Guethary - Les Alcyons/Avalanche Surf Break

Lat Long: 43.43° N 1.62° W

Guethary - Les Alcyons/Avalanche 48 hour detailed Surf Forecast

Issued: 1 pm 06 Aug 2026 (local time)

Forecast update in  hr  min

Today's Guethary - Les Alcyons/Avalanche sea temperature is
24.7° C
3.1° 

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 (06 Aug):

  • Morning surf: Morning surf (06 Aug, local time) - 3ft (0.9m), 8s period with NW swell.
  • Afternoon surf: Afternoon surf (06 Aug, local time) - 3ft (0.9m), 8s period with NW swell.
  • Evening surf: Evening surf (06 Aug, local time) - 3ft (0.9m), 8s period with NW swell.

The current surf forecast for Guethary - Les Alcyons/Avalanche at 5PM is: 0.9m 8s primary swell from a Northwest direction and 0.2m 10s secondary swell from a West-northwest direction (forecast issued at 01:00pm August 06). The wind direction is predicted to be cross-onshore.

Time (CEST) & DateWave HeightWave Period
Morning (06 Aug)3ft (0.9m)8s
Afternoon (06 Aug)3ft (0.9m)8s
Evening (06 Aug)3ft (0.9m)8s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Sat night. Warm (max 25°C on Sat afternoon, min 18°C on Thu night). Wind will be generally light.

Thu
6
Friday
7
Saturday
8
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
NW
8
0.8
NW
8
0.9
NW
8
0.9
NW
8
0.9
NW
8
0.9
NW
8
0.8
NNW
7
0.8
NNW
7
0.7
NW
7
0.7
NW
7
0.7
NNW
6
0.7
NNW
6
0.7
NNW
6
0.7
NNW
6
0.6
NNW
6
0.5
NW
6
0.4
NNW
6
0.4
NNW
5
0.4
NNW
5
0.4
NNW
5
0.2
NNW
12
Wave Graph
Metric surfscale
Energy kJ
97
95
109
104
86
82
68
64
46
44
33
34
34
33
24
16
12
11
11
9
14
Wind (km/h)
10
NNE
15
NNW
15
NNW
10
NNW
5
WNW
5
W
5
SW
5
SSW
5
WNW
15
NW
15
NW
10
NW
10
WSW
10
SW
10
SW
5
SSW
5
NE
15
NNW
15
NW
10
SE
10
N
Wind State
cross
cross-on
cross-on
cross-on
on
glassy
cross
cross-off
glassy
on
on
on
cross-on
cross
cross
glassy
glassy
cross-on
on
off
cross-on
High Tide
10:24AM3.04m
10:56PM3.03m
11:36AM2.95m
00:20AM2.92m
1:03PM2.97m
Low Tide
4:37PM0.91m
5:14AM0.97m
5:53PM1.00m
6:34AM1.05m
7:20PM0.94m
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
rain showers
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:01
7:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:22
9:21
9:20
 mm
1
3
Temp °C
21
22
22
21
19
19
18
18
20
22
23
22
20
19
18
18
23
24
25
22
20
Feels °C
21
21
21
21
19
20
18
19
21
21
22
23
21
19
18
19
24
24
25
23
21
  • 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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