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Windsock Airport (4WA4) Area Aviation Weather & Runway Winds

As of 11:55 PM PDT, Oct 27, based on the nearest station (KS31), 4WA4 is currently IFR with winds from 220° at 3 knots, visibility 2.5 statute miles, and a 600 ft ceiling.

Aviation weather near Windsock Airport in Lopez, WA, decoded from the nearest reporting station (KS31): conditions and runway crosswinds.

Windsock Airport (4WA4) is a general aviation airport serving pilots in and around Lopez, WA at a field elevation of 30 ft. 4WA4 has no weather station of its own. Conditions here are decoded from KS31, about 4 nm away, the nearest reporting station, and local conditions can differ. It has one runway (02/20), the longest 1,850 ft. The nearest TAF is issued for KNUW.

Ask ATIS AIAsk anything about 4WA4's weather, runways or delays, or search another airport.
IFR
Observed 0655Z (11:55 PM PDT)live · refreshes every 60s

No weather station at this airport: showing the nearest station KS31, 4 nm away.

Wind
220° 3 kt
Visibility
2.5 sm
Ceiling
600 ft
Altimeter
29.83"
Temp / Dew
46°F / 8°C
dew 46°F / 8°C

Wind from the southwest (220°) at 3 kt, visibility 2.5 statute miles, overcast at 600 ft, temperature 8°C (46°F), altimeter 29.83 inHg. Conditions are Instrument Flight Rules (IFR), ceiling 600 ft.

Raw METAR
METAR KS31 280655Z AUTO 22003KT 2 1/2SM -RA BR OVC006 07/07 A2983 RMK AO2 OVC V BKN P0023 T00750075

What changed at KS31 (nearest station)?

Since the 0635Z (11:35 PM PDT) report, compared automatically against the latest METAR.

  • Rain began (-RA).
  • Rain ended (RA).

Current pilot readout for 4WA4

Based on the nearest station (KS31), 4WA4 is currently IFR with winds from 220° at 3 knots, visibility 2.5 statute miles, and a 600 ft ceiling. the wind favors southwest-facing runway ends (20). Density altitude is approximately -750 ft (field elevation 30 ft). 4WA4 does not publish a TAF. The nearest TAF station is KNUW, about 15 nm away.

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

Runway wind check

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

RunwayHead / TailCrosswind
20FAV3 kt head0 kt
023 kt tail0 kt

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

4WA4 runways

1 physical runway · 2 runway ends. Each card opens the runway's intelligence page: equipment and lighting, LAHSO, frequencies, today's configuration, predicted use, history and approaches.

  • Runway 02/20
    1,850 × 75 ft · TURF
    Status not monitored
    Current use
    no stated-runway source at 4WA4
    Wind
    02
    3 kt tailwind · 0 kt crosswind
    20
    3 kt headwind · 0 kt crosswind
    no active equipment NOTAM receivedView Runway Intelligence →

“Current use” is what the facilitystates; wind components are arithmetic on the current METAR against TRUE headings; status reflects NOTAMs received through SWIM, the tower's TFDM record and the D-ATIS — a runway reads “Open” only with a complete NOTAM picture.

24-hour trend

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

Wind (kt)Gusts (kt)Bottom strip, flight category:VFRMVFRIFRLIFRNo report
061207Z19Z06Z

Over the last 24 h: wind 0→3 kt, ceiling 6,500 ft → 600 ft.

4WA4 weather radar

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

Loading…
Loading radar…

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

NOAA NEXRAD composite and lightning, updated about every five minutes; amber frames are HRRR model guidance, not observed radar. Not for navigation.

