WT22 Weather Graves Field Heliport

Seattle, WashingtonElevation 38 ftHeliport

OFF-FIELD REFERENCE

Nearest report: KBFI · 8 NM S · 7 min old

Ceiling 6,000 ft, visibility 5 SM, mist.

No on-field report, so no field flight category. Conditions at the field may differ.

OFF-FIELD REFERENCE · KBFI

WIND

140@6

steady

VISIBILITY

5 SM

8 km

CEILING

6,000 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 from 88° at 4 kt, temperature 8.33C. This observation is older than usual, so treat it with extra caution. Treat this as supplemental, not an aviation observation. Forecast suggests sunday light rain, high near 56F, low near 44F, 82% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES

Thunderstorms in the forecastWeather.gov

Wednesday: Showers And Thunderstorms. Watch for developing convection and plan alternates.

Day	Conditions	Temp F	Wind	Gusts	Precip	Pilot note
Sunday	Light Rain	56/44	SE 3 kt	–	82%
Monday	Chance Light Rain	58/45	NNE 2 kt	–	29%
Tuesday	Chance Light Rain	58/43	SSW 6 kt	–	78%
Wednesday	Showers And Thunderstorms	55/40	S 8 kt	–	89%	Thunderstorms in the forecast
Thursday	Light Rain Likely	54/39	SSE 3 kt	–	68%
Friday	Slight Chance Light Rain	54/37	ENE 2 kt	–	18%
Saturday	Partly Sunny	54	S 3 kt	–	8%

Source: National Weather Service (office SEW). Forecast issued 1259Z.

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 WT22. Enter a runway number or heading to estimate wind components.

RUNWAYS

Runway detail & declared distances

1 runway · longest 62 ft

Dimensions

62 x 62 ft

Surface

Asphalt

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

38 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset

0104Z 6:04 PM

Sunrise

1442Z 7:42 AM

Loggable night

0136Z (6:36 PM local) → 1410Z (7:10 AM local)

end of evening to start of morning civil twilight

Position lights required

0104Z (6:04 PM local) → 1442Z (7:42 AM local)

sunset to sunrise (91.209)

Night passenger currency

0204Z (7:04 PM local) → 1342Z (6:42 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

Graves Field Heliport is in Seattle, Washington. Field elevation 38 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT

OwnershipPrivately owned

UsePrivate use

TypeHeliport

ManagerKYLE DANIELSON

Manager phone206-521-1599

AttendedUNATNDD

CHARTS & AIRSPACE

ICAO / IATAWT22

SectionalSEATTLE

Center (ARTCC)SEATTLE

Flight service (AFSS)SEATTLE

RegionWashington

CountryUnited States

Coordinates47.6581, -122.2983

Distance from city4 NM NE

SERVICES & LIGHTING

Control towerNon-towered

Field lightingSee remarks

AIRCRAFT ACTIVITY

WT22 traffic patterns

2026-06-12 to 2026-10-23, 38 days observed · data 2026-10-23

Medium confidence

TRAFFIC VOLUME (30-DAY)

AVG LANDINGS/DAY

1.6

AVG OPS/DAY

1.8

Operations trend (8 days)

Busiest day: Wed · Busiest month: Sep

FLEET MIX

Unknown 35%Helicopter 25%Piston single 22%Turboprop 18%

Fleet composition unclear from available data.

TOP AIRCRAFT TYPES

›K100 (Unknown) · ~5 landings/mo

›C172 (Piston single) · ~4 landings/mo

›DH3T (Turboprop) · ~4 landings/mo

›UNKN (Unknown) · ~3 landings/mo

›H60 (Helicopter) · ~2 landings/mo

LIKELY BASED AIRCRAFT

Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly aircraft of unknown type.

›K100 (Unknown)

›H60 (Helicopter)

›EC35 (Helicopter)

This is an estimate based on repeated flight patterns, not registration data. Do not rely on it to identify specific aircraft or owners.

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

WT22 has no on-field report. Nearest reporting station: KBFI (8 NM S, MVFR).

KBFI King County International Airport - Boeing Field

8 NM S

MVFR

KRNT Renton Municipal Airport

10 NM S

VFR

KSEA Seattle–Tacoma International Airport

13 NM S

MVFR

KPAE Seattle Paine Field International Airport

15 NM N

VFR

KPWT Bremerton National Airport

21 NM SW

VFR

KTIW Tacoma Narrows Airport

26 NM SW

VFR

AIRPORT REMARKS

Operational remarks

›ACTVT H1 PERI LGTS - 123.05

›FOR CD CTC SEATTLE APCH AT 206-214-4794.

›MEDICAL USE ONLY.

OFFICIAL LINKS & SOURCES

↗Search NOTAMs (official FAA NOTAM Search)

↗WT22 on OurAirports

FREQUENTLY ASKED

Does WT22 have a METAR?

No on-field METAR is issued for WT22. This page uses the nearest reporting station as a reference.

Does WT22 have a TAF?

No TAF is issued directly for WT22. Use the nearest TAF-issuing field as a planning reference.

What is the field elevation at WT22?

WT22 sits at 38 ft MSL, which factors into the density-altitude estimate on this page.

Is this an official preflight weather briefing for WT22?

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.