Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 1 am 08 Sep 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
17.1°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 (08 Sep)--
Afternoon (08 Sep)5ft (1.6m)6s
Evening (08 Sep)--

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


Short Range Forecast

Moderate rain (total 12mm), heaviest on Tue afternoon. Very mild (max 16°C on Tue morning, min 12°C on Wed night). Mainly strong winds.

Tuesday
8
Wednesday
9
Thursday
10
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
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
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)
1.6
SW
6
1.5
SW
6
1.4
SW
6
1.6
SW
6
1.7
SW
6
1.4
SW
6
1.2
SW
6
1.3
SW
6
1.1
SW
5
1.1
SW
5
0.8
SW
5
0.8
SW
5
1
SW
5
0.6
SW
5
0.9
NNW
4
0.6
SW
7
0.6
SW
8
0.4
SW
7
0.3
SW
6
0.3
SW
5
0.4
SW
3
0.6
SW
4
0.6
SW
4
0.8
SW
6
Wave Graph
Metric surfscale
Energy kJ
0
0
0
0
219
0
0
0
0
0
37
38
57
22
20
34
36
12
5
5
2
0
10
51
Wind (km/h)
40
SW
35
SW
35
SW
40
SW
45
SW
30
SW
35
SW
35
SW
30
SW
35
SW
40
SW
35
WSW
15
W
35
NNW
40
N
45
N
40
N
30
NNW
20
NNW
10
W
20
SW
25
SSW
20
SSW
35
WSW
Wind State
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross
High Tide
3:09AM0.33m
3:23PM0.32m
3:52AM0.32m
4:07PM0.32m
4:34AM0.31m
4:52PM0.31m
Low Tide
8:47AM0.02m
9:06PM-0.01m
9:30AM-0.00m
9:52PM-0.03m
10:12AM-0.01m
10:37PM-0.03m
cloud
cloud
cloud
light rain
light rain
cloud
light rain
cloud
cloud
light rain
thunderstorm
thunderstorm
part cloud
thunderstorm
light rain
cloud
part cloud
clear
clear
clear
clear
clear
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:30
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:58
7:54
7:52
 mm
1
2
1
1
2
1
2
2
Temp °C
16
16
16
15
15
15
15
15
15
15
14
15
15
13
12
12
13
13
13
14
15
15
15
15
Feels °C
9
10
10
8
7
10
9
8
9
8
6
8
11
6
3
2
4
5
8
11
10
10
11
8
  • 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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