Gunflint Lodge Seaplane Base
M56 · Grand Marais, MN · Non-towered · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-11-07 · night begins 05:09 PM
| Event | Local (CST) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:24 AM | 12:24Z |
| Sunrise | 06:57 AM | 12:57Z |
| Sunset | 04:36 PM | 22:36Z |
| Evening civil twilight Loggable night begins | 05:09 PM | 23:09Z |
Plan a flight from M56
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
NOTAMs · Loading NOTAMs…
Pilot reports · Loading PIREPs…
Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 08W/26W | 6,000 ft |
Prefer one flat page? Full runway details for M56 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the M56 kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Prefer one flat list? All M56 frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- M56
- Coordinates
- 48.0853, -90.7503
- Elevation
- 1,545 ft MSL
- Sectional chart
- GREEN BAY
- Airport use
- Public
- Control tower
- No
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- PRINCETON · 122.2 · 1-800-WX-BRIEF
- NOTAM facility
- PNM
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 2023/11
- Distance from city
- 26 NW
Night operations
- Pilot-controlled lighting
- Usually keyed on CTAF 122.9 — confirm the click sequence in the Chart Supplement ↗
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns
Ownership & management 2 contacts
Nearby airports
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Also nearby: 83MN Loon Lake (private) (2 NM) · 0G5 Grand Marais/Cook County (21 NM) · 6MY8 USFS (private) (47 NM) · 73MN Eagles Nest 4 (private) (55 NM)
About M56
Gunflint Lodge (M56) is a seaplane base in Grand Marais, MN, at 1,545 ft MSL. It has 1 runway, the longest 6,000 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for M56, refreshed from the Aviation Weather Center and FAA NASR.
Does M56 have a control tower?
No. Gunflint Lodge is a non-towered (pilot-controlled) seaplane base; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at M56?
Gunflint Lodge has 1 runway; the longest is 6,000 ft. See the Runways section for headings, surface, and lighting.
Where is M56?
Gunflint Lodge is in Grand Marais, MN, at an elevation of 1,545 ft MSL. Coordinates: 48.0853, -90.7503.
More about M56
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open M56 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.
Something here wrong or out of date? Report a data problem.