wxdecoder
0G5

Grand Marais/Cook County Seaplane Base

Grand Marais, MinnesotaElevation 1,635 ftSeaplane base

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RUNWAYS

Runway detail & declared distances

2 runways · longest 15,000 ft

09W/27W
Dimensions
15,000 x 1,500 ft
Surface
Water
RWY 09W
RWY 27W
03W/21W
Dimensions
3,000 x 2,000 ft
Surface
Water
RWY 03W
RWY 21W

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

AIRPORT INFORMATION

Facility & services

Grand Marais/Cook County Seaplane Base is in Grand Marais, Minnesota. Field elevation 1,635 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPublicly owned
UseOpen to the public
TypeSeaplane base
ManagerRODNEY ROY
Manager phone218-387-3024
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATA0G5
SectionalGREEN BAY
Center (ARTCC)MINNEAPOLIS
Flight service (AFSS)PRINCETON
RegionMinnesota
CountryUnited States
Coordinates47.8263, -90.3835
Distance from city6 NM NW
SERVICES & LIGHTING
Control towerNon-towered
CTAF122.800
UNICOM122.800
FREQUENCIES

Communications

122.800
CTAF
CTAF
122.800
UNICOM
UNICOM

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRPORT REMARKS

Operational remarks

›CUSTOMS AVBL, MAY-OCT; CALL 218-475-2244.
›FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.
›AFTER HOURS CONTACT 218-387-2012
›ESTABLISHED PRIOR TO 1959
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗Official airport website
↗Wikipedia
↗0G5 on OurAirports
FREQUENTLY ASKED
Does 0G5 have a METAR?
No on-field METAR is issued for 0G5. This page uses the nearest reporting station as a reference.
Does 0G5 have a TAF?
No TAF is issued directly for 0G5. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 0G5?
0G5 sits at 1,635 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 0G5?
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.