K-40 surf forecast from 8 Jul 2026:
- Best quality surf: Wednesday 8 Jul, 11PM (local time) - 3.5ft (1.1m), 16s period, SW swell with glassy winds.
- Most powerful swell: Wednesday 8 Jul, 5AM (local time) - 3.5ft (1.1m), 17s period, SW swell with 695 kJ wave energy.
- Next surfable swell (1★+): Wednesday 8 Jul, 11PM (local time) - 3.5ft (1.1m), 16s period with SW swell.
Best Forecast Surf Conditions for K-40 this week:
The surf forecast for K-40 over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jul 08) at 11PM. The primary swell is predicted to be 1.1m and 16s period with a secondary swell of 1.1m and 8s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at K-40 in the next 16 days are 1.1m 17s and forecast to arrive on Wednesday (Jul 08) at 5AM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Wed 8th Jul) | 3.5ft (1.1m) 16s |
| Best Surf | 11PM (Wed 8th Jul) | 3.5ft (1.1m) 16s |
| Most Powerful | 5AM (Wed 8th Jul) | 3.5ft (1.1m) 17s |
Table - best surf conditions forecast for K-40 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