WxDecoder

4WN6 Weather Bay Area Medical Center Heliport

Marinette, WisconsinElevation 608 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KMNM · 3 NM N · 59 min old
Ceiling 3,300 ft, visibility 10 SM, rain.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KMNM
WIND
Calm
no steady wind
VISIBILITY
10 SM
16.1 km
CEILING
3,300 ft
lowest BKN/OVC
FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports wind calm, visibility 10 SM, temperature 8C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight scattered rain showers, low near 40F, 42% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
Thursday: Showers And Thunderstorms Likely. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
Tonight Scattered Rain Showers 40 N 6 kt – 42%
Monday Mostly Cloudy 51/37 NNE 9 kt – 11%
Tuesday Mostly Cloudy 55/47 ESE 10 kt 16 kt 11%
Wednesday Partly Sunny 65/53 SSW 11 kt – 56%
Thursday Showers And Thunderstorms Likely 61/46 W 8 kt – 56% Thunderstorms in the forecast
Friday Chance Rain Showers 57/50 ENE 7 kt – 46%
Saturday Chance Rain Showers 58/50 SE 9 kt – 47%
Sunday Chance Rain Showers 57 WSW 9 kt – 39%

Source: National Weather Service (office GRB). Forecast issued 0237Z.

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
Crosswind calculator
No runway layout is available for 4WN6. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 50 ft

H1
Dimensions
47 x 47 ft
Surface
Concrete (excellent)
Edge lights
PERI
RWY H1

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

FIELD CONDITIONS

Field elevation

Field elevation
608 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2249Z 5:49 PM
Sunrise
1220Z 7:20 AM
Loggable night
2319Z (6:19 PM local) → 1150Z (6:50 AM local)
end of evening to start of morning civil twilight
Position lights required
2249Z (5:49 PM local) → 1220Z (7:20 AM local)
sunset to sunrise (91.209)
Night passenger currency
2349Z (6:49 PM local) → 1120Z (6:20 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

Bay Area Medical Center Heliport is in Marinette, Wisconsin. Field elevation 608 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeHeliport
ManagerMIKE ORLANDO
Manager phone715-735-4200
AttendedContinuous (24 hours)
CHARTS & AIRSPACE
ICAO / IATA4WN6
SectionalGREEN BAY
Center (ARTCC)MINNEAPOLIS
Flight service (AFSS)GREEN BAY
RegionWisconsin
CountryUnited States
Coordinates45.0728, -87.6182
Distance from city2 NM S
SERVICES & LIGHTING
Control towerNon-towered
BeaconSee remarks · White-green-yellow (heliport)
AIRCRAFT ACTIVITY

4WN6 traffic patterns

2026-10-05 to 2026-10-05, 1 days observed · data 2026-10-23

Low confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1
AVG OPS/DAY
1
Operations trend (1 days)

Busiest day: Mon · Busiest month: Oct

FLEET MIX
Helicopter 100%

Mostly rotorcraft.

TOP AIRCRAFT TYPES
›EC35 (Helicopter) · ~1 landings/mo
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

4WN6 has no on-field report. Nearest reporting station: KMNM (3 NM N, VFR).

KMNM Menominee–Marinette Twin County Airport
3 NM N
VFR
KSUE Door County Cherryland Airport
16 NM SE
VFR
KGRB Austin Straubel International Airport
42 NM SW
VFR
KESC Delta County Airport
45 NM NE
VFR
KIMT Ford Airport
49 NM NW
VFR
KCLI Clintonville Municipal Airport
55 NM SW
MVFR
AIRPORT REMARKS

Operational remarks

›DUSK-DAWN.
›PRVDD APCH/DEP FM 095 OR 185, AREA IS MKD, WIND INDICATOR MAINTAINED, CREATE SECURITY MEASURES.
›MEDICAL USE.
›FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗4WN6 on OurAirports
FREQUENTLY ASKED
Does 4WN6 have a METAR?
No on-field METAR is issued for 4WN6. This page uses the nearest reporting station as a reference.
Does 4WN6 have a TAF?
No TAF is issued directly for 4WN6. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 4WN6?
4WN6 sits at 608 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 4WN6?
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.