H-Reef WaveFinder

Lat Long: 20.94° N 156.37° W

Issued: 7 am 22 Aug 2026 (local time)

Forecast update in hr min

Today's H-Reef sea temperature is

26.5°C

H-Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

H-Reef surf forecast from 22 Aug 2026:

Most powerful swell: Sunday 23 Aug, 5AM (local time) - 6.5ft (2.0m), 9s period, E swell with 651 kJ wave energy.

Best Forecast Surf Conditions for H-Reef this week:

The most powerful waves expected at H-Reef in the next 16 days are 2.0m 9s and forecast to arrive on Sunday (Aug 23) at 5AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 14s period and expected on Monday (Aug 24) at 5AM.

Wave Type	Time (HST) & Date	Wave Height & Period
Next good surf (1 star+)	-	-
Best Surf	-	-
Most Powerful	5AM (Sun 23rd Aug)	6.5ft (2.0m) 9s

Table - best surf conditions forecast for H-Reef 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)