Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 7 pm 12 Oct 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
13.5°C
1.5° 

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 (12 Oct):

  • Afternoon surf: Afternoon surf (12 Oct, local time) - 0.5ft (0.1m), 6s period with SW swell.
  • Evening surf: Evening surf (12 Oct, local time) - 0.5ft (0.1m), 6s period with SW swell.

The current surf forecast for Valnäs - Nord Koster at 11PM is: 0.1m 6s primary swell from a Southwest direction (forecast issued at 07:00pm October 12). The wind direction is predicted to be offshore.

Time (CEST) & DateWave HeightWave Period
Morning (12 Oct)--
Afternoon (12 Oct)0.5ft (0.1m)6s
Evening (12 Oct)0.5ft (0.1m)6s

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


Short Range Forecast

Moderate rain (total 16mm), heaviest on Tue night. Very mild (max 14°C on Thu afternoon, min 6°C on Mon night). Winds decreasing (near gales from the SSE on Tue night, light winds from the WSW by Wed afternoon).

Mon
12
Tuesday
13
Wednesday
14
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)
0.1
SW
6
0.1
SW
6
0.1
SW
6
0.1
SW
6
0.1
SW
6
0.1
SW
6
0.9
S
4
1.3
S
5
1.8
S
6
2.5
S
7
3
SSW
8
2.2
WSW
8
1.7
SW
7
1.6
SW
7
1.6
WSW
7
1.1
SW
7
1
SW
7
0.9
SW
7
1.7
SW
6
Wave Graph
Metric surfscale
Energy kJ
1
1
1
1
1
1
0
0
0
0
0
650
311
273
242
118
105
91
205
Wind (km/h)
10
NNE
15
E
15
ESE
15
SE
25
SE
30
SSE
35
SSE
45
SSE
50
SSE
60
SSE
35
SSW
35
W
45
W
40
WNW
25
NW
10
WNW
10
WSW
20
SW
40
WSW
Wind State
cross
cross-off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
cross-on
cross-on
on
on
cross-on
cross
cross-on
High Tide
7:01PM0.27m
7:25AM0.23m
8:06PM0.26m
8:29AM0.23m
9:14PM0.27m
Low Tide
00:27AM0.06m
12:39PM0.06m
1:17AM0.09m
1:31PM0.08m
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
mod rain
mod rain
rain showers
cloud
clear
clear
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
7:46
—
—
—
—
—
—
—
7:48
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:19
—
—
—
—
—
—
—
6:15
—
—
—
—
—
—
—
6:14
—
—
 mm
—
—
—
—
—
—
—
—
—
7
8
1
—
—
—
—
—
—
—
Temp °C
8
8
7
6
6
7
8
10
11
10
13
12
12
12
12
12
13
12
11
Feels °C
4
4
2
1
0
0
0
1
1
-2
6
5
3
3
6
9
10
8
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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