Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 7 pm 08 Sep 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
16.9°C
1.5° 

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


Time (CEST) & DateWave HeightWave Period
Morning (09 Sep)--
Afternoon (09 Sep)1ft (0.3m)7s
Evening (09 Sep)1.5ft (0.4m)6s

Table - waves today at Valnäs - Nord Koster. (Swell directed towards the surf break)


Short Range Forecast

Light rain (total 5mm), mostly falling on Tue night. Very mild (max 16°C on Tue night, min 12°C on Wed night). Winds increasing (calm on Wed afternoon, strong winds from the SW by Thu night).

Tue
8
Wednesday
9
Thursday
10
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)
1.5
SW
6
1.4
SW
6
1.4
SW
6
1.2
SW
5
1.1
SW
5
0.9
SW
5
0.7
SW
5
0.6
SW
5
0.3
SW
7
0.3
SW
7
0.5
SW
7
0.6
SW
7
0.4
SW
7
0.3
SW
6
0.3
SW
6
0.4
SW
2
0.6
SW
4
0.7
SW
4
0.8
SW
4
Wave Graph
Metric surfscale
Energy kJ
0
0
0
0
68
0
25
16
8
7
0
28
15
6
6
1
0
0
0
Wind (km/h)
35
SW
35
SW
35
SW
30
WSW
30
SW
30
WSW
20
W
5
W
5
WNW
20
NNE
10
NE
20
NNE
25
NNE
15
N
10
NW
15
WSW
25
SW
30
SSW
30
SW
Wind State
cross-off
cross
cross
cross
cross
cross
cross-on
cross-on
glassy
cross
cross
cross-on
cross-on
cross-on
on
cross
cross
cross-off
cross
High Tide
3:23PM0.32m
3:52AM0.32m
4:07PM0.32m
4:34AM0.31m
4:52PM0.31m
Low Tide
9:06PM-0.01m
9:30AM-0.00m
9:52PM-0.03m
10:12AM-0.01m
10:37PM-0.03m
cloud
light rain
cloud
part cloud
clear
clear
clear
clear
part cloud
clear
part cloud
cloud
clear
clear
clear
clear
clear
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:30
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:58
7:54
7:52
 mm
2
Temp °C
15
16
15
15
15
15
14
15
16
15
14
13
12
12
13
14
15
15
15
Feels °C
9
10
9
9
9
9
10
13
15
10
11
8
5
8
10
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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