SnorkelForecast.com

Hanauma Bay Snorkel Report Today

USA · Updated Tue 20:30 (HST) · Source: Snapshot

The skinny

Marginal Report Tue 13:23

Hanauma Bay looks marginal today. The least-bad daylight window is around Fri 09:00, but waves is limiting the forecast.

Score: 3.5/10

Best time: Fri 09:00

Main risk: Waves

No useful morning window is showing yet.

No useful afternoon window is showing yet.

Email me when it is good Compare nearby spots Tours & water activities

Best nearby spots

Electric Beach 5.1/10 Fair · Wed 18:00 Kahe Point 5.1/10 Fair · Wed 18:00 Sharks Cove 4.7/10 Fair · Wed 17:00

Plan your visit

These notes help with planning. Rules and closures can change.

Open map

AccessHanauma Bay has a shallow inner reef, lifeguards, restrooms, showers, lockers, rentals, and a managed visitor entrance.

ParkingThe official visitor notes say parking is limited on the ridge above the bay. Public bus service runs daily.

ReservationsEntry times, fees, and reservations can change. Check the City and County of Honolulu visitor page before booking.

ClosuresThe preserve may close for weather, maintenance, or conservation work. Check the city notice before leaving.

Marine lifeThe bay is a Marine Life Conservation District. Do not feed, touch, collect, or injure marine life.

Hawaiʻi DAR Hanauma Bay visitor and rule notes

Sunrise

06:14

Sunset

18:46

Water

26.7°C

Max air

28.2°C

Sky

Partly cloudy

56% cloud

No good model window in the next 72 hours

Use the best-available section for the least-bad times.

3-day planner Best available Show data

3-day planner

Tuesday

❌ Poor conditions

Main blocker: Waves

Wednesday

⚠️ Fair conditions

Main blocker: Waves

Thursday

❌ Poor conditions

Main blocker: Waves

Best available hours

  • Fri 19:00: Fair (0.36) · still limited by waves, wind
  • Wed 22:00: Fair (0.35) · still limited by waves, wind
  • Wed 23:00: Poor (0.35) · still limited by waves, wind

Why this verdict

Main blockers across the next 72 hours:

  • Waves (68 hours)
  • Tide/current (68 hours)
  • Wind (64 hours)

Jellyfish drift risk

Drift estimate from wind, swell, current and warm water.

Low · 34/100

Low drift risk now.

warm water supports seasonal jellyfish activity; surface drift/current is noticeable; local shoreline exposure is not mapped yet.

Sightings override the model: if you see small purple jellyfish with long trailing tentacles, treat them as sting-capable and give them space.

Upcoming high tides

Next early morning high tide: Wed 17:00

Wed 03:00, Wed 17:00

Bookable snorkel tours near Hanauma Bay

Prices and availability from Viator. Check conditions before you book.

We may earn a commission at no extra cost to you.

Hanauma Bay

Hanauma Bay Snorkeling from Waikiki

4.4/5 1367 reviews 5h
From USD 55.99 Check availability

Free cancellation available

Hanauma Bay Guided Snorkeling Tour with Transportation

Hanauma Bay Guided Snorkeling Tour with Transportation

4.9/5 220 reviews 4h
From USD 115.00 Check availability
Hanauma Bay Priority Access with Transportation

Hanauma Bay Priority Access with Transportation

4.4/5 75 reviews 3h
From USD 75.15 Check availability

Free cancellation available

Hanauma Bay Guided Snorkel Tour, we know where the turtles like to hang out!

Hanauma Bay Guided Snorkel Tour (with guaranteed entrance time)

4.8/5 67 reviews 1h
From USD 103.66 Check availability
Hanauma Bay Snorkel Lesson

Hanauma Bay Snorkel Lesson

4.5/5 6 reviews 1h
From USD 99.95 Check availability

Free cancellation available

Parasailing Experience in Waikiki, HI

Parasailing Experience in Waikiki, HI

4.9/5 8827 reviews 1h
From USD 44.00 Check availability

Free cancellation available

Nearby snorkel spot map

Compare nearby spots by score, forecast window and exposure before choosing a beach.

