Kahului Harbor surf forecast from 7 Oct 2026:
- Best quality surf: Wednesday 7 Oct, 8AM (local time) - 3ft (0.9m), 16s period, NNW swell with cross-offshore winds.
- Most powerful swell: Tuesday 13 Oct, 11AM (local time) - 4.5ft (1.4m), 15s period, NW swell with 784 kJ wave energy.
- Next surfable swell (1★+): Wednesday 7 Oct, 8AM (local time) - 3ft (0.9m), 16s period with NNW swell.
Best Forecast Surf Conditions for Kahului Harbor this week:
The surf forecast for Kahului Harbor over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Oct 07) at 8AM. The primary swell is predicted to be 0.9m and 16s period with a secondary swell of 0.6m and 10s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Kahului Harbor in the next 16 days are 1.4m 15s and forecast to arrive on Tuesday (Oct 13) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 6s period and expected on Friday (Oct 09) at 2PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Wed 7th Oct) | 3ft (0.9m) 16s |
| Best Surf | 8AM (Wed 7th Oct) | 3ft (0.9m) 16s |
| Most Powerful | 11AM (Tue 13th Oct) | 4.5ft (1.4m) 15s |
Table - best surf conditions forecast for Kahului Harbor 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)
