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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 pm Thursday 30 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
17.3° C
(Which is 3.4°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 3AM is: 1.1m 15s primary swell from a Northwest direction and 0.4m 11s secondary swell from a West-northwest direction (forecast issued at 07:00pm April 30). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 May) | 4ft (1.2m) | 14s |
| Afternoon (01 May) | 4ft (1.2m) | 14s |
| Evening (01 May) | 3.5ft (1.1m) | 13s |
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 22mm), heaviest during Sat night. Warm (max 24°C on Fri night, min 15°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 30 | Friday 1 | Saturday 2 | Sun 3 | |||||||||||||||||||||
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 | 11 AM | 2 PM | |
Swell Height Map |  |    |    |    | ||||||||||||||||||||
NW 16 | NW 16 | NW 15 | NW 15 | NW 14 | NW 14 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | |
314 | 421 | 519 | 485 | 528 | 590 | 581 | 573 | 485 | 444 | 431 | 374 | 369 | 315 | 286 | 272 | 197 | 197 | 193 | 180 | 168 | 168 | 165 | 165 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | glassy | glassy | glassy | glassy | glassy | glassy | cross | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | on | cross-on | glassy | glassy | glassy | glassy | cross | |
High Tide | 4:51PM3.56m | 5:06AM3.59m | 5:22PM3.61m | 5:39AM3.57m | 5:52PM3.61m | 6:10AM3.50m | ||||||||||||||||||
Low Tide | 10:48PM0.36m | 11:05AM0.34m | 11:22PM0.32m | 11:37AM0.37m | 11:57PM0.33m | 12:10PM0.45m | ||||||||||||||||||
 | |  |  |  |  |  |  | | |  | | | | | | |  |  |  | |  | | | |
 | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:56 | — | — | — |
 | — | 9:06 | — | — | — | — | — | — | — | 9:07 | — | — | — | — | — | — | — | 9:07 | — | — | — | — | — | 9:08 |
— | — | — | — | — | — | — | 1 | 2 | 1 | 1 | — | — | — | 1 | — | — | 3 | 8 | 1 | — | 1 | — | 1 | |
Temp °C | 17 | 16 | 15 | 15 | 15 | 15 | 18 | 20 | 23 | 24 | 20 | 19 | 17 | 16 | 20 | 22 | 22 | 16 | 15 | 15 | 15 | 15 | 17 | 18 |
16 | 16 | 15 | 16 | 16 | 15 | 18 | 20 | 22 | 24 | 20 | 18 | 16 | 14 | 19 | 20 | 22 | 15 | 15 | 16 | 15 | 15 | 18 | 18 | |
Swell 1 Height (m) Direction Period (s) | NW 16 | NW 16 | NW 15 | NW 15 | NW 14 | NW 14 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 |
 kJ | 314 | 421 | 519 | 485 | 528 | 590 | 581 | 573 | 485 | 444 | 431 | 374 | 369 | 315 | 286 | 272 | 197 | 197 | 193 | 180 | 168 | 168 | 165 | 165 |
Swell 2 Height (m) Direction Period (s) | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 12 | NW 12 | WNW 11 | WNW 11 | WNW 11 | — | WSW 10 | — | NW 3 | NW 3 | NW 3 | WNW 3 | WNW 3 | — |
| kJ | 69 | 68 | 68 | 46 | 45 | 36 | 35 | 34 | 20 | 20 | 53 | 34 | 47 | 40 | 40 | — | 36 | — | 4 | 3 | 3 | 1 | 1 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 10 | WNW 10 | WNW 10 | W 10 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 10 | 9 | 9 | 7 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 11 | — | WNW 10 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 39 | — | 39 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 87 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 12 | 0 | 0 | 0 | 0 | 2 |
Best forecast wave conditions in La Cote Basque | ||||||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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