Kahalu'u surf forecast from 29 Aug 2026:
- Best quality surf: Tuesday 1 Sep, 5PM (local time) - 3ft (0.9m), 18s period, S swell with glassy winds.
- Most powerful swell: Tuesday 1 Sep, 11PM (local time) - 3.5ft (1.0m), 17s period, S swell with 562 kJ wave energy.
- Next surfable swell (1★+): Saturday 29 Aug, 5PM (local time) - 2ft (0.6m), 12s period with S swell.
Best Forecast Surf Conditions for Kahalu'u this week:
The surf forecast for Kahalu'u over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 29) at 5PM. The primary swell is predicted to be 0.6m and 12s period with a secondary swell of 0.4m and 13s. Another secondary swell of 0.3m and 2s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Kahalu'u in the next 16 days are 1.0m 17s and forecast to arrive on Tuesday (Sep 01) at 11PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 3s period and expected on Saturday (Aug 29) at 11PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5PM (Sat 29th Aug) | 2ft (0.6m) 12s |
| Best Surf | 5PM (Tue 1st Sep) | 3ft (0.9m) 18s |
| Most Powerful | 11PM (Tue 1st Sep) | 3.5ft (1.0m) 17s |
Table - best surf conditions forecast for Kahalu'u 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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