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 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):

  • 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 11PM is: 0.9m 8s primary swell from a Northwest direction and 0.2m 10s secondary swell from a West-northwest direction (forecast issued at 07:00pm August 06). The wind direction is predicted to be onshore.

Time (CEST) & DateWave HeightWave Period
Morning (06 Aug)--
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 7mm), mostly falling on Sat night. Warm (max 26°C on Sat afternoon, min 18°C on Thu night). Wind will be generally light.

Thu
6
Friday
7
Saturday
8
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
NW
8
0.9
NW
8
0.9
NW
8
0.9
NW
8
0.8
NNW
7
0.7
NW
7
0.7
NW
7
0.7
NW
7
0.6
NNW
7
0.7
NNW
6
0.7
NNW
6
0.6
NNW
6
0.6
NNW
6
0.6
NNW
6
0.5
NNW
6
0.5
NNW
5
0.5
NNW
5
0.4
NNW
5
0.2
NNW
12
Wave Graph
Metric surfscale
Energy kJ
109
91
86
82
68
53
47
46
29
33
33
25
24
22
17
16
15
9
14
Wind (km/h)
15
NNW
10
NNW
5
NW
5
W
5
SW
5
SSW
0
W
10
NW
15
NW
10
NNW
10
WSW
10
SW
10
SW
5
S
5
E
15
NNW
10
NW
15
N
15
WNW
Wind State
cross-on
cross-on
on
glassy
cross
cross-off
glassy
on
on
cross-on
cross
cross
cross
cross-off
glassy
cross-on
on
cross-on
on
High Tide
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
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
2
4
Temp °C
22
21
20
19
18
18
20
22
23
22
20
19
19
19
24
26
25
26
21
Feels °C
21
21
20
19
18
19
21
21
22
23
20
19
19
20
25
25
25
26
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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Guethary - Les Alcyons/Avalanche surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


Nearest locationNearest