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 05 Aug 2026 (local time)

Forecast update in  hr  min

Today's Guethary - Les Alcyons/Avalanche sea temperature is
24.6° C
3.0° 

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 (05 Aug):

  • Morning surf: Morning surf (05 Aug, local time) - 2ft (0.6m), 8s period with WNW swell.
  • Afternoon surf: Afternoon surf (05 Aug, local time) - 2ft (0.6m), 8s period with WNW swell.
  • Evening surf: Evening surf (05 Aug, local time) - 2ft (0.6m), 8s period with NW swell.

The current surf forecast for Guethary - Les Alcyons/Avalanche at 7PM is: 0.6m 8s primary swell from a Northwest direction and 0.2m 10s secondary swell from a West-northwest direction (forecast issued at 01:00pm August 05). The wind direction is predicted to be onshore.

Time (CEST) & DateWave HeightWave Period
Morning (05 Aug)2ft (0.6m)8s
Afternoon (05 Aug)2ft (0.6m)8s
Evening (05 Aug)2ft (0.6m)8s

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


Short Range Forecast

Some drizzle, heaviest during Wed afternoon. Warm (max 24°C on Fri afternoon, min 17°C on Fri morning). Wind will be generally light.

Wed
5
Thursday
6
Friday
7
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
1
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)
0.6
WNW
8
0.6
WNW
8
0.6
NW
8
0.6
NW
8
0.4
WNW
8
0.7
NW
9
0.9
NW
9
0.9
NW
8
0.9
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
0.6
NNW
6
Wave Graph
Metric surfscale
Energy kJ
42
43
53
51
24
88
107
118
115
95
109
104
86
82
68
62
46
44
35
34
26
Wind (km/h)
5
N
10
N
15
NNW
10
NNW
10
N
10
NNE
5
NE
10
ENE
10
NNE
15
NNW
15
NNW
10
NNW
5
WNW
0
WSW
5
SSW
5
S
5
N
10
NNW
15
NNW
10
NW
15
WSW
Wind State
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-off
cross
cross-on
cross-on
on
on
glassy
cross-off
cross-off
glassy
on
on
on
cross
High Tide
9:30AM3.18m
9:53PM3.21m
10:24AM3.04m
10:56PM3.03m
11:36AM2.95m
Low Tide
3:37PM0.76m
4:09AM0.80m
4:37PM0.91m
5:14AM0.97m
5:53PM1.00m
rain showers
rain showers
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:00
7:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:23
9:22
9:21
 mm
1
1
Temp °C
22
23
23
22
21
21
20
19
21
22
22
20
19
19
18
17
20
23
24
22
21
Feels °C
24
24
23
22
22
22
21
20
21
21
21
19
19
20
18
18
21
23
24
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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