Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 1 pm 26 Aug 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
17.9°C
1.2° 

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

Short Range Forecast

Heavy rain (total 25mm), heaviest during Fri night. Warm (max 21°C on Wed night, min 15°C on Fri morning). Winds increasing (calm on Wed night, fresh winds from the E by Fri morning).

Wed
26
Thursday
27
Friday
28
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)
0.2
SSE
3
0.3
S
4
0.3
S
4
0.3
S
4
0.3
S
4
0.2
S
4
0.4
SSE
4
0.4
S
4
0.5
S
4
0.5
S
6
0.6
S
6
0.8
SSE
6
0.8
S
6
Wave Graph
Metric surfscale
Energy kJ
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Wind (km/h)
5
NW
15
W
10
W
5
NNW
10
E
10
E
15
ESE
15
ESE
20
S
15
WSW
10
WNW
5
NNW
10
ENE
20
SE
25
SE
30
E
35
E
30
ESE
30
ESE
30
ESE
25
ESE
Wind State
glassy
cross-on
cross-on
glassy
cross-off
cross-off
cross-off
off
cross-off
cross
cross-on
on
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
4:37PM0.29m
5:00AM0.28m
5:14PM0.28m
5:35AM0.26m
5:54PM0.27m
Low Tide
10:01AM0.06m
10:13PM0.04m
10:29AM0.05m
10:47PM0.03m
11:00AM0.03m
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
light rain
cloud
mod rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:35
8:31
8:30
 mm
3
7
Temp °C
19
20
20
21
21
21
20
17
17
17
17
18
19
18
16
15
17
17
16
17
15
Feels °C
18
17
17
19
19
18
17
14
15
14
16
17
17
14
11
8
10
11
11
12
12
  • 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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