Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 1 pm 24 Aug 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
17.9°C
1.1° 

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 (24 Aug):

  • Morning surf: Morning surf (24 Aug, local time) - 1ft (0.3m), 3s period with NNE swell.
  • Afternoon surf: Afternoon surf (24 Aug, local time) - 0.5ft (0.1m), 4s period with SW swell.
  • Evening surf: Evening surf (24 Aug, local time) - 0.5ft (0.1m), 4s period with SW swell.

The current surf forecast for Valnäs - Nord Koster at 5PM is: 0.1m 4s primary swell from a Southwest direction and 0.1m 5s secondary swell from a Southwest direction (forecast issued at 01:00pm August 24). The wind direction is predicted to be cross-onshore.

Time (CEST) & DateWave HeightWave Period
Morning (24 Aug)1ft (0.3m)3s
Afternoon (24 Aug)0.5ft (0.1m)4s
Evening (24 Aug)0.5ft (0.1m)4s

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


Short Range Forecast

Mostly dry. Warm (max 22°C on Wed afternoon, min 16°C on Tue morning). Wind will be generally light.

Mon
24
Tuesday
25
Wednesday
26
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.2
NNE
3
0.1
SW
4
0.1
SW
5
0.1
SW
4
0.1
SW
4
0.1
SW
4
0.1
SW
4
Wave Graph
Metric surfscale
Energy kJ
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Wind (km/h)
20
NNE
20
WNW
20
W
15
WNW
15
NW
10
NNE
15
ENE
10
ENE
5
N
20
NW
15
WNW
10
W
5
NNE
5
ESE
10
SE
10
SE
0
NE
15
NNW
15
NW
5
WSW
5
SE
Wind State
cross-on
on
cross-on
cross-on
on
cross
cross-off
cross-off
cross-on
on
on
cross-on
glassy
cross-off
off
off
glassy
cross-on
on
cross
glassy
High Tide
3:24PM0.29m
3:51AM0.32m
4:00PM0.29m
4:26AM0.31m
4:37PM0.29m
Low Tide
9:16AM0.10m
9:10PM0.06m
9:37AM0.08m
9:41PM0.05m
10:01AM0.06m
10:13PM0.04m
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:40
8:37
8:35
 mm
Temp °C
16
17
19
19
18
18
17
16
19
19
21
21
21
20
20
19
19
20
22
21
21
Feels °C
12
12
14
15
15
15
14
14
17
15
18
19
20
18
18
17
18
17
18
19
20
  • 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
How to use the Wavefinder 

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