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 am 28 Aug 2026 (local time)

Forecast update in  hr  min

Today's Guethary - Les Alcyons/Avalanche sea temperature is
24.1°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 (28 Aug):

  • Morning surf: Morning surf (28 Aug, local time) - 4.5ft (1.3m), 7s period with WNW swell.
  • Afternoon surf: Afternoon surf (28 Aug, local time) - 5ft (1.5m), 8s period with WNW swell.
  • Evening surf: Evening surf (28 Aug, local time) - 4.5ft (1.4m), 8s period with WNW swell.

The current surf forecast for Guethary - Les Alcyons/Avalanche at 7AM is: 1.0m 8s primary swell from a West-northwest direction and 0.3m 11s secondary swell from a Northwest direction, 0.9m 5s secondary swell from a West-northwest direction (forecast issued at 01:00am August 28). The wind direction is predicted to be cross-shore.

Time (CEST) & DateWave HeightWave Period
Morning (28 Aug)4.5ft (1.3m)7s
Afternoon (28 Aug)5ft (1.5m)8s
Evening (28 Aug)4.5ft (1.4m)8s

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


Short Range Forecast

Mostly dry. Warm (max 24°C on Fri afternoon, min 17°C on Sun morning). Wind will be generally light.

Friday
28
Saturday
29
Sunday
30
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
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
0
0
0
0
1
0
1
2
3
3
3
3
0
0
1
1
2
2
2
3
1
0
0
2
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)
0.7
WNW
8
0.9
WNW
5
1.2
WNW
7
1.5
WNW
8
1.5
WNW
8
1.5
WNW
8
1.4
WNW
8
1.2
WNW
8
1.6
WNW
10
2.2
WNW
10
2.1
WNW
10
1.9
WNW
9
1.7
WNW
9
1.5
WNW
9
1.4
WNW
9
1.4
WNW
8
1.5
WNW
9
1.4
WNW
9
1.4
NW
9
1.6
NW
11
1.6
NW
10
1.5
NW
10
1.5
NW
9
1.4
NW
9
Wave Graph
Metric surfscale
Energy kJ
56
40
153
247
278
300
248
179
500
908
850
612
459
331
280
273
346
293
302
561
538
415
390
328
Wind (km/h)
25
SW
15
WSW
15
SW
15
WSW
10
WNW
15
NW
5
W
5
SSW
10
SSW
5
S
5
SSE
5
NE
10
NNW
15
NNW
5
WNW
10
SW
5
SSW
10
SSE
5
SE
5
ENE
15
NW
15
NW
15
NW
5
W
Wind State
cross
cross
cross
cross
cross-on
on
cross-on
cross-off
cross-off
cross-off
cross-off
glassy
on
cross-on
cross-on
cross
cross-off
off
off
glassy
on
on
on
glassy
High Tide
5:29AM3.50m
5:41PM3.80m
6:00AM3.62m
6:13PM3.88m
6:31AM3.68m
6:45PM3.89m
Low Tide
11:18PM0.31m
11:26AM0.32m
11:50PM0.17m
11:59AM0.21m
00:22AM0.10m
12:31PM0.16m
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:24
7:26
7:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:49
8:47
8:45
 mm
Temp °C
21
19
18
21
24
23
22
20
20
18
18
21
23
23
22
20
19
18
17
21
23
22
21
20
Feels °C
16
16
15
17
21
20
21
19
19
17
17
21
22
22
23
20
19
18
17
22
22
21
21
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 

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