Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 7 am 11 Sep 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
16.5°C
1.5° 

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

Short Range Forecast

Light rain (total 3mm), mostly falling on Fri afternoon. Very mild (max 17°C on Sun afternoon, min 13°C on Sun night). Mainly fresh winds.

Friday
11
Saturday
12
Sunday
13
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)
1.2
SW
5
1.1
SW
5
1.1
SSW
5
1.1
SSW
5
1.2
SSW
6
1.1
SW
6
0.8
SW
6
0.6
SW
7
0.6
SW
7
0.6
SW
7
0.6
SW
7
0.6
SW
7
1.2
SW
6
1.8
SW
6
1.4
SW
6
1.3
SW
6
1.3
SW
6
0.9
SW
6
0.8
SW
6
0.7
SW
6
0.6
SW
7
0.5
SW
7
0.4
SW
7
Wave Graph
Metric surfscale
Energy kJ
0
0
0
0
0
0
54
35
29
29
28
28
106
259
0
0
101
56
45
39
28
23
16
Wind (km/h)
30
SW
35
SSW
35
SSW
30
SSW
35
S
20
SSW
10
W
10
WNW
5
N
5
SE
15
SSE
25
WSW
40
WSW
35
SW
40
SW
35
SW
30
WSW
10
NNW
10
N
10
WNW
10
W
10
SSW
15
S
Wind State
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
cross-on
glassy
off
cross-off
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
on
cross-on
cross-off
cross-off
High Tide
5:18AM0.29m
5:38PM0.30m
6:04AM0.26m
6:29PM0.28m
6:55AM0.24m
7:27PM0.27m
Low Tide
10:53AM-0.02m
11:22PM-0.02m
11:36AM-0.01m
00:08AM0.00m
12:20PM0.01m
clear
cloud
cloud
cloud
light rain
rain showers
clear
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
clear
cloud
part cloud
clear
clear
clear
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:33
6:35
6:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:49
7:45
7:43
 mm
2
1
Temp °C
14
14
14
14
14
15
15
15
14
14
14
14
15
15
14
15
15
14
14
16
17
16
15
Feels °C
8
7
7
8
8
12
14
14
14
14
11
10
8
9
7
9
11
13
13
14
15
14
13
  • 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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