Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 1 pm 06 Aug 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
17.5° C
0.1° 

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 2mm), mostly falling on Thu afternoon. Very mild (max 18°C on Thu night, min 15°C on Thu night). Winds increasing (calm on Fri afternoon, strong winds from the SW by Sat night).

Thu
6
Friday
7
Saturday
8
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
1
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)
2
SW
7
1.9
SW
7
1.9
SW
7
1.9
SW
7
1.6
SW
7
1.3
SW
8
1.1
SW
8
0.8
SW
8
0.6
SW
7
0.4
SW
6
0.4
SW
6
0.4
SW
6
0.3
SW
6
1.8
SW
7
1.5
SW
7
1.4
SW
6
1.1
SW
6
1.5
SW
6
2.1
SW
6
2.3
SW
7
2.1
SW
7
Wave Graph
Metric surfscale
Energy kJ
0
0
0
0
0
181
161
90
32
15
13
13
7
331
204
162
96
0
341
466
398
Wind (km/h)
45
SW
45
SW
40
SW
35
SW
20
NNE
20
NE
20
NNE
20
NE
20
NE
5
NNW
10
W
15
SSW
10
S
10
SW
15
W
25
W
35
WSW
35
SW
45
SW
50
SW
45
SW
Wind State
cross
cross
cross
cross-off
cross
cross
cross
cross
cross-off
glassy
cross-on
cross-off
cross-off
cross
cross-on
cross-on
cross-on
cross
cross
cross
cross
High Tide
12:28PM0.20m
1:05AM0.27m
1:19PM0.23m
1:54AM0.30m
2:07PM0.26m
Low Tide
5:16PM0.06m
6:18AM0.09m
6:25PM0.05m
7:20AM0.08m
7:28PM0.03m
clear
clear
thunderstorm
thunderstorm
part cloud
cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
clear
clear
clear
part cloud
cloud
clear
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:15
5:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:28
9:25
9:22
 mm
1
1
Temp °C
16
16
16
17
18
16
15
15
15
16
16
16
16
16
16
15
16
16
17
17
16
Feels °C
8
9
9
12
16
12
11
10
10
14
13
13
14
14
13
10
9
10
9
9
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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