Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 1 am 29 Sep 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
15.3°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 (29 Sep):

  • Morning surf: Morning surf (29 Sep, local time) - 2ft (0.6m), 6s period with SW swell.
  • Afternoon surf: Afternoon surf (29 Sep, local time) - 1ft (0.3m), 6s period with SW swell.
  • Evening surf: Evening surf (29 Sep, local time) - 0.5ft (0.1m), 6s period with SW swell.

The current surf forecast for Valnäs - Nord Koster at 6AM is: 0.6m 6s primary swell from a Southwest direction (forecast issued at 01:00am September 29). An open ocean swell of 0.3m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (CEST) & DateWave HeightWave Period
Morning (29 Sep)2ft (0.6m)6s
Afternoon (29 Sep)1ft (0.3m)6s
Evening (29 Sep)0.5ft (0.1m)6s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Tue night. Warm (max 20°C on Thu afternoon, min 12°C on Tue morning). Mainly fresh winds.

Tuesday
29
Wednesday
30
Thursday
1
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)
0.9
SW
5
0.6
SW
6
0.6
SW
6
0.5
SW
6
0.4
SW
6
0.3
SW
6
0.1
SW
6
0.1
SW
6
0.1
SW
5
0.1
SW
5
0.1
SW
5
0.4
NE
3
0.4
NE
3
0.3
SSE
5
0.3
SSE
5
0.3
S
5
0.3
SSE
5
0.1
SW
7
0.1
SW
7
0.6
S
6
0.7
S
6
0.1
SW
7
0.1
SW
7
0.1
SW
7
Wave Graph
Metric surfscale
Energy kJ
39
26
22
0
12
5
1
1
1
1
1
0
0
0
0
0
0
2
2
0
0
2
2
2
Wind (km/h)
15
SSW
5
SSE
10
E
15
ENE
10
E
15
E
15
ENE
25
E
20
ENE
25
E
30
E
25
E
25
E
25
E
30
E
30
E
30
E
30
E
30
E
25
ESE
15
ESE
20
E
25
E
25
ESE
Wind State
cross-off
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
High Tide
7:06AM0.21m
8:08PM0.25m
8:26AM0.21m
9:24PM0.25m
9:44AM0.23m
10:34PM0.27m
Low Tide
00:20AM0.04m
12:35PM0.02m
1:12AM0.07m
1:31PM0.04m
2:13AM0.09m
2:36PM0.06m
clear
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
light rain
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
7:13
—
—
—
—
—
—
—
7:16
—
—
—
—
—
—
—
7:18
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
6:57
—
—
—
—
—
—
—
6:53
—
—
—
—
—
—
—
6:51
—
—
 mm
—
—
—
—
—
—
—
—
—
2
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
14
13
13
12
15
16
15
15
13
12
12
13
15
14
13
14
14
13
12
14
18
20
20
15
Feels °C
11
12
11
9
13
14
13
10
9
7
7
9
11
10
8
9
9
7
6
9
14
16
15
9
  • 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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