Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 1 am 11 Oct 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
13.7°C
1.7° 

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 (11 Oct):

  • Morning surf: Morning surf (11 Oct, local time) - 3.5ft (1.0m), 4s period with N swell.
  • Afternoon surf: Afternoon surf (11 Oct, local time) - 3.5ft (1.0m), 4s period with N swell.
  • Evening surf: Evening surf (11 Oct, local time) - 2.5ft (0.8m), 4s period with N swell.

The current surf forecast for Valnäs - Nord Koster at 10AM is: 1.0m 4s primary swell from a North direction and 0.2m 7s secondary swell from a West-southwest direction, 0.1m 9s secondary swell from a Southwest direction (forecast issued at 01:00am October 11). The wind direction is predicted to be cross-shore.

Time (CEST) & DateWave HeightWave Period
Morning (11 Oct)3.5ft (1.0m)4s
Afternoon (11 Oct)3.5ft (1.0m)4s
Evening (11 Oct)2.5ft (0.8m)4s

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


Short Range Forecast

Heavy rain (total 22mm), heaviest during Tue night. Very mild (max 12°C on Tue night, min 4°C on Mon morning). Winds increasing (light winds from the NNE on Mon afternoon, near gales from the SSE by Tue night).

Sunday
11
Monday
12
Tuesday
13
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)
0.4
SW
8
0.8
N
4
1
N
4
1
N
4
1.1
N
4
1
N
4
0.8
N
4
0.6
N
4
0.5
N
3
0.4
NNE
3
0.3
NNE
3
0.3
NNE
3
0.1
SW
6
0.1
SW
6
0.1
SW
6
0.1
SW
6
0.1
SW
6
0.1
SW
6
0.1
SW
6
0.8
SW
5
0.9
SW
6
1.1
SW
6
1.1
SW
6
1.1
SW
8
Wave Graph
Metric surfscale
Energy kJ
18
19
33
35
44
37
21
10
6
3
2
2
1
1
1
1
1
1
1
30
58
80
88
145
Wind (km/h)
35
NNE
40
NNE
40
NNE
40
NNE
40
NNE
40
NNE
35
NNE
30
NNE
25
NNE
25
NNE
25
NNE
20
NE
15
NNE
10
NNE
10
E
10
ESE
10
SE
20
SE
30
SE
35
SSE
40
SSE
45
SSE
50
SSE
55
SSE
Wind State
cross-on
cross-on
cross
cross
cross-on
cross-on
cross
cross
cross-on
cross-on
cross
cross
cross-on
cross-on
cross-off
cross-off
off
off
off
off
cross-off
cross-off
off
off
High Tide
5:40AM0.25m
6:05PM0.28m
6:29AM0.24m
7:01PM0.27m
7:25AM0.23m
8:06PM0.26m
Low Tide
11:10AM0.01m
11:43PM0.03m
11:52AM0.03m
00:27AM0.06m
12:39PM0.06m
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
7:41
—
—
—
—
—
—
—
7:43
—
—
—
—
—
—
—
7:46
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
6:22
—
—
—
—
—
—
—
6:19
—
—
—
—
—
—
—
6:15
—
—
 mm
1
1
3
2
1
1
1
1
—
—
—
—
—
—
—
—
—
—
—
—
1
1
1
4
Temp °C
5
5
5
5
5
5
5
5
5
5
4
4
5
7
7
6
5
6
7
9
10
11
10
10
Feels °C
-3
-4
-4
-4
-4
-4
-3
-2
-2
-1
-2
-2
0
3
3
2
1
1
0
1
2
2
0
-1
  • 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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