Surf Forecasts:
How big are the waves at Guethary - Les Alcyons/Avalanche today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 5.5ft (1.7m), 11s period with NW swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 5ft (1.6m), 11s period with NW swell.
- Evening surf: Evening surf (21 Sep, local time) - 5ft (1.5m), 11s period with NW swell.
The current surf forecast for Guethary - Les Alcyons/Avalanche at 9PM is: 1.5m 11s primary swell from a Northwest direction (forecast issued at 01:00pm September 21). The wind direction is predicted to be cross-onshore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 5.5ft (1.7m) | 11s |
| Afternoon (21 Sep) | 5ft (1.6m) | 11s |
| Evening (21 Sep) | 5ft (1.5m) | 11s |
Table - waves today at Guethary - Les Alcyons/Avalanche. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Thu morning, min 17°C on Tue morning). Wind will be generally light. | |||||||||||||||||||||
Mon 21 | Tuesday 22 | Wednesday 23 | |||||||||||||||||||
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) | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | WNW 16 | WNW 15 | WNW 15 | WNW 14 | WNW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 652 | 652 | 640 | 534 | 534 | 488 | 488 | 492 | 478 | 435 | 389 | 338 | 278 | 237 | 233 | 233 | 427 | 474 | 784 | 1014 | 1014 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | on | on | cross-on | cross | cross | cross | cross | cross-on | on | on | cross-on | cross | cross | cross-off | cross-off | glassy | on | cross-on | cross-on | cross-off |
High Tide | 1:57PM2.69m | 2:36AM2.66m | 2:51PM2.94m | 3:19AM2.91m | 3:30PM3.21m | ||||||||||||||||
Low Tide | 8:11PM1.25m | 8:27AM1.23m | 9:00PM0.98m | 9:12AM0.95m | 9:39PM0.70m | ||||||||||||||||
 |  | | |  | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 7:52 | — | — | — | — | — | — | — | 7:54 | — | — | — | — | — | — |
 | — | — | — | 8:06 | — | — | — | — | — | — | — | 8:05 | — | — | — | — | — | — | — | 8:02 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 21 | 21 | 19 | 19 | 18 | 18 | 17 | 19 | 21 | 20 | 19 | 18 | 17 | 18 | 17 | 20 | 21 | 22 | 20 | 19 |
Feels °C | 19 | 21 | 20 | 19 | 18 | 17 | 18 | 17 | 20 | 20 | 18 | 17 | 15 | 14 | 15 | 14 | 18 | 19 | 22 | 20 | 19 |
Swell 1 Height (m) Direction Period (s) | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | WNW 16 | WNW 15 | WNW 15 | WNW 14 | WNW 14 |
| kJ | 652 | 652 | 640 | 534 | 534 | 488 | 488 | 492 | 478 | 435 | 389 | 338 | 278 | 237 | 233 | 233 | 427 | 474 | 784 | 1014 | 1014 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | N 5 | N 5 | — | — | — | — | — | NNW 5 | NNW 5 | NNW 5 | WNW 17 | NW 10 | NW 10 | NW 11 | — | — |
| kJ | — | — | — | — | — | 19 | 19 | — | — | — | — | — | 8 | 8 | 8 | 200 | 147 | 122 | 166 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | W 21 | NW 20 | NW 18 | NNW 5 | WNW 12 | WNW 12 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 9 | 15 | 85 | 7 | 56 | 56 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 11 | 87 | 12 | 6 | 6 | 6 | 6 | 12 | 87 | 12 | 12 | 12 | 12 | 0 | 0 | 0 | 12 | 12 | 12 | 0 |
Best forecast wave conditions in La Cote Basque | |||||||||||||||||||||
Best forecast wave conditions in France | |||||||||||||||||||||
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