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Port Mackinaw City

Where is the Port?
MACKINAW CITY is located near the monitored sea lanes. The official UN/LOCODE of this port is USKWY.

How many vessels are in Mackinaw City port?
There are currently 32 vessels in port and 21 vessels recently departed.

Port map updates in near real-time from AIS snapshots and route transitions. Use the vessel-type filters and names toggle in the map control.

US flag John J Boland

Vessel type: Self Discharging Bulk Carrier | IMO: 7318901 | MMSI: MMSI: 366938780
Call sign: WZE4539 | Dimensions: 203 m x 12 m
Current Status

Where is the vessel?

John J Boland is currently in 15 nm SE of Garden, based on AIS data received about 15h ago.

Latest AIS update:

Current position: 45.67170° N, 86.22760° W (15 nm SE of Garden)

Average speed (last 7 days): Loading…

Average speed (last 30 days): Loading…

Vessel profile: John J Boland is a Self Discharging Bulk Carrier with dimensions 203m x 12m.

This page combines live AIS, route history, probable destination signals, nearby traffic, and port activity for practical vessel monitoring.

The current position of vessel John J Boland is 45.67170 lat / -86.22760 lng. Updated: 2026-06-08 01:49:47 UTC
More recent position available: 20 min ago
Free positions are delayed by 14 hours.

We recommend registering. If you register, paid vessel access will be saved in your profile. Guest access works only through a personal link.

Nearest reference points:
  • 12 nm NE of Brussels
  • Near Mackinaw City
  • Near Pentwater

Currently sailing under the flag of USA US flag

John J Boland built in 1973 year

Deadweight:
33438 t

Details:

Live Vessel John J Boland Analytics (details, animations, etc.)


Recent AIS points (UTC):
2026-06-07 23:07:37 UTC · 45.57740, -86.43524 · SOG 3.5 kn · COG 56°
2026-06-08 00:22:27 UTC · 45.61909, -86.33938 · SOG 3.8 kn · COG 54°
2026-06-08 01:28:19 UTC · 45.65803, -86.25360 · SOG 3.7 kn · COG 47°
2026-06-08 01:49:47 UTC · 45.67170, -86.22760 · SOG 3.7 kn · COG 46°

Track of the vessel in the last 60 days


Most frequent incoming origins

Most frequent outgoing destinations



You can see routes between ports on port-to-port analytics.


Link to the map:


Find another ship

Recent vessel arrivals at the port

Latest available transitions/port-call records (UTC). Total: 21
2025-09-15 12:43 UTC · MARQUETTE II
IMO: 0, MMSI: 367031360 | Type:
2025-09-15 12:43 UTC · 993663034
IMO: 0, MMSI: 993663034 | Type:
2025-09-15 12:43 UTC · 993663037
IMO: 0, MMSI: 993663037 | Type:
2025-09-15 12:43 UTC · 993663035
IMO: 0, MMSI: 993663035 | Type:
2025-09-15 12:43 UTC · 993663036
IMO: 0, MMSI: 993663036 | Type:
2025-09-15 12:43 UTC · CG BISCAYNE BAY
IMO: 0, MMSI: 366999980 | Type:
2025-09-15 12:43 UTC · MISS MARGY
IMO: 0, MMSI: 367721890 | Type:
2025-09-15 12:43 UTC · WYANDOT
IMO: 0, MMSI: 367721870 | Type:
2025-09-15 12:43 UTC · CAPT. SHEPLER
IMO: 0, MMSI: 367721930 | Type:
2025-09-08 22:20 UTC · US flagMEREDITH ASHTON
IMO: 8964460, MMSI: 366988420 | Type: Tug
2025-09-08 22:20 UTC · 993663037
IMO: 0, MMSI: 993663037 | Type:
2025-09-08 19:23 UTC · WYANDOT
IMO: 0, MMSI: 367721870 | Type:
2025-09-08 18:22 UTC · NAVIGATOR
IMO: 0, MMSI: 367652840 | Type:
2025-09-08 18:22 UTC · US flagDefiance
IMO: 8109761, MMSI: 367511590 | Type: Pusher Tug
2025-09-08 18:22 UTC · THE HOPE
IMO: 0, MMSI: 367721960 | Type:
2025-09-08 16:20 UTC · ANNA MAY
IMO: 0, MMSI: 367534580 | Type:
2025-09-08 16:20 UTC · CAPT. SHEPLER
IMO: 0, MMSI: 367721930 | Type:
2025-09-06 00:02 UTC · MARQUETTE II
IMO: 0, MMSI: 367031360 | Type:
2025-09-06 00:02 UTC · MISS MARGY
IMO: 0, MMSI: 367721890 | Type:
2025-09-06 00:02 UTC · STRAITS OF MACKINAC2
IMO: 0, MMSI: 367783160 | Type:
2025-09-06 00:02 UTC · CG BISCAYNE BAY
IMO: 0, MMSI: 366999980 | Type:

