Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 1 am 07 Sep 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
16.9°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

Moderate rain (total 12mm), heaviest on Wed afternoon. Very mild (max 17°C on Mon afternoon, min 12°C on Wed night). Winds decreasing (strong winds from the SSW on Tue afternoon, moderate winds from the SW by Wed afternoon).

Monday
7
Tuesday
8
Wednesday
9
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)
1.5
SW
6
1.4
SW
6
1.5
SW
6
1.5
SSW
6
1.5
SSW
6
1.4
SSW
6
1.5
SSW
6
1.7
SSW
6
1.7
SW
6
1.8
SW
6
1.6
SW
6
1.4
SW
6
1.4
SW
6
1.3
SSW
6
1.4
SSW
6
1.4
SW
6
1.3
SW
6
1.4
SW
6
1.4
SW
6
1.5
SW
6
0.9
SSW
6
0.7
SW
6
0.6
SSW
5
0.6
SW
6
Wave Graph
Metric surfscale
Energy kJ
0
0
0
0
0
0
0
0
0
244
193
0
0
0
0
0
0
132
151
164
0
0
0
23
Wind (km/h)
35
SW
35
SW
40
SSW
35
SSW
35
SSW
40
S
35
SSW
40
SW
40
SW
40
SW
35
SW
35
SSW
35
SSW
45
SSW
40
SSW
35
SW
40
WSW
45
SW
40
WSW
35
SW
30
SW
20
SW
30
N
35
N
Wind State
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
High Tide
2:26AM0.33m
2:38PM0.31m
3:09AM0.33m
3:23PM0.32m
3:52AM0.32m
4:07PM0.32m
Low Tide
8:02AM0.05m
8:18PM0.01m
8:47AM0.02m
9:06PM-0.01m
9:30AM-0.00m
9:52PM-0.03m
light rain
light rain
light rain
cloud
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
rain showers
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
6:26
6:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:00
7:58
7:54
 mm
2
4
1
1
1
2
1
3
2
1
Temp °C
14
15
15
15
16
17
17
16
16
16
15
16
15
15
14
14
15
14
14
14
15
15
14
12
Feels °C
8
9
8
9
10
11
11
10
10
9
9
9
8
7
7
8
7
5
6
7
9
11
8
5
  • 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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