ATIS Alerts

Bass Lake Seaplane Base (81IN) Area Aviation Weather & Runway Winds

Aviation weather near Bass Lake Seaplane Base in Winona, IN, decoded from the nearest reporting station (KOXI) — conditions, runway crosswinds, and free Telegram airport alerts.

Bass Lake Seaplane Base (81IN) is a seaplane base in Winona, IN. 81IN has no weather station of its own — conditions here are decoded from KOXI, about 7 nm away, the nearest reporting station, and local conditions can differ. Its 2 runways (04W, 22W) — longest 13,309 ft — are checked against the current wind in the crosswind table below. The nearest TAF is issued for KSBN. Track it in the ATIS Alerts Telegram bot to get alerts read from KOXI, the station this page is based on.

VFR
Observed 0555Z (1:55 AM EDT)live · refreshes every 60s

No weather station at this airport — showing the nearest station KOXI, 7.1 nm away.

Wind
290° 2 kt
Visibility
10+ sm
Ceiling
7,000 ft
Altimeter
29.90"
Temp / Dew
15°C / 59°F
dew 15°C

Wind from the west-northwest (290°) at 2 kt, visibility 10+ statute miles, overcast at 7,000 ft, temperature 15°C (59°F), altimeter 29.90 inHg. Conditions are Visual Flight Rules (VFR), ceiling 7,000 ft.

Raw METAR
METAR KOXI 290555Z AUTO 29002KT 10SM OVC070 15/15 A2990 RMK AO2 P0001 10216 20145

What changed at KOXI (nearest station)?

Since the 0535Z (1:35 AM EDT) report — compared automatically against the latest METAR.

No significant changes since the 0535Z report — conditions are holding steady.

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Current pilot readout for 81IN

Based on the nearest station (KOXI), 81IN is currently VFR with winds from 290° at 2 knots, visibility 10+ statute miles, and a 7,000 ft ceiling. The strongest crosswind component is currently on runway 04W, about 2 knots. Density altitude is approximately 900 ft (field elevation 713 ft). 81IN does not publish a TAF — the nearest TAF station is KSBN, about 31 nm away.

⚠️ 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 →

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Runway 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 81IN. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.

RunwayHead / TailCrosswind
04WFAV1 kt head2 kt left
22W1 kt head2 kt left

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

24-hour trend

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

Wind (kt)Gusts (kt)Bottom strip — flight category:VFRMVFRIFRLIFRNo report
0112206Z18Z05Z

Over the last 24 h: wind 4→2 kt, ceiling 6,500 ft → 7,000 ft.

81IN weather radar

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

Live weather radar around Bass Lake Seaplane Base in Winona, IN: 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 81IN is headed.

Loading…
Loading radar…

Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © OpenStreetMap © CARTO

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.