Pilot reports (PIREPs) within 100 NM of 4WA4

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

PIREP0632Z (11:32 PM PDT) · 88 NM SE of 4WA4 · during climb · A21N
light rime 7,000–18,000 ft icing
Show raw report
SEA UA /OV SEA070035/TM 0632/FL200/TP A21N/TA M03/TB NEG/IC LGT RIME 070-180/RM DURC-ZSE
SEA UAHeader: reporting station and UA: a routine pilot report.
OV SEA070035Location: fix or navaid, optionally with a radial and distance in NM.
TM 0632Reported at 06:32 UTC.
FL200Altitude: 20,000 ft MSL.
TP A21NAircraft type reporting.
TA M03Outside air temperature, °C.
TB NEGTurbulence: none reported.
IC LGT RIME 070-180Icing: light rime 7,000–18,000 ft.
RM DURC-ZSERemarks.
PIREP0619Z (11:19 PM PDT) · 74 NM S of 4WA4 · 9,000 ft MSL · E75L
lt rime turbulence
Show raw report
SEA UA /OV SEA210008/TM 0619/FL90/TP E75L/SK BASES 50 TOPS 100/TB LT RIME
SEA UAHeader: reporting station and UA: a routine pilot report.
OV SEA210008Location: fix or navaid, optionally with a radial and distance in NM.
TM 0619Reported at 06:19 UTC.
FL90Altitude: hundreds of feet MSL. UNKN = unknown; DURC/DURD = during climb/descent.
TP E75LAircraft type reporting.
SK BASES 50 TOPS 100Sky condition: cloud bases and tops in hundreds of feet MSL.
TB LT RIMETurbulence: lt rime.
PIREP0522Z (10:22 PM PDT) · 77 NM S of 4WA4 · during descent · B738
moderate rime 17,000–8,000 ft icing
Show raw report
SEA UA /OV SEA198011/TM 0522/FL110/TP B738/TA M9/IC MOD RIME 170-080/RM DURD HAWKZ
SEA UAHeader: reporting station and UA: a routine pilot report.
OV SEA198011Location: fix or navaid, optionally with a radial and distance in NM.
TM 0522Reported at 05:22 UTC.
FL110Altitude: 11,000 ft MSL.
TP B738Aircraft type reporting.
TA M9Outside air temperature, °C.
IC MOD RIME 170-080Icing: moderate rime 17,000–8,000 ft.
RM DURD HAWKZRemarks.
PIREP0520Z (10:20 PM PDT) · 76 NM S of 4WA4 · during descent · B38M
light rime 16,000–9,000 ft icing
Show raw report
SEA UA /OV SEA110007/TM 0520/FL110/TP B38M/TA M1/IC LGT RIME 160-090/RM DURD CHINS
SEA UAHeader: reporting station and UA: a routine pilot report.
OV SEA110007Location: fix or navaid, optionally with a radial and distance in NM.
TM 0520Reported at 05:20 UTC.
FL110Altitude: 11,000 ft MSL.
TP B38MAircraft type reporting.
TA M1Outside air temperature, °C.
IC LGT RIME 160-090Icing: light rime 16,000–9,000 ft.
RM DURD CHINSRemarks.
PIREP0505Z (10:05 PM PDT) · 75 NM S of 4WA4 · 3,200 ft MSL · B738
Show raw report
SEA UA /OV SEA161005/TM 0505/FL032/TP B738/SK BKN 032 CLR 060/RM BASES 032 TOPS 060
SEA UAHeader: reporting station and UA: a routine pilot report.
OV SEA161005Location: fix or navaid, optionally with a radial and distance in NM.
TM 0505Reported at 05:05 UTC.
FL032Altitude: 3,200 ft MSL.
TP B738Aircraft type reporting.
SK BKN 032 CLR 060Sky condition: cloud bases and tops in hundreds of feet MSL.
RM BASES 032 TOPS 060Remarks.
PIREP0451Z (9:51 PM PDT) · 30 NM S of 4WA4 · 14,000 ft MSL · KC35
moderate rime 140 icing
Show raw report
SEA UA /OV SEA300050/TM 0451/FL140/TP KC35/IC MOD RIME 140/RM JAWBN ARR /ZSE
SEA UAHeader: reporting station and UA: a routine pilot report.
OV SEA300050Location: fix or navaid, optionally with a radial and distance in NM.
TM 0451Reported at 04:51 UTC.
FL140Altitude: 14,000 ft MSL.
TP KC35Aircraft type reporting.
IC MOD RIME 140Icing: moderate rime 140.
RM JAWBN ARR /ZSERemarks.
PIREP0432Z (9:32 PM PDT) · 96 NM S of 4WA4 · during descent · PC12
light turb turbulencelight rime icing
Show raw report
SEA UA /OV SEA201038/TM 0432/FL100/TP PC12/TA -05/TB LGT TURB/IC LGT RIME /RM DURD OLM 100-075
SEA UAHeader: reporting station and UA: a routine pilot report.
OV SEA201038Location: fix or navaid, optionally with a radial and distance in NM.
TM 0432Reported at 04:32 UTC.
FL100Altitude: 10,000 ft MSL.
TP PC12Aircraft type reporting.
TA -05Outside air temperature, °C.
TB LGT TURBTurbulence: light turb.
IC LGT RIMEIcing: light rime.
RM DURD OLM 100-075Remarks.
PIREP0430Z (9:30 PM PDT) · 75 NM S of 4WA4 · 2,500 ft MSL · A21N
Show raw report
SEA UA /OV SEA161005/TM 0430/FL025/TP A21N/SK BKN 025 /RM BASES 025
SEA UAHeader: reporting station and UA: a routine pilot report.
OV SEA161005Location: fix or navaid, optionally with a radial and distance in NM.
TM 0430Reported at 04:30 UTC.
FL025Altitude: 2,500 ft MSL.
TP A21NAircraft type reporting.
SK BKN 025Sky condition: cloud bases and tops in hundreds of feet MSL.
RM BASES 025Remarks.

