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Surf Forecasts:

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

information circle48hr Weather and Surf, issued 6 am Thursday 20 Nov 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
16.6° C
 (Which is 1.9°C warmer than normal for this time of year)

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

The current surf forecast for Guethary - Les Alcyons/Avalanche at 11AM is: 2.1m 9s primary swell from a Northwest direction (forecast issued at 06:00am November 20). The wind direction is predicted to be cross-onshore.

Time (CET) & DateWave HeightWave Period
Morning (20 Nov)7ft (2.1m)9s
Afternoon (20 Nov)6.5ft (2.0m)9s
Evening (20 Nov)7ft (2.1m)9s

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
Thursday
20
Friday
21
Saturday
22
Sun
23
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)
0
1
1
2
2
0
0
0
1
3
2
3
2
0
2
2
2
2
2
2
2
2
2
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2.1
NNW
2.1
NNW
2.1
NW
2
NW
1.9
NW
2
NW
2.2
NW
2.1
NW
2.1
NW
1.9
NW
1.8
NW
1.8
NW
1.8
NW
1.7
NNW
1.6
NNW
1.5
NNW
1.3
NNW
1.2
NNW
0.6
WNW
0.6
WNW
0.8
WNW
0.8
WNW
0.8
WNW
0.8
WNW
Period(s) (?)889999988889988887131313131313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)558616673649612640714581533475459493481374326285208138141133192195195192
Wind
(km/h)
20
N
10
N
10
NNE
10
NE
10
NW
30
NW
25
NNW
25
N
15
NE
10
E
5
SSE
5
W
10
N
15
NNE
10
E
10
E
5
SE
5
SSE
10
SE
5
SSW
5
S
10
S
10
SSW
20
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		crossonononcross-
on		crosscross-
off		offglasscross-
on		cross-
on		cross-
off		cross-
off		offcross-
off		offglassglasscross-
off		cross-
off		cross
High Tide
/ height (m)
4:08AM
3.52
4:26PM
3.43
4:39AM
3.54
4:59PM
3.39
5:11AM
3.51
5:32PM
3.31
Low Tide
/ height (m)
10:12AM
0.43
10:25PM
0.50
10:47AM
0.43
10:59PM
0.55
11:22AM
0.49
11:33PM
0.63
Thursday
20
Friday
21
Saturday
22
Sun
23
Sunrise--8:04-------8:06-------8:07-----
Sunset----5:37-------5:37-------5:36---
rain showers
light rain
light rain
light rain
light rain
thunderstorm
light rain
light rain
light rain
light rain
light rain
light rain
light rain
rain showers
rain showers
cloud
clear
part cloud
cloud
part cloud
part cloud
cloud
light rain
light rain
Rain (mm)
112234533111211-------13
Temp. °C109977910865556876556810879
Feels °C (?)566442322223334322257434
  • 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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