WxDecoder

NK18 Weather Peconic Bay Medical Center Heliport

Riverhead, New YorkElevation 85 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KFOK · 6 NM S · 6 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 · KFOK
WIND
Calm
no steady wind
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
ACTIVE NWS ALERTS

Active weather alerts

Frost AdvisoryMinor · Expected · Likely
25 0656Z to 25 1300Z
Southern Fairfield; Southern New Haven; Southern Middlesex; Southern New London; Northeast Suffolk; Southeast Suffolk
* WHAT...Temperatures in the mid 30s, and locally as low 25 to 30 in parts of the Pine Barrens of Long Island, will result in frost formation. * WHERE...In Connecticut, Southern Fairfield, Southern Middlesex, Southern New Haven, and Southern New London Counties. In New York, Northeast Suffolk and Southeast Suffolk Counties. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Frost could harm sens…
Take steps now to protect tender plants from the cold.

Alerts from the National Weather Service. For situational awareness only; always confirm against an official briefing.

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 -1C. Treat this as supplemental, not an aviation observation. Forecast suggests today areas of frost then sunny, high near 61F, low near 32F, 0% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Today Areas Of Frost then Sunny 61/32 NW 3 kt – 0%
Monday Areas Of Frost then Sunny 64/46 W 6 kt – 0%
Tuesday Sunny 56/40 N 9 kt – 0%
Wednesday Mostly Sunny 55/44 E 5 kt – 0%
Thursday Mostly Sunny 64/51 SW 8 kt – 1%
Friday Sunny 66/49 W 5 kt – 1%
Saturday Mostly Sunny 64/50 E 5 kt – 5%

Source: National Weather Service (office OKX). Forecast issued 1059Z.

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 NK18. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway

H1
Dimensions
55 x 55 ft
Surface
Mats
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
85 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2157Z 5:57 PM
Sunrise
1112Z 7:12 AM
Loggable night
2225Z (6:25 PM local) → 1044Z (6:44 AM local)
end of evening to start of morning civil twilight
Position lights required
2157Z (5:57 PM local) → 1112Z (7:12 AM local)
sunset to sunrise (91.209)
Night passenger currency
2257Z (6:57 PM local) → 1012Z (6:12 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

Peconic Bay Medical Center Heliport is in Riverhead, New York. Field elevation 85 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeHeliport
ManagerED RAMOS
Manager phone631-548-6911
CHARTS & AIRSPACE
ICAO / IATANK18
SectionalNEW YORK
Center (ARTCC)NEW YORK
Flight service (AFSS)NEW YORK
RegionNew York
CountryUnited States
Coordinates40.9353, -72.6733
Distance from city1 NM NNW
SERVICES & LIGHTING
Control towerNon-towered
CTAF122.900
FREQUENCIES

Communications

122.900
CTAF
CTAF

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

AIRCRAFT ACTIVITY

NK18 traffic patterns

2026-07-12 to 2026-10-22, 9 days observed · data 2026-10-23

Medium confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1
AVG OPS/DAY
1.2
Activity trend over 5 days: rising, from 1 to 2 operations per dayOperations trend (5 days)

Busiest day: Thu · Busiest month: Aug

FLEET MIX
Helicopter 100%

Mostly rotorcraft.

TOP AIRCRAFT TYPES
›EC35 (Helicopter) · ~2 landings/mo
›AS50 (Helicopter) · ~1 landings/mo
›H60 (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

NK18 has no on-field report. Nearest reporting station: KFOK (6 NM S, VFR).

KFOK Francis S Gabreski Airport
6 NM S
VFR
KHWV Brookhaven Calabro Airport
11 NM SW
VFR
KJPX Town of East Hampton Airport
19 NM E
VFR
KISP Long Island MacArthur Airport
21 NM SW
VFR
KHVN Tweed New Haven Airport
22 NM NW
VFR
KBDR Igor I Sikorsky Memorial Airport
25 NM NW
VFR
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗NK18 on OurAirports
FREQUENTLY ASKED
Does NK18 have a METAR?
No on-field METAR is issued for NK18. This page uses the nearest reporting station as a reference.
Does NK18 have a TAF?
No TAF is issued directly for NK18. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at NK18?
NK18 sits at 85 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for NK18?
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.