Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 1 am 19 Sep 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
15.8°C
1.5° 

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 (19 Sep)--
Afternoon (19 Sep)--
Evening (19 Sep)8ft (2.5m)8s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Sat morning. Very mild (max 18°C on Mon afternoon, min 11°C on Mon night). Winds decreasing (near gales from the SW on Sat afternoon, light winds from the NE by Mon night).

Saturday
19
Sunday
20
Monday
21
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
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
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)
1.8
SW
7
1.7
SW
7
1.7
SW
6
2.1
SW
7
2.4
SW
7
3
SW
7
2.5
SW
8
2.3
SW
8
2.1
SW
7
2.1
SW
7
2.1
SW
7
2.1
SW
7
2.1
SW
7
2
SW
8
1.9
SW
7
1.8
SW
7
2.3
WSW
8
1.3
SW
7
1
SW
7
0.9
SW
7
0.6
SW
7
0.5
SW
7
0.4
SW
6
0.3
SW
7
Wave Graph
Metric surfscale
Energy kJ
306
248
0
0
0
868
838
595
428
371
371
408
483
453
352
303
588
176
104
79
43
23
10
7
Wind (km/h)
40
SW
40
SW
40
SW
50
SW
50
SW
55
SW
50
WSW
45
WSW
45
WSW
45
WSW
45
WSW
45
SW
50
WSW
50
W
50
W
40
WNW
35
NW
40
NW
35
NNW
20
N
20
NNW
15
N
15
NE
15
NE
Wind State
cross
cross
cross-off
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
on
on
on
cross-on
cross-on
cross-on
cross
cross
High Tide
00:43AM0.30m
12:54PM0.27m
1:28AM0.31m
1:37PM0.28m
2:08AM0.31m
2:15PM0.29m
Low Tide
7:28AM0.13m
7:02PM0.10m
7:59AM0.12m
7:42PM0.08m
8:18AM0.11m
8:12PM0.07m
cloud
cloud
light rain
rain showers
part cloud
cloud
clear
clear
cloud
clear
clear
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:52
6:54
6:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:25
7:22
7:20
 mm
1
1
Temp °C
14
14
15
16
16
16
15
14
14
13
13
14
15
15
15
15
15
15
14
15
17
18
17
15
Feels °C
6
7
9
8
8
6
5
5
5
3
4
5
5
5
5
6
7
7
7
10
12
13
13
11
  • 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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