Surf Forecasts:
Valnäs - Nord Koster surf forecast from 22 Jun 2026:
- Most powerful swell: Wednesday 24 Jun, 2AM (local time) - 6ft (1.8m), 7s period, SW swell with 306 kJ wave energy.
Best Forecast Surf Conditions for Valnäs - Nord Koster this week:
The most powerful waves expected at Valnäs - Nord Koster in the next 16 days are 1.8m 7s and forecast to arrive on Wednesday (Jun 24) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Saturday (Jun 27) at 8PM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 2AM (Wed 24th Jun) | 6ft (1.8m) 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 ForecastMostly dry. Warm (max 23°C on Wed afternoon, min 13°C on Tue morning). Mainly fresh winds. | Days 5-7 Weather SummaryMostly dry. Warm (max 25°C on Thu afternoon, min 16°C on Sat morning). Winds increasing (light winds from the ENE on Wed night, fresh winds from the S by Sat morning). | ||||||||||||||||||||
Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sun 28 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SW 6 | SW 5 | SW 7 | SW 3 | SW 5 | W 8 | SW 7 | SW 6 | SW 5 | SW 6 | N 3 | SW 5 | SW 4 | SSW 4 | SSW 4 | S 4 | S 5 | S 5 | SW 6 | SW 5 | SW 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 64 | 0 | 2 | 2 | 4 | 1 | 306 | 98 | 23 | 25 | 1 | 4 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-off | off | cross-off | cross-on | on | cross | off | cross-on | on | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off |
High Tide | 11:59PM0.29m | 12:32PM0.24m | 00:54AM0.29m | 1:25PM0.24m | 1:46AM0.29m | 2:14PM0.24m | 2:35AM0.29m | 2:59PM0.25m | 3:20AM0.30m | 3:40PM0.26m | 4:03AM0.30m | 4:20PM0.27m | 4:45AM0.31m | 5:00PM0.27m | |||||||
Low Tide | 6:00AM0.03m | 6:01PM0.04m | 7:07AM0.03m | 7:00PM0.04m | 8:02AM0.04m | 7:51PM0.04m | 8:46AM0.05m | 8:35PM0.05m | 9:24AM0.06m | 9:15PM0.06m | 9:58AM0.08m | 9:52PM0.07m | 10:31AM0.09m | ||||||||
 | |  |  | | |  | | | | | | | | | | | | | | | |
 | — | 4:03 | — | — | 4:03 | — | — | 4:03 | — | — | 4:03 | — | — | 4:05 | — | — | 4:05 | — | — | 4:05 | — |
 | 10:30 | — | — | 10:31 | — | — | 10:31 | — | — | 10:31 | — | — | 10:31 | — | — | 10:31 | — | — | 10:30 | — | 10:30 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 16 | 18 | 16 | 14 | 16 | 18 | 17 | 23 | 23 | 22 | 25 | 22 | 18 | 19 | 20 | 17 | 18 | 19 | 16 | 17 |
Feels °C | 15 | 12 | 13 | 13 | 12 | 12 | 12 | 17 | 20 | 19 | 19 | 22 | 19 | 15 | 16 | 17 | 13 | 15 | 14 | 12 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 6 | SW 5 | SW 5 | SW 3 | SW 5 | W 8 | — | SW 6 | SW 5 | SW 6 | SW 6 | SW 5 | SW 4 | — | — | — | — | — | — | SW 5 | SSW 5 |
| kJ | 64 | 14 | 6 | 2 | 4 | 1 | — | 98 | 23 | 25 | 15 | 4 | 3 | — | — | — | — | — | — | 23 | 9 |
Swell 2 Height (m) Direction Period (s) | — | — | SW 7 | W 8 | W 8 | — | — | — | — | — | — | SW 7 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 2 | 1 | 1 | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SW 5 | SW 7 | — | — | — | N 3 | NNW 2 | SW 4 | SSW 4 | SSW 4 | S 4 | S 5 | S 5 | SW 6 | — | SW 5 |
| kJ | — | — | — | — | — | 6 | 306 | — | — | — | 1 | 1 | 5 | 5 | 11 | 21 | 34 | 52 | 97 | — | 11 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 810 | 815 | 777 | 482 | 313 | 482 | 1561 | 864 | 844 | 818 | 818 | 818 | 484 | 479 | 482 | 777 | 498 | 498 | 810 | 819 | 494 |
Best forecast wave conditions in Kattegat and Skagerrack | |||||||||||||||||||||
Best forecast wave conditions in Sweden | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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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