Surf Forecasts:
How big are the waves at Guethary - Les Alcyons/Avalanche today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 6ft (1.8m), 11s period with NW swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 5.5ft (1.7m), 11s period with NW swell.
- Evening surf: Evening surf (17 Sep, local time) - 5ft (1.5m), 10s period with NW swell.
The current surf forecast for Guethary - Les Alcyons/Avalanche at 7PM is: 1.6m 11s primary swell from a Northwest direction (forecast issued at 01:00pm September 17). The wind direction is predicted to be onshore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 6ft (1.8m) | 11s |
| Afternoon (17 Sep) | 5.5ft (1.7m) | 11s |
| Evening (17 Sep) | 5ft (1.5m) | 10s |
Table - waves today at Guethary - Les Alcyons/Avalanche. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 20°C on Sat afternoon, min 15°C on Sat morning). Wind will be generally light. | |||||||||||||||||||||
Thu 17 | Friday 18 | Saturday 19 | |||||||||||||||||||
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 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 13 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 725 | 651 | 604 | 538 | 404 | 315 | 309 | 309 | 296 | 357 | 1423 | 1948 | 2035 | 2005 | 1975 | 1723 | 1468 | 1279 | 1052 | 868 | 827 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | on | on | on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | on | on | glassy | glassy | glassy | off | glassy | cross-on | cross-on | cross-on | glassy |
High Tide | 8:44AM3.08m | 9:09PM2.84m | 9:27AM2.82m | 10:03PM2.57m | 10:34AM2.60m | ||||||||||||||||
Low Tide | 3:01PM0.94m | 3:18AM1.17m | 3:54PM1.23m | 4:17AM1.42m | 5:12PM1.43m | ||||||||||||||||
 | |  |  |  |  | | | | | | | | |  | | | | | | | |
 | — | — | — | — | — | — | 7:48 | — | — | — | — | — | — | — | 7:48 | — | — | — | — | — | — |
 | — | — | — | 8:14 | — | — | — | — | — | — | — | 8:12 | — | — | — | — | — | — | — | 8:09 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 19 | 19 | 19 | 18 | 19 | 19 | 18 | 18 | 19 | 19 | 18 | 17 | 16 | 16 | 15 | 17 | 20 | 20 | 19 | 18 |
Feels °C | 18 | 18 | 17 | 18 | 18 | 19 | 19 | 18 | 17 | 18 | 18 | 18 | 17 | 16 | 16 | 15 | 17 | 19 | 19 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 13 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 |
| kJ | 725 | 651 | 604 | 538 | 404 | 315 | 309 | 309 | 296 | 357 | 1423 | 1948 | 2035 | 2005 | 1975 | 1723 | 1468 | 1279 | 1052 | 868 | 827 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | NW 16 | NW 12 | NW 12 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 10 | 53 | 214 | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 60 | 39 | 0 | 0 | 0 | 0 | 0 | 54 | 87 | 43 | 0 |
Best forecast wave conditions in La Cote Basque | |||||||||||||||||||||
Best forecast wave conditions in France | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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