Harbor Entrance at Eureka surf forecast from 8 Oct 2026:
- Best quality surf: Thursday 8 Oct, 2AM (local time) - 5.5ft (1.7m), 14s period, WNW swell with glassy winds.
- Most powerful swell: Sunday 11 Oct, 8PM (local time) - 15ft (4.5m), 10s period, NNW swell with 3,922 kJ wave energy.
- Next surfable swell (1★+): Thursday 8 Oct, 2AM (local time) - 5.5ft (1.7m), 14s period with WNW 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 Thursday (Oct 08) at 2AM. The primary swell is predicted to be 1.7m and 14s period with a secondary swell of 1.6m and 8s. 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 4.5m 10s and forecast to arrive on Sunday (Oct 11) at 8PM. 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 17s period and expected on Tuesday (Oct 13) at 11PM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Thu 8th Oct) | 5.5ft (1.7m) 14s |
| Best Surf | 2AM (Thu 8th Oct) | 5.5ft (1.7m) 14s |
| Most Powerful | 8PM (Sun 11th Oct) | 15ft (4.5m) 10s |
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)
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