Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 1 am 15 Sep 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
15.9°C
1.3° 

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 7mm), mostly falling on Tue afternoon. Very mild (max 16°C on Tue afternoon, min 13°C on Thu morning). Winds decreasing (strong winds from the S on Tue afternoon, calm by Wed night).

Tuesday
15
Wednesday
16
Thursday
17
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
SW
5
1.1
SW
5
1.1
SSW
5
1.2
SSW
5
1.4
SSW
5
1.7
SSW
6
2
SSW
6
1.9
SW
7
2
SW
7
2.1
SW
7
2.1
SW
7
2.3
SW
7
2.5
SW
7
2.3
SW
7
2.3
SW
7
1.5
SW
7
1.2
SW
7
1
SW
7
0.9
SW
7
1.6
SW
7
1.6
SW
7
1.8
SW
7
1.6
SW
6
1.3
SSW
6
Wave Graph
Metric surfscale
Energy kJ
46
0
0
0
0
0
0
0
0
382
408
509
623
589
558
0
0
0
0
289
239
290
0
0
Wind (km/h)
30
SW
30
SSW
35
S
40
S
45
S
45
S
45
SW
40
SW
40
SW
45
WSW
45
WSW
45
WSW
45
SW
40
SW
20
WSW
5
NW
5
ENE
15
SE
20
SSW
35
WSW
40
WSW
40
SW
30
SW
30
SW
Wind State
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross
cross
cross
cross
on
glassy
off
cross-off
cross
cross
cross
cross
cross
High Tide
8:59AM0.22m
9:42PM0.26m
10:06AM0.22m
10:49PM0.27m
11:09AM0.24m
Low Tide
1:48AM0.07m
2:01PM0.06m
2:51AM0.10m
3:04PM0.09m
4:22AM0.13m
4:24PM0.10m
cloud
cloud
cloud
light rain
cloud
light rain
light rain
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
clear
clear
part cloud
part cloud
clear
cloud
part cloud
cloud
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:43
6:45
6:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:37
7:35
7:31
 mm
1
2
1
2
Temp °C
14
14
14
15
15
16
16
16
15
14
14
14
15
15
16
16
15
14
14
13
14
14
14
15
Feels °C
9
9
8
8
7
9
9
10
9
6
5
5
7
8
12
15
14
11
11
6
6
6
8
9
  • 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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