Fleet-matched vessel · United States flag
John G Munson
Great Lakes Fleet · Self-unloader · 234 m. Range: Lakes only. 419 recorded passages across 5 chokepoints.
Last recorded passage
westbound at Straits of Mackinac
27 Dec 2025, 19:39 EST — ±15 min · see the December 2025 log
Archive Record Scope: Transits shown are compiled from verified AIS records covering January 2024 through December 2025. For real-time satellite AIS tracking, check BoatNerd or VesselFinder links below.
FreighterLog is the record, not the map. For where John G Munson is right now, see BoatNerd's live AIS map, which runs on their own receivers on the lakes, or VesselFinder.
Follow by RSS. Every crossing John G Munson makes goes into a feed of her own, added when the next batch of the public AIS archive is processed. It is a file on this domain: no account, no email address, and nothing that reports back. John G Munson feed · all chokepoints
Specification
| Name (AIS) | JOHN G MUNSON |
|---|---|
| MMSI | 366971360 |
| IMO | IMO5173670 |
| Call sign | WDH7557 |
| Length overall | 234 m (768 ft) |
| Beam | 22 m (72 ft) |
| AIS vessel type | Cargo |
| Hull type | Self-unloader |
| Operator | Great Lakes Fleet |
| Flag | United States |
Passage record
- 419 Passages January 2024 – December 2025
- 5 Chokepoints of 7 monitored
- 3 Jan 2024 First in archive UTC date
- 28 Dec 2025 Last in archive UTC date
Where she was recorded
Season passage log
Local time at each chokepoint · grouped by month (UTC buckets)
Times are interpolated from AIS track samples, good to about fifteen minutes, and shown in each chokepoint's local time. A passage is a track crossing our gate line, not an official lock record.
2025 season
December 2025 18 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 27 Dec 2025 | 19:39 EST | Straits of Mackinac | westbound |
| 27 Dec 2025 | 11:25 EST | Soo Locks (St. Marys River) | downbound |
| 26 Dec 2025 | 07:04 CST | Duluth Ship Canal | outbound |
| 25 Dec 2025 | 19:44 CST | Duluth Ship Canal | inbound |
| 24 Dec 2025 | 04:02 EST | Soo Locks (St. Marys River) | upbound |
| 23 Dec 2025 | 19:45 EST | Straits of Mackinac | eastbound |
| 21 Dec 2025 | 11:38 EST | Straits of Mackinac | westbound |
| 18 Dec 2025 | 12:48 EST | Soo Locks (St. Marys River) | downbound |
| 15 Dec 2025 | 11:10 EST | Soo Locks (St. Marys River) | upbound |
| 15 Dec 2025 | 03:37 EST | Straits of Mackinac | eastbound |
| 12 Dec 2025 | 12:27 EST | Straits of Mackinac | westbound |
| 12 Dec 2025 | 04:41 EST | Soo Locks (St. Marys River) | downbound |
| 9 Dec 2025 | 04:11 EST | Soo Locks (St. Marys River) | upbound |
| 8 Dec 2025 | 08:33 EST | Port Huron / Blue Water Bridge | upbound |
| 8 Dec 2025 | 03:08 EST | Detroit River / Ambassador Bridge | upbound |
| 3 Dec 2025 | 18:27 EST | Detroit River / Ambassador Bridge | downbound |
| 3 Dec 2025 | 12:45 EST | Port Huron / Blue Water Bridge | downbound |
| 2 Dec 2025 | 13:46 EST | Soo Locks (St. Marys River) | downbound |
