Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 1 am 19 Jul 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
20.0° C
3.1° 

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 (19 Jul):

  • Morning surf: Morning surf (19 Jul, local time) - 3.5ft (1.0m), 4s period with N swell.
  • Afternoon surf: Afternoon surf (19 Jul, local time) - 1.5ft (0.4m), 4s period with NNE swell.

The current surf forecast for Valnäs - Nord Koster at 9AM is: 1.0m 4s primary swell from a North direction (forecast issued at 01:00am July 19). The wind direction is predicted to be cross-shore.

Time (CEST) & DateWave HeightWave Period
Morning (19 Jul)3.5ft (1.0m)4s
Afternoon (19 Jul)1.5ft (0.4m)4s
Evening (19 Jul)--

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Sun morning. Warm (max 23°C on Mon night, min 10°C on Sun morning). Winds decreasing (strong winds from the NNE on Sun morning, calm by Sun night).

Sunday
19
Monday
20
Tuesday
21
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)
1.2
N
5
1.2
N
5
1.1
N
4
0.9
NNE
4
0.4
NNE
4
0.2
NNE
2
0.2
E
3
0.4
N
3
0.4
NNW
3
0.3
NNW
3
0.2
NNW
3
0.3
W
2
0.3
WSW
3
0.4
SW
4
0.3
SW
4
0.3
SW
4
0.3
SW
4
0.4
SW
2
0.4
SSW
3
0.1
W
9
Wave Graph
Metric surfscale
Energy kJ
60
60
50
29
4
1
0
0
0
0
2
3
2
1
0
1
2
4
3
3
3
0
0
2
Wind (km/h)
50
NNE
50
NNE
45
NNE
40
NNE
30
NE
15
ENE
10
E
5
NE
15
NNW
20
NNE
25
NNE
25
N
25
NNW
25
NW
20
NW
25
NW
10
NE
5
E
5
ESE
5
WSW
15
SW
20
S
25
S
35
SSE
Wind State
cross-on
cross-on
cross-on
cross
cross
cross-off
cross-off
glassy
on
cross
cross-on
cross-on
on
on
on
on
cross
cross-off
glassy
glassy
cross
cross-off
cross-off
off
High Tide
10:03AM0.24m
10:33PM0.27m
11:05AM0.23m
11:35PM0.27m
12:05PM0.22m
Low Tide
3:00AM0.02m
3:14PM0.03m
4:10AM0.04m
4:17PM0.04m
5:33AM0.05m
5:27PM0.05m
heavy rain
mod rain
light rain
light rain
cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:35
4:37
4:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
10:07
10:05
10:04
 mm
12
6
2
1
Temp °C
11
10
10
10
11
14
15
15
16
13
14
17
20
22
23
21
18
16
15
16
18
18
17
16
Feels °C
1
0
1
2
4
10
13
13
13
9
9
12
14
16
17
15
16
14
14
15
15
15
13
11
  • 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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