Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 1 pm 12 Sep 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
16.4°C
1.6° 

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 (12 Sep)2ft (0.6m)7s
Afternoon (12 Sep)--
Evening (12 Sep)--

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


Short Range Forecast

Some drizzle, heaviest during Sat night. Very mild (max 16°C on Sun afternoon, min 14°C on Sat afternoon). Winds decreasing (strong winds from the SW on Sat afternoon, calm by Sun afternoon).

Sat
12
Sunday
13
Monday
14
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
SSW
7
1.4
SW
5
1.9
SW
6
1.5
SW
6
1.5
SW
6
1.4
SW
6
1.3
SW
6
1
SW
6
0.8
SW
6
0.6
SW
6
0.6
SW
7
0.6
SW
7
0.4
SW
7
0.3
SW
7
0.3
SW
7
0.3
SW
6
0.3
SW
6
0.3
SW
6
0.1
SW
6
0.1
SW
6
0.1
SW
6
Wave Graph
Metric surfscale
Energy kJ
0
0
287
0
0
0
111
0
45
33
29
30
17
7
7
6
6
6
1
1
1
Wind (km/h)
30
SSW
40
SW
40
SW
40
SSW
40
SW
30
SW
25
WSW
10
W
5
NE
0
WNW
10
SSW
15
S
10
S
5
ESE
10
SE
10
SSE
15
S
20
S
25
S
20
SW
25
SSW
Wind State
cross-off
cross
cross
cross-off
cross-off
cross
cross
cross-on
cross
glassy
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
6:29PM0.28m
6:55AM0.24m
7:27PM0.27m
7:54AM0.23m
8:32PM0.26m
Low Tide
11:36AM-0.01m
00:08AM0.00m
12:20PM0.01m
00:55AM0.03m
1:07PM0.03m
part cloud
cloud
cloud
cloud
light rain
part cloud
part cloud
clear
clear
clear
cloud
part cloud
cloud
clear
part cloud
cloud
cloud
cloud
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:39
6:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:45
7:43
7:39
 mm
1
Temp °C
14
14
14
15
15
15
15
14
15
16
16
15
15
15
14
14
14
14
14
14
14
Feels °C
8
6
6
8
9
10
11
13
15
17
15
12
12
13
12
12
11
10
10
11
10
  • 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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