Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 1 am 02 Aug 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
17.2° C
0.4° 

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


How big are the waves at Valnäs - Nord Koster today (02 Aug):

  • Morning surf: Morning surf (02 Aug, local time) - 5ft (1.6m), 6s period with SW swell.
  • Afternoon surf: Afternoon surf (02 Aug, local time) - 6ft (1.9m), 6s period with SW swell.
  • Evening surf: Evening surf (02 Aug, local time) - 6ft (1.8m), 7s period with SW swell.

The current surf forecast for Valnäs - Nord Koster at 6AM is: 1.6m 6s primary swell from a Southwest direction (forecast issued at 01:00am August 02). The wind direction is predicted to be cross-shore.

Time (CEST) & DateWave HeightWave Period
Morning (02 Aug)5ft (1.6m)6s
Afternoon (02 Aug)6ft (1.9m)6s
Evening (02 Aug)6ft (1.8m)7s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Tue night. Very mild (max 18°C on Sun night, min 14°C on Mon morning). Winds decreasing (strong winds from the SW on Sun afternoon, calm by Tue night).

Sunday
2
Monday
3
Tuesday
4
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)
1.6
SW
6
1.6
SW
6
1.6
SW
6
1.6
SW
6
1.8
SW
6
2.1
SW
7
2
SW
7
1.6
SW
7
1.5
SW
6
1.3
SW
6
1.3
WSW
6
1.1
SW
6
0.7
SW
6
1
SW
5
1.2
SW
5
1.1
SW
6
1
SW
5
0.7
SW
5
0.6
SSW
4
0.4
SW
4
0.2
SSW
4
0.3
NNE
2
0.5
N
3
0.4
NE
3
Wave Graph
Metric surfscale
Energy kJ
171
187
181
154
0
0
357
221
172
122
116
72
0
0
0
79
0
0
0
0
0
1
5
2
Wind (km/h)
40
WSW
45
WSW
45
WSW
45
WSW
45
SW
50
SW
45
WSW
35
W
40
WSW
35
WSW
20
WSW
20
WSW
25
SW
30
SSW
30
SSW
30
SSW
30
SSW
25
SSW
20
SSW
15
SW
10
NE
15
NNE
10
NE
20
ENE
Wind State
cross
cross
cross-on
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-on
cross
cross-off
High Tide
8:37AM0.20m
9:12PM0.23m
9:34AM0.18m
10:14PM0.23m
10:35AM0.18m
Low Tide
1:20AM0.06m
1:29PM0.04m
2:07AM0.07m
2:14PM0.05m
2:59AM0.08m
3:07PM0.05m
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
cloud
part cloud
part cloud
clear
clear
part cloud
cloud
cloud
cloud
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:03
5:05
5:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:37
9:36
9:32
 mm
1
1
Temp °C
15
14
15
15
16
16
18
17
15
15
14
15
16
16
16
16
16
16
16
17
16
17
16
16
Feels °C
7
5
6
7
8
7
10
9
7
8
9
10
11
10
10
11
11
11
12
15
15
14
15
14
  • 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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