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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 Saturday 16 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
17.3° C
(Which is 1.9°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 11AM is: 2.0m 9s primary swell from a Northwest direction (forecast issued at 07:00am May 16). The wind direction is predicted to be onshore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 6.5ft (2.0m) | 9s |
| Afternoon (16 May) | 6ft (1.8m) | 8s |
| Evening (16 May) | 4.5ft (1.4m) | 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 ForecastLight rain (total 5mm), mostly falling on Sat morning. Very mild (max 17°C on Mon afternoon, min 11°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 16 | Sunday 17 | Monday 18 | Tue 19 | |||||||||||||||||||||
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 9 | NW 9 | NW 9 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 15 | WNW 14 | WNW 14 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | |
679 | 651 | 595 | 457 | 380 | 327 | 250 | 196 | 149 | 126 | 109 | 107 | 119 | 128 | 223 | 362 | 607 | 769 | 878 | 1043 | 1010 | 895 | 808 | 722 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | cross-off | cross-off | cross-off | cross | cross-on | on | on | on | cross-on | cross-on | glassy | glassy | glassy | cross-on | cross | cross-on | on | glassy | |
High Tide | 4:34AM3.86m | 4:57PM3.89m | 5:21AM3.93m | 5:42PM3.98m | 6:10AM3.90m | 6:29PM3.98m | ||||||||||||||||||
Low Tide | 10:40AM0.06m | 11:03PM-0.02m | 11:25AM0.03m | 11:50PM-0.09m | 12:11PM0.08m | 00:39AM-0.05m | ||||||||||||||||||
 |  |  |  | | |  |  | |  |  | | | |  | | | | | | | | | | |
 | 6:41 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | 6:37 |
 | — | — | — | — | — | 9:23 | — | — | — | — | — | — | — | 9:24 | — | — | — | — | — | — | — | 9:25 | — | 9:27 |
2 | 2 | 1 | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 12 | 13 | 13 | 14 | 14 | 13 | 11 | 11 | 12 | 14 | 15 | 15 | 15 | 14 | 13 | 13 | 12 | 14 | 16 | 17 | 17 | 15 | 14 |
8 | 7 | 8 | 9 | 11 | 12 | 12 | 9 | 9 | 10 | 13 | 12 | 13 | 13 | 13 | 12 | 12 | 11 | 13 | 14 | 15 | 15 | 13 | 13 | |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 7 | WNW 14 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 |
 kJ | — | — | — | — | 380 | 327 | 250 | 196 | 149 | 126 | 109 | 107 | 119 | 128 | 125 | 105 | 607 | 769 | 878 | 1043 | 1010 | 895 | 808 | 722 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | W 16 | W 16 | NW 15 | WNW 15 | WNW 14 | WNW 13 | NW 13 | NW 16 | NW 15 | WNW 14 | NW 7 | NW 8 | NW 8 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 5 | 5 | 9 | 21 | 20 | 35 | 44 | 121 | 223 | 362 | 91 | 94 | 79 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | W 18 | NW 17 | NW 16 | NW 12 | WNW 12 | WNW 11 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 6 | 12 | 41 | 38 | 59 | 48 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 9 | NW 9 | NW 9 | NW 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 679 | 651 | 595 | 457 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 49 | 49 | 49 | 49 | 49 | 12 | 0 | 0 | 0 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 0 | 0 | 0 | 87 | 6 | 87 | 87 | 0 |
Best forecast wave conditions in La Cote Basque | ||||||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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