WxDecoder

7W4 METAR Lake Anna Airport

Bumpass, VirginiaElevation 355 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KLKU · 11 NM W · 11 min old
Ceiling 500 ft, visibility 3/4 SM, mist.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KLKU
WIND
Calm
no steady wind
VISIBILITY
3/4 SM
1.2 km
CEILING
500 ft
lowest BKN/OVC
ACTIVE NWS ALERTS

Active weather alerts

Frost AdvisoryMinor · Expected · Likely
26 0600Z to 26 1300Z
Fluvanna; Prince Edward; Cumberland; Goochland; Caroline; Nottoway; Amelia; Powhatan; Western Louisa; Eastern Louisa; Western Hanover
* WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Portions of central Virginia. * WHEN...From 2 AM to 9 AM EDT Monday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
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 9.7C. This observation is older than usual, so treat it with extra caution. Treat this as supplemental, not an aviation observation. Forecast suggests monday areas of frost then sunny, high near 70F, low near 43F, 0% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Monday Areas Of Frost then Sunny 70/43 NW 2 kt – 0%
Tuesday Sunny 70/44 N 4 kt – 0%
Wednesday Partly Sunny 68/48 NE 3 kt – 0%
Thursday Mostly Sunny 72/49 SW 3 kt – 0%
Friday Sunny 77/52 SW 1 kt – 0%
Saturday Mostly Sunny 74/55 S 3 kt – 6%
Sunday Chance Rain Showers 71 S 5 kt – 33%

Source: National Weather Service (office AKQ). Forecast issued 0426Z.

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
1 runway
NESW0826
WIND
No on-field weather data
No reporting weather station on the field, so wind components cannot be computed. See nearby stations below.
RUNWAYS

Runway detail & declared distances

1 runway · longest 2,558 ft

08/26
Dimensions
2,558 x 50 ft
Surface
Asphalt (good)
Edge lights
MED
RWY 0875°T
Traffic patternLeft
RWY 26255°T
Traffic patternLeft

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
355 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2220Z 6:20 PM
Sunrise
1130Z 7:30 AM
Loggable night
2247Z (6:47 PM local) → 1103Z (7:03 AM local)
end of evening to start of morning civil twilight
Position lights required
2220Z (6:20 PM local) → 1130Z (7:30 AM local)
sunset to sunrise (91.209)
Night passenger currency
2320Z (7:20 PM local) → 1030Z (6:30 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

Lake Anna Airport is in Bumpass, Virginia. Field elevation 355 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UseOpen to the public
TypeSmall airport
ManagerRICHARD HENRY REMPE
Manager phone804-550-5794
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATA7W4
SectionalWASHINGTON
Center (ARTCC)WASHINGTON
Flight service (AFSS)LEESBURG
RegionVirginia
CountryUnited States
Coordinates37.9657, -77.7458
Distance from city0 NM NW
SERVICES & LIGHTING
Control towerNon-towered
Field lightingSee remarks
BeaconSunset to sunrise · White-green (lighted land airport)
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

7W4 traffic patterns

2026-06-30 to 2026-10-21, 23 days observed · data 2026-10-23

Low confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1.3
AVG OPS/DAY
1.8
Activity trend over 4 days: flat, from 2 to 2 operations per dayOperations trend (4 days)

Busiest day: Fri · Busiest month: Jul

FLEET MIX
Piston single 67%Helicopter 24%Twin 4%Unknown 4%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›H60 (Helicopter) · ~5 landings/mo
›C170 (Piston single) · ~3 landings/mo
›C172 (Piston single) · ~2 landings/mo
›GLST (Piston single) · ~2 landings/mo
›BE35 (Piston single) · ~1 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly rotorcraft.

›H60 (Helicopter)
›C172 (Piston single)
›C170 (Piston single)

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

7W4 has no on-field report. Nearest reporting station: KLKU (11 NM W, LIFR).

KLKU Louisa County Airport / Freeman Field
11 NM W
LIFR
KGVE Gordonsville Municipal Airport
23 NM NW
VFR
KRMN Stafford Regional Airport
29 NM NE
VFR
KRIC Richmond International Airport
34 NM SE
VFR
KCHO Charlottesville Albemarle Airport
35 NM W
VFR
KFCI Richmond Executive-Chesterfield County Airport
35 NM S
VFR
AIRPORT REMARKS

Operational remarks

›ACTVT MIRL RY 08/26 - CTAF
›CTAF 122.90
›VFR ONLY
›DEER ON & INVOF ARPT.
›FOR CD CTC POTOMAC APCH AT 866-640-4124.
›EMERGENCY PHONE NUMBER IS: (804) 514-6642
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗7W4 on OurAirports
FREQUENTLY ASKED
Does 7W4 have a METAR?
Yes. 7W4 is a METAR-reporting station; the current observation loads live on this page.
Does 7W4 have a TAF?
When 7W4 issues a TAF, its decoded forecast timeline loads live on this page; otherwise use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 7W4?
7W4 sits at 355 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 7W4?
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.