Guethary - Les Alcyons/Avalanche Surf Break

Lat Long: 43.43° N 1.62° W

Guethary - Les Alcyons/Avalanche 48 hour detailed Surf Forecast

Issued: 7 pm 03 Sep 2026 (local time)

Forecast update in  hr  min

Today's Guethary - Les Alcyons/Avalanche sea temperature is
23.5°C
2.4° 

Guethary - Les Alcyons/Avalanche surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Guethary - Les Alcyons/Avalanche today (03 Sep):

  • Afternoon surf: Afternoon surf (03 Sep, local time) - 2ft (0.6m), 8s period with NW swell.
  • Evening surf: Evening surf (03 Sep, local time) - 2.5ft (0.7m), 8s period with NW swell.

The current surf forecast for Guethary - Les Alcyons/Avalanche at 11PM is: 0.7m 8s primary swell from a West-northwest direction and 0.3m 4s secondary swell from a North direction (forecast issued at 07:00pm September 03). The wind direction is predicted to be glassy.

Time (CEST) & DateWave HeightWave Period
Morning (03 Sep)--
Afternoon (03 Sep)2ft (0.6m)8s
Evening (03 Sep)2.5ft (0.7m)8s

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


Short Range Forecast

Mostly dry. Warm (max 29°C on Sat night, min 18°C on Sat morning). Wind will be generally light.

Thu
3
Friday
4
Saturday
5
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
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
1
1
3
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
NW
8
0.7
NW
8
0.7
WNW
8
0.4
NW
9
0.6
WNW
8
0.5
WNW
9
0.5
WNW
8
0.5
NW
8
0.7
NW
8
0.7
NW
9
0.8
WNW
9
0.8
WNW
9
0.9
NW
9
0.9
NW
9
0.9
NW
9
1.3
NW
11
1.5
NW
13
1.6
NW
12
1.6
NW
12
Wave Graph
Metric surfscale
Energy kJ
63
60
51
26
39
45
39
32
72
75
96
99
112
115
128
403
732
812
812
Wind (km/h)
15
N
5
NNW
5
SW
10
SW
5
SSE
5
SE
0
NNE
10
NW
10
WNW
10
WNW
10
WSW
5
SW
5
S
5
SE
10
ENE
10
N
10
N
5
SSE
5
NE
Wind State
cross-on
glassy
glassy
cross
cross-off
off
glassy
on
on
cross-on
cross
glassy
glassy
glassy
cross-off
cross-on
cross-on
glassy
cross
High Tide
9:30PM3.16m
9:59AM3.06m
10:42PM2.90m
11:21AM2.90m
Low Tide
3:13PM0.69m
3:42AM0.87m
4:17PM0.92m
4:53AM1.11m
5:44PM1.06m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:31
7:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:38
8:37
8:35
 mm
Temp °C
26
23
22
20
21
22
26
27
25
22
20
19
19
18
21
28
28
29
28
Feels °C
25
24
23
20
21
21
25
25
25
23
21
21
21
20
21
27
28
30
28
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

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