Kahana Bay Beach
Hawaii · United States
Rating right now
A year-round beach on the Coastal Waters near Hawaii, Kahana Bay Beach is exposed to SW swell — S–W on the forecast is when it lights up, ideally with a N–E wind.
10-day forecast
Local time · updates hourly
Wave height & period
Wind
| Time | Rating | Waves | Swell | Wind | Air |
|---|---|---|---|---|---|
Water temperature by month
This month: ~26.7°C (80.1°F) on average
Jan
24.3°C
75.7°F · 23.2–25.6°C
Feb
24°C
75.2°F · 23.3–25.2°C
Mar
24°C
75.2°F · 22.9–25.2°C
Apr
24.3°C
75.7°F · 23.1–25°C
May
25.1°C
77.2°F · 24.2–26.1°C
Jun
25.5°C
77.9°F · 24.2–26.3°C
Jul
25.9°C
78.6°F · 24.9–26.9°C
Aug
26.2°C
79.2°F · 25–27.3°C
Sep
26.7°C
80.1°F · 25.3–28.5°C
Oct
26.5°C
79.7°F · 25.3–27.7°C
Nov
26°C
78.8°F · 24.5–27.1°C
Dec
25°C
77°F · 23.6–26.1°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
S–W
Best wind
N–E
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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