Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 7 pm 03 Sep 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
17.4°C
1.5° 

Valnäs - Nord Koster surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Time (CEST) & DateWave HeightWave Period
Morning (04 Sep)2ft (0.6m)7s
Afternoon (04 Sep)2.5ft (0.8m)7s
Evening (04 Sep)2ft (0.6m)7s

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


Short Range Forecast

Moderate rain (total 14mm), heaviest on Fri night. Very mild (max 18°C on Sat night, min 13°C on Fri night). Wind will be generally light.

Thu
3
Friday
4
Saturday
5
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
1
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)
0.3
SW
6
0.3
SW
6
0.1
SW
6
0.2
SSW
5
0.1
SW
7
0.5
SW
7
0.8
SW
7
0.9
SW
7
0.7
SW
7
0.6
SW
7
0.5
SW
7
0.6
SW
7
0.8
SW
6
1.1
SW
7
1.1
SW
7
1.1
SW
8
1.1
SW
8
0.9
SW
8
0.8
SW
7
Wave Graph
Metric surfscale
Energy kJ
5
5
1
0
2
0
73
84
47
30
0
35
46
102
134
131
181
112
77
Wind (km/h)
15
SW
5
SW
0
NNE
5
WNW
0
E
10
NE
10
NNE
5
N
5
SSW
10
S
5
S
10
ESE
15
E
10
NW
5
NW
10
N
20
NW
25
NW
15
WNW
Wind State
cross
glassy
glassy
on
glassy
cross
cross
glassy
cross-off
cross-off
glassy
cross-off
cross-off
on
on
cross-on
on
on
on
High Tide
11:57PM0.27m
12:12PM0.24m
00:51AM0.29m
1:04PM0.26m
Low Tide
3:56PM0.06m
4:54AM0.11m
5:11PM0.06m
6:10AM0.10m
6:23PM0.05m
cloud
cloud
cloud
light rain
light rain
light rain
cloud
part cloud
part cloud
light rain
light rain
light rain
light rain
rain showers
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:18
6:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:12
8:09
8:07
 mm
1
2
1
1
3
1
2
3
Temp °C
15
15
14
14
14
14
14
14
14
15
14
14
13
14
14
14
16
17
18
Feels °C
12
15
14
13
14
13
12
13
13
14
13
13
11
12
13
12
12
12
15
  • 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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