Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 1 pm 17 Jul 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
19.4° C
2.5° 

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

Short Range Forecast

Moderate rain (total 14mm), heaviest on Sat night. Warm (max 20°C on Fri afternoon, min 10°C on Sat night). Winds increasing (calm on Fri night, near gales from the N by Sat night).

Fri
17
Saturday
18
Sunday
19
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
SSW
2
0.3
SSW
3
0.3
SSW
3
0.2
SSW
3
0.2
SSW
3
0.2
SSW
3
0.3
N
2
0.8
N
4
1.3
N
5
1.2
N
5
1.1
N
5
0.9
N
4
0.9
N
4
0.9
N
4
0.9
N
4
0.7
N
4
0.5
N
4
0.3
NNW
3
0.3
NNW
3
0.1
W
6
Wave Graph
Metric surfscale
Energy kJ
0
0
0
0
0
0
0
1
17
73
63
50
33
24
27
28
16
7
2
1
1
Wind (km/h)
15
SSW
15
SSW
15
SSW
10
SW
15
SSW
0
E
5
E
20
N
40
N
50
NNE
50
NNE
55
N
50
NNE
50
N
45
NNE
40
NNE
30
NNE
20
N
15
NW
15
NNW
20
ESE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross-off
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross-on
on
on
off
High Tide
8:29PM0.29m
9:01AM0.26m
9:31PM0.28m
10:03AM0.24m
10:33PM0.27m
Low Tide
1:23PM0.01m
1:58AM0.01m
2:17PM0.01m
3:00AM0.02m
3:14PM0.03m
clear
clear
clear
part cloud
cloud
cloud
rain showers
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
cloud
cloud
cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:33
4:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
10:10
10:08
10:07
 mm
1
2
2
1
1
3
2
1
1
Temp °C
20
20
20
20
19
19
18
16
15
13
12
12
12
12
10
10
13
17
18
20
17
Feels °C
18
18
18
19
18
20
18
13
8
3
2
1
2
2
1
1
6
12
14
16
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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