Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 7 am 23 Jul 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
19.0° C
1.8° 

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 (23 Jul):

  • Morning surf: Morning surf (23 Jul, local time) - 1.5ft (0.4m), 3s period with NNE swell.
  • Afternoon surf: Afternoon surf (23 Jul, local time) - 0.5ft (0.1m), 5s period with SW swell.
  • Evening surf: Evening surf (23 Jul, local time) - 1.5ft (0.4m), 3s period with SW swell.

The current surf forecast for Valnäs - Nord Koster at 10AM is: 0.1m 5s primary swell from a Southwest direction and 0.2m 3s secondary swell from a North direction (forecast issued at 07:00am July 23). The wind direction is predicted to be cross-onshore.

Time (CEST) & DateWave HeightWave Period
Morning (23 Jul)1.5ft (0.4m)3s
Afternoon (23 Jul)0.5ft (0.1m)5s
Evening (23 Jul)1.5ft (0.4m)3s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Sat night. Very mild (max 19°C on Fri afternoon, min 13°C on Thu morning). Winds increasing (light winds from the SW on Fri morning, near gales from the WSW by Sat night).

Thursday
23
Friday
24
Saturday
25
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)
0.4
NNE
3
0.4
NNE
3
0.2
N
3
0.1
SW
5
0.1
SW
5
0.5
SW
4
0.7
SW
4
0.1
W
9
0.1
SW
8
0.1
SW
8
0.4
SW
6
1
SW
6
2.2
SW
7
2.1
SW
7
1.5
SW
6
1.7
SW
7
1.3
SW
7
1.8
SW
7
2.1
SW
6
2
SW
6
2.2
SW
7
2
SW
7
Wave Graph
Metric surfscale
Energy kJ
3
3
1
1
0
1
0
0
2
3
3
11
67
475
456
0
253
164
289
341
0
0
0
Wind (km/h)
25
NNE
20
NNE
15
N
20
W
15
SW
20
SSW
20
SSW
30
S
30
S
20
S
15
SW
15
SW
35
SW
50
WSW
45
SW
35
WSW
30
SW
35
WSW
45
SW
45
SSW
50
SW
45
SW
45
WSW
Wind State
cross
cross
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-off
cross-off
cross
cross
High Tide
1:51PM0.24m
2:18AM0.30m
2:35PM0.26m
3:02AM0.31m
3:16PM0.27m
Low Tide
7:57AM0.07m
7:36PM0.07m
8:41AM0.08m
8:22PM0.07m
9:15AM0.09m
9:00PM0.07m
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:43
4:45
4:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
10:00
9:58
9:55
 mm
1
1
1
2
Temp °C
14
13
16
16
17
17
17
16
16
17
17
18
19
19
17
17
16
17
16
16
16
16
16
Feels °C
9
7
12
11
13
13
13
11
11
14
15
15
13
10
9
10
10
11
8
8
7
8
7
  • 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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