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

Recent aviation weather trends at 4WA4

From ATIS Alerts' hourly weather history.

Over the past 24 hours, the nearest station KS31 reported a mix of conditions, most often VFR across 69 observations, with 20 flight-category changes. The lowest ceiling was 200 ft. Wind most often came from the S.

Last 24 hours
VFR 55%MVFR 19%IFR 17%LIFR 9%
Wind avg/max: 2/8 kt
Max gust: -
Lowest ceiling: 200 ft
Lowest vis: -
Prevailing wind: S
Category changes: 20

Most recent change: LIFR → IFR

Last 7 days
VFR 86%MVFR 9%IFR 1%LIFR 4%
Wind avg/max: 2/11 kt
Max gust: 17 kt
Lowest ceiling: 100 ft
Lowest vis: 2 sm
Prevailing wind: N
Category changes: 27

Most recent change: MVFR → LIFR

Wind-favored runway - past 30 days

Share of hours each runway had the most headwind. From wind reports, not ATC assignments.

02
81%
20
19%

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No live weather from 4WA4

Live crosswind meter

4WA4 has no weather feed online, so the wind comes from KS31, 4 nm away.

N20023 kt
Headwind
3 kt
Crosswind
0 kt

Wind is 1° off runway 20, the end with the most headwind right now.

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Turf · 1,850 ft. Headings from FAA runway data. Not for navigation.

Field aerial

North up

Aerial photo of Windsock Airport (4WA4)
N ↑

Imagery: USGS The National Map (public domain). Something off? ✏️ Suggest an edit

Airport info

From the FAA airport record (cycle 2026-10-01) and OurAirports.

Services

Attended
24 hours
Landing fee
Yes
Control tower
None
Wind indicator
Unlighted

Airport

Type
General aviation airport
FAA LID
4WA4
City
Lopez
State
Washington
Country
United States
Elevation
30 ft
Coordinates
48.5415, -122.8870
Runways
1 physical runway · 2 runway ends
Longest runway
1,850 ft
Weather reporting
Nearest station KS31
TAF
Nearest KNUW
Time zone
America/Los_Angeles
Next sunset
17h 55m

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Nearby airports

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

VFRMVFRIFRLIFRNo report

RC flying fields nearby

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

All RC flying fields →

See all Washington airports →

Pilot PIREPs for Windsock Airport (4WA4)

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 Windsock 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 4WA4 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.

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

Spotted incorrect airport info? ✏️ Suggest an edit

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