Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 1 am 07 Aug 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
17.5° C
0.1° 

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 (07 Aug):

  • Morning surf: Morning surf (07 Aug, local time) - 2.5ft (0.8m), 8s period with SW swell.
  • Afternoon surf: Afternoon surf (07 Aug, local time) - 1.5ft (0.4m), 6s period with SW swell.
  • Evening surf: Evening surf (07 Aug, local time) - 1.5ft (0.4m), 6s period with SW swell.

The current surf forecast for Valnäs - Nord Koster at 7AM is: 0.9m 8s primary swell from a Southwest direction and 0.2m 2s secondary swell from a North-northeast direction (forecast issued at 01:00am August 07). An open ocean swell of 0.3m 5s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (CEST) & DateWave HeightWave Period
Morning (07 Aug)2.5ft (0.8m)8s
Afternoon (07 Aug)1.5ft (0.4m)6s
Evening (07 Aug)1.5ft (0.4m)6s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Sun night. Very mild (max 18°C on Sun afternoon, min 15°C on Fri morning). Winds increasing (light winds from the ENE on Fri morning, strong winds from the SW by Sat night).

Friday
7
Saturday
8
Sunday
9
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)
1.2
SW
7
1.1
SW
8
0.8
SW
8
0.6
SW
7
0.4
SW
6
0.4
SW
6
0.4
SW
6
1.6
SW
7
1.9
SW
7
1.7
WSW
7
1.5
WSW
6
1.1
SW
6
1.3
SW
6
2
SW
6
2.1
SW
7
2.2
SW
7
1.8
SW
6
1.4
SW
6
1.4
SW
6
1.6
SW
6
1.5
SSW
6
1.2
SSW
6
1.4
SSW
5
1.9
SW
6
Wave Graph
Metric surfscale
Energy kJ
0
138
88
31
14
13
13
254
383
251
181
96
132
326
410
436
271
0
0
0
0
0
0
266
Wind (km/h)
25
NE
25
NE
25
NE
10
ENE
15
NNW
15
W
20
S
20
WSW
20
WSW
25
W
25
W
30
WSW
35
SW
40
SW
50
SW
45
WSW
40
SW
35
SW
35
SSW
40
SSW
35
SSW
35
SSW
35
SW
45
SW
Wind State
cross
cross
cross
cross-off
on
cross-on
cross-off
cross
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross
cross
High Tide
1:05AM0.27m
1:19PM0.23m
1:54AM0.30m
2:07PM0.26m
2:41AM0.32m
2:53PM0.29m
Low Tide
6:18AM0.09m
6:25PM0.05m
7:20AM0.08m
7:28PM0.03m
8:14AM0.06m
8:25PM0.02m
part cloud
cloud
cloud
part cloud
cloud
cloud
clear
part cloud
clear
part cloud
clear
cloud
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:15
5:16
5:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:25
9:22
9:21
 mm
2
Temp °C
16
16
15
16
17
16
17
17
16
15
15
16
17
17
17
16
16
16
16
17
18
18
18
16
Feels °C
12
11
10
13
14
12
14
13
11
10
10
10
11
10
9
8
9
10
10
10
12
12
12
9
  • 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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