HI09 Weather Honolulu Municipal Building Heliport

Honolulu, HawaiiElevation 231 ftHeliport
OFF-FIELD REFERENCE
Nearest report: PHNL · 4 NM W · 49 min old
No ceiling, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · PHNL
WIND
030@9
steady
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
ACTIVE NWS ALERTS

Active weather alerts

Hydrologic OutlookUnknown · Future · Possible
25 1413Z to 26 1615Z
Hawaii in Hawaii, HI; Oahu in Honolulu, HI; Kauai, HI; Maui, HI
ESFHFO A significant pattern change is expected Monday night through at least Thursday as deep tropical moisture is brought north. A combination of surface lows and troughs will bring exceptionally moist air over the eastern end of the state beginning Monday night and extending to all islands Tuesday. Heavy rain and thunderstorms are possible throughout this period. Models have not converged on d…
Hydrologic OutlookUnknown · Future · Possible
25 1357Z to 26 1600Z
Hawaii in Hawaii, HI; Oahu in Honolulu, HI; Kauai, HI; Maui, HI
ESFHFO A significant pattern change is expected Monday night through at least Thursday as deep tropical moisture is brought north. A combination of surface lows and troughs will bring exceptionally moist air over the eastern end of the state beginning Monday night and extending to all islands Tuesday. Heavy rain and thunderstorms are possible throughout this period. Models have not converged on d…

Alerts from the National Weather Service. For situational awareness only; always confirm against an official briefing.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports visibility 10 SM. This observation is older than usual, so treat it with extra caution. Treat this as supplemental, not an aviation observation. Forecast suggests today sunny, high near 84F, low near 72F, 21% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
Tuesday: Occasional Showers And Thunderstorms. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
Today Sunny 84/72 NE 12 kt 16 kt 21%
Monday Mostly Sunny then Scattered Rain Showers 84/73 E 7 kt – 59%
Tuesday Occasional Showers And Thunderstorms 82/72 NE 11 kt – 87% Thunderstorms in the forecast
Wednesday Occasional Showers And Thunderstorms 82/74 NE 10 kt – 90%
Thursday Occasional Showers And Thunderstorms 83/74 NE 6 kt – 83%
Friday Scattered Rain Showers 83/75 ENE 9 kt – 62%
Saturday Scattered Showers And Thunderstorms 83/75 ESE 7 kt – 52%

Source: National Weather Service (office HFO). Forecast issued 2142Z.

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RUNWAYS & WIND
Crosswind calculator
No runway layout is available for HI09. Enter a runway number or heading to estimate wind components.
FIELD CONDITIONS

Field elevation

Field elevation
231 ft MSL

Density and pressure altitude need a current temperature and altimeter from the METAR.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0359Z 5:59 PM
Sunrise
1631Z 6:31 AM
Loggable night
0422Z (6:22 PM local) → 1608Z (6:08 AM local)
end of evening to start of morning civil twilight
Position lights required
0359Z (5:59 PM local) → 1631Z (6:31 AM local)
sunset to sunrise (91.209)
Night passenger currency
0459Z (6:59 PM local) → 1531Z (5:31 AM local)
1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

Honolulu Municipal Building Heliport is in Honolulu, Hawaii. Field elevation 231 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
TypeHeliport
CHARTS & AIRSPACE
ICAO / IATAHI09
RegionHawaii
CountryUnited States
Coordinates21.3042, -157.8548
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

HI09 traffic patterns

2026-06-16 to 2026-10-15, 11 days observed · data 2026-10-23

Low confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
0.5
AVG OPS/DAY
1.5
Activity trend over 4 days: flat, from 2 to 2 operations per dayOperations trend (4 days)

Busiest day: Fri · Busiest month: Jul

FLEET MIX
Helicopter 85%Piston single 15%

Mostly rotorcraft.

TOP AIRCRAFT TYPES
›R44 (Helicopter) · ~2 landings/mo
›AS50 (Helicopter) · ~2 landings/mo
›C172 (Piston single) · ~1 landings/mo
›R22 (Helicopter) · ~1 landings/mo
›EC30 (Helicopter) · ~1 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly rotorcraft.

›R44 (Helicopter)

This is an estimate based on repeated flight patterns, not registration data. Do not rely on it to identify specific aircraft or owners.

Data limitations (4)
›ADS-B coverage is incomplete; counts are an observed lower bound, not official totals.
›Some aircraft do not transmit usable ADS-B and are not counted.
›Aircraft types and based estimates are inferred and may be wrong.
›This is not official ATC, FAA, or airport data.
NEARBY AIRPORTS

Weather reference stations

HI09 has no on-field report. Nearest reporting station: PHNL (4 NM W, VFR).

FREQUENTLY ASKED
Does HI09 have a METAR?
No on-field METAR is issued for HI09. This page uses the nearest reporting station as a reference.
Does HI09 have a TAF?
No TAF is issued directly for HI09. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at HI09?
HI09 sits at 231 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for HI09?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.