Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 1 am 10 Jul 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
17.9° 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 (10 Jul):

  • Morning surf: Morning surf (10 Jul, local time) - 0.5ft (0.1m), 4s period with SW swell.
  • Afternoon surf: Afternoon surf (10 Jul, local time) - 0.5ft (0.1m), 7s period with W swell.
  • Evening surf: Evening surf (10 Jul, local time) - 0.5ft (0.1m), 4s period with SW swell.

The current surf forecast for Valnäs - Nord Koster at 4AM is: 0.1m 4s primary swell from a Southwest direction (forecast issued at 01:00am July 10). The wind direction is predicted to be cross-shore.

Time (CEST) & DateWave HeightWave Period
Morning (10 Jul)0.5ft (0.1m)4s
Afternoon (10 Jul)0.5ft (0.1m)7s
Evening (10 Jul)0.5ft (0.1m)4s

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


Short Range Forecast

Mostly dry. Warm (max 26°C on Sun night, min 16°C on Sat night). Winds decreasing (fresh winds from the NNE on Sat night, calm by Sun night).

Friday
10
Saturday
11
Sunday
12
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)
0.1
SW
5
0.1
SW
4
0.1
SW
4
0.1
W
7
0.1
W
7
0.1
SW
5
0.1
SW
4
0.1
SW
4
0.1
SW
4
0.1
SW
4
0.2
SSW
2
0.4
SW
3
0.3
SW
3
0.3
N
2
0.6
N
3
0.7
N
4
0.7
N
4
0.4
NNE
3
0.3
NNW
3
0.3
NNW
3
0.3
NNW
3
Wave Graph
Metric surfscale
Energy kJ
1
1
1
1
1
1
1
1
1
1
0
0
0
0
1
1
7
12
13
4
1
2
1
0
Wind (km/h)
5
N
10
NE
10
NNE
10
WNW
15
W
20
W
5
SSW
5
SSW
15
SSE
10
SSW
10
SSW
10
SSW
15
SW
15
SSW
15
N
30
NNE
30
NNE
30
NNE
30
NE
20
NNE
15
NW
20
NW
20
N
10
SE
Wind State
cross-on
cross
cross-on
on
cross-on
cross-on
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross
cross-off
cross-on
cross
cross-on
cross
cross
cross-on
on
on
cross-on
off
High Tide
2:04AM0.28m
2:18PM0.23m
2:50AM0.30m
3:04PM0.26m
3:37AM0.32m
3:52PM0.29m
Low Tide
7:29AM0.06m
7:34PM0.03m
8:22AM0.05m
8:31PM0.02m
9:13AM0.04m
9:26PM0.01m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:20
4:20
4:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
10:21
10:20
10:17
 mm
Temp °C
19
18
18
21
22
23
23
22
22
21
20
21
21
22
21
19
16
16
16
20
22
25
26
23
Feels °C
18
16
16
19
19
19
22
21
19
19
19
19
18
19
18
15
11
11
11
17
19
21
21
20
  • 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
How to use the Wavefinder 

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