Valnäs - Nord Koster surf forecast from 21 Aug 2026:
- Most powerful swell: Sunday 23 Aug, 2AM (local time) - 2.5ft (0.7m), 4s period, NNW swell with 15 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 0.7m 4s and forecast to arrive on Sunday (Aug 23) 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 0.7m 5s period and expected on Friday (Aug 21) at 8PM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 2AM (Sun 23rd Aug) | 2.5ft (0.7m) 4s |
Table - best surf conditions forecast for Valnäs - Nord Koster over the next 16 days.
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Nearest