High 82° · Low 77°
Up to 10% chance of rainMostly sunny, with a high near 82. East northeast wind around 24 mph, with gusts as high as 35 mph.
Beach
Hanauma Bay weather
Honolulu, HI
Hourly and 7-day forecasts on the beach at Hanauma Bay in Honolulu, HI, with monthly averages and active weather alerts.
National Weather Service
Active weather alerts
- Small Craft AdvisorySeverity: Minor
Small Craft Advisory issued October 19 at 3:09AM HST until October 20 at 6:00AM HST by NWS Honolulu HI
Official NWS alert details
Open year-round
Open year-round Wednesday through Sunday with advance reservations; regularly closed Mondays and Tuesdays.
From Honolulu DPR Hanauma Bay notice (Jul 2026), checked . Dates change each year.
Current conditions
Current weather at Hanauma Bay
Few clouds
Observed at 2:13 PM local time
80°Feels like 84°
- Humidity
- 72%
- Wind
- 1 mph, gusts 10 mph
- Sunrise
- 6:27 AM
- Sunset
- 6:04 PM
At a glance
Today and Tomorrow at Hanauma Bay
High 82° · Low 76°
Up to 2% chance of rainSunny, with a high near 82. East northeast wind around 24 mph, with gusts as high as 35 mph.
Hour by hour
Hanauma Bay hourly forecast for the next 24 hours
- 77°Partly Cloudy10% rain
- 77°Mostly Sunny10% rain
- 77°Mostly Sunny10% rain
- 78°Mostly Sunny10% rain
- 79°Mostly Sunny10% rain
- 80°Mostly Sunny10% rain
- 81°Mostly Sunny10% rain
- 82°Sunny2% rain
- 82°Sunny2% rain
- 82°Sunny2% rain
- 82°Sunny2% rain
- 81°Sunny2% rain
- 80°Sunny2% rain
- 79°Partly Cloudy2% rain
- 78°Partly Cloudy2% rain
- 78°Partly Cloudy2% rain
- 78°Partly Cloudy2% rain
- 78°Partly Cloudy2% rain
- 78°Partly Cloudy2% rain
- 77°Mostly Clear2% rain
- 77°Mostly Clear2% rain
- 77°Mostly Clear2% rain
- 76°Mostly Clear2% rain
- 76°Mostly Clear2% rain
Day by day
Hanauma Bay 7-day forecast
- Mostly SunnyUp to 10% rain82° / 77°
- SunnyUp to 2% rain82° / 76°
- SunnyUp to 2% rain82° / 76°
- SunnyUp to 2% rain82° / 76°
- Mostly CloudyUp to 15% rain83° / 76°
- Isolated Rain ShowersUp to 16% rain82° / 77°
- Isolated Rain ShowersUp to 16% rainHigh 82°
Forecast from the National Weather Service, updated 4:02 AM local time. Hourly values are for the forecast grid cell containing this location. Current conditions from OpenWeather.
Averages, not a forecast
Hanauma Bay weather by month
In an average October, highs are near 84° and lows near 73°, with measurable precipitation on about 14 days.
August is usually the warmest month (average high 85°), and January the coldest (average low 65°). December has the most days with precipitation, and June the fewest.
| Month | Avg high | Avg low | Precip. days | Precip. |
|---|---|---|---|---|
| January | 78° | 65° | 16 | 4.8 in |
| February | 78° | 65° | 13 | 4.5 in |
| March | 79° | 67° | 15 | 5.4 in |
| April | 80° | 69° | 13 | 3.3 in |
| May | 81° | 70° | 12 | 2.4 in |
| June | 83° | 73° | 11 | 1.3 in |
| July | 84° | 74° | 15 | 1.9 in |
| August | 85° | 74° | 13 | 2.0 in |
| September | 85° | 74° | 13 | 2.6 in |
| October | 84° | 73° | 14 | 3.5 in |
| November | 82° | 71° | 16 | 5.4 in |
| December | 79° | 68° | 19 | 5.5 in |
NOAA 1991–2020 U.S. Climate Normals from the WAIMANALO EXP F 795.1, HI US station, 5 miles away. Precipitation days count days with at least 0.01 inch.
Confirm before you go
Hanauma Bay location and park links
Check current hours, access, fees, closures, and local guidance with the destination itself.
- Type
- Beach
- City
- Honolulu, HI
- Visitor information
- Visit Hanauma Bay website