Surf Forecasts:
How big are the waves at Guethary - Les Alcyons/Avalanche today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 4ft (1.2m), 15s period with WNW swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 4.5ft (1.3m), 14s period with WNW swell.
- Evening surf: Evening surf (20 Oct, local time) - 4.5ft (1.4m), 13s period with NW swell.
The current surf forecast for Guethary - Les Alcyons/Avalanche at 6AM is: 1.0m 15s primary swell from a West-northwest direction and 0.5m 10s secondary swell from a Northwest direction (forecast issued at 01:00am October 20). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 4ft (1.2m) | 15s |
| Afternoon (20 Oct) | 4.5ft (1.3m) | 14s |
| Evening (20 Oct) | 4.5ft (1.4m) | 13s |
Table - waves today at Guethary - Les Alcyons/Avalanche. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 17mm), heaviest on Wed morning. Very mild (max 18°C on Thu afternoon, min 10°C on Tue morning). Winds increasing (calm on Tue morning, fresh winds from the WNW by Wed morning). | ||||||||||||||||||||||||
Tuesday 20 | Wednesday 21 | Thursday 22 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | WNW 16 | WNW 15 | WNW 15 | WNW 15 | WNW 14 | WNW 14 | NW 13 | NW 13 | NW 13 | NW 13 | WNW 13 | WNW 8 | WNW 9 | NW 9 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 330 | 409 | 576 | 568 | 644 | 700 | 732 | 721 | 700 | 604 | 876 | 897 | 1368 | 1644 | 3403 | 3640 | 3716 | 3162 | 2555 | 2196 | 1913 | 1913 | 1945 | 1978 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | cross-off | cross-on | cross-on | glassy | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross | cross | cross-off | cross-off | off | cross-off | cross-off | cross-off |
High Tide | 00:30AM2.45m | 12:58PM2.69m | 1:43AM2.63m | 1:59PM2.90m | 2:32AM2.87m | 2:43PM3.15m | ||||||||||||||||||
Low Tide | 6:30AM1.44m | 7:21PM1.23m | 7:38AM1.25m | 8:14PM0.99m | 8:28AM1.00m | 8:56PM0.71m | ||||||||||||||||||
 |  |  |  | |  | | | | |  |  |  | |  | | | | |  | | | | | |
 | — | — | 8:25 | — | — | — | — | — | — | — | 8:26 | — | — | — | — | — | — | — | 8:27 | — | — | — | — | — |
 | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:14 | — | — | — | — | — | — | — | 7:13 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | 3 | 5 | 2 | 1 | 2 | 2 | 2 | — | — | — | — | — | — | — |
Temp °C | 9 | 9 | 10 | 11 | 14 | 15 | 13 | 12 | 12 | 14 | 14 | 15 | 15 | 15 | 15 | 14 | 13 | 13 | 13 | 14 | 16 | 18 | 17 | 17 |
Feels °C | 8 | 7 | 9 | 10 | 12 | 13 | 12 | 10 | 9 | 11 | 9 | 8 | 8 | 10 | 12 | 11 | 10 | 10 | 11 | 12 | 14 | 16 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | WNW 16 | WNW 15 | WNW 15 | WNW 15 | WNW 14 | WNW 14 | NW 13 | NW 13 | NW 13 | NW 13 | — | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 |
| kJ | 330 | 409 | 576 | 568 | 644 | 700 | 732 | 721 | 700 | 604 | — | 431 | 331 | 609 | 3403 | 3640 | 3716 | 3162 | 2555 | 2196 | 1913 | 1913 | 1945 | 1978 |
Swell 2 Height (m) Direction Period (s) | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NNW 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 77 | 46 | 46 | 23 | 22 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | WNW 12 | WNW 11 | — | W 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 14 | 12 | — | 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | WNW 13 | WNW 8 | WNW 9 | NW 9 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 876 | 897 | 1368 | 1644 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 12 | 12 | 0 | 0 | 0 | 0 | 49 | 364 | 377 | 147 | 49 | 12 | 12 | 4 | 0 | 0 | 0 | 0 | 0 | 6 |
Best forecast wave conditions in La Cote Basque | ||||||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||||||
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