ATIS Alerts

Mattituck Airport (21N) Area Aviation Weather & Runway Winds

Aviation weather near Mattituck Airport in Mattituck, NY, decoded from the nearest reporting station (KFOK): conditions, runway crosswinds, and free Telegram airport alerts.

Mattituck Airport (21N) is a general aviation airport serving pilots in and around Mattituck, NY at 30 ft. 21N has no weather station of its own. Conditions here are decoded from KFOK, about 10 nm away, the nearest reporting station, and local conditions can differ. Its 2 runways (01, 19), longest 2,200 ft, are checked against the current wind in the crosswind table below. The nearest TAF is issued for KISP. Track it in the ATIS Alerts Telegram bot to get alerts read from KFOK, the station this page is based on.

VFR
Observed 0653Z (2:53 AM EDT)live · refreshes every 60s

No weather station at this airport: showing the nearest station KFOK, 10 nm away.

Wind
120° 3 kt
Visibility
10+ sm
Ceiling
Unlimited
Altimeter
30.04"
Temp / Dew
69°F / 21°C
dew 67°F / 19°C

Wind from the east-southeast (120°) at 3 kt, visibility 10+ statute miles, scattered clouds at 1,900 ft, temperature 21°C (69°F), altimeter 30.04 inHg. Conditions are Visual Flight Rules (VFR).

Raw METAR
METAR KFOK 130653Z AUTO 12003KT 10SM SCT019 21/19 A3004 RMK AO2 SLP171 T02060194

Current pilot readout for 21N

Based on the nearest station (KFOK), 21N is currently VFR with winds from 120° at 3 knots, visibility 10+ statute miles, and no ceiling reported. The strongest crosswind component is currently on runway 01, about 3 knots. Density altitude is approximately 550 ft (field elevation 30 ft). 21N does not publish a TAF. The nearest TAF station is KISP, about 29 nm away.

⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.

New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →

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Runway wind check

Estimated head/tailwind and crosswind for each runway end from the current reported wind.

Use this section to quickly compare current wind alignment across available runways at 21N. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.

RunwayHead / TailCrosswind
01FAV1 kt tail3 kt right
191 kt tail3 kt right

Open the crosswind calculator to try your own wind and runway numbers →

24-hour trend

Wind, ceiling and flight category over the last 24 hours.

Wind (kt)Gusts (kt)Bottom strip, flight category:VFRMVFRIFRLIFRNo report
061209Z18Z06Z

Over the last 21 h: wind 03 kt, ceiling unlimitedunlimited.

21N weather radar

Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.

Live weather radar around Mattituck Airport in Mattituck, NY: the NOAA/NWS NEXRAD composite updates about every five minutes, with NOAA lightning strike density overlaid. The loop plays the past 50 minutes, then continues into a future-radar forecast (+1 to +4 hours, NOAA HRRR model) so you can see where precipitation around 21N is headed.

Loading…
Loading radar…

Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap

Forecast frames (amber label) are HRRR model guidance, not observed radar. Lightning strike density appears as a blue-white glow when strikes are detected in view. Radar and lightning coverage are limited in parts of Alaska, Hawaii, and offshore areas. Not for navigation.

Pilot reports (PIREPs) within 100 NM of 21N

Reported by pilots in flight over the past 6 hours, via aviationweather.gov.

PIREP0200Z (10:00 PM EDT) · 62 NM NW of 21N · during climb · E75L
light chop turbulence
Show raw report
BDL UA /OV BDL270030/TM 0200/FL265/TP E75L/TB LGT CHOP/RM DURC 200-255 SMOOTH ABV
BDL UAHeader: reporting station and UA: a routine pilot report.
OV BDL270030Location: fix or navaid, optionally with a radial and distance in NM.
TM 0200Reported at 02:00 UTC.
FL265Altitude: 26,500 ft MSL.
TP E75LAircraft type reporting.
TB LGT CHOPTurbulence: light chop.
RM DURC 200-255 SMOOTH ABVRemarks.
PIREP0118Z (9:18 PM EDT) · 64 NM NW of 21N · during descent · C25A
Show raw report
POU UA /OV PWL210010/TM 0118/FL070/TP C25A/TB NEG/IC NEG/RM DURD 170-080
POU UAHeader: reporting station and UA: a routine pilot report.
OV PWL210010Location: fix or navaid, optionally with a radial and distance in NM.
TM 0118Reported at 01:18 UTC.
FL070Altitude: 7,000 ft MSL.
TP C25AAircraft type reporting.
TB NEGTurbulence: none reported.
IC NEGIcing: none reported.
RM DURD 170-080Remarks.

⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.

Recent aviation weather trends at 21N

From ATIS Alerts' hourly weather history.

Over the past 24 hours, the nearest station KFOK reported mostly VFR across 19 observations, with 0 flight-category changes. Wind most often came from the SE.

Last 24 hours
VFR 100%
Wind avg/max: 4/9 kt
Max gust: -
Lowest ceiling: -
Lowest vis: -
Prevailing wind: SE
Category changes: 0
Last 7 days
VFR 95%MVFR 3%IFR 1%LIFR 1%
Wind avg/max: 4/13 kt
Max gust: 24 kt
Lowest ceiling: 100 ft
Lowest vis: 0.25 sm
Prevailing wind: SW
Category changes: 10

Most recent change: IFRVFR

Active Runway - past 30 days
01/19
100%

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Airport facts

Reference data from the OurAirports dataset.

Type
General aviation airport
FAA LID
21N
City
Mattituck
State
New York
Country
United States
Elevation
30 ft
Coordinates
40.9876, -72.5190
Runways
2
Longest runway
2,200 ft
Weather reporting
Nearest station KFOK
TAF
Nearest KISP
Time zone
America/New_York
Next sunset
15h 49m

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Nearby airports

Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.

RC flying fields nearby

AMA model-aircraft club fields around this airport: live wind, crosswind & flyability on each page.

All RC flying fields →

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21N weather: frequently asked

What runways are available at 21N?+

21N has 2 runways: 01, 19; the longest is 2,200 ft. This page computes the live crosswind for each runway end from the current wind.

Where does the weather shown for 21N come from?+

Mattituck Airport does not have its own weather station. Conditions shown here come from the nearest reporting station, KFOK, about 10 nm away, close enough for situational awareness, but local conditions at 21N can differ.

Does 21N have a TAF?+

No. 21N does not publish its own TAF. The nearest TAF station is KISP, about 29 nm away.

Does 21N broadcast D-ATIS?+

No. 21N does not broadcast D-ATIS. Alerts for 21N from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.

Pilot PIREPs for Mattituck Airport (21N)

Community-submitted

Community-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.

Read recent community-submitted pilot notes for Mattituck Airport, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.

⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.

No Pilot PIREPs have been submitted for 21N yet. Recently flew here? Help the next pilot by leaving a quick airport note.

Pilot PIREPs are community pilot notes for situational awareness only, not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.

From the ATIS Alerts team

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