Electric Beach Fair · Wed 18:00 5.1/10 Kahe Point Fair · Wed 18:00 5.1/10 Sharks Cove Fair · Wed 17:00 4.7/10 Lanikai Beach Fair · Wed 17:00 4.0/10

Forecast spot map

Use the map to see where the compared spots sit. Open a card for the hourly forecast.

Electric Beach Kahe Point Sharks Cove Lanikai Beach
  1. Electric Beach
  2. Kahe Point
  3. Sharks Cove
  4. Lanikai Beach

This is a location diagram, not a marine chart. Check the shore and local signs in person.

Nearby alternatives in USA

Lanikai Beach

14 km away

❌ Poor

Oahu

37 km away

❌ Poor

Kahe Point

46 km away

❌ Poor

Electric Beach

46 km away

❌ Poor

Advanced forecast data

Viewing current forecast

Tue 23:00 – Fri 23:00 (HST)

Previous day Yesterday

Snorkel Score (next 24h)

Best snorkel score is 0.35 around Wed 12:00; 1 of 24 hours are good, fair, or excellent.

Score trend, higher is better. Excellent ≥ 0.72, good 0.55–0.72, fair 0.35–0.55.

Conditions (24h trends)

Tap a chart to load just that series.

0/24 sampled hours stay at or below 0.36m (range 1.44m to 1.64m).

Wind is at or below 5.4m/s in 4/24 sampled hours (range 4.41 to 7.47m/s).

Tides range from 0.23m to 0.81m; 2 of 24 hours are in or near peak slack windows.

72-hour forecast overview
Poor ❌ Limited
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Fair ⚠️ Fair
Scoring methodology (for technical users)

We score each hour from 0 to 1 using daylight and these weighted components:

