Kahalu'u surf forecast from 15 Jul 2026:
- Best quality surf: Tuesday 14 Jul, 11PM (local time) - 2.5ft (0.7m), 17s period, W swell with glassy winds.
- Most powerful swell: Monday 20 Jul, 8AM (local time) - 3ft (0.9m), 16s period, S swell with 412 kJ wave energy.
- Next surfable swell (1★+): Tuesday 14 Jul, 11PM (local time) - 2.5ft (0.7m), 17s period with W 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 Tuesday (Jul 14) at 11PM. The primary swell is predicted to be 0.7m and 17s period with a secondary swell of 0.6m and 13s. Another secondary swell of 0.2m and 10s 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 0.9m 16s and forecast to arrive on Monday (Jul 20) at 8AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 17s period and expected on Monday (Jul 20) at 2AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Tue 14th Jul) | 2.5ft (0.7m) 17s |
| Best Surf | 11PM (Tue 14th Jul) | 2.5ft (0.7m) 17s |
| Most Powerful | 8AM (Mon 20th Jul) | 3ft (0.9m) 16s |
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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