Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 1 pm 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
17.7° C
0.2° 

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 (12 Aug)--
Afternoon (12 Aug)0.5ft (0.1m)7s
Evening (12 Aug)--

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


Short Range Forecast

Mostly dry. Warm (max 20°C on Fri morning, min 15°C on Wed afternoon). Mainly fresh winds.

Wed
12
Thursday
13
Friday
14
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)
0.1
W
8
0.1
W
7
0.4
SSW
3
0.5
SSW
4
0.6
SW
5
1.5
SW
6
1.1
SW
6
1.2
SW
6
1.2
SW
6
1.1
SW
6
1.1
SW
5
0.9
SSW
5
0.9
SSW
5
0.9
SSW
5
0.9
SSW
5
0.9
SSW
4
0.8
SSW
4
0.8
SSW
4
0.7
SSW
4
0.2
WSW
4
0.1
SW
4
Wave Graph
Metric surfscale
Energy kJ
1
1
0
0
22
164
0
0
0
0
0
0
0
0
0
0
0
0
0
2
1
Wind (km/h)
25
S
25
S
20
SSW
25
S
25
SSW
20
SW
30
SW
35
SW
30
SW
30
SSW
30
S
25
S
30
S
25
SSW
25
SSW
30
S
30
S
30
S
25
S
20
S
25
SSE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
High Tide
5:14PM0.32m
5:43AM0.31m
6:05PM0.31m
6:33AM0.29m
6:59PM0.29m
Low Tide
10:34AM-0.00m
10:56PM-0.02m
11:19AM-0.01m
11:45PM-0.02m
12:05PM-0.01m
cloud
part cloud
part cloud
cloud
cloud
clear
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:28
5:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:13
9:10
9:07
 mm
Temp °C
15
15
16
15
18
17
16
16
15
16
16
17
18
19
19
20
18
18
19
20
20
Feels °C
11
11
13
11
15
14
11
11
10
11
10
12
13
15
14
15
13
13
15
18
17
  • 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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