Yona Bay surf forecast from 21 Aug 2026:
- Best quality surf: Monday 24 Aug, 9PM (local time) - 10ft (3.0m), 18s period, E swell with cross-offshore winds.
- Most powerful swell: Tuesday 25 Aug, 3PM (local time) - 18ft (5.5m), 16s period, ENE swell with 14,896 kJ wave energy.
- Next surfable swell (1★+): Monday 24 Aug, 9PM (local time) - 10ft (3.0m), 18s period with E swell.
Best Forecast Surf Conditions for Yona Bay this week:
The surf forecast for Yona Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 24) at 9PM. The primary swell is predicted to be 3.0m and 18s period with a secondary swell of 1.2m and 7s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Yona Bay in the next 16 days are 5.5m 16s and forecast to arrive on Tuesday (Aug 25) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.4m 8s period and expected on Wednesday (Aug 26) at 9AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Mon 24th Aug) | 10ft (3.0m) 18s |
| Best Surf | 9PM (Mon 24th Aug) | 10ft (3.0m) 18s |
| Most Powerful | 3PM (Tue 25th Aug) | 18ft (5.5m) 16s |
Table - best surf conditions forecast for Yona Bay 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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