Harbor Entrance at Eureka surf forecast from 23 Aug 2026:
- Best quality surf: Sunday 23 Aug, 11PM (local time) - 6ft (1.9m), 8s period, NNW swell with glassy winds.
- Most powerful swell: Saturday 29 Aug, 11PM (local time) - 7ft (2.1m), 7s period, NNW swell with 432 kJ wave energy.
- Next surfable swell (1★+): Sunday 23 Aug, 8PM (local time) - 6ft (1.8m), 7s period with NW swell.
Best Forecast Surf Conditions for Harbor Entrance at Eureka this week:
The surf forecast for Harbor Entrance at Eureka over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 23) at 8PM. The primary swell is predicted to be 1.8m and 7s period with a secondary swell of 0.4m and 18s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Harbor Entrance at Eureka in the next 16 days are 2.1m 7s and forecast to arrive on Saturday (Aug 29) at 11PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 18s period and expected on Saturday (Aug 29) at 5PM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Sun 23rd Aug) | 6ft (1.8m) 7s |
| Best Surf | 11PM (Sun 23rd Aug) | 6ft (1.9m) 8s |
| Most Powerful | 11PM (Sat 29th Aug) | 7ft (2.1m) 7s |
Table - best surf conditions forecast for Harbor Entrance at Eureka 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