Valnäs - Nord Koster Surf Break

Lat Long: 58.91° N 10.99° E

Valnäs - Nord Koster 48 hour detailed Surf Forecast

Issued: 1 pm 30 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 (30 Jul):

  • Morning surf: Morning surf (30 Jul, local time) - 1.5ft (0.5m), 6s period with SW swell.
  • Afternoon surf: Afternoon surf (30 Jul, local time) - 1ft (0.3m), 5s period with SW swell.
  • Evening surf: Evening surf (30 Jul, local time) - 1ft (0.3m), 5s period with SW swell.

The current surf forecast for Valnäs - Nord Koster at 4PM is: 0.3m 5s primary swell from a Southwest direction (forecast issued at 01:00pm July 30). An open ocean swell of 0.5m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (CEST) & DateWave HeightWave Period
Morning (30 Jul)1.5ft (0.5m)6s
Afternoon (30 Jul)1ft (0.3m)5s
Evening (30 Jul)1ft (0.3m)5s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Thu night. Very mild (max 19°C on Thu afternoon, min 14°C on Sat morning). Winds increasing (light winds from the NNW on Thu night, near gales from the SW by Fri afternoon).

Thu
30
Friday
31
Saturday
1
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)
0.6
SSW
4
0.3
SW
5
0.3
SW
5
0.3
SW
5
0.5
SW
3
1.3
SW
5
1.8
SW
6
1.8
SW
6
1.8
SW
6
1.8
SW
6
2.1
SW
7
2.3
SW
7
2.1
SW
7
1.6
SW
7
1.5
SW
6
1.3
SW
6
1.3
SW
6
1.6
SW
6
2
SW
6
1.8
SW
6
1.9
SW
6
Wave Graph
Metric surfscale
Energy kJ
0
5
4
4
0
0
247
263
263
231
0
529
479
219
172
122
118
0
297
239
284
Wind (km/h)
20
S
20
S
15
SSW
5
NNW
20
SW
40
SW
45
WSW
45
WSW
40
WSW
45
SW
50
SW
50
SW
35
WSW
45
WSW
40
WSW
35
WSW
40
WSW
45
SW
50
SW
45
SW
45
SW
Wind State
cross-off
cross-off
cross-off
on
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross
cross-on
cross-on
cross
cross
cross
cross
cross
High Tide
6:35PM0.27m
6:59AM0.25m
7:23PM0.25m
7:45AM0.22m
8:15PM0.24m
Low Tide
11:38AM0.06m
11:57PM0.05m
12:12PM0.05m
00:37AM0.05m
12:49PM0.05m
part cloud
rain showers
cloud
rain showers
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:00
5:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:45
9:43
9:39
 mm
1
2
1
1
Temp °C
17
18
19
17
18
17
16
15
16
16
15
16
18
15
15
14
15
16
15
16
17
Feels °C
14
16
18
18
16
10
8
6
8
8
5
7
10
6
7
6
6
7
6
7
8
  • 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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