Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 1 pm 28 Jul 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
17.8° C
0.4° 

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 (28 Jul):

  • Morning surf: Morning surf (28 Jul, local time) - 4.5ft (1.4m), 6s period with SW swell.
  • Afternoon surf: Afternoon surf (28 Jul, local time) - 3.5ft (1.1m), 6s period with SW swell.
  • Evening surf: Evening surf (28 Jul, local time) - 7.5ft (2.3m), 7s period with SW swell.

The current surf forecast for Valnäs - Nord Koster at 4PM is: 1.3m 6s primary swell from a Southwest direction (forecast issued at 01:00pm July 28). The wind direction is predicted to be cross-shore.

Time (CEST) & DateWave HeightWave Period
Morning (28 Jul)4.5ft (1.4m)6s
Afternoon (28 Jul)3.5ft (1.1m)6s
Evening (28 Jul)7.5ft (2.3m)7s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Thu afternoon. Very mild (max 19°C on Wed afternoon, min 15°C on Thu night). Winds decreasing (strong winds from the WSW on Tue night, light winds from the WNW by Thu afternoon).

Tue
28
Wednesday
29
Thursday
30
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.7
WSW
7
1
SW
6
1.4
SW
6
2.3
SW
7
2.1
SW
7
1.5
SW
6
1.2
SW
5
1.4
SW
6
1
SW
6
1.2
SW
6
1.2
SW
6
1.1
SW
5
0.7
SW
5
0.4
SW
6
0.3
SW
6
0.3
SW
6
0.3
SW
6
0.3
SW
5
0.3
SW
5
0.5
SSW
5
1.2
SW
5
Wave Graph
Metric surfscale
Energy kJ
234
81
152
480
382
0
0
114
0
0
0
0
28
13
5
5
5
5
4
0
0
Wind (km/h)
25
W
30
SW
40
SW
50
WSW
40
SW
35
SW
30
SW
25
WSW
25
WSW
30
SSW
30
SSW
35
S
25
S
25
S
25
S
20
S
20
S
20
S
10
WNW
20
SW
45
WSW
Wind State
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
cross
cross
High Tide
5:12PM0.29m
5:37AM0.30m
5:52PM0.28m
6:17AM0.28m
6:35PM0.27m
Low Tide
10:37AM0.08m
10:43PM0.06m
11:07AM0.07m
11:19PM0.06m
11:38AM0.06m
clear
clear
part cloud
part cloud
cloud
part cloud
clear
clear
clear
part cloud
clear
part cloud
part cloud
rain showers
cloud
cloud
cloud
light rain
rain showers
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:54
4:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:49
9:46
9:45
 mm
1
2
1
Temp °C
17
18
17
17
16
16
16
16
17
18
19
18
19
18
18
17
18
18
19
18
18
Feels °C
12
13
10
9
10
11
12
12
14
14
15
14
16
15
16
15
16
17
20
17
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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