Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 7 pm 13 Oct 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
13.3°C
1.4° 

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 (14 Oct):

  • Morning surf: Morning surf (14 Oct, local time) - 6ft (1.9m), 8s period with SW swell.
  • Afternoon surf: Afternoon surf (14 Oct, local time) - 3.5ft (1.1m), 8s period with SW swell.
  • Evening surf: Evening surf (14 Oct, local time) - 3ft (0.9m), 8s period with SW swell.

The current surf forecast for Valnäs - Nord Koster at 1AM is: 1.6m 8s primary swell from a Southwest direction (forecast issued at 07:00pm October 13). An open ocean swell of 1.3m 7s is not directed at the surf break, a second open ocean swell of 3.0m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (CEST) & DateWave HeightWave Period
Morning (14 Oct)6ft (1.9m)8s
Afternoon (14 Oct)3.5ft (1.1m)8s
Evening (14 Oct)3ft (0.9m)8s

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


Short Range Forecast

Moderate rain (total 15mm), heaviest on Tue night. Very mild (max 14°C on Thu afternoon, min 10°C on Tue night). Winds decreasing (near gales from the SSE on Tue night, light winds from the W by Fri afternoon).

Tue
13
Wednesday
14
Thursday
15
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
SW
6
2.5
S
7
3
SSW
8
2.2
WSW
8
2
SW
8
1.9
SW
8
1.9
WSW
7
1.2
SW
8
1.4
WSW
8
0.9
SW
8
1.4
SW
6
1.6
SW
6
1.3
SW
6
1.4
SW
6
1.7
SSW
6
1.9
SSW
6
2
SSW
6
2
SSW
7
2.2
SW
7
Wave Graph
Metric surfscale
Energy kJ
45
0
0
590
453
382
390
160
248
96
143
172
103
0
0
0
0
0
0
Wind (km/h)
50
SSE
60
SSE
40
SSW
35
NW
40
W
35
WNW
20
NW
10
WNW
15
W
20
WSW
40
WSW
35
SW
35
SW
35
SSW
40
S
45
SSW
45
SSW
40
SW
45
SW
Wind State
off
off
cross-off
on
cross-on
on
on
cross-on
cross-on
cross
cross-on
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
High Tide
8:06PM0.26m
8:29AM0.23m
9:14PM0.27m
9:34AM0.24m
10:19PM0.27m
Low Tide
1:17AM0.09m
1:31PM0.08m
2:15AM0.12m
2:32PM0.10m
cloud
mod rain
mod rain
light rain
cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
7:48
—
—
—
—
—
—
—
7:50
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:15
—
—
—
—
—
—
—
6:14
—
—
—
—
—
—
—
6:10
—
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 mm
—
6
7
2
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
10
10
12
10
12
11
10
12
13
12
11
11
12
12
12
13
14
14
13
Feels °C
0
-2
5
2
3
3
5
9
9
7
3
4
6
5
5
5
6
6
5
  • 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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