Guethary - Les Alcyons/Avalanche surf forecast from 7 Jul 2026:
- Best quality surf: Friday 10 Jul, 5PM (local time) - 3ft (0.9m), 9s period, NW swell with glassy winds.
- Most powerful swell: Sunday 12 Jul, 8PM (local time) - 3.5ft (1.0m), 9s period, WNW swell with 154 kJ wave energy.
- Next surfable swell (1★+): Friday 10 Jul, 5PM (local time) - 3ft (0.9m), 9s 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 Friday (Jul 10) at 5PM. The primary swell is predicted to be 0.9m and 9s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Guethary - Les Alcyons/Avalanche in the next 16 days are 1.0m 9s and forecast to arrive on Sunday (Jul 12) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5PM (Fri 10th Jul) | 3ft (0.9m) 9s |
| Best Surf | 5PM (Fri 10th Jul) | 3ft (0.9m) 9s |
| Most Powerful | 8PM (Sun 12th Jul) | 3.5ft (1.0m) 9s |
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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