Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 1 am 31 Jul 2026 (local time)

Forecast update in  hr  min

Today's Valnäs - Nord Koster sea temperature is
17.3° C
0.3° 

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 (31 Jul):

  • Morning surf: Morning surf (31 Jul, local time) - 6ft (1.8m), 6s period with SW swell.
  • Afternoon surf: Afternoon surf (31 Jul, local time) - 5ft (1.6m), 6s period with SW swell.

The current surf forecast for Valnäs - Nord Koster at 9AM is: 1.8m 6s primary swell from a Southwest direction (forecast issued at 01:00am July 31). The wind direction is predicted to be cross-shore.

Time (CEST) & DateWave HeightWave Period
Morning (31 Jul)6ft (1.8m)6s
Afternoon (31 Jul)5ft (1.6m)6s
Evening (31 Jul)--

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Sat night. Very mild (max 19°C on Sun night, min 14°C on Sat night). Winds decreasing (strong winds from the SW on Fri night, moderate winds from the W by Sun night).

Friday
31
Saturday
1
Sunday
2
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)
1.4
SW
5
1.8
SW
6
1.9
SW
6
1.8
SW
6
1.6
SW
6
1.9
SW
6
2.1
SW
7
1.7
SW
7
1.5
SW
7
1.4
SW
6
1.1
SW
6
1.1
SW
6
1.7
SW
6
1.9
SW
6
1.9
SW
6
1.8
SW
6
1.8
SW
6
1.8
SW
6
1.8
SW
6
1.6
SW
6
1.8
SW
6
1.8
SW
6
1.6
SW
7
1.6
SW
7
Wave Graph
Metric surfscale
Energy kJ
110
247
293
244
196
0
0
277
195
151
93
90
0
278
0
282
251
265
256
193
228
273
233
219
Wind (km/h)
40
SW
45
WSW
45
WSW
45
WSW
40
SW
45
SW
50
SW
35
WSW
40
WSW
35
WSW
35
WSW
40
WSW
45
SW
50
SW
50
SW
45
WSW
45
WSW
50
WSW
50
WSW
45
WSW
40
SW
45
SW
40
WSW
35
WSW
Wind State
cross
cross
cross
cross
cross-off
cross-off
cross
cross-on
cross
cross
cross-on
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross
cross
cross
cross-on
cross-on
High Tide
6:59AM0.25m
7:23PM0.25m
7:45AM0.22m
8:15PM0.24m
8:37AM0.20m
9:12PM0.23m
Low Tide
11:57PM0.05m
12:12PM0.05m
00:37AM0.05m
12:49PM0.05m
1:20AM0.06m
1:29PM0.04m
part cloud
clear
clear
clear
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
rain showers
clear
cloud
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:00
5:01
5:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:43
9:39
9:37
 mm
1
1
Temp °C
17
15
15
15
16
16
16
18
15
15
15
15
16
15
16
17
15
14
14
15
17
18
19
17
Feels °C
10
6
5
7
8
8
7
11
6
7
7
7
7
6
7
8
5
4
4
6
8
9
11
9
  • 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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