
Surf Forecasts:
How big are the waves at Guethary - Les Alcyons/Avalanche today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 0.5ft (0.2m), 8s period with WNW swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 0.5ft (0.2m), 8s period with WNW swell.
- Evening surf: Evening surf (18 Jul, local time) - 0.5ft (0.2m), 8s period with WNW swell.
The current surf forecast for Guethary - Les Alcyons/Avalanche at 11AM is: 0.2m 8s primary swell from a West-northwest direction and 0.3m 4s secondary swell from a North-northwest direction (forecast issued at 07:00am July 18). The wind direction is predicted to be cross-shore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 0.5ft (0.2m) | 8s |
| Afternoon (18 Jul) | 0.5ft (0.2m) | 8s |
| Evening (18 Jul) | 0.5ft (0.2m) | 8s |
Table - waves today at Guethary - Les Alcyons/Avalanche. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 25°C on Sun afternoon, min 19°C on Sun morning). Wind will be generally light. | |||||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | |||||||||||||||||||||
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) | NW 4 | NW 4 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 9 | WNW 9 | WNW 9 | NNW 4 | NNW 10 | NNW 5 | NW 9 | NW 9 | NNW 6 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | N 7 | NNW 7 |
Wave Graph | |||||||||||||||||||||||
7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 7 | 7 | 10 | 9 | 13 | 20 | 48 | 149 | 124 | 77 | 62 | 75 | 105 | 100 | 118 | |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross | on | on | on | glassy | glassy | cross | cross | cross-on | on | on | cross-on | cross | cross | cross | cross | cross-on | on | on | cross-on | cross-on |
High Tide | 8:13AM3.57m | 8:30PM3.83m | 8:57AM3.39m | 9:15PM3.56m | 9:43AM3.19m | 10:03PM3.26m | |||||||||||||||||
Low Tide | 2:06PM0.27m | 2:40AM0.26m | 2:52PM0.47m | 3:25AM0.51m | 3:40PM0.70m | ||||||||||||||||||
6:41 | — | — | — | — | — | — | — | 6:41 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | |
— | — | — | — | — | 9:43 | — | — | — | — | — | — | — | 9:42 | — | — | — | — | — | — | — | 9:40 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 20 | 22 | 22 | 23 | 22 | 21 | 20 | 20 | 19 | 22 | 24 | 25 | 24 | 22 | 21 | 21 | 21 | 23 | 24 | 24 | 23 | 21 |
Feels °C | 22 | 22 | 24 | 22 | 23 | 23 | 23 | 22 | 22 | 20 | 24 | 25 | 25 | 25 | 22 | 20 | 21 | 21 | 23 | 25 | 23 | 21 | 19 |
Swell 1 Height (m) Direction Period (s) | NW 4 | NW 4 | NNW 4 | WNW 8 | WNW 8 | WNW 8 | NNW 4 | NNW 4 | NW 4 | NNW 4 | NNW 4 | NNW 5 | NNW 5 | NNW 5 | NNW 6 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | N 7 | NNW 7 |
4 | 4 | 3 | 7 | 7 | 7 | 3 | 5 | 4 | 6 | 6 | 7 | 7 | 7 | 48 | 149 | 124 | 77 | 62 | 75 | 105 | 100 | 118 | |
Swell 2 Height (m) Direction Period (s) | WNW 8 | WNW 8 | WNW 8 | — | — | N 11 | WNW 9 | WNW 9 | N 4 | NW 10 | WNW 8 | WNW 8 | NW 9 | NW 9 | NW 9 | W 14 | W 14 | NW 8 | NW 8 | NW 8 | NW 13 | NW 12 | NW 12 |
7 | 7 | 7 | — | — | 2 | 7 | 8 | 3 | 4 | 7 | 7 | 13 | 20 | 12 | 4 | 4 | 17 | 11 | 16 | 6 | 6 | 6 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | NW 11 | NW 11 | WNW 9 | WNW 8 | NNW 10 | NNW 9 | WNW 8 | — | WNW 8 | — | — | W 13 | W 13 | W 13 | — | — | — |
— | — | — | — | — | — | 5 | 4 | 7 | 7 | 10 | 9 | 6 | — | 6 | — | — | 3 | 3 | 3 | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | — | — | NNW 4 | NNW 4 | NNW 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | 2 | 3 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 876 | 857 | 1168 | 1289 | 1289 | 727 | 619 | 619 | 554 | 578 | 548 | 465 | 465 | 197 | 17 | 12 | 13 | 17 | 27 | 87 | 87 | 13 | 39 |
Best forecast wave conditions in La Cote Basque | |||||||||||||||||||||||
Best forecast wave conditions in France | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)












