Black Sand Beach
Hawaii · United States
Rating right now
Black Sand 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.
10-day forecast
Local time · updates hourly
Wave height & period
Wind
| Time | Rating | Waves | Swell | Wind | Air |
|---|---|---|---|---|---|
Water temperature by month
This month: ~26.6°C (79.9°F) on average
Jan
24.5°C
76.1°F · 23–25.6°C
Feb
24.3°C
75.7°F · 23.2–25.4°C
Mar
24.2°C
75.6°F · 22.5–25.1°C
Apr
24.5°C
76.1°F · 23.3–25.6°C
May
25°C
77°F · 24–26.2°C
Jun
25.3°C
77.5°F · 24–26.7°C
Jul
25.9°C
78.6°F · 25–26.9°C
Aug
26.2°C
79.2°F · 25.3–27.5°C
Sep
26.6°C
79.9°F · 25.3–28.6°C
Oct
26.4°C
79.5°F · 25.3–27.5°C
Nov
26°C
78.8°F · 24.7–27.5°C
Dec
25.2°C
77.4°F · 23.7–26.2°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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