November 2025 22 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 29 Nov 2025 | 15:36 EST | Soo Locks (St. Marys River) | upbound |
| 28 Nov 2025 | 18:17 EST | Port Huron / Blue Water Bridge | upbound |
| 28 Nov 2025 | 12:12 EST | Detroit River / Ambassador Bridge | upbound |
| 25 Nov 2025 | 04:23 EST | Detroit River / Ambassador Bridge | downbound |
| 24 Nov 2025 | 23:13 EST | Port Huron / Blue Water Bridge | downbound |
| 24 Nov 2025 | 02:26 EST | Soo Locks (St. Marys River) | downbound |
| 20 Nov 2025 | 16:17 EST | Soo Locks (St. Marys River) | upbound |
| 20 Nov 2025 | 09:03 EST | Straits of Mackinac | eastbound |
| 18 Nov 2025 | 01:17 EST | Straits of Mackinac | westbound |
| 17 Nov 2025 | 17:44 EST | Soo Locks (St. Marys River) | downbound |
| 15 Nov 2025 | 11:43 CST | Duluth Ship Canal | outbound |
| 14 Nov 2025 | 18:13 CST | Duluth Ship Canal | inbound |
| 13 Nov 2025 | 15:46 EST | Soo Locks (St. Marys River) | upbound |
| 11 Nov 2025 | 03:33 EST | Port Huron / Blue Water Bridge | upbound |
| 10 Nov 2025 | 15:03 EST | Detroit River / Ambassador Bridge | upbound |
| 9 Nov 2025 | 09:43 EST | Detroit River / Ambassador Bridge | downbound |
| 9 Nov 2025 | 04:09 EST | Port Huron / Blue Water Bridge | downbound |
| 8 Nov 2025 | 08:43 EST | Soo Locks (St. Marys River) | downbound |
| 6 Nov 2025 | 01:17 CST | Duluth Ship Canal | outbound |
| 5 Nov 2025 | 16:11 CST | Duluth Ship Canal | inbound |
| 4 Nov 2025 | 10:37 EST | Soo Locks (St. Marys River) | upbound |
| 1 Nov 2025 | 06:09 EDT | Straits of Mackinac | eastbound |
October 2025 25 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 29 Oct 2025 | 05:16 EDT | Straits of Mackinac | westbound |
| 28 Oct 2025 | 20:21 EDT | Soo Locks (St. Marys River) | downbound |
| 27 Oct 2025 | 12:22 CDT | Duluth Ship Canal | outbound |
| 27 Oct 2025 | 02:26 CDT | Duluth Ship Canal | inbound |
| 26 Oct 2025 | 00:38 EDT | Soo Locks (St. Marys River) | upbound |
| 25 Oct 2025 | 05:41 EDT | Port Huron / Blue Water Bridge | upbound |
| 25 Oct 2025 | 00:19 EDT | Detroit River / Ambassador Bridge | upbound |
| 24 Oct 2025 | 03:33 EDT | Detroit River / Ambassador Bridge | downbound |
| 23 Oct 2025 | 22:10 EDT | Port Huron / Blue Water Bridge | downbound |
| 23 Oct 2025 | 02:08 EDT | Soo Locks (St. Marys River) | downbound |
| 21 Oct 2025 | 05:59 CDT | Duluth Ship Canal | outbound |
| 19 Oct 2025 | 17:48 CDT | Duluth Ship Canal | inbound |
| 18 Oct 2025 | 15:21 EDT | Soo Locks (St. Marys River) | upbound |
| 17 Oct 2025 | 03:51 EDT | Straits of Mackinac | eastbound |
| 14 Oct 2025 | 05:26 EDT | Straits of Mackinac | westbound |
| 12 Oct 2025 | 15:54 CDT | Duluth Ship Canal | outbound |
| 12 Oct 2025 | 06:09 CDT | Duluth Ship Canal | inbound |
| 10 Oct 2025 | 23:30 EDT | Soo Locks (St. Marys River) | upbound |
| 10 Oct 2025 | 13:47 EDT | Straits of Mackinac | eastbound |
| 7 Oct 2025 | 23:03 EDT | Straits of Mackinac | westbound |
| 7 Oct 2025 | 15:19 EDT | Soo Locks (St. Marys River) | downbound |
