Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 1 pm 09 Oct 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
14.0°C
1.8° 

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 (09 Oct):

  • Morning surf: Morning surf (09 Oct, local time) - 3ft (0.9m), 4s period with N swell.
  • Afternoon surf: Afternoon surf (09 Oct, local time) - 1ft (0.3m), 4s period with NNW swell.
  • Evening surf: Evening surf (09 Oct, local time) - 0.5ft (0.1m), 5s period with SW swell.

The current surf forecast for Valnäs - Nord Koster at 6PM is: 0.1m 5s primary swell from a Southwest direction (forecast issued at 01:00pm October 09). The wind direction is predicted to be cross-offshore.

Time (CEST) & DateWave HeightWave Period
Morning (09 Oct)3ft (0.9m)4s
Afternoon (09 Oct)1ft (0.3m)4s
Evening (09 Oct)0.5ft (0.1m)5s

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


Short Range Forecast

Heavy rain (total 29mm), heaviest during Sat afternoon. Very mild (max 10°C on Fri afternoon, min 4°C on Sat afternoon). Winds increasing (light winds from the E on Fri afternoon, strong winds from the N by Sat morning).

Fri
9
Saturday
10
Sunday
11
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)
0.6
N
4
0.3
NNW
4
0.1
SW
5
0.1
SW
5
0.1
SW
5
0.1
SW
5
0.8
NE
3
0.9
NNE
4
0.9
N
4
0.5
SW
8
0.4
SW
8
0.4
SW
8
0.4
SW
8
0.4
SW
8
0.3
SW
7
0.3
SW
7
0.6
NNE
4
0.3
SW
8
0.5
N
3
0.4
NNE
3
0.4
NNE
3
Wave Graph
Metric surfscale
Energy kJ
12
2
1
1
1
1
13
21
28
32
23
21
21
15
9
10
10
10
6
3
3
Wind (km/h)
25
N
15
NNE
10
E
25
ESE
25
ESE
40
ENE
40
ENE
40
NE
45
N
40
N
30
N
30
N
30
NNE
35
NNE
35
N
40
NNE
40
N
40
N
40
N
35
N
35
NNE
Wind State
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
4:31PM0.30m
4:56AM0.26m
5:15PM0.29m
5:40AM0.25m
6:05PM0.28m
Low Tide
9:49AM-0.01m
10:19PM-0.02m
10:29AM-0.01m
11:00PM-0.00m
11:10AM0.01m
part cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
mod rain
light rain
light rain
light rain
light rain
light rain
cloud
cloud
cloud
cloud
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
—
7:39
—
—
—
—
—
—
—
7:41
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
6:28
—
—
—
—
—
—
—
6:24
—
—
—
—
—
—
—
6:22
—
—
 mm
—
—
—
—
—
1
3
3
5
8
2
1
1
1
1
—
—
—
—
1
2
Temp °C
8
9
10
9
8
8
7
7
5
4
5
5
5
5
6
6
5
5
5
5
5
Feels °C
1
4
6
3
1
-1
-2
-2
-5
-5
-2
-2
-2
-3
-3
-3
-4
-4
-4
-4
-3
  • 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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