Guethary - Les Alcyons/Avalanche Surf Break

Guethary - Les Alcyons/Avalanche 48 hour detailed Surf Forecast

Lat Long: 43.43° N 1.62° W

Issued: 7 pm 17 Jun 2026 (local time)

Forecast update in  hr  min

Today's Guethary - Les Alcyons/Avalanche sea temperature is
21.0° C

2.3°C warmer than normal for this time of year

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 (17 Jun):

  • Afternoon surf: Afternoon surf (17 Jun, local time) - 3ft (0.9m), 10s period with WNW swell.
  • Evening surf: Evening surf (17 Jun, local time) - 3ft (0.9m), 11s period with WNW swell.

The current surf forecast for Guethary - Les Alcyons/Avalanche at 11PM is: 0.9m 11s primary swell from a West-northwest direction (forecast issued at 07:00pm June 17). The wind direction is predicted to be cross-onshore.

Time (CEST) & DateWave HeightWave Period
Morning (17 Jun)--
Afternoon (17 Jun)3ft (0.9m)10s
Evening (17 Jun)3ft (0.9m)11s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 2mm), mostly falling on Fri night. Warm (max 32°C on Thu afternoon, min 18°C on Wed night). Wind will be generally light.

Wed
17
Thursday
18
Friday
19
Sat
20
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
2 AM
5 AM
8 AM
11 AM
2 PM
Rating
(10 max)
0
1
0
1
2
2
1
0
0
1
0
1
1
1
1
0
0
0
0
0
1
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)
0.9
WNW
11
0.9
WNW
11
0.9
WNW
11
1
WNW
11
0.9
WNW
11
1
WNW
11
0.9
WNW
10
0.9
WNW
10
0.9
WNW
10
0.9
WNW
10
1
WNW
10
0.9
WNW
10
0.9
WNW
10
0.9
WNW
10
0.9
WNW
10
0.9
WNW
10
0.8
WNW
9
0.8
WNW
9
0.8
WNW
9
0.8
WNW
9
0.8
WNW
9
0.8
WNW
9
0.8
WNW
9
0.7
WNW
8
Wave Graph
Metric surfscale
Energy kJ
161
200
193
230
206
214
170
160
157
154
204
154
157
154
151
148
113
108
94
92
90
88
84
62
Wind (km/h)
10
NW
10
WNW
15
W
10
WSW
5
S
10
ESE
5
ESE
5
NW
10
NW
10
E
25
WSW
5
S
10
ESE
10
SE
5
SSW
10
NW
10
NNW
15
W
15
W
5
SSE
15
E
5
SSE
10
ESE
10
NNE
Wind State
on
cross-on
cross-on
cross
glassy
off
off
on
on
cross-off
cross-on
glassy
off
off
glassy
on
cross-on
cross-on
cross-on
off
cross-off
glassy
off
cross-on
High Tide
7:12PM3.99m
7:45AM3.60m
8:04PM3.88m
8:38AM3.43m
8:57PM3.71m
9:32AM3.24m
Low Tide
1:24AM0.03m
1:39PM0.30m
2:17AM0.18m
2:30PM0.45m
3:10AM0.37m
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
part cloud
light rain
cloud
thunderstorm
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
6:24
6:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:49
9:49
9:50
9:50
 mm
1
1
Temp °C
22
21
19
18
18
20
28
32
30
28
21
19
19
21
25
28
26
21
19
19
19
20
26
31
Feels °C
24
22
19
19
20
21
28
31
30
29
20
21
19
20
24
26
25
20
19
20
19
22
27
30
Swell 1
Height (m)
Direction
Period (s)
0.9
WNW
11
0.9
WNW
11
0.9
WNW
11
1
WNW
11
0.9
WNW
11
1
WNW
11
0.9
WNW
10
0.9
WNW
10
0.9
WNW
10
0.9
WNW
10
0.9
WNW
10
0.9
WNW
10
0.9
WNW
10
0.9
WNW
10
0.9
WNW
10
0.8
WNW
9
0.8
WNW
9
0.8
WNW
9
0.8
WNW
9
0.8
WNW
9
0.8
WNW
9
0.8
WNW
9
0.7
WNW
8
Energy kJ
161
200
193
230
206
214
170
160
157
154
154
157
154
151
148
113
108
94
92
90
88
84
62
Swell 2
Height (m)
Direction
Period (s)
0.3
NW
4
0.3
NNW
4
0.5
NW
4
0.5
NW
4
0.6
NW
4
0.5
NW
4
0.4
NNW
4
Energy kJ
3
3
7
7
10
8
7
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
0.3
NW
3
1
WNW
10
0.7
WNW
4
0.6
WNW
3
0.3
NNW
4
Energy kJ
2
204
13
7
3
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
12
12
12
12
0
0
0
4
87
0
12
0
0
0
0
12
87
91
43
1
0
1
1
6
Best forecast wave conditions in La Cote Basque
Rating
(10 max)
1
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in France
Rating
(10 max)
1
1
2
2
2
2
2
1
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
Header Global
Rating
(10 max)
4
4
5
5
5
9
9
9
5
5
5
5
6
6
6
5
9
5
4
5
4
4
4
5
  • 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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