Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 7 pm 30 Sep 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
14.9°C
1.7° 

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

Short Range Forecast

Moderate rain (total 12mm), heaviest on Fri morning. Warm (max 21°C on Thu afternoon, min 12°C on Thu morning). Mainly strong winds.

Wed
30
Thursday
1
Friday
2
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)
0.3
SSE
5
0.3
S
5
0.3
S
5
0.4
SSE
5
0.1
SW
8
0.6
S
5
0.1
SW
7
0.1
SW
7
0.1
SW
7
0.1
SW
7
0.1
SW
7
0.1
SW
6
0.1
SW
6
0.3
SW
6
0.3
SW
6
0.3
SW
6
0.5
SSW
5
0.9
SW
5
1.4
SW
6
Wave Graph
Metric surfscale
Energy kJ
0
0
0
0
2
0
2
2
2
2
2
2
2
6
6
5
0
0
119
Wind (km/h)
25
ENE
30
E
25
E
25
ESE
30
E
30
E
20
E
15
E
10
ESE
15
ESE
20
SE
15
SSE
20
SE
20
SSE
20
SSE
10
SSW
10
WSW
15
S
30
WSW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
off
off
cross-off
cross-off
cross-on
cross-off
cross
High Tide
9:24PM0.25m
9:44AM0.23m
10:34PM0.27m
10:52AM0.25m
Low Tide
2:13AM0.09m
2:36PM0.06m
3:23AM0.10m
3:50PM0.06m
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
light rain
light rain
light rain
light rain
cloud
cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
7:18
—
—
—
—
—
—
—
7:20
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:53
—
—
—
—
—
—
—
6:51
—
—
—
—
—
—
—
6:47
—
—
 mm
—
—
—
—
—
—
—
—
—
—
—
2
2
5
3
—
—
—
—
Temp °C
17
17
16
14
13
12
14
18
21
20
16
13
13
12
13
13
13
14
14
Feels °C
13
12
11
9
7
6
10
15
19
17
11
10
10
9
10
12
12
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
How to use the Wavefinder 

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