 12 | NW 12 | — | — | — | — | — | — | — | — | — | — |
| kJ | 11 | 11 | 11 | — | 7 | 7 | 6 | 6 | 19 | — | — | 5 | 13 | 5 | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | NW 8 | — | — | — | — | W 3 | NW 5 | NW 5 | NW 6 | NW 6 | NW 6 | NW 6 | NW 7 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 9 | NW 9 |
| kJ | — | — | — | 67 | — | — | — | — | 3 | 44 | 68 | 76 | 80 | 107 | 193 | 331 | 531 | 661 | 781 | 908 | 1044 | 1231 | 1411 | 1342 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 43 | 87 | 87 | 196 | 313 | 196 | 196 | 304 | 337 | 412 | 586 | 220 | 304 | 333 | 147 | 313 | 341 | 400 | 387 | 333 | 248 | 205 | 49 | 12 |
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