Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 7 pm 01 Sep 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
17.6°C
1.5° 

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 (02 Sep):

  • Afternoon surf: Afternoon surf (02 Sep, local time) - 0.5ft (0.1m), 6s period with SW swell.

The current surf forecast for Valnäs - Nord Koster at 12AM is: 1.6m 6s primary swell from a Southwest direction (forecast issued at 07:00pm September 01). The wind direction is predicted to be cross-shore.

Time (CEST) & DateWave HeightWave Period
Morning (02 Sep)--
Afternoon (02 Sep)0.5ft (0.1m)6s
Evening (02 Sep)--

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


Short Range Forecast

Moderate rain (total 10mm), heaviest on Fri morning. Very mild (max 17°C on Tue night, min 13°C on Wed night). Winds decreasing (strong winds from the W on Wed morning, light winds from the SSW by Thu night).

Tue
1
Wednesday
2
Thursday
3
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
Swell
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
6
0.4
SSW
6
1.3
SW
6
2.1
SW
7
1.8
SW
7
1.7
SW
6
1.7
SW
6
1.7
SW
6
1.8
SW
6
1.6
SW
7
1.5
SW
7
1.7
WSW
6
1.5
WSW
6
1.4
SW
6
0.9
SW
6
0.8
SW
6
0.7
SW
6
0.8
SW
6
1.1
SW
6
Wave Graph
Metric surfscale
Energy kJ
1
0
122
371
267
210
219
217
265
233
195
232
181
149
66
46
35
46
72
Wind (km/h)
20
SSW
20
SSW
40
WSW
50
WSW
40
WSW
45
WSW
50
W
45
WSW
45
SW
35
W
40
W
30
W
25
W
25
W
20
WSW
15
SW
20
SW
20
SW
20
SW
Wind State
cross-off
cross-off
cross-on
cross
cross
cross
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross-off
cross
High Tide
9:48PM0.23m
10:06AM0.19m
10:55PM0.25m
11:13AM0.21m
Low Tide
2:31AM0.08m
2:47PM0.05m
3:38AM0.10m
3:56PM0.06m
cloud
cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:13
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:17
8:15
8:12
 mm
Temp °C
17
16
17
16
16
15
15
16
16
17
15
14
13
13
14
14
15
16
15
Feels °C
14
13
10
7
10
6
5
7
6
9
6
7
7
7
9
10
10
12
12
  • 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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