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Surf Forecasts:

Guethary - Les Alcyons/Avalanche surfForecast / La Cote Basque / France

information circle48hr Weather and Surf, issued 12 pm Monday 29 Dec 2025 CET
Forecast 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
13.9° C
 (Which is slightly warmer than usual)

How big are the waves at Guethary - Les Alcyons/Avalanche today?

The current surf forecast for Guethary - Les Alcyons/Avalanche at 6PM is: 0.2m 14s primary swell from a West-northwest direction and 0.3m 10s secondary swell from a Northwest direction (forecast issued at 12:00pm December 29). The wind direction is predicted to be glassy.

Time (CET) & DateWave HeightWave Period
Morning (29 Dec)1ft (0.3m)11s
Afternoon (29 Dec)1.5ft (0.4m)11s
Evening (29 Dec)1ft (0.3m)13s

Table - waves today at Guethary - Les Alcyons/Avalanche. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Monday
29
Tuesday
30
Wednesday
31
Thursday
01
10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.3
WNW
0.4
NW
0.4
NW
0.3
NW
0.3
WNW
0.3
WNW
0.3
WNW
0.3
WNW
0.3
WNW
0.2
WNW
0.3
WNW
0.3
WNW
0.4
WNW
0.4
WNW
0.4
WNW
0.5
WNW
0.5
WNW
0.5
WNW
0.5
WNW
0.5
WNW
0.5
WNW
0.5
WNW
0.4
WNW
0.4
WNW
Period(s) (?)111111101313131312181216161615151414131313131312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)24304118353535323131315210095861211181111029998986561
Wind
(km/h)
5
SSE
5
W
5
NW
0
WSW
5
SSW
10
SW
10
WSW
10
W
10
NW
15
NW
15
NW
15
NNW
5
NNW
10
N
5
NNE
5
NNE
5
NNE
5
NNW
5
NNW
5
E
5
SE
5
SE
10
SE
10
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglassglassglassglasscrosscrosscross-
on		onononononcross-
on		cross-
on		crosscrossglassglassglassoffoffoffoff
High Tide
/ height (m)
11:13AM
3.11
11:58PM
3.03
12:28PM
3.17
1:07AM
3.20
1:39PM
3.30
2:10AM
3.42
Low Tide
/ height (m)
5:34PM
0.81
6:05AM
0.88
6:42PM
0.74
7:15AM
0.70
7:46PM
0.61
Monday
29
Tuesday
30
Wednesday
31
Thursday
01
Sunrise--------8:37-------8:38-------
Sunset--5:37-------5:37-------5:38-----
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
light rain
cloud
light rain
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
--------1-1-------------
Temp. °C10121211111010111111109864334543334
Feels °C (?)81010101087988766310012200-10
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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View detailed surf forecast for Guethary - Les Alcyons/Avalanche at:
surf-forecast.com

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