Valnäs - Nord Koster surfForecast / Kattegat and Skagerrack / Sweden

information circle16 Day Weather and Surf, issued 1 am Thursday 07 May 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
9.5° C
(Which is slightly warmer than usual)

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 (May 14) at 2AM. The primary swell is predicted to be 1.9m and 6s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Valnäs - Nord Koster in the next 16 days are 2.4m 7s and forecast to arrive on Wednesday (May 13) 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 1.5m 6s period and expected on Monday (May 11) at 2PM.

Wave TypeTime (CEST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Thu 14th May)6ft (1.9m) 6s
Best Surf 2AM (Thu 14th May)6ft (1.9m) 6s
Most Powerful 8PM (Wed 13th May)8ft (2.4m) 7s

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

Mostly dry. Very mild (max 11°C on Fri night, min 5°C on Thu morning). Winds increasing (light winds from the SW on Thu night, fresh winds from the SSW by Sat night).

Days 4-6 Weather Summary

Light rain (total 2mm), mostly falling on Mon morning. Very mild (max 11°C on Tue night, min 7°C on Mon morning). Winds decreasing (fresh winds from the WSW on Sun night, calm by Mon night).

Thursday
7
Friday
8
Saturday
9
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
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
2
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.3
SSW
3
0.2
SSW
3
0.1
W
8
0.7
SSW
4
1
SW
5
0.6
SSW
4
0.4
SW
4
1.6
SW
6
1.7
SW
6
1.5
SW
6
0.6
SW
6
0.7
N
4
0.5
SW
3
2
WSW
7
1.6
SW
7
2
SW
6
1.9
SW
6
Wave Graph
Metric surfscale
Energy kJ
0
0
0
0
0
0
1
0
41
0
0
194
217
0
24
14
4
428
240
307
296
Wind (km/h)
15
N
10
WNW
10
SSE
15
SE
15
SSW
15
S
25
SSW
25
SSW
30
SW
10
NNW
20
SW
40
WSW
30
SSW
30
S
25
N
25
N
25
WSW
15
WNW
15
N
20
SW
10
S
cross-on
cross-on
off
off
cross-off
cross-off
cross-off
cross-off
cross
on
cross
cross
cross-off
cross-off
cross-on
cross-on
cross
cross-on
cross-on
cross
cross-off
High Tide
11:00AM0.27m
11:14PM0.26m
11:49AM0.26m
00:02AM0.26m
12:34PM0.25m
00:45AM0.26m
1:14PM0.24m
1:24AM0.26m
1:51PM0.23m
2:02AM0.26m
2:25PM0.22m
2:38AM0.27m
2:58PM0.23m
3:16AM0.28m
Low Tide
3:59PM0.15m
4:26AM0.11m
4:57PM0.13m
5:31AM0.10m
5:40PM0.11m
6:19AM0.08m
6:17PM0.09m
6:58AM0.06m
6:54PM0.06m
7:35AM0.04m
7:33PM0.03m
8:14AM0.02m
8:16PM0.01m
part cloud
clear
clear
part cloud
clear
part cloud
cloud
cloud
part cloud
clear
clear
part cloud
light rain
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:05
5:03
5:01
4:58
4:56
4:54
4:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:20
9:22
9:24
9:27
9:30
9:31
9:34
2
2
Temp °C
7
9
9
9
10
11
10
9
10
8
8
10
7
8
8
9
10
11
10
10
10
2
4
5
4
5
7
4
2
3
5
2
2
0
3
6
4
4
6
5
4
5
Swell 1
Height (m)
Direction
Period (s)
0.1
W
8
0.6
SSW
4
0.6
SW
6
0.3
SW
5
1.6
SW
7
1.1
SW
7
Energy kJ
1
13
24
4
253
123
Swell 2
Height (m)
Direction
Period (s)
Energy kJ
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
0.3
SSW
3
0.2
SSW
3
0.5
S
3
0.7
SSW
4
1
SW
5
0.4
SW
4
1.6
SW
6
1.7
SW
6
1.5
SW
6
0.7
N
4
0.5
SW
3
2
WSW
7
1.6
SW
7
2
SW
6
1.9
SW
6
Energy kJ
2
1
5
13
41
4
194
217
143
14
4
428
240
307
296
Nearest Offshore or Glassy
Rating
(10 max)
1
2
1
1
3
2
1
1
2
4
3
1
1
1
1
1
1
2
2
2
2
Distance (km)
648
831
479
479
482
498
809
938
938
479
479
399
896
860
215
498
312
479
312
312
0
Best forecast wave conditions in Kattegat and Skagerrack
Rating
(10 max)
1
2
Best forecast wave conditions in Sweden
Rating
(10 max)
1
1
2
Header Global
Rating
(10 max)
5
5
7
6
6
6
5
5
5
5
4
6
9
5
5
4
5
9
5
5
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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