Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 1 pm 27 Aug 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
17.8°C
1.2° 

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

Short Range Forecast

Heavy rain (total 43mm), heaviest during Fri night. Very mild (max 19°C on Thu night, min 15°C on Fri morning). Winds increasing (light winds from the NNW on Thu night, strong winds from the SSW by Sat afternoon).

Thu
27
Friday
28
Saturday
29
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
S
3
0.2
S
3
0.2
S
4
0.2
S
4
0.2
S
4
0.3
SSE
3
0.4
S
4
0.5
S
5
0.5
S
5
0.8
SE
6
0.9
SE
6
0.9
SSE
6
1.2
S
6
1.5
SSW
6
1.5
S
6
1.5
S
6
1.7
SSW
6
1.5
SSW
6
1
SW
6
1.2
SSW
6
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
72
0
Wind (km/h)
10
S
20
SW
10
WNW
5
NNW
10
ENE
20
SE
25
ESE
35
E
30
E
35
E
35
SE
35
ESE
30
ESE
35
WSW
30
SSE
35
S
35
S
40
SSW
35
SSW
30
SSW
30
SW
Wind State
cross-off
cross
cross-on
on
cross-off
off
off
cross-off
cross-off
cross-off
off
off
off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
High Tide
5:14PM0.28m
5:35AM0.26m
5:54PM0.27m
6:12AM0.23m
6:38PM0.25m
Low Tide
10:29AM0.05m
10:47PM0.03m
11:00AM0.03m
11:24PM0.03m
11:35AM0.02m
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
mod rain
mod rain
heavy rain
mod rain
part cloud
light rain
light rain
rain showers
clear
cloud
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:31
8:30
8:27
 mm
9
8
11
6
1
1
3
1
Temp °C
18
17
17
19
19
18
16
15
17
19
15
15
15
16
16
17
17
17
17
17
17
Feels °C
17
14
16
18
18
14
11
8
11
13
9
9
10
10
11
12
11
11
12
13
12
  • 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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