Surf Forecasts:
How big are the waves at Valnäs - Nord Koster today (19 Aug):
The current surf forecast for Valnäs - Nord Koster at 5AM is: 0.3m 4s primary swell from a Southwest direction (forecast issued at 01:00am August 19). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
Short Range ForecastLight rain (total 7mm), mostly falling on Fri night. Very mild (max 17°C on Fri afternoon, min 15°C on Wed morning). Winds increasing (calm on Wed night, fresh winds from the SSW by Thu night). | ||||||||||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 3 | SW 4 | SW 4 | SW 4 | SW 4 | SSW 4 | — | — | SW 7 | SW 7 | SW 6 | SW 6 | SW 6 | SSW 6 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SSW 5 | SSW 6 | SSW 5 | SSW 5 | SSW 5 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2 | 2 | 0 | 3 | 3 | 0 | 0 | 0 | 2 | 2 | 6 | 6 | 6 | 0 | 0 | 0 | 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-off | cross-off | cross-off | off | cross | cross | glassy | glassy | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 11:12PM0.27m | 11:38AM0.22m | 00:14AM0.28m | 12:35PM0.24m | 1:09AM0.30m | 1:24PM0.26m | ||||||||||||||||||
Low Tide | 5:03AM0.09m | 4:56PM0.08m | 6:51AM0.10m | 6:21PM0.09m | 7:50AM0.10m | 7:22PM0.09m | ||||||||||||||||||
 |  |  | | |  | |  | | |  |  | | | | | | | | | | | |  | |
 | — | 5:41 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:54 | — | — | — | — | — | — | — | 8:52 | — | — | — | — | — | — | — | 8:49 | — |
mm | — | — | — | — | — | — | — | 1 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 |
Temp °C | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 16 | 16 | 17 | 17 | 17 |
Feels °C | 11 | 12 | 12 | 13 | 13 | 13 | 14 | 15 | 15 | 14 | 13 | 13 | 12 | 11 | 11 | 10 | 10 | 9 | 8 | 10 | 10 | 13 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 3 | SW 4 | SW 4 | SW 4 | SW 4 | SSW 4 | — | — | — | SW 7 | SW 6 | SW 6 | SW 6 | — | — | — | — | — | — | — | — | — | SSW 5 | SSW 5 |
| kJ | 2 | 2 | 4 | 3 | 3 | 1 | — | — | — | 2 | 6 | 6 | 6 | — | — | — | — | — | — | — | — | — | 28 | 22 |
Swell 2 Height (m) Direction Period (s) | SW 4 | — | — | — | — | — | — | — | SW 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | S 5 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 3 | SW 4 | — | — | — | — | — | — | — | — | — | — | S 5 | SSW 6 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SSW 5 | SSW 6 | SSW 5 | — | — |
| kJ | 3 | 3 | — | — | — | — | — | — | — | — | — | — | 2 | 21 | 33 | 51 | 53 | 38 | 36 | 47 | 63 | 55 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 815 | 810 | 835 | 908 | 824 | 1069 | 904 | 867 | 479 | 479 | 479 | 886 | 1367 | 1249 | 866 | 846 | 846 | 830 | 830 | 866 | 866 | 853 | 853 | 830 |
Best forecast wave conditions in Kattegat and Skagerrack | ||||||||||||||||||||||||
Best forecast wave conditions in Sweden | ||||||||||||||||||||||||
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