Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 7 pm 09 Aug 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
17.2° C
0.4° 

Valnäs - Nord Koster surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Time (CEST) & DateWave HeightWave Period
Morning (10 Aug)5.5ft (1.7m)6s
Afternoon (10 Aug)5ft (1.6m)6s
Evening (10 Aug)5ft (1.6m)6s

Table - waves today at Valnäs - Nord Koster. (Swell directed towards the surf break)


Short Range Forecast

Some drizzle, heaviest during Sun night. Very mild (max 19°C on Mon afternoon, min 13°C on Wed morning). Winds decreasing (strong winds from the W on Mon morning, light winds from the WNW by Tue morning).

Sun
9
Monday
10
Tuesday
11
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
SSW
5
1
SSW
5
1
SSW
5
1.4
SW
5
1.4
SW
6
1.7
SW
6
1.7
SW
6
1.6
SW
6
1.6
SW
6
1.6
SW
6
1.5
SW
7
1.2
SW
7
0.9
SW
7
0.7
SW
6
0.5
SW
6
0.4
SW
6
0.4
SW
6
0.3
SW
5
0.1
W
9
Wave Graph
Metric surfscale
Energy kJ
0
0
0
0
123
202
212
200
188
202
192
124
75
41
0
11
8
4
2
Wind (km/h)
30
S
30
SSW
30
SW
40
SW
40
SW
50
W
45
WSW
45
WSW
45
W
35
W
30
WNW
35
NNE
20
N
10
WNW
15
W
15
SW
20
SSW
15
SSW
15
SSE
Wind State
cross-off
cross-off
cross
cross
cross
cross-on
cross-on
cross
cross-on
cross-on
on
cross-on
cross-on
on
cross-on
cross
cross-off
cross-off
cross-off
High Tide
2:53PM0.29m
3:26AM0.33m
3:39PM0.31m
4:10AM0.34m
4:26PM0.32m
Low Tide
8:25PM0.02m
9:02AM0.04m
9:17PM-0.00m
9:49AM0.02m
10:07PM-0.01m
cloud
cloud
cloud
cloud
light rain
clear
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:22
5:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:21
9:17
9:15
 mm
1
Temp °C
18
18
17
16
16
15
15
17
19
19
17
15
14
15
15
16
16
16
16
Feels °C
13
13
13
9
9
5
6
8
10
12
10
7
9
13
12
13
12
13
14
  • 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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