Recent vessel departures from the port

Latest available transitions/port-call records (UTC). Total: 21
2025-09-15 12:43 UTC · MARQUETTE II
IMO: 0, MMSI: 367031360 | Type:
2025-09-15 12:43 UTC · 993663034
IMO: 0, MMSI: 993663034 | Type:
2025-09-15 12:43 UTC · 993663037
IMO: 0, MMSI: 993663037 | Type:
2025-09-15 12:43 UTC · 993663035
IMO: 0, MMSI: 993663035 | Type:
2025-09-15 12:43 UTC · 993663036
IMO: 0, MMSI: 993663036 | Type:
2025-09-15 12:43 UTC · CG BISCAYNE BAY
IMO: 0, MMSI: 366999980 | Type:
2025-09-15 12:43 UTC · MISS MARGY
IMO: 0, MMSI: 367721890 | Type:
2025-09-15 12:43 UTC · WYANDOT
IMO: 0, MMSI: 367721870 | Type:
2025-09-15 12:43 UTC · CAPT. SHEPLER
IMO: 0, MMSI: 367721930 | Type:
2025-09-08 22:20 UTC · US flagMEREDITH ASHTON
IMO: 8964460, MMSI: 366988420 | Type: Tug
2025-09-08 22:20 UTC · 993663037
IMO: 0, MMSI: 993663037 | Type:
2025-09-08 19:23 UTC · WYANDOT
IMO: 0, MMSI: 367721870 | Type:
2025-09-08 18:22 UTC · NAVIGATOR
IMO: 0, MMSI: 367652840 | Type:
2025-09-08 18:22 UTC · US flagDefiance
IMO: 8109761, MMSI: 367511590 | Type: Pusher Tug
2025-09-08 18:22 UTC · THE HOPE
IMO: 0, MMSI: 367721960 | Type:
2025-09-08 16:20 UTC · ANNA MAY
IMO: 0, MMSI: 367534580 | Type:
2025-09-08 16:20 UTC · CAPT. SHEPLER
IMO: 0, MMSI: 367721930 | Type:
2025-09-06 00:02 UTC · MARQUETTE II
IMO: 0, MMSI: 367031360 | Type:
2025-09-06 00:02 UTC · MISS MARGY
IMO: 0, MMSI: 367721890 | Type:
2025-09-06 00:02 UTC · STRAITS OF MACKINAC2
IMO: 0, MMSI: 367783160 | Type:
2025-09-06 00:02 UTC · CG BISCAYNE BAY
IMO: 0, MMSI: 366999980 | Type:

Shipping companies (lines) whose ships most often called at the port Mackinaw City:

No companies linked yet.

Port summary

Port congestion score

Loading congestion data…

Vessel type distribution for the last 3 months:

Unknown · 29 calls (87.9%)
Navigation Aid · 1 calls (3%)
Passenger · 1 calls (3%)
Port Tender · 1 calls (3%)
Self Discharging Bulk Carrier · 1 calls (3%)

Most frequent incoming origins

Most frequent outgoing destinations


Vessels currently in port

Detected by latest AIS in the extended port area, latest 72 hours (deduplicated by vessel).

