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 am 24 Aug 2026 (local time)

Forecast update in  hr  min

Today's Guethary - Les Alcyons/Avalanche sea temperature is
24.3°C
2.7° 

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 (24 Aug):

  • Morning surf: Morning surf (24 Aug, local time) - 0.5ft (0.2m), 7s period with NNW swell.
  • Afternoon surf: Afternoon surf (24 Aug, local time) - 1ft (0.3m), 6s period with N swell.
  • Evening surf: Evening surf (24 Aug, local time) - 0.5ft (0.2m), 5s period with N swell.

The current surf forecast for Guethary - Les Alcyons/Avalanche at 2PM is: 0.3m 6s primary swell from a North direction and 0.2m 7s secondary swell from a North-northwest direction (forecast issued at 07:00am August 24). An open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (CEST) & DateWave HeightWave Period
Morning (24 Aug)0.5ft (0.2m)7s
Afternoon (24 Aug)1ft (0.3m)6s
Evening (24 Aug)0.5ft (0.2m)5s

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


Short Range Forecast

Mostly dry. Warm (max 31°C on Mon afternoon, min 18°C on Wed morning). Wind will be generally light.

Monday
24
Tuesday
25
Wednesday
26
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
5 PM
8 PM
11 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
NW
7
0.3
NW
7
0.3
N
6
0.3
N
6
0.2
N
5
0.2
N
5
0.1
NW
10
0.1
NW
6
0.1
NW
6
0.1
NW
14
0.1
NW
13
0.1
NW
13
0.3
NW
12
0.3
NW
12
0.3
NW
11
0.4
NW
11
0.4
NW
11
0.7
WNW
6
0.4
NW
10
0.5
NW
10
0.6
WNW
7
0.6
WNW
7
0.4
WNW
9
Wave Graph
Metric surfscale
Energy kJ
8
7
5
5
2
2
4
2
2
7
7
7
23
23
20
31
29
33
35
46
42
34
32
Wind (km/h)
15
ESE
15
SSE
15
S
10
SW
15
NW
10
WNW
10
SSW
15
S
15
SSW
10
SW
10
W
15
NW
15
NNW
10
NNW
0
NNW
5
SE
10
ESE
10
ESE
5
ESE
10
SW
5
NW
10
W
10
W
Wind State
cross-off
cross-off
cross-off
cross-off
on
on
cross-off
cross-off
cross-off
cross
cross-on
on
cross-on
cross-on
glassy
glassy
off
cross-off
off
cross
on
cross-on
cross-on
High Tide
3:07AM2.71m
3:24PM2.96m
3:51AM2.93m
4:05PM3.21m
4:26AM3.14m
4:39PM3.45m
Low Tide
8:57AM1.19m
9:30PM0.99m
9:43AM0.95m
10:11PM0.74m
10:20AM0.71m
10:46PM0.50m
clear
clear
clear
part cloud
clear
clear
cloud
cloud
part cloud
clear
clear
part cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:20
7:20
7:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:55
8:53
8:52
 mm
Temp °C
19
21
29
31
28
25
23
21
21
20
24
24
24
22
21
20
19
18
23
31
30
28
22
Feels °C
18
21
28
29
26
26
24
21
20
20
23
23
24
23
24
22
20
18
23
30
30
28
22
  • 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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