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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 Sunday 31 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
20.6° C
(Which is 3.6°C warmer than normal for this time of year)How big are the waves at Guethary - Les Alcyons/Avalanche today (01 Jun):
- Morning surf: Morning surf (01 Jun, local time) - 3.5ft (1.0m), 12s period with WNW swell.
- Afternoon surf: Afternoon surf (01 Jun, local time) - 3ft (0.9m), 11s period with WNW swell.
- Evening surf: Evening surf (01 Jun, local time) - 3ft (0.9m), 11s period with WNW swell.
The current surf forecast for Guethary - Les Alcyons/Avalanche at 12AM is: 0.9m 12s primary swell from a West-northwest direction and 0.6m 6s secondary swell from a North-northwest direction (forecast issued at 07:00pm May 31). The wind direction is predicted to be cross-shore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Jun) | 3.5ft (1.0m) | 12s |
| Afternoon (01 Jun) | 3ft (0.9m) | 11s |
| Evening (01 Jun) | 3ft (0.9m) | 11s |
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 3mm), mostly falling on Tue morning. Warm (max 20°C on Wed afternoon, min 14°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 31 | Monday 1 | Tuesday 2 | Wed 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 |    |    |    |    | ||||||||||||||||||||
WNW 11 | WNW 10 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 6 | WNW 8 | WNW 8 | NW 8 | WNW 9 | NW 9 | NW 10 | NW 10 | |
210 | 158 | 203 | 210 | 210 | 269 | 193 | 180 | 176 | 190 | 186 | 183 | 161 | 152 | 78 | 77 | 160 | 318 | 394 | 450 | 516 | 586 | 681 | 625 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | cross | cross-off | cross-off | glassy | cross | cross-on | cross-on | on | glassy | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | on | |
High Tide | 5:31PM3.46m | 5:52AM3.32m | 6:05PM3.46m | 6:27AM3.27m | 6:41PM3.43m | 7:03AM3.19m | ||||||||||||||||||
Low Tide | 11:37PM0.51m | 11:50AM0.61m | 00:15AM0.53m | 12:26PM0.65m | 00:53AM0.59m | 1:03PM0.72m | ||||||||||||||||||
 |  |  |  | | |  | | | |  | | | |  |  | | | |  | | | | | |
 | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — |
 | — | 9:38 | — | — | — | — | — | — | — | 9:38 | — | — | — | — | — | — | — | 9:39 | — | — | — | — | — | 9:40 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | 1 | — | — | — | — | |
Temp °C | 17 | 17 | 16 | 15 | 14 | 14 | 17 | 19 | 19 | 18 | 17 | 16 | 16 | 17 | 17 | 17 | 18 | 17 | 16 | 16 | 15 | 15 | 17 | 19 |
16 | 16 | 16 | 14 | 13 | 13 | 16 | 18 | 18 | 19 | 18 | 16 | 15 | 15 | 14 | 14 | 15 | 15 | 14 | 13 | 12 | 13 | 16 | 18 | |
Swell 1 Height (m) Direction Period (s) | WNW 11 | WNW 10 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 8 | NW 8 | WNW 9 | NW 9 | NW 10 | NW 10 |
 kJ | 210 | 158 | 203 | 210 | 210 | 269 | 193 | 180 | 176 | 190 | 186 | 183 | 161 | 152 | 78 | 77 | 75 | 57 | 394 | 450 | 516 | 586 | 681 | 625 |
Swell 2 Height (m) Direction Period (s) | NW 6 | NNW 6 | NNW 6 | NNW 5 | NNW 5 | — | NNW 4 | — | — | — | — | — | — | — | — | — | WNW 12 | — | — | — | — | W 16 | WNW 15 | WNW 15 |
| kJ | 29 | 24 | 22 | 11 | 10 | — | 2 | — | — | — | — | — | — | — | — | — | 14 | — | — | — | — | 5 | 23 | 43 |
Swell 3 Height (m) Direction Period (s) | — | NW 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 4 | WNW 5 | WNW 6 | WNW 8 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 10 | 38 | 160 | 318 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 87 | 49 | 12 | 0 | 0 | 0 | 1 | 87 | 87 | 4 | 0 | 12 | 12 | 12 | 436 | 147 | 147 | 49 | 12 | 12 | 12 | 6 | 12 | 11 |
Best forecast wave conditions in La Cote Basque | ||||||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||||||
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