Rivermouth_Wailuku surf forecast from 8 Oct 2026:
- Best quality surf: Wednesday 7 Oct, 5PM (local time) - 3.5ft (1.1m), 14s period, NW swell with glassy winds.
- Most powerful swell: Tuesday 13 Oct, 11AM (local time) - 4ft (1.2m), 15s period, NW swell with 657 kJ wave energy.
- Next surfable swell (1★+): Wednesday 7 Oct, 5PM (local time) - 3.5ft (1.1m), 14s period with NW swell.
Best Forecast Surf Conditions for Rivermouth_Wailuku this week:
The surf forecast for Rivermouth_Wailuku over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Oct 07) at 5PM. The primary swell is predicted to be 1.1m and 14s period with a secondary swell of 0.5m and 10s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Rivermouth_Wailuku in the next 16 days are 1.2m 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 0.5m 13s period and expected on Friday (Oct 09) at 2PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5PM (Wed 7th Oct) | 3.5ft (1.1m) 14s |
| Best Surf | 5PM (Wed 7th Oct) | 3.5ft (1.1m) 14s |
| Most Powerful | 11AM (Tue 13th Oct) | 4ft (1.2m) 15s |
Table - best surf conditions forecast for Rivermouth_Wailuku 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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