| 5 Oct 2025 | 20:11 CDT | Duluth Ship Canal | outbound |
| 5 Oct 2025 | 02:03 CDT | Duluth Ship Canal | inbound |
| 3 Oct 2025 | 23:35 EDT | Soo Locks (St. Marys River) | upbound |
| 2 Oct 2025 | 16:45 EDT | Straits of Mackinac | eastbound |
September 2025 22 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 30 Sep 2025 | 09:30 EDT | Straits of Mackinac | westbound |
| 30 Sep 2025 | 01:24 EDT | Soo Locks (St. Marys River) | downbound |
| 28 Sep 2025 | 13:25 CDT | Duluth Ship Canal | outbound |
| 28 Sep 2025 | 02:43 CDT | Duluth Ship Canal | inbound |
| 26 Sep 2025 | 22:53 EDT | Soo Locks (St. Marys River) | upbound |
| 23 Sep 2025 | 00:20 EDT | Straits of Mackinac | westbound |
| 22 Sep 2025 | 16:27 EDT | Soo Locks (St. Marys River) | downbound |
| 21 Sep 2025 | 10:20 CDT | Duluth Ship Canal | outbound |
| 20 Sep 2025 | 10:29 CDT | Duluth Ship Canal | inbound |
| 18 Sep 2025 | 09:52 EDT | Soo Locks (St. Marys River) | upbound |
| 16 Sep 2025 | 21:30 EDT | Straits of Mackinac | eastbound |
| 14 Sep 2025 | 15:06 EDT | Straits of Mackinac | westbound |
| 14 Sep 2025 | 07:29 EDT | Soo Locks (St. Marys River) | downbound |
| 12 Sep 2025 | 03:34 CDT | Duluth Ship Canal | outbound |
| 11 Sep 2025 | 16:27 CDT | Duluth Ship Canal | inbound |
| 10 Sep 2025 | 14:31 EDT | Soo Locks (St. Marys River) | upbound |
| 9 Sep 2025 | 09:13 EDT | Straits of Mackinac | eastbound |
| 7 Sep 2025 | 02:11 EDT | Straits of Mackinac | westbound |
| 6 Sep 2025 | 18:05 EDT | Soo Locks (St. Marys River) | downbound |
| 2 Sep 2025 | 18:48 CDT | Duluth Ship Canal | outbound |
| 2 Sep 2025 | 00:32 CDT | Duluth Ship Canal | inbound |
| 31 Aug 2025 | 22:05 EDT | Soo Locks (St. Marys River) | upbound |
August 2025 24 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 30 Aug 2025 | 17:20 EDT | Straits of Mackinac | eastbound |
| 28 Aug 2025 | 00:25 EDT | Straits of Mackinac | westbound |
| 27 Aug 2025 | 16:52 EDT | Soo Locks (St. Marys River) | downbound |
| 25 Aug 2025 | 23:27 CDT | Duluth Ship Canal | outbound |
| 25 Aug 2025 | 10:10 CDT | Duluth Ship Canal | inbound |
| 24 Aug 2025 | 07:53 EDT | Soo Locks (St. Marys River) | upbound |
| 23 Aug 2025 | 04:24 EDT | Straits of Mackinac | eastbound |
| 20 Aug 2025 | 21:07 EDT | Straits of Mackinac | westbound |
| 20 Aug 2025 | 13:49 EDT | Soo Locks (St. Marys River) | downbound |
| 19 Aug 2025 | 06:36 CDT | Duluth Ship Canal | outbound |
| 18 Aug 2025 | 05:25 CDT | Duluth Ship Canal | inbound |
| 17 Aug 2025 | 01:13 EDT | Soo Locks (St. Marys River) | upbound |
| 15 Aug 2025 | 10:09 EDT | Straits of Mackinac | eastbound |
| 12 Aug 2025 | 17:14 EDT | Straits of Mackinac | westbound |
| 12 Aug 2025 | 09:32 EDT | Soo Locks (St. Marys River) | downbound |
| 10 Aug 2025 | 10:02 CDT | Duluth Ship Canal | outbound |
| 9 Aug 2025 | 21:22 CDT | Duluth Ship Canal | inbound |
| 8 Aug 2025 | 19:39 EDT | Soo Locks (St. Marys River) | upbound |
| 7 Aug 2025 | 18:37 EDT | Straits of Mackinac | eastbound |
