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.
No weather station at this airport — showing the nearest station KFOK, 10 nm away.
Wind from the southeast (130°) at 9 kt, gusting 22 kt, visibility 10+ statute miles, a few clouds at 3,000 ft, scattered clouds at 3,900 ft, broken clouds at 9,000 ft, temperature 23°C (73°F), altimeter 29.63 inHg. Conditions are Visual Flight Rules (VFR), ceiling 9,000 ft.
METAR KFOK 290553Z AUTO 13009G22KT 10SM FEW030 SCT039 BKN090 23/21 A2963 RMK AO2 PK WND 12026/0528 SLP033 60000 T02280206 10233 20228 58017 $
What changed at KFOK (nearest station)?
Since the 0453Z (12:53 AM EDT) report — compared automatically against the latest METAR.
- Pressure falling: altimeter 29.66 → 29.63 inHg.
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Current pilot readout for 21N
Based on the nearest station (KFOK), 21N is currently VFR with winds from 130° at 9 knots gusting 22, visibility 10+ statute miles, and a 9,000 ft ceiling. The strongest crosswind component is currently on runway 01, about 7 knots. Density altitude is approximately 1,350 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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Track 21N free on TelegramRunway 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.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 01FAV | 2,200 ft | ASPH-F | 6 kt tail | 7 kt right (g17) |
| 19 | 2,200 ft | ASPH-F | 6 kt tail | 7 kt right (g17) |
Open the crosswind calculator — try your own wind and runway numbers →
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 23 h: wind 5→9 kt, ceiling 500 ft → 9,000 ft.
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.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © OpenStreetMap © CARTO
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.
Show raw report
LGA UA /OV KLGA040004/TM 0602/FL015/TP B38M/WX -RA/TB LGT CHOP/RM ON APPROACH RWY 22
LGA UAHeader — reporting station and UA: a routine pilot report.OV KLGA040004Location — fix or navaid, optionally with a radial and distance in NM.TM 0602Reported at 06:02 UTC.FL015Altitude: 1,500 ft MSL.TP B38MAircraft type reporting.WX -RAWeather and flight visibility observed.TB LGT CHOPTurbulence: light chop.RM ON APPROACH RWY 22Remarks.Show raw report
BDL UA /OV BDL/TM 0556/FL025/TP B763/SK SCT025/RM DURD RY 24
BDL UAHeader — reporting station and UA: a routine pilot report.OV BDLLocation — fix or navaid, optionally with a radial and distance in NM.TM 0556Reported at 05:56 UTC.FL025Altitude: 2,500 ft MSL.TP B763Aircraft type reporting.SK SCT025Sky condition — cloud bases and tops in hundreds of feet MSL.RM DURD RY 24Remarks.Show raw report
EWR UA /OV KEWR270015/TM 0503/FL100/TP B39M/TB NEG/RM DURC
EWR UAHeader — reporting station and UA: a routine pilot report.OV KEWR270015Location — fix or navaid, optionally with a radial and distance in NM.TM 0503Reported at 05:03 UTC.FL100Altitude: 10,000 ft MSL.TP B39MAircraft type reporting.TB NEGTurbulence: none reported.RM DURCRemarks.Show raw report
FRG UA /OV FRG320005/TM 0444/FL020/TP PC24/SK 018/WX RA/TB LT-MOD CHOP
FRG UAHeader — reporting station and UA: a routine pilot report.OV FRG320005Location — fix or navaid, optionally with a radial and distance in NM.TM 0444Reported at 04:44 UTC.FL020Altitude: 2,000 ft MSL.TP PC24Aircraft type reporting.SK 018Sky condition — cloud bases and tops in hundreds of feet MSL.WX RAWeather and flight visibility observed.TB LT-MOD CHOPTurbulence: lt- moderate chop.Show raw report
TEB UA /OV KTEB010004/TM 0425/FL015/TP C700/WX -RA/TB NEG/RM ON APPROACH RWY 19
TEB UAHeader — reporting station and UA: a routine pilot report.OV KTEB010004Location — fix or navaid, optionally with a radial and distance in NM.TM 0425Reported at 04:25 UTC.FL015Altitude: 1,500 ft MSL.TP C700Aircraft type reporting.WX -RAWeather and flight visibility observed.TB NEGTurbulence: none reported.RM ON APPROACH RWY 19Remarks.Show raw report
DXR UA /OV CMK180070/TM 0409/FL190/TP B752/TB MOD 190-150
DXR UAHeader — reporting station and UA: a routine pilot report.OV CMK180070Location — fix or navaid, optionally with a radial and distance in NM.TM 0409Reported at 04:09 UTC.FL190Altitude: 19,000 ft MSL.TP B752Aircraft type reporting.TB MOD 190-150Turbulence: moderate 19,000–15,000 ft.Show raw report
BDL UA /OV BDL/TM 0407/FL031/TP B763/SK BKN031/RM DURD RY 24
BDL UAHeader — reporting station and UA: a routine pilot report.OV BDLLocation — fix or navaid, optionally with a radial and distance in NM.TM 0407Reported at 04:07 UTC.FL031Altitude: 3,100 ft MSL.TP B763Aircraft type reporting.SK BKN031Sky condition — cloud bases and tops in hundreds of feet MSL.RM DURD RY 24Remarks.Show raw report
TEB UA /OV KTEB270015/TM 0353/FL090/TP B350/TB LGT/RM DURC
TEB UAHeader — reporting station and UA: a routine pilot report.OV KTEB270015Location — fix or navaid, optionally with a radial and distance in NM.TM 0353Reported at 03:53 UTC.FL090Altitude: 9,000 ft MSL.TP B350Aircraft type reporting.TB LGTTurbulence: light.RM DURCRemarks.⚠️ 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 a mix of conditions, most often VFR across 27 observations, with 4 flight-category changes. The strongest gust reached 23 kt, the lowest ceiling was 500 ft. Wind most often came from the S.
Most recent change: MVFR → VFR
Most recent change: MVFR → VFR
- 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
- 17h 27m
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Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
8 airports+2 more within 25 NM
25–50 NM
8 airports+2 more within 50 NM
50–100 NM
8 airports+2 more within 100 NM
RC flying fields nearby
AMA model-aircraft club fields around this airport — live wind, crosswind & flyability on each page.
- Suffolk Falcons Inc. - Old Riverhead Rd — East Quogue, NY · 11 mi
- Long Island Radio Control Society - Sound Ave. — Calverton, NY · 13 mi
- Wingnutz RC Squadron - Middle Country Rd — Calverton, NY · 14 mi
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-submittedCommunity-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.
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⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
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