Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 7 am 04 Oct 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
14.7°C
2.0° 

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 (04 Oct):

  • Morning surf: Morning surf (04 Oct, local time) - 3ft (0.9m), 7s period with SW swell.
  • Afternoon surf: Afternoon surf (04 Oct, local time) - 4.5ft (1.4m), 6s period with SW swell.
  • Evening surf: Evening surf (04 Oct, local time) - 7ft (2.1m), 6s period with SW swell.

The current surf forecast for Valnäs - Nord Koster at 10AM is: 1.2m 7s primary swell from a Southwest direction and 0.9m 7s secondary swell from a Southwest direction (forecast issued at 07:00am October 04). 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 (04 Oct)3ft (0.9m)7s
Afternoon (04 Oct)4.5ft (1.4m)6s
Evening (04 Oct)7ft (2.1m)6s

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


Short Range Forecast

Mostly dry. Very mild (max 15°C on Mon afternoon, min 11°C on Sun morning). Winds increasing (light winds from the W on Sun morning, near gales from the WSW by Mon night).

Sunday
4
Monday
5
Tuesday
6
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
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)
1.4
SW
6
1
SW
6
1.2
SW
7
1.3
SW
6
1.7
SW
6
1.9
SW
6
2.3
SW
7
2.5
SW
7
2.4
SW
7
2.5
SW
7
2.4
SW
7
2.5
SW
7
2.5
SW
7
3
SW
8
2.5
SW
8
2.2
SW
7
1.9
SW
7
1.7
SW
6
1.7
WSW
6
1.5
SW
6
1.4
SW
6
1.3
WSW
6
1.2
SW
6
Wave Graph
Metric surfscale
Energy kJ
167
81
127
126
231
293
466
645
623
641
606
777
740
839
715
493
305
238
202
159
133
105
95
Wind (km/h)
20
W
15
W
20
WSW
40
WSW
45
SW
45
SW
50
SW
50
SW
50
WSW
45
SW
50
SW
55
SW
50
WSW
55
WSW
55
WSW
50
W
50
W
45
W
45
W
40
W
45
W
45
W
40
W
Wind State
cross-on
cross-on
cross
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
12:45PM0.29m
1:20AM0.31m
1:34PM0.31m
2:06AM0.32m
2:20PM0.31m
Low Tide
5:55AM0.08m
6:19PM0.04m
6:55AM0.06m
7:18PM0.01m
7:44AM0.03m
8:08PM-0.01m
clear
clear
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
cloud
part cloud
cloud
cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:26
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7:28
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7:30
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
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6:42
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6:38
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6:36
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 mm
—
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—
—
—
—
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—
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—
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Temp °C
13
12
11
13
13
13
13
13
14
14
14
14
15
15
14
13
13
12
12
13
14
13
12
Feels °C
8
8
6
5
5
5
4
4
6
6
5
4
6
5
2
2
3
1
2
4
4
3
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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