Valnäs - Nord Koster surfForecast / Kattegat and Skagerrack / Sweden

information circle48hr Weather and Surf, issued 1 am Monday 25 May 2026 CEST
Forecast update in hr  min  s Forecast update imminent
Valnäs - Nord Koster surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Valnäs - Nord Koster sea temperature is
11.3° C
(Which is normal for this time of year)

How big are the waves at Valnäs - Nord Koster today?

The current surf forecast for Valnäs - Nord Koster at 7AM is: 1.1m 5s primary swell from a Southwest direction (forecast issued at 01:00am May 25). The wind direction is predicted to be cross-onshore.

Time (CEST) & DateWave HeightWave Period
Morning (25 May)--
Afternoon (25 May)7ft (2.1m)6s
Evening (25 May)5.5ft (1.7m)7s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 20°C on Mon night, min 9°C on Wed night). Winds decreasing (strong winds from the SW on Mon afternoon, light winds from the E by Wed night).

Monday
25
Tuesday
26
Wednesday
27
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 MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.2
SW
6
1.2
SW
6
1.1
SW
5
1.5
SW
6
2
SW
6
2.1
SW
7
1.7
SW
7
1.8
WSW
6
1.6
WSW
6
1.4
SW
6
1.4
SW
6
1.3
SW
6
1.1
SW
6
1.4
SW
6
1.2
SW
6
0.9
SW
6
0.8
SW
6
0.9
SW
6
0.7
SW
5
0.5
SW
5
0.4
SW
5
0.3
SW
5
0.5
SW
3
0.5
SW
4
Wave Graph
Metric surfscale
Energy kJ
102
86
71
0
297
0
248
241
179
118
133
108
84
147
113
66
47
49
27
12
7
4
5
7
Wind (km/h)
35
W
35
W
30
WSW
40
SW
45
SW
40
SW
35
WSW
35
W
25
W
40
W
40
W
30
W
35
WSW
40
W
35
NW
30
NW
30
NW
25
NW
20
N
20
NNW
15
WNW
20
WSW
30
W
15
E
cross-on
cross-on
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
on
on
cross
cross-on
cross-off
High Tide
1:17AM0.30m
1:50PM0.26m
2:06AM0.30m
2:36PM0.25m
2:52AM0.29m
3:19PM0.25m
Low Tide
7:23AM0.01m
7:27PM0.03m
8:13AM0.01m
8:12PM0.02m
8:55AM0.01m
8:52PM0.03m
cloud
cloud
clear
cloud
cloud
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:26
4:24
4:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:59
10:00
10:02
Temp °C
16
17
16
16
17
17
20
18
16
14
13
15
17
17
17
15
13
12
12
14
16
17
15
13
9
9
9
9
9
9
13
11
10
6
5
8
8
7
9
7
5
5
6
8
10
11
7
9
Swell 1
Height (m)
Direction
Period (s)
1.4
SW
6
1.1
SW
6
1.2
SW
6
0.9
SW
6
0.8
SW
6
0.9
SW
6
0.7
SW
5
0.5
SW
5
0.4
SW
5
0.1
W
8
0.1
W
8
Energy kJ
151
96
113
66
47
49
27
12
7
1
1
Swell 2
Height (m)
Direction
Period (s)
0.1
W
8
0.1
W
8
Energy kJ
1
1
Swell 3
Height (m)
Direction
Period (s)
0.1
W
8
Energy kJ
1
Wind waves
Height (m)
Direction
Period (s)
1.2
SW
6
1.2
SW
6
1.1
SW
5
1.5
SW
6
2
SW
6
2.1
SW
7
1.7
SW
7
1.8
WSW
6
1.6
WSW
6
1.4
SW
6
1.4
SW
6
1.3
SW
6
1.1
SW
6
1.4
SW
6
0.5
NW
3
0.6
NW
3
0.7
NW
4
1.1
W
4
0.6
NW
4
0.4
NW
3
0.2
NNW
3
0.3
SW
5
0.5
SW
3
0.5
SW
4
Energy kJ
102
86
71
131
297
391
248
241
179
118
133
108
84
147
4
9
12
42
12
3
1
4
5
7
Nearest Offshore or Glassy
Rating
(10 max)
1
1
3
2
2
1
1
1
1
2
2
2
2
1
1
1
1
1
2
2
2
1
2
2
Distance (km)
313
810
800
482
498
810
810
810
810
810
810
810
1073
809
809
809
809
809
800
800
800
800
479
479
Best forecast wave conditions in Kattegat and Skagerrack
Rating
(10 max)
Best forecast wave conditions in Sweden
Rating
(10 max)
Header Global
Rating
(10 max)
5
4
4
4
4
4
4
4
4
5
8
9
9
9
9
5
6
6
7
7
7
6
7
7
  • 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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