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Surf Forecasts:

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

information circle48hr Weather and Surf, issued 6 am Wednesday 11 Mar 2026 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
13.3° 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 2PM is: 2.5m 14s primary swell from a Northwest direction (forecast issued at 06:00am March 11). The wind direction is predicted to be cross-shore.

Time (CET) & DateWave HeightWave Period
Morning (11 Mar)7ft (2.1m)14s
Afternoon (11 Mar)8ft (2.5m)14s
Evening (11 Mar)8ft (2.5m)14s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Wednesday
11
Thursday
12
Friday
13
Sat
14
4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM
Rating
(10 max)
3
3
2
3
1
2
3
5
5
5
5
4
4
4
4
4
4
4
4
4
4
0
4
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.6
NW
1.8
NW
2.2
NW
2.4
WNW
2.5
NW
3
NW
2.5
WNW
3
NW
3
NW
3.5
NW
3
NW
3
NW
3
NW
2.5
NW
2.4
NW
2.3
NW
2.1
NW
2.1
NW
2.3
NW
2.3
NW
3
NW
3
NW
4
NW
4
NW
Period(s) (?)121414141414141415151414141313131312121214141515
Wave
Graph
(?)Metric surfscale
Energy kJ (?)73013031748206425712931293933834334471942753805309925672036178313911359151815183285399666917275
Wind
(km/h)
5
S
10
SW
15
WSW
10
WSW
20
WSW
10
WNW
5
WSW
5
S
5
SSE
5
SSE
5
SE
5
NNW
10
N
5
NE
5
S
5
SSE
5
SSE
10
SSE
5
S
5
WSW
5
W
25
NW
20
W
30
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		crosscross-
on		cross-
on		cross-
on		cross-
on		crosscross-
off		cross-
off		offglasscross-
on		cross-
on		glassglasscross-
off		cross-
off		cross-
off		glassglasscross-
on		oncross-
on		cross-
on
High Tide
/ height (m)
9:07AM
2.58
9:38PM
2.58
10:36AM
2.39
11:30PM
2.50
12:39PM
2.44
Low Tide
/ height (m)
3:02AM
1.26
3:26PM
1.43
4:19AM
1.47
4:58PM
1.57
6:05AM
1.48
6:38PM
1.47
Wednesday
11
Thursday
12
Friday
13
Sat
14
Sunrise--7:26-------7:24-------7:22-----
Sunset-----7:07-------7:07-------7:08--
cloud
cloud
cloud
cloud
light rain
rain showers
clear
cloud
cloud
cloud
cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
light rain
mod rain
Rain (mm)
----11----------------57
Temp. °C101111121112121111101114141312121211141718141110
Feels °C (?)898107101099891212121110108121516974
  • 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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