KONZ METAR Grosse Ile Municipal Airport

Detroit/Grosse Ile, MichiganElevation 591 ftSmall airport

CURRENT STATUS

VFR15 min old

No ceiling, visibility 10 SM.

FLIGHT CATEGORY

VFR

ceiling & visibility

WIND

040@9

steady

VISIBILITY

10 SM

16.1 km

CEILING

None

no BKN/OVC layer

DENSITY ALT

-36 ft

-627 ft vs field

CURRENT METAR

Decoded observation

Observed 0135Z (9:35 PM local) · 15 min old

KONZ is currently VFR. Winds are from the northeast at 9 knots. Visibility is 10 statute miles. There is no ceiling.

WIND

40° at 9 kt

Steady.

VISIBILITY

10 statute miles

16.1 km, good.

CEILING & SKY

CLR

FEW and SCT layers are not ceilings.

TEMP / DEWPOINT

12°C / 9°C

54°F / 48°F. 3°C spread.

ALTIMETER

30.33 inHg

1027.1 hPa, above standard.

WEATHER & HAZARDS

No significant hazards

No precipitation or obscuration reported.

Codes in this report: AUTO CLR RMK AO2

Hover or tap any group for a plain-English explanation.

REMARKS: DECODED

AO2

automated station with a precipitation discriminator (can tell rain from snow)

SUGGESTED RISK · TRAINING USE

Suggested risk level: Low

›No TAF available for this airport.

A suggested risk level for training and situational awareness only, not a go/no-go authority. Verify with official sources and apply your personal minimums.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

Current aviation conditions show flight category VFR, wind from 40° at 9 kt, visibility 10 SM, ceiling none. Forecast suggests tonight mostly cloudy, low near 44F, 3% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

Day	Conditions	Temp F	Wind	Gusts	Precip
Tonight	Mostly Cloudy	44	NE 9 kt	–	3%
Tuesday	Partly Sunny	61/50	E 8 kt	–	4%
Wednesday	Partly Sunny	67/53	SSE 6 kt	–	0%
Thursday	Mostly Sunny	72/55	SW 11 kt	–	15%
Friday	Partly Sunny	65/54	NNE 5 kt	–	15%
Saturday	Slight Chance Light Rain then Mostly Cloudy	65/55	ESE 7 kt	–	19%
Sunday	Chance Light Rain	65/55	SSE 7 kt	–	41%
Monday	Chance Light Rain	64	SSW 8 kt	–	31%

Source: National Weather Service (office DTX). Forecast issued 0149Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND

2 runways · crosswind ranking

ON-FIELD METAR

READING THE BARB · SWIPE FOR MORE →

Calm

5 kt

10 kt

15 kt

20 kt

25 kt

30 kt

35 kt

40 kt

45 kt

50 kt

65 kt

75 kt

100 kt

105 kt

Half feather = 5 kt, full = 10 kt, filled pennant = 50 kt; add them up. The staff points the direction the wind blows from.

WIND USED

040° at 9 kt

Components computed from the current on-field METAR wind.

RECOMMENDED

RWY 049 kt headwind · 2 kt crosswind

RUNWAYS BY WIND · best end

HEAD

9 kt

CROSS

2 kt R

BEST

HEAD

5 kt

CROSS

7 kt R

HEAD

5 kt tail

CROSS

7 kt L

HEAD

9 kt tail

CROSS

2 kt L

Components are estimates from the current METAR wind and runway heading. Verify with the Chart Supplement and NOTAMs.

RUNWAYS

Runway detail & declared distances

4 runways · longest 4,846 ft

17/35

Dimensions

4,424 x 75 ft

Surface

Concrete (poor)

Edge lights

MED

RWY 17167°T

Displaced threshold672 ft

VGSIPAPI (P4L)

Traffic patternLeft

RWY 35347°T

VGSIPAPI (P4L)

Traffic patternRight

Dimensions

25 x 25 ft

Surface

Concrete

RWY H1

Dimensions

25 x 25 ft

Surface

Concrete

RWY H2

04/22

Dimensions

4,846 x 100 ft

Surface

Asphalt (good)

Edge lights

MED

RWY 0430°T

REILYes

VGSIPAPI (P4L)

Traffic patternRight

RWY 22210°T

Displaced threshold428 ft

REILYes

VGSIPAPI (P4L)

Traffic patternLeft

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Performance & density altitude

Density altitude

-36 ft

Pressure altitude

181 ft

Field elevation

591 ft MSL

Temperature

12°C (54°F)

