Cass Lake-Cove Island Seaplane Base (51MI) Area Aviation Weather & Runway Winds
As of 2:53 PM EDT, Oct 28, based on the nearest station (KPTK), 51MI is currently VFR with winds from 210° at 5 knots, visibility 10+ statute miles, and no ceiling reported.
Aviation weather near Cass Lake-Cove Island Seaplane Base in Pontiac, MI, decoded from the nearest reporting station (KPTK): conditions and runway crosswinds.
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. It has one runway (09/27), the longest 2,000 ft. The nearest TAF is issued for KPTK.
No weather station at this airport: showing the nearest station KPTK, 4.1 nm away.
Wind from the south-southwest (210°) at 5 kt, visibility 10+ statute miles, a few clouds at 5,500 ft, temperature 22°C (72°F), altimeter 30.20 inHg. Conditions are Visual Flight Rules (VFR).
METAR KPTK 281853Z COR 21005KT 10SM FEW055 22/09 A3020 RMK AO2 SLP227 T02220089
What changed at KPTK (nearest station)?
Since the 1753Z (1:53 PM EDT) report, compared automatically against the latest METAR.
- Pressure falling: altimeter 30.22 → 30.20 inHg.
Current pilot readout for 51MI
Based on the nearest station (KPTK), 51MI is currently VFR with winds from 210° at 5 knots, visibility 10+ statute miles, and no ceiling reported. the wind favors west-facing runway ends (27). Density altitude is approximately 1,750 ft (field elevation 990 ft). Review the latest TAF below for forecast changes before departure.
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.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 27FAV | 2,000 ft | WATER | 3 kt head | 4 kt left |
| 09 | 2,000 ft | WATER | 3 kt tail | 4 kt right |
Open the crosswind calculator to try your own wind and runway numbers →
51MI 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.
- Status not monitoredRunway 09/272,000 × 100 ft · WATERCurrent useno stated-runway source at 51MIWind
- 09
- 3 kt tailwind · 4 kt crosswind from right
- 27
- 3 kt headwind · 4 kt crosswind from left
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.
Over the last 23 h: wind 5→5 kt, ceiling 7,000 ft → unlimited.
51MI 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 51MI
Reported by pilots in flight over the past 6 hours, via aviationweather.gov.
Show raw report
PCW UA /OV PCW /TM 1627 /FLUNKN /TP UNKN /RM PILOT OG PCW NOT SEEING HZ AS REPORTED ON METAR
PCW UAHeader: reporting station and UA: a routine pilot report.OV PCWLocation: fix or navaid, optionally with a radial and distance in NM.TM 1627Reported at 16:27 UTC.FLUNKNAltitude unknown.TP UNKNAircraft type reporting.RM PILOT OG PCW NOT SEEING H…Remarks.Show raw report
DTW UA /OV SVM26002/TM 1500/FL110/TP C310/WX VMC/IC NEG/RM LEVEL
DTW UAHeader: reporting station and UA: a routine pilot report.OV SVM26002Location: fix or navaid, optionally with a radial and distance in NM.TM 1500Reported at 15:00 UTC.FL110Altitude: 11,000 ft MSL.TP C310Aircraft type reporting.WX VMCWeather and flight visibility observed.IC NEGIcing: none reported.RM LEVELRemarks.⚠️ 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 24 observations, with 0 flight-category changes. The lowest ceiling was 7,000 ft. Wind most often came from the SE.
Most recent change: MVFR → VFR
Share of hours each runway had the most headwind. From wind reports, not ATC assignments.
- 27
- 64%
- 09
- 36%
TAF | Terminal Aerodrome Forecast
Issued 1733Z (1:33 PM EDT)
TAF KPTK 281733Z 2818/2918 21005KT P6SM SKC FM290700 19007KT P6SM FEW080 SCT250 FM291300 22010KT P6SM SCT040 BKN080 OVC120
New to TAFs? How to read one →
Get 51MI weather alerts in Telegram
Stop refreshing aviation weather manually. Track 51MI 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 51MI free on TelegramNo live weather from 51MI
Live crosswind meter
51MI has no weather feed online, so the wind comes from KPTK, 4.1 nm away.
Wind is 54° off runway 27, the end with the most headwind right now.
Have a weather station at 51MI? Help us make your field's weather available to every pilot, free. Add your field's wx station →Water · 2,000 ft. Headings from FAA runway data. Not for navigation.
Field aerial
North up
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
- Control tower
- None
Airport
- Type
- Seaplane base
- FAA LID
- 51MI
- City
- Pontiac
- State
- Michigan
- Country
- United States
- Elevation
- 990 ft
- Coordinates
- 42.6161, -83.3560
- Runways
- 1 physical runway · 2 runway ends
- Longest runway
- 2,000 ft
- Weather reporting
- Nearest station KPTK
- TAF
- Nearest KPTK
- Time zone
- America/Detroit
- Sunset in
- 2h 52m
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
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.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
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