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Port of Mackinac Island

United States

UN/LOCODEUSMCDWhat is a UN/LOCODE?45.85° N, 84.6167° WLocal timeAmerica/Detroit, UTC-4
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In short

Mackinac Island: no ships detected in port from AIS in the last 3 days (as of Oct 1, 2026, 19:48 UTC). Coverage depends on AIS reception in the area.

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In port now
0
Arrivals, last 24 h
0
Departures, last 24 h
0
Ships nearby, last 6 h
0

Vessels near Mackinac Island

Ships Seadar received on AIS near the port in the last 6 hours, most recent first. Being near a port is not a port call; the board above lists calls.

No vessels detected near Mackinac Island in the last 6 hours. As our AIS coverage grows, arrivals and departures will appear here live.

Harbour & facilities

Harbour particulars for Mackinac Island from the NGA World Port Index (WPI port no. 4530). Depths in metres as charted by NGA.

Harbour size
Very small
Harbour type
Coastal (breakwater)
Shelter
Fair
Channel depth
8 m
Anchorage depth
8 m
Cargo pier depth
3 m
Pilotage compulsory
Yes
First port of entry
Yes

Source: NGA World Port Index (Pub. 150). Licence: US Government public domain.

Not for navigation.

Forecast

Model forecast for Mackinac Island over the next 72 hours, every 6 hours: wind, gusts, waves and visibility. Times in UTC.

Time (UTC)Wind (kn)FromGusts (kn)Waves (m)Period (s)Visibility (km)
7265°120.2224
11314°160.4324
10297°150.4324
10307°160.5324
12301°200.4324
10317°160.5324
6314°100.3224
3340°70.2224
5109°120.1224
6114°100.2224

Forecast: ECMWF IFS 0.25° + ECMWF WAM, run of Oct 1, 2026, 00:00 UTC. Visibility: NOAA GFS 0.25° + GFS-Wave (WAVEWATCH III), run of Oct 1, 2026, 12:00 UTC. Waves are taken from the wave model's nearest sea point, 14 km away.

Source: ECMWF open data (IFS 0.25° forecasts, ECMWF WAM waves). This service is based on data and products of the European Centre for Medium-Range Weather Forecasts (ECMWF). Source: www.ecmwf.int. Licence: CC BY 4.0. Licence: CC-BY-4.0 + ECMWF Terms of Use.

Source: NOAA GFS 0.25° and GFS-Wave (WAVEWATCH III) forecasts. Forecast: NOAA NCEP GFS / GFS-Wave (WAVEWATCH III). Licence: US Government work (public domain); NOAA Open Data Dissemination.

A model forecast, not an observation. Not for navigation.

Marine conditions near Mackinac Island

Live wind, waves and water temperature from nearby NOAA buoys and tide gauges — free government data the incumbents charge for.

Buoy MACM4 · 14.1 kmobserved
Water temp
16.2°C (61°F)
Air temp
18.3°C (65°F)
Wind
8 kn @ 270°
Waves
—

Weather buoys

Tide gauges

Source: NOAA National Data Buoy Center & CO-OPS Tides & Currents — public domain.

Recent arrivals & departures AIS-detected

VesselArrivedDeparted
United States AMERICAN PATRIOTPassenger

Marine accidents investigated nearby Authority-reported

10 accidents and incidents within 100 km of the port in the published records of national accident-investigation boards since Jan 5, 2014, located where the board states a position. The most recent:

Source: NTSB marine investigations (CAROL). Courtesy: National Transportation Safety Board. Licence: US Government work (17 U.S.C. §105), public domain.

Tools for this port

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