Keaau Beach
Hawaii · United States
Rating right now
Keaau Beach is a E-facing sand beach on the United States shoreline, opening onto the Coastal Waters — it catches NE–SE swell, and offshore SW–NW winds tidy the banks through year-round.
Today's surf at Keaau Beach
Updated 18:24 spot time
Keaau Beach surf report for Wednesday 30 Sept: waves 5 ft–5.5 ft overhead, 2.5 ft SW swell at 6.7 s. Wind up to 13 mph SSE. Water 82°F. Best surf window around 6:00 AM — good (3.5/5) with 10 mph SE wind.
Snapshot refreshed hourly — the live hourly forecast below updates in real time.
10-day forecast
Local time · updates hourly
Wave height & period
Wind
| Time | Rating | Waves | Swell | Wind | Air |
|---|---|---|---|---|---|
Water temperature by month
This month: ~26.9°C (80.4°F) on average
Jan
24.6°C
76.3°F · 23.5–25.8°C
Feb
24.4°C
75.9°F · 23.4–25.6°C
Mar
24.3°C
75.7°F · 23–25.5°C
Apr
24.6°C
76.3°F · 23.6–25.3°C
May
25.5°C
77.9°F · 24.6–26.9°C
Jun
25.9°C
78.6°F · 24.7–26.7°C
Jul
26.3°C
79.3°F · 25.2–27.6°C
Aug
26.5°C
79.7°F · 25.1–27.7°C
Sep
27°C
80.6°F · 25.5–28.8°C
Oct
26.9°C
80.4°F · 25.4–27.9°C
Nov
26.3°C
79.3°F · 24.8–27.6°C
Dec
25.3°C
77.5°F · 24–26.6°C
25-year monthly averages from the NOAA OISST satellite record — typical range min–max, not a live reading.
Know before you go
Best swell
NE–SE
Best wind
SW–NW
Break type
Beach break
Best season
Year-round
Safety: Friendly by surf standards, but rip currents and drop-in etiquette still apply. Shifting sandbars create moving rip currents — learn to spot them and use them to get out back. Sharks are part of the ecosystem here — avoid dawn, dusk and murky rivermouth water.
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