Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 1 pm 28 Aug 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
17.9°C
1.4° 

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 31mm), heaviest during Fri night. Warm (max 20°C on Fri afternoon, min 14°C on Fri night). Winds increasing (light winds from the SE on Fri night, strong winds from the SW by Sat night).

Fri
28
Saturday
29
Sunday
30
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)
0.4
SSE
5
0.5
S
6
0.9
SSE
5
1.4
S
6
1.4
S
7
1.1
S
6
0.1
SW
7
0.1
SW
6
0.1
SW
6
1.3
S
5
1.4
SSW
6
1.3
SSW
6
1.4
SW
6
1.4
SW
6
1.5
SSW
6
1.6
SW
7
1.4
SW
6
1.2
SSW
6
1
SSW
5
1
SSW
5
1.2
SW
6
Wave Graph
Metric surfscale
Energy kJ
0
0
0
0
0
0
2
2
1
0
0
0
0
0
0
230
0
0
0
0
0
Wind (km/h)
30
E
35
ESE
30
SSE
30
ESE
30
ESE
15
SE
15
SSE
20
SW
30
S
30
S
25
S
30
SSW
30
SSW
35
SW
40
SW
30
SSW
30
SSW
25
SSW
20
SSW
20
SSW
30
SSW
Wind State
cross-off
cross-off
off
off
off
off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
5:54PM0.27m
6:12AM0.23m
6:38PM0.25m
6:53AM0.21m
7:31PM0.24m
Low Tide
11:00AM0.03m
11:24PM0.03m
11:35AM0.02m
00:03AM0.03m
12:14PM0.02m
cloud
cloud
light rain
mod rain
mod rain
cloud
light rain
rain showers
cloud
rain showers
rain showers
clear
light rain
rain showers
rain showers
rain showers
cloud
part cloud
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:30
8:27
8:23
 mm
2
9
6
2
4
1
2
1
2
1
1
Temp °C
17
20
17
14
15
16
15
17
17
17
18
17
17
17
16
16
17
17
17
17
17
Feels °C
11
13
13
9
11
15
13
14
13
13
15
13
13
12
10
11
13
14
14
14
13
  • 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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