  • Wave height (35%): best below 0.36m, then decreases as it rises.
  • Wind speed (25%): best below 5.4m/s, lower is better.
  • Sea surface temperature (15%): best within 20.6°C to 30.4°C.
  • Tide and currents (15%): best around slack/high-tide windows.
  • Daylight (10%): visibility is better in daylight, so night hours score lower.
Detailed hourly data table
Time Wave (m) Wind (m/s) Sea temp (°C) Status
Wed 00:00 1.44 · high 7.31 · high 26.70 · good Poor
Wed 01:00 1.44 · high 7.29 · high 26.70 · good Poor
Wed 02:00 1.44 · high 7.25 · high 26.70 · good Poor
Wed 03:00 1.44 · high 7.23 · high 26.70 · good Poor
Wed 04:00 1.46 · high 7.05 · high 26.70 · good Poor
Wed 05:00 1.48 · high 6.76 · high 26.70 · good Poor
Wed 06:00 1.50 · high 6.78 · high 26.70 · good Poor
Wed 07:00 1.50 · high 6.23 · high 26.70 · good Poor
Wed 08:00 1.50 · high 5.94 · high 26.70 · good Poor
Wed 09:00 1.50 · high 6.11 · high 26.70 · good Poor
Wed 10:00 1.48 · high 6.26 · high 26.70 · good Poor
Wed 11:00 1.48 · high 6.52 · high 26.70 · good Poor
Wed 12:00 1.46 · high 5.32 · good 26.70 · good Poor
Wed 13:00 1.46 · high 4.76 · good 26.70 · good Poor
Wed 14:00 1.46 · high 4.41 · good 26.70 · good Poor
Wed 15:00 1.46 · high 5.12 · good 26.70 · good Poor
Wed 16:00 1.48 · high 5.61 · high 26.70 · good Poor
Wed 17:00 1.48 · high 6.08 · high 26.70 · good Poor
Wed 18:00 1.50 · high 6.36 · high 26.70 · good Poor
Wed 19:00 1.52 · high 6.90 · high 26.70 · good Poor
Wed 20:00 1.56 · high 7.47 · high 26.80 · good Poor
Wed 21:00 1.58 · high 7.01 · high 26.80 · good Poor
Wed 22:00 1.60 · high 7.01 · high 26.80 · good Fair
Wed 23:00 1.64 · high 7.25 · high 26.90 · good Poor
Thu 00:00 1.66 · high 7.04 · high 26.90 · good Poor
Thu 01:00 1.68 · high 6.80 · high 26.90 · good Poor
Thu 02:00 1.68 · high 7.01 · high 26.90 · good Poor
Thu 03:00 1.70 · high 7.43 · high 26.90 · good Poor
Thu 04:00 1.72 · high 7.73 · high 26.90 · good Poor
Thu 05:00 1.76 · high 7.58 · high 26.90 · good Poor
Thu 06:00 1.78 · high 7.56 · high 26.90 · good Poor
Thu 07:00 1.78 · high 7.55 · high 26.90 · good Poor
Thu 08:00 1.80 · high 7.39 · high 26.80 · good Poor
Thu 09:00 1.80 · high 7.02 · high 26.80 · good Poor
Thu 10:00 1.80 · high 7.43 · high 26.80 · good Poor
Thu 11:00 1.78 · high 7.45 · high 26.80 · good Poor
Thu 12:00 1.78 · high 7.44 · high 26.80 · good Poor
Thu 13:00 1.78 · high 7.28 · high 26.80 · good Poor
Thu 14:00 1.78 · high 7.19 · high 26.80 · good Poor
Thu 15:00 1.78 · high 7.29 · high 26.80 · good Poor
Thu 16:00 1.80 · high 7.41 · high 26.80 · good Poor
Thu 17:00 1.82 · high 7.71 · high 26.80 · good Poor
Thu 18:00 1.84 · high 8.06 · high 26.80 · good Poor
Thu 19:00 1.88 · high 8.40 · high 26.80 · good Poor
Thu 20:00 1.90 · high 8.55 · high 26.80 · good Poor
Thu 21:00 1.94 · high 8.66 · high 26.80 · good Poor
Thu 22:00 1.94 · high 8.73 · high 26.80 · good Poor
Thu 23:00 1.94 · high 8.41 · high 26.90 · good Poor
Fri 00:00 1.94 · high 8.10 · high 26.90 · good Poor
Fri 01:00 1.94 · high 7.96 · high 26.90 · good Poor
Fri 02:00 1.96 · high 7.68 · high 26.90 · good Poor
Fri 03:00 1.96 · high 7.89 · high 26.90 · good Poor
Fri 04:00 1.96 · high 7.76 · high 26.80 · good Poor
Fri 05:00 1.98 · high 7.46 · high 26.80 · good Poor
Fri 06:00 1.98 · high 7.47 · high 26.80 · good Poor
Fri 07:00 1.96 · high 7.42 · high 26.80 · good Poor
Fri 08:00 1.94 · high 7.46 · high 26.80 · good Poor
Fri 09:00 1.92 · high 7.17 · high 26.80 · good Poor
Fri 10:00 1.90 · high 6.91 · high 26.80 · good Poor
Fri 11:00 1.90 · high 6.89 · high 26.80 · good Poor
Fri 12:00 1.88 · high 6.74 · high 26.80 · good Poor
Fri 13:00 1.90 · high 7.19 · high 26.80 · good Poor
Fri 14:00 1.90 · high 7.10 · high 26.80 · good Poor
Fri 15:00 1.92 · high 7.38 · high 26.70 · good Poor
Fri 16:00 1.94 · high 7.35 · high 26.70 · good Poor
Fri 17:00 1.94 · high 7.25 · high 26.70 · good Poor
Fri 18:00 1.96 · high 7.56 · high 26.70 · good Poor
Fri 19:00 1.94 · high 7.83 · high 26.70 · good Fair