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 am 09 Aug 2026 (local time)

Forecast update in  hr  min

Today's Guethary - Les Alcyons/Avalanche sea temperature is
24.2° C
2.5° 

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 (09 Aug):

  • Morning surf: Morning surf (09 Aug, local time) - 2ft (0.6m), 11s period with NW swell.
  • Afternoon surf: Afternoon surf (09 Aug, local time) - 2.5ft (0.7m), 10s period with NW swell.
  • Evening surf: Evening surf (09 Aug, local time) - 2.5ft (0.7m), 10s period with NW swell.

The current surf forecast for Guethary - Les Alcyons/Avalanche at 2PM is: 0.6m 10s primary swell from a Northwest direction and 0.1m 9s secondary swell from a West direction, 0.3m 6s secondary swell from a Northwest direction (forecast issued at 07:00am August 09). The wind direction is predicted to be onshore.

Time (CEST) & DateWave HeightWave Period
Morning (09 Aug)2ft (0.6m)11s
Afternoon (09 Aug)2.5ft (0.7m)10s
Evening (09 Aug)2.5ft (0.7m)10s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Sun night. Warm (max 25°C on Tue afternoon, min 19°C on Tue morning). Wind will be generally light.

Sunday
9
Monday
10
Tuesday
11
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
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)
0.4
NW
11
0.6
NW
11
0.6
NW
10
0.6
NW
10
0.8
NW
10
0.7
NW
10
0.7
NW
10
0.7
NW
10
0.7
NW
9
0.7
NW
9
0.7
NW
9
0.7
NW
9
0.7
NW
9
0.7
NW
9
0.7
NW
10
0.7
NW
9
0.7
NW
9
0.7
NW
9
0.7
NW
9
0.6
NW
9
0.7
NW
9
0.6
NW
9
0.6
NW
8
Wave Graph
Metric surfscale
Energy kJ
43
75
89
82
117
94
92
90
87
83
81
81
81
87
90
81
79
78
76
59
73
59
55
Wind (km/h)
5
SSW
5
S
10
W
15
WNW
10
WNW
15
W
10
W
10
WSW
5
SW
5
WSW
5
WNW
10
NW
10
NW
10
NW
5
WNW
5
WSW
5
SSW
5
SW
5
WNW
15
NNW
10
NW
5
NW
10
W
Wind State
glassy
glassy
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
glassy
on
on
on
glassy
glassy
cross-off
cross
glassy
cross-on
on
on
cross-on
High Tide
2:25PM3.17m
3:06AM3.18m
3:31PM3.46m
4:06AM3.43m
4:25PM3.77m
Low Tide
7:56AM0.96m
8:38PM0.72m
9:04AM0.74m
9:41PM0.43m
10:01AM0.47m
10:34PM0.15m
cloud
part cloud
clear
clear
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:03
7:05
7:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:19
9:16
9:15
 mm
1
1
2
1
Temp °C
21
20
24
23
22
22
21
20
20
20
21
23
23
23
21
20
20
19
22
25
24
23
21
Feels °C
24
22
25
23
24
23
22
22
22
22
23
25
24
25
23
23
22
21
25
26
25
25
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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