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 14 Aug 2026 (local time)

Forecast update in  hr  min

Today's Guethary - Les Alcyons/Avalanche sea temperature is
24.2° C
2.4° 

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 (14 Aug):

  • Morning surf: Morning surf (14 Aug, local time) - 2ft (0.6m), 10s period with WNW swell.
  • Afternoon surf: Afternoon surf (14 Aug, local time) - 2ft (0.6m), 10s period with WNW swell.
  • Evening surf: Evening surf (14 Aug, local time) - 2ft (0.6m), 9s period with WNW swell.

The current surf forecast for Guethary - Les Alcyons/Avalanche at 5AM is: 0.6m 11s primary swell from a West-northwest direction and 0.1m 6s secondary swell from a North direction, 0.5m 4s secondary swell from a West direction (forecast issued at 01:00am August 14). The wind direction is predicted to be cross-onshore.

Time (CEST) & DateWave HeightWave Period
Morning (14 Aug)2ft (0.6m)10s
Afternoon (14 Aug)2ft (0.6m)10s
Evening (14 Aug)2ft (0.6m)9s

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


Short Range Forecast

Some drizzle, heaviest during Sat night. Warm (max 24°C on Fri afternoon, min 20°C on Sun night). Wind will be generally light.

Friday
14
Saturday
15
Sunday
16
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
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
WNW
11
0.6
WNW
11
0.6
WNW
10
0.8
WNW
10
0.6
WNW
10
0.6
WNW
10
0.6
WNW
9
0.6
WNW
9
0.6
WNW
9
0.7
WNW
9
0.7
WNW
9
0.7
WNW
9
0.7
WNW
9
0.7
WNW
8
0.7
WNW
8
0.8
NW
6
0.6
WNW
8
0.9
NW
8
0.9
NW
8
0.9
NW
8
0.9
NW
8
0.9
NW
8
0.7
NW
8
1
NW
7
Wave Graph
Metric surfscale
Energy kJ
93
90
80
111
75
74
69
68
66
73
71
71
70
64
62
47
46
112
109
95
95
107
65
105
Wind (km/h)
15
WSW
15
WSW
10
WSW
10
WNW
10
NW
10
WNW
15
W
15
W
10
WSW
10
W
10
WSW
15
W
15
WNW
10
WNW
15
W
10
WSW
5
WSW
10
WSW
10
WSW
5
W
10
WNW
10
NW
10
WNW
10
W
Wind State
cross
cross-on
cross
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross
glassy
cross
cross-on
cross-on
on
on
on
cross-on
High Tide
6:23AM3.83m
6:38PM4.16m
7:02AM3.79m
7:18PM4.05m
7:40AM3.68m
7:56PM3.82m
Low Tide
00:05AM-0.14m
12:16PM-0.01m
00:46AM-0.12m
12:56PM0.03m
1:25AM0.01m
1:36PM0.16m
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
rain showers
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:09
7:09
7:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:12
9:09
9:08
 mm
1
Temp °C
21
21
21
23
24
24
23
22
21
21
21
22
23
24
22
21
21
21
21
22
23
23
22
21
Feels °C
22
22
23
25
26
26
24
24
23
23
23
23
24
26
22
23
23
23
22
24
24
24
24
23
  • 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
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