WxDecoder

3MA4 Weather North Chatham Heliport

Chatham, MassachusettsElevation 10 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KHYA · 14 NM W · 58 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 · KHYA
WIND
Calm
no steady wind
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
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 2C. Treat this as supplemental, not an aviation observation. Forecast suggests sunday sunny, high near 56F, low near 48F, 0% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Sunday Sunny 56/48 SW 6 kt – 0%
Monday Patchy Fog then Sunny 60/45 SW 9 kt – 0%
Tuesday Sunny 51/43 N 15 kt – 0%
Wednesday Sunny 51/46 E 4 kt – 0%
Thursday Sunny 59/53 SW 12 kt – 1%
Friday Sunny 60/51 W 8 kt – 1%
Saturday Mostly Sunny 58 NE 8 kt – 3%

Source: National Weather Service (office BOX). Forecast issued 0953Z.

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 3MA4. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail

H1
Dimensions
30 x 30 ft
Surface
TURF
FIELD CONDITIONS

Field elevation

Field elevation
10 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2145Z 5:45 PM
Sunrise
1103Z 7:03 AM
Loggable night
2213Z (6:13 PM local) → 1034Z (6:34 AM local)
end of evening to start of morning civil twilight
Position lights required
2145Z (5:45 PM local) → 1103Z (7:03 AM local)
sunset to sunrise (91.209)
Night passenger currency
2245Z (6:45 PM local) → 1003Z (6:03 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

North Chatham Heliport is in Chatham, Massachusetts. Field elevation 10 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
TypeHeliport
CHARTS & AIRSPACE
ICAO / IATA3MA4
RegionMassachusetts
CountryUnited States
Coordinates41.7148, -69.9661
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

3MA4 traffic patterns

2026-10-05 to 2026-10-19, 3 days observed · data 2026-10-23

Low confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
0.7
AVG OPS/DAY
1.7
Activity trend over 3 days: flat, from 1 to 1 operations per dayOperations trend (3 days)

Busiest day: Sun · Busiest month: Oct

FLEET MIX
Piston single 100%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›BE33 (Piston single) · ~1 landings/mo
›P28A (Piston single) · ~1 landings/mo
›BE36 (Piston single) · ~0 landings/mo
›C414 (Twin) · ~0 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

3MA4 has no on-field report. Nearest reporting station: KHYA (14 NM W, VFR).

KHYA Cape Cod Gateway Airport
14 NM W
VFR
KPVC Provincetown Municipal Airport
24 NM NW
VFR
KFMH Cape Cod Coast Guard Air Station
25 NM W
VFR
KACK Nantucket Memorial Airport
28 NM S
VFR
KMVY Martha's Vineyard Airport
35 NM SW
VFR
KPYM Plymouth Municipal Airport
36 NM W
LIFR
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗3MA4 on OurAirports
FREQUENTLY ASKED
Does 3MA4 have a METAR?
No on-field METAR is issued for 3MA4. This page uses the nearest reporting station as a reference.
Does 3MA4 have a TAF?
No TAF is issued directly for 3MA4. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 3MA4?
3MA4 sits at 10 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 3MA4?
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.