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Valnäs - Nord Koster Surf Forecast
/ Kattegat and Skagerrack (6 surf breaks) /
Surf Forecasts:
Valnäs - Nord Koster surfForecast / Kattegat and Skagerrack / Sweden
48hr Weather and Surf, issued 7 pm Monday 18 May 2026 CESTForecast 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
10.0° C
(Which is slightly cooler than normal)| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | - | - |
| Afternoon (18 May) | 1ft (0.3m) | 6s |
| Evening (18 May) | 1ft (0.3m) | 5s |
Table - waves today at Valnäs - Nord Koster. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Wed night. Very mild (max 14°C on Mon night, min 10°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 5 | SW 5 | S 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 4 | SW 4 | SW 4 | S 4 | W 9 | SW 8 | SW 8 | SW 8 | SW 7 | SSW 7 | SSW 5 | SW 5 | SSW 5 | |
5 | 5 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 2 | 3 | 10 | 14 | 27 | 0 | 0 | 0 | 0 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | glassy | cross-off | cross-off | cross | cross | cross-off | off | off | off | off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 7:10PM0.28m | 7:56AM0.30m | 8:20PM0.29m | 9:04AM0.30m | 9:28PM0.29m | 10:08AM0.30m | ||||||||||||||||||
Low Tide | 00:37AM0.01m | 1:13PM0.05m | 1:40AM0.03m | 2:16PM0.06m | 2:47AM0.03m | |||||||||||||||||||
 |  |  |  | | | | | |  |  | | | | | | | | |  | | |  | | |
 | — | — | — | 4:37 | — | — | — | — | — | — | — | 4:35 | — | — | — | — | — | — | — | 4:33 | — | — | — | — |
 | — | 9:45 | — | — | — | — | — | — | — | 9:46 | — | — | — | — | — | — | — | 9:49 | — | — | — | — | — | 9:51 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 1 | — | |
Temp °C | 14 | 14 | 14 | 13 | 11 | 10 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 12 | 12 | 11 | 12 | 11 | 11 | 11 | 10 | 10 | 10 |
10 | 10 | 10 | 9 | 9 | 7 | 11 | 8 | 8 | 9 | 8 | 7 | 7 | 7 | 8 | 7 | 8 | 9 | 7 | 8 | 7 | 6 | 5 | 5 | |
Swell 1 Height (m) Direction Period (s) | S 5 | S 5 | S 5 | SSE 4 | S 4 | S 4 | S 4 | SW 5 | SW 5 | SW 5 | SW 5 | S 4 | SW 4 | S 4 | — | W 7 | SW 8 | SW 8 | SW 8 | SW 7 | — | — | — | — |
 kJ | 11 | 7 | 4 | 4 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | 1 | 3 | 10 | 14 | 27 | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | SW 5 | SW 5 | SSW 5 | SW 5 | SW 5 | SW 5 | SW 5 | — | — | — | — | SW 4 | — | SW 4 | — | W 9 | SW 6 | — | — | — | — | — | — | — |
| kJ | 5 | 5 | 3 | 1 | 1 | 1 | 1 | — | — | — | — | 1 | — | 1 | — | 2 | 1 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | SSE 4 | S 4 | S 4 | S 4 | S 4 | S 5 | S 5 | S 5 | SSW 7 | SSW 5 | SW 5 | SSW 5 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 4 | 8 | 12 | 14 | 16 | 27 | 15 | 68 | 37 | 53 | 45 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 312 | 312 | 312 | 479 | 479 | 479 | 313 | 312 | 312 | 484 | 479 | 484 | 498 | 482 | 482 | 482 | 785 | 765 | 254 | 254 | 484 | 479 | 484 | 479 |
Best forecast wave conditions in Kattegat and Skagerrack | ||||||||||||||||||||||||
Best forecast wave conditions in Sweden | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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