Onjuku surf forecast from 6 Oct 2026:
- Best quality surf: Wednesday 7 Oct, 3AM (local time) - 16ft (5.0m), 16s period, SE swell with offshore winds.
- Most powerful swell: Wednesday 7 Oct, 3AM (local time) - 16ft (5.0m), 16s period, SE swell with 12,763 kJ wave energy.
- Next surfable swell (1★+): Wednesday 7 Oct, 3AM (local time) - 16ft (5.0m), 16s period with SE swell.
Best Forecast Surf Conditions for Onjuku this week:
The surf forecast for Onjuku over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Oct 07) at 3AM. The primary swell is predicted to be 5.0m and 16s period with a secondary swell of 1.9m and 9s. Another secondary swell of 3.0m and 9s is also forecast. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Onjuku in the next 16 days are 5.0m 16s and forecast to arrive on Wednesday (Oct 07) at 3AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 9s period and expected on Thursday (Oct 08) at 6AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Wed 7th Oct) | 16ft (5.0m) 16s |
| Best Surf | 3AM (Wed 7th Oct) | 16ft (5.0m) 16s |
| Most Powerful | 3AM (Wed 7th Oct) | 16ft (5.0m) 16s |
Table - best surf conditions forecast for Onjuku 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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