WxDecoder

0G5 Weather Grand Marais/Cook County Seaplane Base

Grand Marais, MinnesotaElevation 1,635 ftSeaplane base
OFF-FIELD REFERENCE
Nearest report: KCKC · 1 NM N · 5 min old
No ceiling, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KCKC
WIND
Calm
no steady wind
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports wind from 360° at 6 kt, visibility 10 SM, temperature 0C. Treat this as supplemental, not an aviation observation. Forecast suggests monday mostly sunny, high near 42F, low near 29F, 5% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Monday Mostly Sunny 42/29 NE 4 kt – 5%
Tuesday Rain 46/37 SE 9 kt 22 kt 90%
Wednesday Slight Chance Light Rain then Chance Rain Showers 56/37 SW 4 kt – 62%
Thursday Sunny 53/31 W 4 kt 17 kt 12%
Friday Mostly Sunny 50/31 NW 4 kt – 11%
Saturday Chance Rain Showers 50/36 SE 4 kt – 39%
Sunday Chance Rain Showers 53 W 4 kt – 32%

Source: National Weather Service (office DLH). Forecast issued 0919Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND
Crosswind calculator
No runway layout is available for 0G5. Enter a runway number or heading to estimate wind components.
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.

FIELD CONDITIONS

Field elevation

Field elevation
1,635 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2255Z 5:55 PM
Sunrise
1236Z 7:36 AM
Loggable night
2327Z (6:27 PM local) → 1204Z (7:04 AM local)
end of evening to start of morning civil twilight
Position lights required
2255Z (5:55 PM local) → 1236Z (7:36 AM local)
sunset to sunrise (91.209)
Night passenger currency
2355Z (6:55 PM local) → 1136Z (6:36 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

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.

AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

0G5 has no on-field report. Nearest reporting station: KCKC (1 NM N, VFR).

KCKC Grand Marais Cook County Airport
1 NM N
VFR
CYQT Thunder Bay International Airport
54 NM NE
VFR
KELO Ely Municipal Airport
58 NM W
VFR
KIWD Gogebic Iron County Airport
79 NM S
VFR
KASX John F Kennedy Memorial Airport
80 NM S
VFR
KCMX Houghton County Memorial Airport
86 NM SE
VFR
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.