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.

Today's Conditions

Skip the beach today.

8.2ft waves · NWS alert active · 79°F water

Full NWS forecast for Sunday

Scattered rain showers before noon. Mostly sunny, with a high near 81. East northeast wind around 23 mph, with gusts as high as 32 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Tonight

Isolated rain showers. Mostly cloudy, with a low around 77. East northeast wind around 21 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

Weather

81°F air — ideal beach weather
26% rain — pop-up showers possible
23 mph wind — breezy — anchor everything
Sunny skies — mostly sunny

Water

79°F water — warm — full-day swim weather

Safety

UV 12 (extreme) — spf 50+ mandatory, limit mid-day exposure
8.2ft waves — big surf — strong currents, expert swimmers only
NWS alert active — small craft advisory issued july 12 at 3:10am hst until july 13 at 6:00pm hst by nws honolulu hi

28 /100

skip

0 Swim

46 Sunbathe

66 Walk

70 Photo

Best for photography today

Small Craft Small Craft Advisory

Small Craft Advisory issued July 12 at 3:10AM HST until July 13 at 6:00PM HST by NWS Honolulu HI

NWS · In effect through Jul 14, 4:00 AM

Full NWS statement

* WHAT...East winds, except in Maalaea Bay where winds will be north, 20 to 25 kt with higher gusts. * WHERE...All Hawaiian waters. * WHEN...Until 6 PM HST Monday. * IMPACTS...Conditions will be hazardous to small craft.

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Atmosphere

Air Temp

81°F

Cloudy

Wind

23 mph

ENE

Rain

26%

Sunday

UV Peak

12 Extreme

High 10 AM–03 PM · burn in ~17m

Burn-free before 08 AM & after 05 PM

Tomorrow

80°F

Scattered Rain Showers then Mostly Sunny

Water

Water Temp

79°F

Swimming weather

Next Low Tide

10:38 PM

0.2 ft · in 7.4h

Wave Height

8.2 ft

8s · NE 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 Jul 12, 1:25 PM

Sun & Moon

Sunrise

11:56 AM

Sunset

1:16 AM

Moon · 5%

Waning Crescent

Spring tides — bigger range

Tides

Time	Type	Height
1:56 AM	High	0.6 ft
7:22 AM	Low	-0.3 ft
3:09 PM	High	2.7 ft
10:38 PM	Low	0.2 ft

Time	Type	Height
2:55 AM	High	0.6 ft
8:15 AM	Low	-0.3 ft
3:54 PM	High	2.7 ft
11:17 PM	Low	0.1 ft

Time	Type	Height
3:50 AM	High	0.7 ft
9:07 AM	Low	-0.2 ft
4:38 PM	High	2.7 ft
11:53 PM	Low	0.1 ft

Time	Type	Height
4:44 AM	High	0.8 ft
9:59 AM	Low	-0.1 ft
5:19 PM	High	2.5 ft

Time	Type	Height
12:29 AM	Low	0.1 ft
5:40 AM	High	0.9 ft
10:50 AM	Low	0.0 ft
5:58 PM	High	2.3 ft

Time	Type	Height
1:03 AM	Low	0.1 ft
6:38 AM	High	1.0 ft
11:44 AM	Low	0.3 ft
6:36 PM	High	2.1 ft

Time	Type	Height
1:37 AM	Low	0.1 ft
7:41 AM	High	1.2 ft
12:44 PM	Low	0.5 ft
7:11 PM	High	1.8 ft

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

7-Day Beach Day Forecast

Today Jul 12

81°

Scattered Rain Showers then Mostly Sunny

26%

Mon Jul 13

80°

Scattered Rain Showers then Mostly Sunny

26%

Tue Jul 14

80°

Scattered Rain Showers then Mostly Sunny

26%

Wed Jul 15

81°

Scattered Rain Showers then Mostly Sunny

26%

Thu Jul 16

81°

Scattered Rain Showers then Mostly Sunny

26%

Fri Jul 17

82°

Scattered Rain Showers then Mostly Sunny

26%

Sat Jul 18

81°

Scattered Rain Showers then Mostly Sunny

26%

What to Bring Today

critical SPF 50 sunscreen UV index 12 — very high
recommended Beach shelter or anchored canopy 23 mph wind — umbrellas will flip
optional Swimsuit - water is swimmable Water is 79°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.