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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 pm Monday 27 Apr 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
17.2° C
(Which is 3.5°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: 0.4m 9s primary swell from a West-northwest direction and 0.1m 4s secondary swell from a Northwest direction (forecast issued at 01:00pm April 27). The wind direction is predicted to be cross-onshore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Apr) | 1ft (0.3m) | 10s |
| Afternoon (27 Apr) | 1ft (0.3m) | 9s |
| Evening (27 Apr) | 1.5ft (0.4m) | 9s |
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 18mm), heaviest on Thu morning. Warm (max 22°C on Wed afternoon, min 14°C on Wed morning). Wind will be generally light. | ||||||||||||||||||||||||
Mon 27 | Tuesday 28 | Wednesday 29 | Thu 30 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | NW 5 | WNW 15 | WNW 15 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | |
18 | 17 | 27 | 26 | 25 | 24 | 14 | 13 | 13 | 13 | 11 | 43 | 42 | 67 | 70 | 99 | 95 | 119 | 117 | 121 | 119 | 115 | 113 | 111 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | cross-on | cross-on | cross | glassy | glassy | glassy | glassy | cross-on | cross-on | glassy | cross-on | glassy | off | off | cross-off | glassy | cross | glassy | glassy | off | cross-off | cross | |
High Tide | 2:58PM3.14m | 3:14AM3.40m | 3:42PM3.32m | 3:56AM3.51m | 4:18PM3.46m | 4:33AM3.57m | ||||||||||||||||||
Low Tide | 8:34AM0.69m | 8:49PM0.78m | 9:19AM0.54m | 9:34PM0.60m | 9:57AM0.43m | 10:12PM0.46m | ||||||||||||||||||
 | | |  |  |  | |  | | |  | |  | | | | | | | | |  | | | |
 | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:01 | — |
 | — | — | — | 9:02 | — | — | — | — | — | — | — | 9:04 | — | — | — | — | — | — | — | 9:05 | — | — | — | 9:06 |
— | — | — | 1 | 1 | — | — | — | — | — | 2 | 3 | 2 | 1 | — | — | — | — | — | 1 | 1 | — | — | 1 | |
Temp °C | 15 | 16 | 17 | 16 | 15 | 15 | 15 | 15 | 16 | 19 | 17 | 15 | 15 | 15 | 15 | 14 | 16 | 21 | 22 | 21 | 17 | 16 | 16 | 15 |
15 | 15 | 17 | 16 | 14 | 15 | 16 | 15 | 16 | 18 | 16 | 15 | 15 | 16 | 15 | 13 | 15 | 20 | 21 | 22 | 18 | 15 | 15 | 14 | |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | NW 5 | NW 5 | NNW 4 | NNW 4 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 |
 kJ | 18 | 17 | 27 | 26 | 25 | 24 | 14 | 13 | 13 | 13 | 6 | 4 | 7 | 7 | 70 | 99 | 95 | 119 | 117 | 121 | 119 | 115 | 113 | 111 |
Swell 2 Height (m) Direction Period (s) | NW 4 | NW 4 | NW 4 | NW 4 | — | N 4 | N 4 | NNW 4 | N 4 | NW 5 | WNW 8 | WNW 15 | WNW 15 | WNW 14 | NNW 5 | NNW 6 | NNW 6 | NNW 5 | NNW 5 | NNW 5 | NNW 7 | NNW 7 | NW 6 | NW 18 |
| kJ | 1 | 1 | 1 | 1 | — | 1 | 3 | 3 | 1 | 4 | 6 | 43 | 42 | 67 | 4 | 13 | 12 | 5 | 5 | 11 | 18 | 17 | 8 | 51 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | W 12 | NW 4 | W 12 | NW 5 | NW 5 | N 4 | WNW 10 | N 4 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | W 7 | — | NW 18 | NW 19 | NNW 5 |
| kJ | — | — | — | — | 3 | 1 | 3 | 1 | 4 | 1 | 11 | 3 | 10 | 10 | 9 | 8 | 8 | 8 | 8 | 1 | — | 13 | 14 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | N 4 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 278 | 339 | 451 | 333 | 91 | 167 | 54 | 143 | 91 | 91 | 197 | 1 | 20 | 1 | 1 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 12 |
Best forecast wave conditions in La Cote Basque | ||||||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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