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Guethary - Les Alcyons/Avalanche Surf Forecast
/ La Cote Basque (36 surf breaks) /
Surf Forecasts:
Guethary - Les Alcyons/Avalanche surfForecast / La Cote Basque / France
48hr Weather and Surf, issued 7 pm Wednesday 27 May 2026 CESTForecast update in hr min s Forecast update imminent
Guethary - Les Alcyons/Avalanche surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Guethary - Les Alcyons/Avalanche sea temperature is
19.9° C
(Which is 3.2°C warmer than normal for this time of year)How big are the waves at Guethary - Les Alcyons/Avalanche today (28 May):
- Morning surf: Morning surf (28 May, local time) - 3ft (0.9m), 10s period with WNW swell.
- Afternoon surf: Afternoon surf (28 May, local time) - 2.5ft (0.8m), 10s period with WNW swell.
- Evening surf: Evening surf (28 May, local time) - 2.5ft (0.7m), 10s period with NW swell.
The current surf forecast for Guethary - Les Alcyons/Avalanche at 1AM is: 0.9m 10s primary swell from a West-northwest direction (forecast issued at 07:00pm May 27). The wind direction is predicted to be cross-offshore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 May) | 3ft (0.9m) | 10s |
| Afternoon (28 May) | 2.5ft (0.8m) | 10s |
| Evening (28 May) | 2.5ft (0.7m) | 10s |
Table - waves today at Guethary - Les Alcyons/Avalanche. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 32°C on Wed night, min 15°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 27 | Thursday 28 | Friday 29 | Sat 30 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | NW 10 | WNW 10 | WNW 10 | WNW 10 | NW 9 | NW 9 | WNW 5 | NW 9 | WNW 9 | WNW 9 | NW 9 | NW 9 | NW 9 | NW 9 | |
247 | 242 | 238 | 166 | 157 | 157 | 127 | 133 | 141 | 133 | 100 | 86 | 64 | 61 | 41 | 41 | 32 | 41 | 32 | 31 | 25 | 24 | 25 | 23 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | glassy | cross-off | cross | cross-off | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross | cross-on | on | cross-on | |
High Tide | 3:06PM3.16m | 3:24AM3.23m | 3:46PM3.27m | 4:04AM3.27m | 4:23PM3.36m | 4:42AM3.31m | ||||||||||||||||||
Low Tide | 9:01PM0.79m | 9:22AM0.69m | 9:44PM0.68m | 10:01AM0.64m | 10:23PM0.59m | 10:37AM0.60m | ||||||||||||||||||
 | |  | | | | | | | | | | | | |  | | | |  | | | | | |
 | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — |
 | — | 9:35 | — | — | — | — | — | — | — | 9:36 | — | — | — | — | — | — | — | 9:37 | — | — | — | — | — | 9:37 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 33 | 32 | 28 | 25 | 21 | 22 | 26 | 30 | 32 | 31 | 22 | 16 | 16 | 16 | 18 | 19 | 20 | 18 | 16 | 15 | 15 | 15 | 17 | 18 |
32 | 32 | 28 | 25 | 21 | 22 | 26 | 29 | 31 | 30 | 21 | 15 | 15 | 16 | 17 | 19 | 21 | 18 | 16 | 14 | 15 | 15 | 17 | 17 | |
Swell 1 Height (m) Direction Period (s) | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | NW 10 | WNW 10 | WNW 10 | WNW 5 | NW 9 | WNW 5 | WNW 5 | NW 9 | WNW 9 | WNW 9 | NW 9 | WNW 5 | NW 5 | NW 9 |
 kJ | 247 | 242 | 238 | 166 | 157 | 157 | 127 | 133 | 141 | 133 | 100 | 86 | 64 | 27 | 41 | 33 | 31 | 41 | 32 | 31 | 20 | 21 | 25 | 19 |
Swell 2 Height (m) Direction Period (s) | WNW 4 | — | — | — | — | — | — | — | — | — | N 3 | N 3 | N 4 | WNW 10 | N 4 | NW 9 | WNW 9 | W 13 | WNW 12 | WNW 12 | WNW 11 | NW 9 | NW 9 | WNW 11 |
| kJ | 1 | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 61 | 1 | 41 | 32 | 13 | 14 | 14 | 25 | 19 | 19 | 23 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | N 4 | — | — | W 13 | — | — | — | — | WNW 11 | WNW 11 | N 11 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 4 | — | — | — | — | 24 | 23 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | WNW 3 | W 4 | — | WNW 5 | — | — | WNW 5 | W 5 | WNW 4 | WNW 5 | — | — | NW 5 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 3 | 13 | — | 33 | — | — | 20 | 16 | 15 | 19 | — | — | 19 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 6 | 6 | 0 | 0 | 12 | 0 | 1 | 1 | 1 | 6 | 36 | 31 | 17 | 17 | 433 | 465 | 333 | 325 | 17 | 17 | 17 | 17 | 288 | 414 |
Best forecast wave conditions in La Cote Basque | ||||||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||||||
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