Valnäs - Nord Koster surfForecast / Kattegat and Skagerrack / Sweden

information circle16 Day Weather and Surf, issued 7 am Tuesday 02 Jun 2026 CEST
Forecast update in hr  min  s Forecast update imminent
Valnäs - Nord Koster surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Valnäs - Nord Koster sea temperature is
12.8° C
(Which is normal for this time of year)

Valnäs - Nord Koster surf forecast from 2 Jun 2026:

  • Best quality surf: Thursday 4 Jun, 11PM (local time) - 2.5ft (0.7m), 8s period, SW swell with offshore winds.
  • Most powerful swell: Monday 8 Jun, 8PM (local time) - 8ft (2.4m), 8s period, SW swell with 640 kJ wave energy.
  • Next surfable swell (1★+): Thursday 4 Jun, 11PM (local time) - 2.5ft (0.7m), 8s period with SW swell.

Best Forecast Surf Conditions for Valnäs - Nord Koster this week:

The surf forecast for Valnäs - Nord Koster over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jun 04) at 11PM. The primary swell is predicted to be 0.7m and 8s period with a secondary swell of 0.6m and 7s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Valnäs - Nord Koster in the next 16 days are 2.4m 8s and forecast to arrive on Monday (Jun 08) at 8PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Tuesday (Jun 09) at 11AM.

Wave TypeTime (CEST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Thu 4th Jun)2.5ft (0.7m) 8s
Best Surf11PM (Thu 4th Jun)2.5ft (0.7m) 8s
Most Powerful 8PM (Mon 8th Jun)8ft (2.4m) 8s

Table - best surf conditions forecast for Valnäs - Nord Koster over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 13mm), heaviest on Wed night. Warm (max 20°C on Wed morning, min 13°C on Tue morning). Mainly fresh winds.

Days 4-6 Weather Summary

Moderate rain (total 15mm), heaviest on Fri afternoon. Very mild (max 16°C on Sun afternoon, min 13°C on Fri morning). Winds decreasing (fresh winds from the SSW on Sat afternoon, light winds from the ESE by Sun morning).

Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Saturday
6
Sunday
7
Monday
8
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
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
Wave
Height (m)
Direction
Period (s)
0.7
SW
5
0.4
SW
4
0.1
SW
4
0.1
SW
5
0.2
WSW
6
0.3
SW
6
0.3
SW
5
1.4
S
6
0.6
SW
8
0.5
SW
7
0.8
SSW
7
1.8
SW
7
1.6
SW
6
1.3
SSW
6
0.3
SW
6
0.3
SW
6
0.1
SW
6
0.3
SW
6
0.6
SW
9
1.3
SW
8
2
SW
7
Wave Graph
Metric surfscale
Energy kJ
0
0
1
1
3
5
4
0
46
0
0
279
209
0
6
5
1
6
49
196
347
Wind (km/h)
20
SSW
20
SSE
15
ESE
20
ESE
15
SSE
30
SE
25
SE
25
SSE
15
SE
10
SE
25
SSW
30
SSW
30
SSW
35
SSW
25
SSW
15
SE
5
ESE
15
ENE
20
NNW
20
W
25
SSW
cross-off
cross-off
off
off
cross-off
off
off
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-on
cross-on
cross-off
High Tide
7:50PM0.26m
8:27AM0.28m
8:46PM0.26m
9:22AM0.26m
9:41PM0.25m
10:15AM0.25m
10:34PM0.25m
11:06AM0.23m
11:23PM0.24m
11:53AM0.21m
00:09AM0.24m
12:36PM0.20m
00:52AM0.25m
Low Tide
12:43PM0.11m
00:57AM0.10m
1:27PM0.12m
1:46AM0.10m
2:12PM0.12m
2:38AM0.10m
2:57PM0.11m
3:32AM0.10m
3:42PM0.10m
4:28AM0.09m
4:28PM0.08m
5:21AM0.08m
5:16PM0.07m
cloud
cloud
cloud
part cloud
light rain
mod rain
part cloud
light rain
light rain
light rain
mod rain
clear
clear
clear
clear
part cloud
light rain
rain showers
cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:13
4:13
4:11
4:11
4:09
4:09
4:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
10:13
10:15
10:16
10:17
10:19
10:21
10:22
1
7
2
3
4
6
2
3
Temp °C
13
14
15
20
19
14
15
14
15
14
13
13
13
13
13
14
16
14
13
15
14
9
11
13
17
16
14
11
10
12
11
9
9
8
7
7
13
15
11
9
12
10
Swell 1
Height (m)
Direction
Period (s)
0.4
SW
4
0.3
S
4
0.4
S
4
0.2
WSW
6
0.3
SW
6
0.3
SW
5
0.7
S
6
0.5
SW
7
0.7
SW
5
0.3
SW
6
0.4
S
4
0.4
S
5
0.6
SW
9
Energy kJ
4
3
5
3
5
4
31
26
23
5
6
8
49
Swell 2
Height (m)
Direction
Period (s)
0.1
SW
4
0.1
SW
5
0.6
SW
8
0.3
SW
6
0.3
SW
6
0.1
SW
6
0.3
SW
6
0.4
S
5
Energy kJ
1
1
46
6
5
1
6
8
Swell 3
Height (m)
Direction
Period (s)
0.1
SW
10
Energy kJ
4
Wind waves
Height (m)
Direction
Period (s)
0.7
SW
5
0.4
SSW
4
0.4
SSE
4
0.4
S
4
0.8
S
4
1
S
5
1.4
S
6
0.5
S
5
0.8
SSW
7
1.8
SW
7
1.6
SW
6
1.3
SSW
6
0.3
SSE
3
0.4
SSW
4
1.3
SW
8
2
SW
7
Energy kJ
22
5
5
6
26
58
121
12
62
279
209
101
2
4
196
347
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
2
1
2
1
1
1
1
1
1
1
Distance (km)
312
482
482
827
482
769
791
254
484
66
66
800
66
482
312
313
312
242
800
925
312
Best forecast wave conditions in Kattegat and Skagerrack
Rating
(10 max)
Best forecast wave conditions in Sweden
Rating
(10 max)
Header Global
Rating
(10 max)
5
5
5
5
5
5
4
5
5
5
9
8
7
9
9
9
7
7
9
8
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Valnäs - Nord Koster Surf forecast

The above surf forecast table for Valnäs - Nord Koster provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Valnäs - Nord Koster can be found by selecting the local surf guide option on the grey menu. Our Valnäs - Nord Koster surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Valnäs - Nord Koster) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Valnäs - Nord Koster may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Valnäs - Nord Koster is 32 km (20 miles) from Fredrikstad. If you plan a holiday in Kattegat and Skagerrack, look for hotels and other accommodation in Fredrikstad. Fredrikstad has rooms for a wide range of budgets as well as car hire and transport links.

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