Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 1 pm 16 Oct 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
12.8°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 (16 Oct):

  • Morning surf: Morning surf (16 Oct, local time) - 4ft (1.2m), 7s period with SW swell.
  • Afternoon surf: Afternoon surf (16 Oct, local time) - 1.5ft (0.4m), 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 7PM is: 0.6m 7s primary swell from a Southwest direction (forecast issued at 01:00pm October 16). An open ocean swell of 0.2m 5s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (CEST) & DateWave HeightWave Period
Morning (16 Oct)4ft (1.2m)7s
Afternoon (16 Oct)1.5ft (0.4m)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 6mm), mostly falling on Fri afternoon. Very mild (max 11°C on Fri night, min 6°C on Sat morning). Winds increasing (calm on Fri afternoon, fresh winds from the NE by Sat morning).

Fri
16
Saturday
17
Sunday
18
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)
1.1
SW
8
0.8
SW
5
0.4
SW
8
0.6
SW
7
0.4
SW
7
0.4
SW
7
0.3
SW
7
0.3
SW
6
0.7
NNE
4
0.6
NNE
3
0.5
N
3
0.5
NNE
3
0.4
NE
3
0.4
NE
3
0.4
NE
3
0.3
NE
2
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Wave Graph
Metric surfscale
Energy kJ
135
31
20
33
17
16
7
7
11
9
6
5
2
2
2
1
0
0
0
0
0
Wind (km/h)
25
WSW
15
WNW
0
SW
10
W
10
NW
15
N
25
NNE
30
NNE
35
NE
30
NE
30
NNE
25
NE
20
NE
20
NE
20
NE
15
NE
10
NE
10
NE
10
NE
10
ESE
10
SE
Wind State
cross-on
on
glassy
cross-on
on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross-off
cross
cross
cross
cross-off
off
High Tide
10:36AM0.25m
11:17PM0.28m
11:31AM0.26m
00:08AM0.29m
12:19PM0.27m
Low Tide
3:46PM0.12m
5:30AM0.15m
5:16PM0.11m
6:40AM0.14m
6:27PM0.10m
cloud
light rain
light rain
clear
clear
clear
clear
clear
clear
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>
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7:56
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—
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—
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7:58
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—
—
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
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6:07
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—
—
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6:05
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6:01
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 mm
—
4
2
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—
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—
—
—
—
—
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Temp °C
12
9
9
10
11
10
9
6
9
9
10
8
8
7
7
7
7
8
9
8
8
Feels °C
6
5
8
8
9
6
3
-2
1
1
3
1
2
1
1
2
3
4
5
4
4
  • 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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