Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 1 pm 25 Aug 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
17.8°C
1.1° 

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 (25 Aug)0.5ft (0.1m)4s
Afternoon (25 Aug)--
Evening (25 Aug)--

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


Short Range Forecast

Mostly dry. Warm (max 21°C on Wed night, min 15°C on Fri morning). Winds increasing (calm on Tue night, fresh winds from the E by Fri morning).

Tue
25
Wednesday
26
Thursday
27
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
SE
2
0.2
S
3
0.2
S
3
0.2
S
4
0.3
S
4
0.2
S
4
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)
0
NW
15
WNW
15
WNW
10
W
0
W
5
ESE
10
ESE
10
SE
5
NNE
5
NW
10
WSW
5
NW
10
NE
10
E
15
ESE
20
S
15
S
15
NW
20
WNW
15
NNW
15
E
Wind State
glassy
on
on
cross-on
glassy
cross-off
off
off
glassy
on
cross
glassy
cross
cross-off
off
cross-off
cross-off
on
on
cross-on
cross-off
High Tide
4:00PM0.29m
4:26AM0.31m
4:37PM0.29m
5:00AM0.28m
5:14PM0.28m
Low Tide
9:37AM0.08m
9:41PM0.05m
10:01AM0.06m
10:13PM0.04m
10:29AM0.05m
10:47PM0.03m
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:37
8:35
8:31
 mm
Temp °C
18
19
20
20
20
20
20
19
19
20
20
20
21
20
19
17
16
17
18
20
20
Feels °C
17
16
17
18
19
19
18
17
18
18
18
19
19
17
16
14
14
14
15
17
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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