Lake Brooks Seaplane Base (5Z9) Area Aviation Weather & Runway Winds
Aviation weather near Lake Brooks Seaplane Base in Katmai National Park, AK, decoded from the nearest reporting station (PAKN): conditions, runway crosswinds, and free Telegram airport alerts.
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. Its 2 runways (ALL, WAY), longest 5,000 ft, are checked against the current wind in the crosswind table below. The nearest TAF is issued for PAKN. Track it in the ATIS Alerts Telegram bot to get alerts read from PAKN, the station this page is based on.
No weather station at this airport: showing the nearest station PAKN, 28.3 nm away.
Wind from the west-southwest (240°) at 6 kt, visibility 1.3 statute miles, overcast at 200 ft, temperature 11°C (52°F), altimeter 30.21 inHg. Conditions are Low IFR (LIFR), ceiling 200 ft.
METAR PAKN 130654Z 24006KT 1 1/4SM BR OVC002 11/11 A3021 RMK AO2 SLP230 T01110106
What changed at PAKN (nearest station)?
Since the 0654Z (10:54 PM AKDT) report, compared automatically against the latest METAR.
- Visibility dropped from 1.25 SM to 0.5 SM.
- Fog began (FG).
- Mist ended (BR).
The latest report is an off-schedule special (SPECI), issued because conditions changed significantly. What is a SPECI? →
This is exactly what ATIS Alerts watches for you: get a Telegram message when 5Z9's weather changes, free →
Current pilot readout for 5Z9
Based on the nearest station (PAKN), 5Z9 is currently LIFR with winds from 240° at 6 knots, visibility 1.3 statute miles, and a 200 ft ceiling. The strongest crosswind component is currently on runway ALL, about 5 knots. Density altitude is approximately -800 ft (field elevation 36 ft). Review the latest TAF below for forecast changes before departure.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →
Get 5Z9 weather alerts in Telegram
Stop refreshing aviation weather manually. Track 5Z9 in ATIS Alerts and get notified when a new METAR changes the picture: a category drop, or wind and ceiling moving toward your minimums.
Track 5Z9 free on TelegramRunway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
Use this section to quickly compare current wind alignment across available runways at 5Z9. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| ALLFAV | 5,000 ft | WATER-E | 3 kt tail | 5 kt left |
| WAY | 5,000 ft | WATER-E | 3 kt tail | 5 kt left |
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 7→3 kt, ceiling 500 ft → 200 ft.
5Z9 weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Lake Brooks Seaplane Base in Katmai National Park, AK: the NOAA/NWS NEXRAD composite updates about every five minutes, with NOAA lightning strike density overlaid. The loop plays the past 50 minutes, then continues into a future-radar forecast (+1 to +4 hours, NOAA HRRR model) so you can see where precipitation around 5Z9 is headed.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap
Forecast frames (amber label) are HRRR model guidance, not observed radar. Lightning strike density appears as a blue-white glow when strikes are detected in view. Radar and lightning coverage are limited in parts of Alaska, Hawaii, and offshore areas. Not for navigation.
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 45 observations, with 12 flight-category changes. The lowest ceiling was 200 ft. Wind most often came from the SW.
Most recent change: IFR → LIFR
Most recent change: IFR → LIFR
- ALL/WAY
- 100%
TAF | Terminal Aerodrome Forecast
Issued 0530Z (9:30 PM AKDT)
TAF PAKN 130530Z 1306/1406 21005KT P6SM FEW015 SCT030 FM130800 VRB03KT P6SM OVC007 FM131000 VRB03KT 5SM BR OVC005 FM131200 VRB03KT 3SM BR OVC004 FM131900 12005KT 4SM -RA BR OVC009
New to TAFs? How to read one →
Want forecast changes pushed to you? Start free on Telegram → TAF heads-ups are part of Premium · see what Premium includes
Get free ATIS alerts for 5Z9
We'll message you on Telegram when a new report moves the picture near 5Z9 (Lake Brooks Seaplane Base): alerts read from PAKN, the station this page uses.
Track 5Z9 on TelegramFree • no app to install • unsubscribe anytime
Airport facts
Reference data from the OurAirports dataset.
- 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
- Longest runway
- 5,000 ft
- Weather reporting
- Nearest station PAKN
- TAF
- Nearest PAKN
- Time zone
- America/Anchorage
- Next sunset
- 21h 34m
Run a flight school, FBO, or club here? Embed 5Z9's live status on your website, free →
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
5Z9 weather: frequently asked
What runways are available at 5Z9?+
5Z9 has 2 runways: ALL, WAY; the longest is 5,000 ft. This page computes the live crosswind for each runway end from the current wind.
Where does the weather shown for 5Z9 come from?+
Lake Brooks Seaplane Base does not have its own weather station. Conditions shown here come from the nearest reporting station, PAKN, about 28 nm away, close enough for situational awareness, but local conditions at 5Z9 can differ.
Does 5Z9 have a TAF?+
Yes. The PAKN TAF is shown on this page below the current conditions.
Does 5Z9 broadcast D-ATIS?+
No. 5Z9 does not broadcast D-ATIS. Alerts for 5Z9 from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.
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.
Why pilots use ATIS Alerts
Free aviation weather and ATIS change alerts for GA pilots, delivered on Telegram, so a change catches your eye before it catches you off guard.
- Get pinged the moment 5Z9 drops below VFR or a new report moves your numbers.
- Live METAR, TAF, crosswinds, and FAA delays: one link, always current.
- Free, no app to install, and you can track any US airport. Unsubscribe anytime.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
Spotted incorrect airport info? ✏️ Suggest an edit