OTTAWA
Type: Unknown | IMO: 0, MMSI: 367782080 | AIS: 2026-06-08 15:19:52 UTC
368165150
Type: Unknown | IMO: 0, MMSI: 368165150 | AIS: 2026-06-08 14:28:56 UTC
WYANDOT
Type: Unknown | IMO: 0, MMSI: 367721870 | AIS: 2026-06-08 14:28:52 UTC
CAPT. SHEPLER
Type: Unknown | IMO: 0, MMSI: 367721930 | AIS: 2026-06-08 14:28:52 UTC
MARQUETTE II
Type: Unknown | IMO: 0, MMSI: 367031360 | AIS: 2026-06-08 12:44:23 UTC
368041190
Type: Unknown | IMO: 0, MMSI: 368041190 | AIS: 2026-06-08 12:43:06 UTC
US flagMAVERICK
Type: Passenger | IMO: 0, MMSI: 368383460 | AIS: 2026-06-08 12:43:00 UTC
CORSAIR
Type: Unknown | IMO: 0, MMSI: 367706320 | AIS: 2026-06-08 11:21:43 UTC
US flag5
Type: Unknown | IMO: 0, MMSI: 993672252 | AIS: 2026-06-08 09:41:05 UTC
US flag4
Type: Unknown | IMO: 0, MMSI: 993672143 | AIS: 2026-06-08 09:41:02 UTC
US flag1
Type: Unknown | IMO: 0, MMSI: 993672140 | AIS: 2026-06-08 09:41:01 UTC
Sam-Laud
Type: Self Discharging Bulk Carrier | IMO: 7390210, MMSI: 366938760 | AIS: 2026-06-08 09:41:01 UTC
UGLE DUCKLING
Type: Unknown | IMO: 0, MMSI: 338158987 | AIS: 2026-06-08 09:40:59 UTC
CA flagRobert-S.-Pierson
Type: Self Discharging Bulk Carrier | IMO: 7366403, MMSI: 316011905 | AIS: 2026-06-08 09:40:58 UTC
US flagJohn-J-Boland
Type: Self Discharging Bulk Carrier | IMO: 7318901, MMSI: 366938780 | AIS: 2026-06-08 09:40:58 UTC
ANNA MAY
Type: Unknown | IMO: 0, MMSI: 367534580 | AIS: 2026-06-08 09:40:58 UTC
US flag2
Type: Unknown | IMO: 0, MMSI: 993672141 | AIS: 2026-06-08 09:40:53 UTC
US flag3
Type: Unknown | IMO: 0, MMSI: 993672142 | AIS: 2026-06-08 09:40:45 UTC
US flag3
Type: Unknown | IMO: 0, MMSI: 993672251 | AIS: 2026-06-08 09:40:37 UTC
PASSAGE
Type: Unknown | IMO: 0, MMSI: 367601770 | AIS: 2026-06-08 09:40:37 UTC
US flag3
Type: Unknown | IMO: 0, MMSI: 993682393 | AIS: 2026-06-08 09:40:29 UTC
US flag2
Type: Navigation Aid | IMO: 0, MMSI: 993682316 | AIS: 2026-06-08 09:40:17 UTC
CG BISCAYNE BAY
Type: Unknown | IMO: 0, MMSI: 366999980 | AIS: 2026-06-08 09:40:11 UTC
CASH FLOW
Type: Unknown | IMO: 0, MMSI: 338327671 | AIS: 2026-06-08 09:39:51 UTC
993663037
Type: Unknown | IMO: 0, MMSI: 993663037 | AIS: 2026-06-08 09:39:29 UTC
993663036
Type: Unknown | IMO: 0, MMSI: 993663036 | AIS: 2026-06-08 09:39:21 UTC
993663035
Type: Unknown | IMO: 0, MMSI: 993663035 | AIS: 2026-06-08 09:39:21 UTC
993663034
Type: Unknown | IMO: 0, MMSI: 993663034 | AIS: 2026-06-08 09:39:05 UTC
MMSI 367496570
Type: Unknown | IMO: 0, MMSI: 367496570 | AIS: 2026-06-08 03:49:25 UTC
THE HOPE
Type: Unknown | IMO: 0, MMSI: 367721960 | AIS: 2026-06-07 20:22:00 UTC
TINMAN
Type: Unknown | IMO: 0, MMSI: 368151560 | AIS: 2026-06-07 03:56:29 UTC
NO flagZODIAC 23
Type: Pleasure Craft | IMO: 0, MMSI: 982570223 | AIS: 2026-06-06 21:36:46 UTC

Expected arrivals

Forecast from transitions and inferred destination signals.


Port in news

Mentions from Topos news feed and spotlights.