Guethary - Les Alcyons/Avalanche surf forecast from 6 Oct 2026:
- Best quality surf: Friday 9 Oct, 2AM (local time) - 4.5ft (1.4m), 8s period, NW swell with cross-offshore winds.
- Most powerful swell: Thursday 8 Oct, 2PM (local time) - 7.5ft (2.3m), 10s period, NW swell with 940 kJ wave energy.
- Next surfable swell (1★+): Tuesday 6 Oct, 11AM (local time) - 2.5ft (0.8m), 10s period with NW swell.
Best Forecast Surf Conditions for Guethary - Les Alcyons/Avalanche this week:
The surf forecast for Guethary - Les Alcyons/Avalanche over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Oct 06) at 11AM. The primary swell is predicted to be 0.8m and 10s period with a secondary swell of 0.6m and 13s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Guethary - Les Alcyons/Avalanche in the next 16 days are 2.3m 10s and forecast to arrive on Thursday (Oct 08) at 2PM. Winds are predicted to be onshore at the time the swell arrives.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Tue 6th Oct) | 2.5ft (0.8m) 10s |
| Best Surf | 2AM (Fri 9th Oct) | 4.5ft (1.4m) 8s |
| Most Powerful | 2PM (Thu 8th Oct) | 7.5ft (2.3m) 10s |
Table - best surf conditions forecast for Guethary - Les Alcyons/Avalanche over the next 16 days.
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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