CML4 Weather Morrison Lake Seaplane Base

Gravenhurst, OntarioElevation 716 ftSeaplane base
OFF-FIELD REFERENCE
Nearest report: CYQA · 9 NM NE · 46 min old
No ceiling, visibility 9 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · CYQA
WIND
VRB@2
steady
VISIBILITY
9 SM
14.5 km
CEILING
None
no BKN/OVC layer

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RUNWAYS & WIND
Crosswind calculator
No runway layout is available for CML4. Enter a runway number or heading to estimate wind components.
FIELD CONDITIONS

Field elevation

Field elevation
716 ft MSL

Density and pressure altitude need a current temperature and altimeter from the METAR.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2215Z 6:15 PM
Sunrise
1148Z 7:48 AM
Loggable night
2245Z (6:45 PM local) → 1118Z (7:18 AM local)
end of evening to start of morning civil twilight
Position lights required
2215Z (6:15 PM local) → 1148Z (7:48 AM local)
sunset to sunrise (91.209)
Night passenger currency
2315Z (7:15 PM local) → 1048Z (6:48 AM local)
1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

Morrison Lake Seaplane Base is in Gravenhurst, Ontario. Field elevation 716 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
TypeSeaplane base
CHARTS & AIRSPACE
ICAO / IATACML4
RegionOntario
CountryCanada
Coordinates44.8705, -79.4610
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

CML4 has no on-field report. Nearest reporting station: CYQA (9 NM NE, VFR).

OFFICIAL LINKS & SOURCES
FREQUENTLY ASKED
Does CML4 have a METAR?
No on-field METAR is issued for CML4. This page uses the nearest reporting station as a reference.
Does CML4 have a TAF?
No TAF is issued directly for CML4. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at CML4?
CML4 sits at 716 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for CML4?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.