Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 1 am 16 Oct 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
12.8°C
1.2° 

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 (16 Oct):

  • Morning surf: Morning surf (16 Oct, local time) - 4.5ft (1.4m), 8s period with SW swell.
  • Afternoon surf: Afternoon surf (16 Oct, local time) - 3.5ft (1.0m), 8s period with SW swell.
  • Evening surf: Evening surf (16 Oct, local time) - 2ft (0.6m), 7s period with SW swell.

The current surf forecast for Valnäs - Nord Koster at 6AM is: 1.8m 7s primary swell from a Southwest direction (forecast issued at 01:00am October 16). An open ocean swell of 0.6m 6s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (CEST) & DateWave HeightWave Period
Morning (16 Oct)4.5ft (1.4m)8s
Afternoon (16 Oct)3.5ft (1.0m)8s
Evening (16 Oct)2ft (0.6m)7s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Fri afternoon. Very mild (max 12°C on Fri morning, min 5°C on Sat night). Mainly fresh winds.

Friday
16
Saturday
17
Sunday
18
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)
2
SW
7
1.8
SW
7
1.5
WSW
8
1
SW
8
0.8
SW
8
0.6
SW
8
0.6
SW
7
0.4
SW
7
0.4
SW
7
0.3
SW
7
0.7
NNE
4
0.8
NNE
4
0.7
NNE
4
0.6
N
4
0.6
NNE
4
0.6
NNE
4
0.5
NE
3
0.5
NE
3
0.4
NE
3
0.3
NE
3
—
—
—
—
Wave Graph
Metric surfscale
Energy kJ
0
287
285
117
84
45
33
17
16
7
13
19
15
10
10
8
5
5
2
1
0
0
0
0
Wind (km/h)
40
SW
35
WSW
25
WSW
25
SW
20
SW
20
SW
15
SW
5
NNW
20
NNE
30
NNE
40
NNE
35
NE
35
NNE
35
NNE
30
NNE
30
NE
25
NE
25
NE
25
NE
20
ENE
20
ENE
15
ENE
15
E
15
ESE
Wind State
cross
cross
cross
cross
cross
cross-off
cross
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
10:36AM0.25m
11:17PM0.28m
11:31AM0.26m
00:08AM0.29m
12:19PM0.27m
Low Tide
3:29AM0.14m
3:46PM0.12m
5:30AM0.15m
5:16PM0.11m
6:40AM0.14m
6:27PM0.10m
part cloud
part cloud
cloud
cloud
light rain
cloud
cloud
clear
clear
clear
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
7:52
—
—
—
—
—
—
—
7:56
—
—
—
—
—
—
—
7:58
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
6:07
—
—
—
—
—
—
—
6:05
—
—
—
—
—
—
—
6:01
—
—
 mm
—
—
—
—
2
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
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Temp °C
14
13
12
12
10
11
11
12
10
8
8
9
9
9
8
6
6
5
5
5
8
8
7
7
Feels °C
7
6
6
7
6
7
8
10
5
1
-1
1
0
0
1
-1
-1
-2
-2
-1
3
3
2
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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