Lake Brooks Seaplane Base (5Z9) Area Aviation Weather & Runway Winds
As of 9:54 AM AKDT, Oct 28, based on the nearest station (PAKN), 5Z9 is currently VFR with winds from 140° at 24 knots gusting 35, visibility 10+ statute miles, and a 8,000 ft ceiling.
Aviation weather near Lake Brooks Seaplane Base in Katmai National Park, AK, decoded from the nearest reporting station (PAKN): conditions and runway crosswinds.
Lake Brooks Seaplane Base (5Z9) is a seaplane base in Katmai National Park, AK. 5Z9 has no weather station of its own. Conditions here are decoded from PAKN, about 28 nm away, the nearest reporting station, and local conditions can differ. It has 2 physical runways (ALL, WAY), the longest 5,000 ft. The nearest TAF is issued for PAKN.
No weather station at this airport: showing the nearest station PAKN, 28.3 nm away.
Wind from the southeast (140°) at 24 kt, gusting 35 kt, visibility 10+ statute miles, scattered clouds at 2,000 ft, broken clouds at 8,000 ft, temperature 8°C (46°F), altimeter 30.02 inHg. Conditions are Visual Flight Rules (VFR), ceiling 8,000 ft.
METAR PAKN 281754Z 14024G35KT 10SM -RA SCT020 BKN080 08/03 A3002 RMK AO2 PK WND 16035/1720 RAB29 SLP167 P0000 60000 T00780028 10078 20017 56023
What changed at PAKN (nearest station)?
Since the 1654Z (8:54 AM AKDT) report, compared automatically against the latest METAR.
- Rain began (-RA).
- Wind speed up from 18 to 24 kt.
- A ceiling formed at 8,000 ft.
Current pilot readout for 5Z9
Based on the nearest station (PAKN), 5Z9 is currently VFR with winds from 140° at 24 knots gusting 35, visibility 10+ statute miles, and a 8,000 ft ceiling. Density altitude is approximately -950 ft (field elevation 36 ft). 5Z9 does not publish a TAF. The nearest TAF station is PAKN, about 28 nm away.
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Runway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| ALLFAV | 5,000 ft | WATER-E | 18 kt tail | 15 kt right (g22) |
| WAY | 5,000 ft | WATER-E | 18 kt tail | 15 kt right (g22) |
Open the crosswind calculator to 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 0→24 kt, ceiling 300 ft → 8,000 ft.
5Z9 weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
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 5Z9
Reported by pilots in flight over the past 6 hours, via aviationweather.gov.
Show raw report
AKN UA /OV AKN122065/TM 1742/FL370/TP B789/TB NEG/RM /ZAN
AKN UAHeader: reporting station and UA: a routine pilot report.OV AKN122065Location: fix or navaid, optionally with a radial and distance in NM.TM 1742Reported at 17:42 UTC.FL370Altitude: 37,000 ft MSL.TP B789Aircraft type reporting.TB NEGTurbulence: none reported.RM /ZANRemarks.Show raw report
AKN UA /OV AKN220046/TM 1741/FL300/TP SB20/TB OCNL CONS LGT/RM /ZAN
AKN UAHeader: reporting station and UA: a routine pilot report.OV AKN220046Location: fix or navaid, optionally with a radial and distance in NM.TM 1741Reported at 17:41 UTC.FL300Altitude: 30,000 ft MSL.TP SB20Aircraft type reporting.TB OCNL CONS LGTTurbulence: occasional continuous light.RM /ZANRemarks.Show raw report
AKN UA /OV PAKN/TM 1650/FL030/TP B190/TB LGT ABV SFC/IC NEG
AKN UAHeader: reporting station and UA: a routine pilot report.OV PAKNLocation: fix or navaid, optionally with a radial and distance in NM.TM 1650Reported at 16:50 UTC.FL030Altitude: 3,000 ft MSL.TP B190Aircraft type reporting.TB LGT ABV SFCTurbulence: light abv sfc.IC NEGIcing: none reported.Show raw report
DLG UA /OV DLG/TM 1545/FL011/TP B190/SK OVC011/TB LGT BLO 011/IC NEG/RM DURD RNAVZ19/ ZAN
DLG UAHeader: reporting station and UA: a routine pilot report.OV DLGLocation: fix or navaid, optionally with a radial and distance in NM.TM 1545Reported at 15:45 UTC.FL011Altitude: 1,100 ft MSL.TP B190Aircraft type reporting.SK OVC011Sky condition: cloud bases and tops in hundreds of feet MSL.TB LGT BLO 011Turbulence: light blo 011.IC NEGIcing: none reported.RM DURD RNAVZ19/ ZANRemarks.⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.
Recent aviation weather trends at 5Z9
From ATIS Alerts' hourly weather history.
Over the past 24 hours, the nearest station PAKN reported a mix of conditions, most often low IFR across 49 observations, with 10 flight-category changes. The strongest gust reached 35 kt, the lowest ceiling was 200 ft. Wind most often came from the SE.
Most recent change: IFR → VFR
Most recent change: IFR → VFR
Share of hours each runway had the most headwind. From wind reports, not ATC assignments.
- ALL/WAY
- 100%
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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
- Unattended all day
- Landing fee
- No
- Control tower
- None
Airport
- Type
- Seaplane base
- IATA
- BKF
- FAA LID
- 5Z9
- City
- Katmai National Park
- State
- Alaska
- Country
- United States
- Elevation
- 36 ft
- Coordinates
- 58.5548, -155.7770
- Runways
- 2 physical runways · 2 runway ends
- Longest runway
- 5,000 ft
- Weather reporting
- Nearest station PAKN
- TAF
- Nearest PAKN
- Time zone
- America/Anchorage
- Sunset in
- 8h 47m
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Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
25–50 NM
8 airports+2 more within 50 NM
50–100 NM
8 airports+2 more within 100 NM
Pilot PIREPs for Lake Brooks Seaplane Base (5Z9)
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 Lake Brooks Seaplane Base, 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 5Z9 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.
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