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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 1 am Monday 04 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
17.8° C
(Which is 3.7°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 7AM is: 0.7m 9s primary swell from a Northwest direction and 0.6m 10s secondary swell from a Northwest direction, 0.7m 4s secondary swell from a West direction (forecast issued at 01:00am May 04). The wind direction is predicted to be cross-onshore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 May) | 2.5ft (0.7m) | 9s |
| Afternoon (04 May) | 2.5ft (0.8m) | 10s |
| Evening (04 May) | 2.5ft (0.8m) | 10s |
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 21mm), heaviest during Mon afternoon. Very mild (max 14°C on Mon morning, min 11°C on Wed night). Winds increasing (calm on Mon night, fresh winds from the W by Wed afternoon). | ||||||||||||||||||||||||
Monday 4 | Tuesday 5 | Wednesday 6 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
NW 10 | NW 10 | NW 9 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | NW 8 | NW 9 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | |
127 | 133 | 73 | 147 | 144 | 138 | 138 | 133 | 130 | 130 | 154 | 144 | 242 | 220 | 193 | 168 | 164 | 142 | 166 | 170 | 68 | 164 | 118 | 57 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross-on | on | on | on | on | on | glassy | glassy | cross | cross-on | cross-on | cross-on | on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | on | glassy | |
High Tide | 6:43AM3.38m | 6:55PM3.46m | 7:16AM3.23m | 7:29PM3.32m | 7:52AM3.05m | 8:07PM3.15m | ||||||||||||||||||
Low Tide | 00:31AM0.41m | 12:44PM0.57m | 1:07AM0.55m | 1:19PM0.73m | 1:45AM0.72m | 1:56PM0.90m | ||||||||||||||||||
 | |  |  | | | |  | | | | |  |  |  |  | | | | | | | | | |
 | — | 6:56 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:10 | — | — | — | — | — | — | — | 9:12 | — | — | — | — | — | — | — | 9:13 | — |
4 | 2 | 1 | 1 | 1 | 3 | 2 | — | — | 1 | 2 | 2 | 1 | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | |
Temp °C | 14 | 15 | 14 | 14 | 14 | 13 | 14 | 13 | 13 | 12 | 12 | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 13 | 14 | 14 | 14 | 14 |
15 | 13 | 11 | 11 | 11 | 11 | 13 | 13 | 12 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 9 | 9 | 7 | 8 | 9 | 8 | 11 | 13 | |
Swell 1 Height (m) Direction Period (s) | NW 10 | NW 10 | NW 9 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | NW 8 | — | NW 8 | N 12 | NW 8 | WNW 6 |
 kJ | 127 | 133 | 73 | 147 | 144 | 138 | 138 | 133 | 130 | 130 | 154 | 144 | 242 | 220 | 193 | 168 | 164 | 142 | 166 | — | 68 | 3 | 38 | 57 |
Swell 2 Height (m) Direction Period (s) | NW 4 | — | NW 10 | — | — | NW 5 | NW 4 | WNW 4 | WNW 4 | N 4 | N 4 | — | — | — | — | — | — | — | — | — | — | — | NW 12 | NW 8 |
| kJ | 3 | — | 68 | — | — | 25 | 15 | 3 | 3 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | 6 | 40 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | N 4 | N 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 11 |
| kJ | — | — | — | — | — | — | — | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 |
Wind waves Height (m) Direction Period (s) | — | W 3 | W 4 | NW 5 | NW 5 | — | — | — | — | — | — | W 3 | — | — | — | — | — | — | — | NW 9 | WNW 6 | WNW 6 | WNW 6 | — |
| kJ | — | 8 | 16 | 32 | 33 | — | — | — | — | — | — | 6 | — | — | — | — | — | — | — | 170 | 63 | 164 | 118 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 132 | 91 | 12 | 136 | 12 | 12 | 0 | 0 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 811 | 175 | 196 | 0 |
Best forecast wave conditions in La Cote Basque | ||||||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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