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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 Wednesday 13 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
17.1° 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 3PM is: 1.1m 5s primary swell from a Northwest direction and 0.3m 10s secondary swell from a Northwest direction (forecast issued at 07:00am May 13). The wind direction is predicted to be onshore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 3ft (0.9m) | 5s |
| Afternoon (13 May) | 3.5ft (1.1m) | 5s |
| Evening (13 May) | 4ft (1.2m) | 6s |
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 41mm), heaviest during Fri morning. Very mild (max 15°C on Wed afternoon, min 11°C on Fri morning). Winds decreasing (fresh winds from the NW on Fri morning, calm by Fri night). | ||||||||||||||||||||||||
Wednesday 13 | Thursday 14 | Friday 15 | Sat 16 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NW 7 | NW 5 | NW 5 | NW 5 | NW 5 | NW 6 | NW 6 | NW 6 | NW 7 | NW 7 | NW 8 | NW 8 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | NW 9 | NW 9 | NW 9 | NW 9 | NW 10 | NW 10 | NW 10 | |
60 | 33 | 36 | 58 | 83 | 89 | 96 | 132 | 246 | 459 | 672 | 808 | 910 | 1064 | 1121 | 1108 | 1296 | 1611 | 1601 | 1202 | 1001 | 869 | 887 | 777 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | on | cross-on | cross-on | on | on | on | |
High Tide | 2:08AM3.22m | 2:43PM3.21m | 2:59AM3.47m | 3:28PM3.48m | 3:46AM3.69m | 4:13PM3.72m | ||||||||||||||||||
Low Tide | 8:25AM0.62m | 8:43PM0.67m | 9:11AM0.38m | 9:31PM0.40m | 9:56AM0.18m | 10:17PM0.15m | ||||||||||||||||||
 |  |  | |  | |  |  | | | | | | | | |  |  | | | | |  | | |
 | 6:45 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:41 | — | — | — | — | — | — | 6:41 |
 | — | — | — | — | — | 9:21 | — | — | — | — | — | — | — | 9:22 | — | — | — | — | — | — | — | 9:22 | — | 9:23 |
1 | 1 | 1 | 1 | — | 1 | — | — | — | 1 | 2 | 1 | 1 | 1 | 1 | 3 | 7 | 8 | 4 | 2 | 1 | 1 | 2 | 1 | |
Temp °C | 13 | 14 | 14 | 15 | 15 | 14 | 14 | 14 | 13 | 12 | 13 | 14 | 14 | 13 | 13 | 12 | 12 | 11 | 11 | 12 | 13 | 13 | 12 | 12 |
10 | 11 | 10 | 11 | 11 | 11 | 10 | 9 | 8 | 6 | 7 | 7 | 7 | 6 | 6 | 5 | 6 | 5 | 3 | 7 | 9 | 9 | 9 | 10 | |
Swell 1 Height (m) Direction Period (s) | NW 12 | NW 12 | NW 11 | NW 11 | NW 10 | NW 10 | NW 8 | NW 9 | W 11 | — | — | NW 14 | NW 13 | — | — | NW 12 | NW 12 | — | — | NW 9 | — | — | NW 10 | NW 10 |
 kJ | 6 | 6 | 19 | 18 | 15 | 14 | 18 | 13 | 2 | — | — | 29 | 85 | — | — | 178 | 140 | — | — | 1202 | — | — | 887 | 777 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | NW 12 | WNW 12 | NW 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 5 | 13 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 7 | NW 5 | NW 5 | NW 5 | NW 5 | NW 6 | NW 6 | NW 6 | NW 7 | NW 7 | NW 8 | NW 8 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | NW 9 | NW 9 | — | NW 9 | NW 10 | — | — |
| kJ | 60 | 33 | 36 | 58 | 83 | 89 | 96 | 132 | 246 | 459 | 672 | 808 | 910 | 1064 | 1121 | 1108 | 1296 | 1611 | 1601 | — | 1001 | 869 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 304 | 304 | 220 | 412 | 1112 | 196 | 304 | 323 | 147 | 323 | 147 | 400 | 387 | 403 | 308 | 248 | 167 | 248 | 308 | 305 | 325 | 325 | 147 | 3 |
Best forecast wave conditions in La Cote Basque | ||||||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||||||
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