Pilot reports (PIREPs) within 100 NM of 81IN

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

PIREP0213Z (10:13 PM EDT) · 86 NM NW of 81IN · 23,000 ft MSL · B763
Show raw report
PWK UA /OV OBK/TM 0213/FL230/TP B763/TB NEG
PWK UAHeader — reporting station and UA: a routine pilot report.
OV OBKLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0213Reported at 02:13 UTC.
FL230Altitude: 23,000 ft MSL.
TP B763Aircraft type reporting.
TB NEGTurbulence: none reported.
PIREP0208Z (10:08 PM EDT) · 49 NM E of 81IN · 35,000 ft MSL · B738
Show raw report
ASW UA /OV OLK/TM 0208/FL350/TP B738/TB NEG
ASW UAHeader — reporting station and UA: a routine pilot report.
OV OLKLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0208Reported at 02:08 UTC.
FL350Altitude: 35,000 ft MSL.
TP B738Aircraft type reporting.
TB NEGTurbulence: none reported.
PIREP0208Z (10:08 PM EDT) · 65 NM E of 81IN · 32,000 ft MSL · B739
continuous light chop turbulence
Show raw report
FWA UA /OV FWA/TM 0208/FL320/TP B739/TB CONS LGT CHOP
FWA UAHeader — reporting station and UA: a routine pilot report.
OV FWALocation — fix or navaid, optionally with a radial and distance in NM.
TM 0208Reported at 02:08 UTC.
FL320Altitude: 32,000 ft MSL.
TP B739Aircraft type reporting.
TB CONS LGT CHOPTurbulence: continuous light chop.
PIREP0205Z (10:05 PM EDT) · 80 NM SE of 81IN · 28,000 ft MSL · B738
occasional light chop turbulence
Show raw report
MIE UA /OV MIE/TM 0205/FL280/TP B738/TB OCNL LGT CHOP
MIE UAHeader — reporting station and UA: a routine pilot report.
OV MIELocation — fix or navaid, optionally with a radial and distance in NM.
TM 0205Reported at 02:05 UTC.
FL280Altitude: 28,000 ft MSL.
TP B738Aircraft type reporting.
TB OCNL LGT CHOPTurbulence: occasional light chop.
PIREP0204Z (10:04 PM EDT) · 65 NM E of 81IN · 28,000 ft MSL · B38M
intermittent light chop turbulence
Show raw report
FWA UA /OV FWA/TM 0204/FL280/TP B38M/TB INTMT LGT CHOP
FWA UAHeader — reporting station and UA: a routine pilot report.
OV FWALocation — fix or navaid, optionally with a radial and distance in NM.
TM 0204Reported at 02:04 UTC.
FL280Altitude: 28,000 ft MSL.
TP B38MAircraft type reporting.
TB INTMT LGT CHOPTurbulence: intermittent light chop.
PIREP0204Z (10:04 PM EDT) · 72 NM SW of 81IN · during climb · B737
Show raw report
DNV UA /OV DNV/TM 0204/FL300/TP B737/TB NEG/RM DURC
DNV UAHeader — reporting station and UA: a routine pilot report.
OV DNVLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0204Reported at 02:04 UTC.
FL300Altitude: 30,000 ft MSL.
TP B737Aircraft type reporting.
TB NEGTurbulence: none reported.
RM DURCRemarks.
PIREP0204Z (10:04 PM EDT) · 92 NM SW of 81IN · 25,000 ft MSL · E170
intermittent light chop turbulence
Show raw report
TIP UA /OV RBS190015/TM 0204/FL250/TP E170/TB INTMT LGT CHOP
TIP UAHeader — reporting station and UA: a routine pilot report.
OV RBS190015Location — fix or navaid, optionally with a radial and distance in NM.
TM 0204Reported at 02:04 UTC.
FL250Altitude: 25,000 ft MSL.
TP E170Aircraft type reporting.
TB INTMT LGT CHOPTurbulence: intermittent light chop.
PIREP0126Z (9:26 PM EDT) · 31 NM NE of 81IN · 25,000 ft MSL · E75L
Show raw report
GSH UA /OV GSH/TM 0126/FL250/TP E75L/TB NEG
GSH UAHeader — reporting station and UA: a routine pilot report.
OV GSHLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0126Reported at 01:26 UTC.
FL250Altitude: 25,000 ft MSL.
TP E75LAircraft type reporting.
TB NEGTurbulence: none reported.

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

Recent aviation weather trends at 81IN

From ATIS Alerts' hourly weather history.

Over the past 24 hours, the nearest station KOXI reported a mix of conditions, most often VFR across 71 observations, with 10 flight-category changes. The strongest gust reached 19 kt, the lowest ceiling was 500 ft. Wind most often came from the NW.

Last 24 hours
VFR 45%MVFR 39%IFR 15%
Wind avg/max: 8/15 kt
Max gust: 19 kt
Lowest ceiling: 500 ft
Lowest vis: —
Prevailing wind: NW
Category changes: 10

Most recent change: MVFR → VFR

Last 7 days
VFR 72%MVFR 15%IFR 2%LIFR 10%
Wind avg/max: 5/15 kt
Max gust: 19 kt
Lowest ceiling: 0 ft
Lowest vis: 0.25 sm
Prevailing wind: S
Category changes: 20

Most recent change: MVFR → VFR

Active Runway - past 30 days
04W/22W
100%

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Airport facts

Reference data from the OurAirports dataset.

Type
Seaplane base
FAA LID
01L
City
Winona
State
Indiana
Country
United States
Elevation
713 ft
Coordinates
41.2289, -86.5817
Runways
2
Longest runway
13,309 ft
Weather reporting
Nearest station KOXI
TAF
Nearest KSBN
Time zone
America/Indiana/Indianapolis
Next sunset
19h 1m

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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 →

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81IN weather — frequently asked

What runways are available at 81IN?+

81IN has 2 runways — 04W, 22W; the longest is 13,309 ft. This page computes the live crosswind for each runway end from the current wind.

Where does the weather shown for 81IN come from?+

Bass Lake Seaplane Base does not have its own weather station. Conditions shown here come from the nearest reporting station, KOXI, about 7 nm away — close enough for situational awareness, but local conditions at 81IN can differ.

Does 81IN have a TAF?+

No — 81IN does not publish its own TAF. The nearest TAF station is KSBN, about 31 nm away.

Does 81IN broadcast D-ATIS?+

No — 81IN does not broadcast D-ATIS. Alerts for 81IN from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.

Pilot PIREPs for Bass Lake Seaplane Base (81IN)

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 Bass Lake 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 81IN 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.

From the ATIS Alerts team

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