Honolulu County, HI · Hawaiian Islands

Hanauma Bay

A protected volcanic crater bay on Oahu's southeast tip — the most famous snorkeling spot in Hawaii, with over 400 fish species in the calm reef-protected waters. Reservation required (online, 48 hours ahead); closed Mondays and Tuesdays. Strict no-touching reef policy and a mandatory orientation video.

Eats & Drinks 24

Today's Conditions

Great day for photography.

80°F water · 83°F air

Full NWS forecast for Today

Scattered rain showers. Mostly sunny, with a high near 83. East northeast wind 2 to 13 mph. Chance of precipitation is 30%.

Tonight

Scattered rain showers. Mostly cloudy, with a low around 79. East northeast wind 8 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Weather

83°F air — ideal beach weather
26% rain — pop-up showers possible

Water

80°F water — warm — full-day swim weather
5.2ft waves — real surf — fun for confident swimmers, dicey for kids

Safety

UV 12 (extreme) — spf 50+ mandatory, limit mid-day exposure

55 /100

good

47 Swim

58 Sunbathe

70 Walk

73 Photo

Best for photography today

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Atmosphere

Air Temp

83°F

Scattered Rain Showers

Wind

2 to 13 mph

ENE

Rain

26%

Today

UV Peak

12 Extreme

High 10 AM–03 PM · burn in ~17m

Burn-free before 08 AM & after 05 PM

Tomorrow

82°F

Scattered Rain Showers

Water

Water Temp

80°F

Swimming weather

Next Low Tide

9:44 PM

0.1 ft · in 2.4h

Wave Height

5.2 ft

11s · ENE swell

Rip Current Risk · Regional Reference

No zone-specific NWS forecast for this beach (HIZ032)

The HFO office's Surf Zone Forecast doesn't cover this beach's forecast zone directly. Nearby coastal zones it does cover are listed below — regional reference only, not a substitute for the conditions at this specific beach.

HIZ003 Kauai n/a
HIZ006 Oahu n/a
HIZ017 Maui n/a
HIZ052 Big Island Windward and Southeast n/a
HIZ053 Big Island Windward and Southeast n/a
HIZ054 Big Island Windward and Southeast n/a
HIZ023 Big Island Leeward n/a

NWS SRF · HFO · Issued Sep 9, 9:03 AM

Sun & Moon

Sunrise

6:16 AM

Sunset

6:39 PM

Moon · 5%

Waning Crescent

Spring tides — bigger range

Tides

Time	Type	Height
2:48 AM	High	1.3 ft
8:19 AM	Low	0.1 ft
3:05 PM	High	2.3 ft
9:44 PM	Low	0.1 ft

Time	Type	Height
3:30 AM	High	1.5 ft
9:10 AM	Low	0.2 ft
3:40 PM	High	2.1 ft
10:08 PM	Low	0.1 ft

Time	Type	Height
4:12 AM	High	1.7 ft
10:00 AM	Low	0.3 ft
4:12 PM	High	1.9 ft
10:32 PM	Low	0.1 ft

Time	Type	Height
4:52 AM	High	1.8 ft
10:50 AM	Low	0.4 ft
4:42 PM	High	1.7 ft
10:55 PM	Low	0.1 ft

Time	Type	Height
5:33 AM	High	1.9 ft
11:42 AM	Low	0.5 ft
5:11 PM	High	1.4 ft
11:18 PM	Low	0.2 ft

Time	Type	Height
6:16 AM	High	1.9 ft
12:40 PM	Low	0.6 ft
5:36 PM	High	1.2 ft
11:41 PM	Low	0.2 ft

Time	Type	Height
7:03 AM	High	1.9 ft
1:50 PM	Low	0.7 ft
5:58 PM	High	1.0 ft

High/low predictions from NOAA station 1612340, refreshed on every build. Times shown local.

7-Day Beach Day Forecast

Today Sep 9

83°

Scattered Rain Showers

26%

Thu Sep 10

82°

Scattered Rain Showers

32%

Fri Sep 11

82°

Scattered Rain Showers

30%

Sat Sep 12

82°

Isolated Rain Showers

22%

Sun Sep 13

82°

Scattered Rain Showers

39%

Mon Sep 14

82°

Scattered Rain Showers

32%

Tue Sep 15

83°

Scattered Rain Showers

32%

What to Bring Today

critical SPF 50 sunscreen UV index 12 — very high
recommended Sturdy umbrella + sand anchor 2 to 13 mph wind
optional Swimsuit - water is swimmable Water is 80°F

Always remember water bottle, trash bag (leave no trace).

Beach Info

Parking

$3/vehicle.

Dogs

Dogs prohibited.

Entry Fee

$25/non-resident adult; HI residents free. Plus $3 parking.

Address

100 Hanauma Bay Rd, Honolulu, HI 96825

Amenities

lifeguardsrestroomsshowersgear rentalstram down to the bay

Frequently Asked

Is it safe to swim at Hanauma Bay today?

Hanauma Bay shows a live water-quality reading (bacteria levels) and today's swim-safety score at the top of this page, refreshed on every update. Seasonal lifeguards patrol the swim area in summer — follow their flags. Always review the current advisories, surf, and rip-current notes before getting in the water.

Is Hanauma Bay dog-friendly?

Dogs prohibited.

Is there an entry fee at Hanauma Bay?

$25/non-resident adult; HI residents free. Plus $3 parking.

Are there lifeguards at Hanauma Bay?

Yes. Seasonal lifeguards patrol Hanauma Bay during the summer swim season (typically Memorial Day through Labor Day). Outside that window, swim at your own risk.

What amenities are at Hanauma Bay?

Amenities at Hanauma Bay include lifeguards, restrooms, showers, gear rentals, tram down to the bay.

When is the water warmest at Hanauma Bay?

Hawaiian water is consistently 75-82°F year-round, with the summer peak in August-September. Swimming comfortable every month; rip currents and shore-break hazards drive the safety picture more than temperature.

Where is Hanauma Bay located?

Hanauma Bay is in Honolulu County, HI, at 100 Hanauma Bay Rd, Honolulu, HI 96825.