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Port Mackinaw City Arrived Departure Shipping companies Summary In port Expected arrivals In news

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 14 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.

Vessel photo of BRISTOL BAY (IMO 8635150)

US flag BRISTOL BAY

Vessel type: Tug | IMO: 8635150 | MMSI: MMSI: 366999978
Call sign: NRLY | Dimensions: 42 m x 12 m
Current Status

Where is the vessel?

BRISTOL BAY is currently in Near ST IGNACE, based on AIS data received less than 1h ago.

Latest AIS update:

Current position: 45.85525° N, 84.70227° W (Near ST IGNACE)

Average speed (last 7 days): Loading…

Average speed (last 30 days): Loading…

Vessel profile: BRISTOL BAY is a Tug with dimensions 42m 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 BRISTOL BAY is 45.85525 lat / -84.70227 lng. Updated: 2026-04-04 18:17:13 UTC
Nearest reference points:
  • Near Mackinaw City
  • Near Meldrum
  • Near Pentwater

Currently sailing under the flag of United States of America US flag

BRISTOL BAY built in 1979 year

Deadweight:
0 t

Details:

Live Vessel BRISTOL BAY Analytics (details, animations, etc.)


Recent AIS points (UTC):
2026-04-04 18:17:13 UTC · 45.85525, -84.70227 · SOG 0 kn · COG -1°

Track of the vessel in the last 60 days


Most frequent incoming origins

ST IGNACE · 1

Most frequent outgoing destinations

ST IGNACE · 1


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


Link to the map:

Find another ship

AI agent endpoints for this port

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 · 14 calls (93.3%)
Tug · 1 calls (6.7%)

Most frequent incoming origins

ST IGNACE · 1

Most frequent outgoing destinations

ST IGNACE · 1

Vessels currently in port

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

US flagBRISTOL BAY
Type: Tug | IMO: 8635150, MMSI: 366999978 | AIS: 2026-04-04 13:50:53 UTC
MMSI 993682316
Type: Unknown | IMO: 0, MMSI: 993682316 | AIS: 2026-04-04 13:50:50 UTC
US flag4
Type: Unknown | IMO: 0, MMSI: 993672143 | AIS: 2026-04-04 13:50:49 UTC
US flag5
Type: Unknown | IMO: 0, MMSI: 993672252 | AIS: 2026-04-04 13:50:41 UTC
US flag1
Type: Unknown | IMO: 0, MMSI: 993672140 | AIS: 2026-04-04 13:50:37 UTC
US flag2
Type: Unknown | IMO: 0, MMSI: 993672141 | AIS: 2026-04-04 13:50:29 UTC
US flag3
Type: Unknown | IMO: 0, MMSI: 993672142 | AIS: 2026-04-04 13:50:21 UTC
US flag3
Type: Unknown | IMO: 0, MMSI: 993682393 | AIS: 2026-04-04 13:50:05 UTC
US flag3
Type: Unknown | IMO: 0, MMSI: 993672251 | AIS: 2026-04-04 13:50:02 UTC
993663037
Type: Unknown | IMO: 0, MMSI: 993663037 | AIS: 2026-04-04 13:48:25 UTC
993663036
Type: Unknown | IMO: 0, MMSI: 993663036 | AIS: 2026-04-04 13:48:17 UTC
993663035
Type: Unknown | IMO: 0, MMSI: 993663035 | AIS: 2026-04-04 13:48:09 UTC
993663034
Type: Unknown | IMO: 0, MMSI: 993663034 | AIS: 2026-04-04 13:48:01 UTC
MMSI 368383460
Type: Unknown | IMO: 0, MMSI: 368383460 | AIS: 2026-04-03 18:00:21 UTC

Expected arrivals

Forecast from transitions and inferred destination signals.

No expected arrivals found for next 10 days.

Port in news

Mentions from Topos news feed and spotlights.

No recent port mentions found in Topos news/spotlights.


Find ship location on the map, vessel routs, position and coordinates


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