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 26 Jul 2026 (local time)

Forecast update in  hr  min

Today's Guethary - Les Alcyons/Avalanche sea temperature is
25.1° C
3.7° 

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 (26 Jul):

  • Morning surf: Morning surf (26 Jul, local time) - 5ft (1.6m), 7s period with NW swell.
  • Afternoon surf: Afternoon surf (26 Jul, local time) - 5ft (1.6m), 7s period with NW swell.
  • Evening surf: Evening surf (26 Jul, local time) - 4.5ft (1.3m), 6s period with NW swell.

The current surf forecast for Guethary - Les Alcyons/Avalanche at 6PM is: 1.4m 7s primary swell from a Northwest direction and 0.1m 12s secondary swell from a Northwest direction (forecast issued at 01:00pm July 26). The wind direction is predicted to be onshore.

Time (CEST) & DateWave HeightWave Period
Morning (26 Jul)5ft (1.6m)7s
Afternoon (26 Jul)5ft (1.6m)7s
Evening (26 Jul)4.5ft (1.3m)6s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Sun afternoon. Warm (max 37°C on Tue night, min 17°C on Mon night). Wind will be generally light.

Sun
26
Monday
27
Tuesday
28
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
1
1
1
1
0
1
2
2
2
2
2
2
1
1
2
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)
1.6
NW
7
1.6
NW
7
1.4
NW
7
1.3
NW
6
1.2
NW
6
1.2
NW
7
1.2
NW
7
1.3
NW
7
0.9
NW
11
1.6
NW
10
1.6
NW
10
1.5
NW
10
1.5
NW
10
1.5
NW
10
1.5
NW
10
1.3
NW
10
1.3
NW
10
1.3
NW
10
1.2
NW
10
1.2
NW
10
1.1
NW
10
Wave Graph
Metric surfscale
Energy kJ
240
219
176
134
113
124
135
165
194
498
459
408
416
425
433
362
362
362
284
279
250
Wind (km/h)
20
WNW
20
WNW
20
WNW
15
WNW
10
WSW
15
WSW
10
WSW
10
NW
10
NNW
10
NNW
10
NNW
10
N
0
NNE
5
ESE
5
SE
5
SE
5
E
5
N
10
NNE
15
NE
10
S
Wind State
on
on
on
cross-on
cross-on
cross
cross
on
cross-on
on
cross-on
cross-on
glassy
off
off
off
cross-off
glassy
cross
cross
cross-off
High Tide
3:43PM3.02m
4:10AM2.97m
4:26PM3.21m
4:49AM3.12m
5:03PM3.39m
Low Tide
9:16AM1.10m
9:48PM0.94m
10:02AM0.93m
10:31PM0.76m
10:42AM0.75m
rain showers
rain showers
clear
part cloud
cloud
cloud
cloud
light rain
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:50
6:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:36
9:35
9:34
 mm
1
1
1
Temp °C
21
21
22
21
20
20
20
20
20
21
21
21
19
18
17
18
26
34
36
37
31
Feels °C
19
18
20
20
20
20
20
21
21
22
21
21
20
19
17
18
26
34
34
34
30
  • 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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