Cass Lake-Cove Island Seaplane Base (51MI) Area Aviation Weather & Runway Winds
Aviation weather near Cass Lake-Cove Island Seaplane Base in Pontiac, MI, decoded from the nearest reporting station (KPTK): conditions, runway crosswinds, and free Telegram airport alerts.
Cass Lake-Cove Island Seaplane Base (51MI) is a seaplane base in Pontiac, MI. 51MI has no weather station of its own. Conditions here are decoded from KPTK, about 4 nm away, the nearest reporting station, and local conditions can differ. Its 2 runways (09, 27), longest 2,000 ft, are checked against the current wind in the crosswind table below. The nearest TAF is issued for KPTK. Track it in the ATIS Alerts Telegram bot to get alerts read from KPTK, the station this page is based on.
No weather station at this airport: showing the nearest station KPTK, 4.1 nm away.
Wind from the west-northwest (290°) at 7 kt, visibility 10+ statute miles, broken clouds at 4,200 ft, broken clouds at 4,900 ft, overcast at 6,000 ft, temperature 21°C (70°F), altimeter 29.91 inHg. Conditions are Visual Flight Rules (VFR), ceiling 4,200 ft.
METAR KPTK 130853Z AUTO 29007KT 10SM BKN042 BKN049 OVC060 21/20 A2991 RMK AO2 SLP122 T02110200 55001
What changed at KPTK (nearest station)?
Since the 0753Z (3:53 AM EDT) report, compared automatically against the latest METAR.
- Ceiling moved from 5,500 ft to 4,200 ft.
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Current pilot readout for 51MI
Based on the nearest station (KPTK), 51MI is currently VFR with winds from 290° at 7 knots, visibility 10+ statute miles, and a 4,200 ft ceiling. The strongest crosswind component is currently on runway 09, about 7 knots. Density altitude is approximately 1,950 ft (field elevation 990 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 →
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Track 51MI 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 51MI. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 09FAV | 2,000 ft | WATER | 2 kt head | 7 kt left |
| 27 | 2,000 ft | WATER | 2 kt head | 7 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 3→7 kt, ceiling unlimited → 4,200 ft.
51MI weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Cass Lake-Cove Island Seaplane Base in Pontiac, MI: 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 51MI 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.
Pilot reports (PIREPs) within 100 NM of 51MI
Reported by pilots in flight over the past 6 hours, via aviationweather.gov.
Show raw report
DTW UA /OV 12 MILE FINAL/TM 0932/FL032/TP B753/SK CLR/TB SMOOTH RIDE
DTW UAHeader: reporting station and UA: a routine pilot report.OV 12 MILE FINALLocation: fix or navaid, optionally with a radial and distance in NM.TM 0932Reported at 09:32 UTC.FL032Altitude: 3,200 ft MSL.TP B753Aircraft type reporting.SK CLRSky condition: cloud bases and tops in hundreds of feet MSL.TB SMOOTH RIDETurbulence: smooth ride.Show raw report
DTW UA /OV DXO/TM 0833/FL390/TP A21N/TB CONS LGT OCNL MOD CHOP 390/RM ZOB
DTW UAHeader: reporting station and UA: a routine pilot report.OV DXOLocation: fix or navaid, optionally with a radial and distance in NM.TM 0833Reported at 08:33 UTC.FL390Altitude: 39,000 ft MSL.TP A21NAircraft type reporting.TB CONS LGT OCNL MOD CHOP 39…Turbulence: continuous light occasional moderate chop 390.RM ZOBRemarks.Show raw report
DTW UA /OV RWY 22L FINAL/TM 0541/FLDURD/TP A20N/WX FIELD IN SIGHT 15 MILES OUT AND 040
DTW UAHeader: reporting station and UA: a routine pilot report.OV RWY 22L FINALLocation: fix or navaid, optionally with a radial and distance in NM.TM 0541Reported at 05:41 UTC.FLDURDReported during descent.TP A20NAircraft type reporting.WX FIELD IN SIGHT 15 MILES O…Weather and flight visibility observed.⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.
Recent aviation weather trends at 51MI
From ATIS Alerts' hourly weather history.
Over the past 24 hours, the nearest station KPTK reported mostly VFR across 29 observations, with 4 flight-category changes. The strongest gust reached 16 kt, the lowest ceiling was 1,600 ft. Wind most often came from the S.
Most recent change: MVFR → VFR
Most recent change: MVFR → VFR
- 09/27
- 100%
TAF | Terminal Aerodrome Forecast
Issued 0520Z (1:20 AM EDT)
TAF KPTK 130520Z 1306/1406 25007KT P6SM BKN050 FM130800 28007KT P6SM BKN045 FM131200 33005KT P6SM BKN025 FM131400 36006KT P6SM BKN040 FM131800 30012G20KT P6SM SCT040 BKN100 FM140000 31008KT P6SM SCT100
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Airport facts
Reference data from the OurAirports dataset.
- Type
- Seaplane base
- FAA LID
- 51MI
- City
- Pontiac
- State
- Michigan
- Country
- United States
- Elevation
- 990 ft
- Coordinates
- 42.6161, -83.3560
- Runways
- 2
- Longest runway
- 2,000 ft
- Weather reporting
- Nearest station KPTK
- TAF
- Nearest KPTK
- Time zone
- America/Detroit
- Next sunset
- 14h 5m
Run a flight school, FBO, or club here? Embed 51MI's live status on your website, free →
Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
8 airports+2 more within 25 NM
25–50 NM
8 airports+2 more within 50 NM
50–100 NM
8 airports+2 more within 100 NM
RC flying fields nearby
AMA model-aircraft club fields around this airport: live wind, crosswind & flyability on each page.
- UWM Sports Complex - Reimagine Recreation , Pontiac, MI · 5 mi
- UWM Sports Complex - Reimagine Recreation , Pontiac, MI · 5 mi
- Pontiac Miniature Aircraft Club - White Lake Rd , White Lake, MI · 8 mi
51MI weather: frequently asked
What runways are available at 51MI?+
51MI has 2 runways: 09, 27; the longest is 2,000 ft. This page computes the live crosswind for each runway end from the current wind.
Where does the weather shown for 51MI come from?+
Cass Lake-Cove Island Seaplane Base does not have its own weather station. Conditions shown here come from the nearest reporting station, KPTK, about 4 nm away, close enough for situational awareness, but local conditions at 51MI can differ.
Does 51MI have a TAF?+
Yes. The KPTK TAF is shown on this page below the current conditions.
Does 51MI broadcast D-ATIS?+
No. 51MI does not broadcast D-ATIS. Alerts for 51MI from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.
Pilot PIREPs for Cass Lake-Cove Island Seaplane Base (51MI)
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 Cass Lake-Cove Island 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 51MI 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.
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⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
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