Dewpoint

9°C (48°F)

Altimeter

30.33 inHg

Density altitude estimates how the aircraft performs versus standard atmosphere. Higher density altitude reduces climb performance and increases takeoff distance.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset

2234Z 6:34 PM

Sunrise

1159Z 7:59 AM

Loggable night

2303Z (7:03 PM local) → 1130Z (7:30 AM local)

end of evening to start of morning civil twilight

Position lights required

2234Z (6:34 PM local) → 1159Z (7:59 AM local)

sunset to sunrise (91.209)

Night passenger currency

2334Z (7:34 PM local) → 1059Z (6:59 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

Grosse Ile Municipal Airport is in Detroit/Grosse Ile, Michigan. Field elevation 591 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT

OwnershipPublicly owned

UseOpen to the public

TypeSmall airport

ManagerJANEL MACNEE

Manager phone734-675-0155

AttendedALL SAT-SUN, PRIOR ARNGMT

CHARTS & AIRSPACE

ICAO / IATAKONZ

SectionalDETROIT

Center (ARTCC)CLEVELAND

Flight service (AFSS)LANSING

RegionMichigan

CountryUnited States

Coordinates42.0991, -83.1615

Distance from city2 NM S

SERVICES & LIGHTING

Fuel100LL · Jet A

Control towerNon-towered

Field lightingSee remarks

BeaconSunset to sunrise · White-green (lighted land airport)

CTAF123.000

UNICOM123.000

FREQUENCIES

Communications

134.3

DETROIT APP

APP

119.675

AWOS 3

AWOS

134.3

DETROIT DEP

DEP

115.7

LANSING RDO

RDO

123

CTAF/UNICOM

UNIC

123.000

CTAF

123.000

UNICOM

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRCRAFT ACTIVITY

KONZ traffic patterns

2026-06-12 to 2026-10-25, 64 days observed · data 2026-10-25

High confidence

TRAFFIC VOLUME (30-DAY)

AVG LANDINGS/DAY

10.9

AVG OPS/DAY

17.6

Operations trend (18 days)

Busiest day: Thu · Busiest month: Jul

FLEET MIX

Piston single 76%Unknown 11%Helicopter 7%Twin 3%Jet 1%Turboprop 1%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES

›C172 (Piston single) · ~52 landings/mo

›C182 (Piston single) · ~15 landings/mo

›C150 (Piston single) · ~14 landings/mo

›UNKN (Unknown) · ~7 landings/mo

›P28A (Piston single) · ~7 landings/mo

LIKELY BASED AIRCRAFT

Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly single-engine piston aircraft.

›C172 (Piston single)

›C182 (Piston single)

›R44 (Helicopter)

›C150 (Piston single)

›P28A (Piston single)

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

Current flight category at nearby reporting stations.

KDTW Detroit Metropolitan Wayne County Airport

11 NM NW

VFR

CYQG Windsor International Airport

14 NM NE

VFR

KYIP Willow Run Airport

18 NM NW

VFR

KARB Ann Arbor Municipal Airport

27 NM W

UNKNOWN

KMTC Selfridge Air National Guard Base Airport

34 NM NE

VFR

KTDZ Toledo Executive Airport

35 NM SW

VFR

AIRPORT REMARKS

Operational remarks

›ULTRALIGHT & PWRD PRCHT ACT INVOF ARPT.

›FOR CD CTC DETROIT APCH AT 734-955-1404.

›ARPT CLSD TO ACR OPS GTR THAN 30 PAX SEATS EXC PPR CALL AMGR.

›ACTVT REIL RWY 04 & 22; PAPI RWY 04, 22, 17, & 35; MIRL RWY 04/22 & 17/35 - CTAF.

›APCH RATIO 20:1 TO DTHR.

›EXTSV PEELING & CRACKING - FOD HAZ.

›BIRDS & DEER ON & INVOF ARPT.

OFFICIAL LINKS & SOURCES

↗Search NOTAMs (official FAA NOTAM Search)

↗Wikipedia

↗KONZ on OurAirports

FREQUENTLY ASKED

Does KONZ have a METAR?

Yes. KONZ has a current METAR observation, decoded into plain English on this page.

Does KONZ have a TAF?

When KONZ issues a TAF, its decoded forecast timeline loads live on this page; otherwise use the nearest TAF-issuing field as a planning reference.

What is the field elevation at KONZ?

KONZ sits at 591 ft MSL, which factors into the density-altitude estimate on this page.

Is this an official preflight weather briefing for KONZ?

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.