Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 1 am 08 Oct 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
14.7°C
2.3° 

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 (08 Oct):

  • Morning surf: Morning surf (08 Oct, local time) - 4ft (1.2m), 5s period with N swell.
  • Afternoon surf: Afternoon surf (08 Oct, local time) - 4.5ft (1.3m), 5s period with N swell.
  • Evening surf: Evening surf (08 Oct, local time) - 4.5ft (1.4m), 5s period with N swell.

The current surf forecast for Valnäs - Nord Koster at 10AM is: 1.2m 5s primary swell from a North direction (forecast issued at 01:00am October 08). An open ocean swell of 0.4m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (CEST) & DateWave HeightWave Period
Morning (08 Oct)4ft (1.2m)5s
Afternoon (08 Oct)4.5ft (1.3m)5s
Evening (08 Oct)4.5ft (1.4m)5s

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


Short Range Forecast

Heavy rain (total 29mm), heaviest during Sat morning. Mild temperatures (max 9°C on Thu night, min 5°C on Sat afternoon). Winds decreasing (near gales from the N on Thu night, calm by Fri afternoon).

Thursday
8
Friday
9
Saturday
10
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)
0.6
NNE
3
1
NNE
4
1.2
N
5
1.2
N
5
1.2
N
5
1.4
NNW
5
1.4
N
5
1.4
N
5
1.5
NNW
5
1.4
NNW
5
1.1
N
5
0.7
N
4
0.3
NNW
4
0.1
SW
5
0.1
SW
5
0.1
SW
5
0.1
SW
5
0.1
SW
5
0.6
NNE
3
0.3
SW
8
0.6
SW
8
0.6
SW
8
0.5
SW
8
0.4
SW
8
Wave Graph
Metric surfscale
Energy kJ
6
36
61
60
63
100
98
98
108
91
51
16
3
1
1
1
1
1
9
9
38
38
29
20
Wind (km/h)
35
NE
45
NNE
50
NNE
50
N
50
N
50
N
55
N
55
N
55
NNW
45
NNW
35
N
25
N
10
NNE
0
ESE
15
ESE
25
ESE
25
E
45
E
45
E
30
NE
35
N
25
NNW
20
NNW
20
N
Wind State
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
glassy
off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross-on
cross-on
cross-on
High Tide
3:33AM0.30m
3:47PM0.31m
4:14AM0.28m
4:31PM0.30m
4:56AM0.26m
5:15PM0.29m
Low Tide
9:09AM-0.01m
9:37PM-0.03m
9:49AM-0.01m
10:19PM-0.02m
10:29AM-0.01m
11:00PM-0.00m
mod rain
mod rain
mod rain
light rain
light rain
light rain
light rain
cloud
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
light rain
light rain
mod rain
light rain
light rain
light rain
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
7:35
—
—
—
—
—
—
—
7:37
—
—
—
—
—
—
—
7:39
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
6:30
—
—
—
—
—
—
—
6:28
—
—
—
—
—
—
—
6:24
—
—
 mm
8
8
6
2
1
1
1
—
—
—
—
—
—
—
—
—
1
4
7
2
3
1
—
—
Temp °C
8
8
6
6
6
7
8
9
9
9
8
8
8
9
9
8
8
7
7
6
5
5
6
6
Feels °C
0
-2
-5
-5
-5
-4
-4
-3
-3
-2
-1
1
4
7
4
1
1
-3
-3
-1
-3
-1
1
0
  • 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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