Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 7 am 15 Sep 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
15.9°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

Moderate rain (total 19mm), heaviest on Tue night. Very mild (max 16°C on Tue afternoon, min 14°C on Tue morning). Winds decreasing (near gales from the SW on Wed morning, light winds from the SW by Wed night).

Tuesday
15
Wednesday
16
Thursday
17
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
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
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
SW
5
1.1
SSW
5
1.3
SSW
5
1.3
SSW
5
1.6
S
6
1.8
SSW
6
2.1
SW
7
2.1
SW
7
2.3
SW
7
2.5
SW
7
3
SW
8
2.5
SW
8
2.3
SW
8
1.9
SW
8
1.9
SW
7
1.3
SW
7
1.1
SW
7
1.6
SW
7
1.6
SW
7
1.2
SW
7
1.4
SW
6
1.1
SW
5
1.1
SSW
5
Wave Graph
Metric surfscale
Energy kJ
0
0
0
0
0
0
0
0
522
757
1003
816
613
403
375
158
125
248
273
139
152
0
0
Wind (km/h)
30
SSW
35
S
40
S
45
S
45
S
35
SSW
45
SW
45
SW
40
WSW
45
SW
50
SW
45
SW
40
WSW
30
WSW
20
WSW
10
SW
15
WNW
15
WSW
25
WSW
35
WSW
35
SW
30
SSW
45
SSW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross
cross
cross
cross-off
cross-off
High Tide
8:59AM0.22m
9:42PM0.26m
10:06AM0.22m
10:49PM0.27m
11:09AM0.24m
Low Tide
2:01PM0.06m
2:51AM0.10m
3:04PM0.09m
4:22AM0.13m
4:24PM0.10m
cloud
cloud
light rain
cloud
light rain
light rain
rain showers
clear
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:43
6:45
6:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:37
7:35
7:31
 mm
1
2
1
11
3
Temp °C
14
14
14
15
16
16
15
15
14
14
14
15
16
16
15
15
15
14
14
14
14
14
14
Feels °C
9
8
7
8
9
11
7
7
6
5
4
6
9
11
11
13
13
11
9
7
8
8
6
  • 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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