Nanakuli Blackrocks surf forecast from 8 Jul 2026:
- Best quality surf: Monday 13 Jul, 8PM (local time) - 3ft (0.9m), 14s period, SW swell with offshore winds.
- Most powerful swell: Saturday 11 Jul, 11PM (local time) - 3ft (0.9m), 18s period, SW swell with 444 kJ wave energy.
- Next surfable swell (1★+): Thursday 9 Jul, 8PM (local time) - 2ft (0.6m), 12s period with S swell.
Best Forecast Surf Conditions for Nanakuli Blackrocks this week:
The surf forecast for Nanakuli Blackrocks over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jul 09) at 8PM. The primary swell is predicted to be 0.6m and 12s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Nanakuli Blackrocks in the next 16 days are 0.9m 18s and forecast to arrive on Saturday (Jul 11) at 11PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 7s period and expected on Wednesday (Jul 08) at 2PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Thu 9th Jul) | 2ft (0.6m) 12s |
| Best Surf | 8PM (Mon 13th Jul) | 3ft (0.9m) 14s |
| Most Powerful | 11PM (Sat 11th Jul) | 3ft (0.9m) 18s |
Table - best surf conditions forecast for Nanakuli Blackrocks 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)