| 5 Aug 2025 | 11:20 EDT | Straits of Mackinac | westbound |
| 5 Aug 2025 | 03:46 EDT | Soo Locks (St. Marys River) | downbound |
| 3 Aug 2025 | 11:56 CDT | Duluth Ship Canal | outbound |
| 2 Aug 2025 | 18:37 CDT | Duluth Ship Canal | inbound |
| 1 Aug 2025 | 12:23 EDT | Soo Locks (St. Marys River) | upbound |
July 2025 22 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 31 Jul 2025 | 04:29 EDT | Straits of Mackinac | eastbound |
| 28 Jul 2025 | 20:33 EDT | Straits of Mackinac | westbound |
| 28 Jul 2025 | 13:02 EDT | Soo Locks (St. Marys River) | downbound |
| 25 Jul 2025 | 19:29 CDT | Duluth Ship Canal | outbound |
| 25 Jul 2025 | 08:43 CDT | Duluth Ship Canal | inbound |
| 24 Jul 2025 | 06:57 EDT | Soo Locks (St. Marys River) | upbound |
| 23 Jul 2025 | 22:49 EDT | Straits of Mackinac | eastbound |
| 18 Jul 2025 | 18:40 EDT | Straits of Mackinac | westbound |
| 18 Jul 2025 | 11:05 EDT | Soo Locks (St. Marys River) | downbound |
| 16 Jul 2025 | 08:31 CDT | Duluth Ship Canal | outbound |
| 15 Jul 2025 | 19:27 CDT | Duluth Ship Canal | inbound |
| 14 Jul 2025 | 17:54 EDT | Soo Locks (St. Marys River) | upbound |
| 13 Jul 2025 | 06:48 EDT | Port Huron / Blue Water Bridge | upbound |
| 13 Jul 2025 | 01:54 EDT | Detroit River / Ambassador Bridge | upbound |
| 12 Jul 2025 | 01:53 EDT | Detroit River / Ambassador Bridge | downbound |
| 11 Jul 2025 | 20:30 EDT | Port Huron / Blue Water Bridge | downbound |
| 11 Jul 2025 | 01:23 EDT | Soo Locks (St. Marys River) | downbound |
| 9 Jul 2025 | 04:53 CDT | Duluth Ship Canal | outbound |
| 8 Jul 2025 | 11:30 CDT | Duluth Ship Canal | inbound |
| 7 Jul 2025 | 09:52 EDT | Soo Locks (St. Marys River) | upbound |
| 2 Jul 2025 | 16:05 EDT | Straits of Mackinac | westbound |
| 2 Jul 2025 | 09:02 EDT | Soo Locks (St. Marys River) | downbound |
June 2025 7 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 30 Jun 2025 | 14:24 CDT | Duluth Ship Canal | outbound |
| 30 Jun 2025 | 03:42 CDT | Duluth Ship Canal | inbound |
| 29 Jun 2025 | 02:18 EDT | Soo Locks (St. Marys River) | upbound |
| 27 Jun 2025 | 18:52 EDT | Straits of Mackinac | eastbound |
| 25 Jun 2025 | 02:35 EDT | Straits of Mackinac | westbound |
| 24 Jun 2025 | 18:49 EDT | Soo Locks (St. Marys River) | downbound |
| 22 Jun 2025 | 21:02 CDT | Duluth Ship Canal | outbound |
May 2025 21 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 28 May 2025 | 09:06 CDT | Duluth Ship Canal | inbound |
| 27 May 2025 | 07:11 EDT | Soo Locks (St. Marys River) | upbound |
| 26 May 2025 | 00:24 EDT | Straits of Mackinac | eastbound |
| 23 May 2025 | 08:21 EDT | Straits of Mackinac | westbound |
| 23 May 2025 | 00:58 EDT | Soo Locks (St. Marys River) | downbound |
| 21 May 2025 | 19:57 CDT | Duluth Ship Canal | outbound |
| 18 May 2025 | 20:31 CDT | Duluth Ship Canal | inbound |
| 17 May 2025 | 18:09 EDT | Soo Locks (St. Marys River) | upbound |
| 16 May 2025 | 15:31 EDT | Straits of Mackinac | eastbound |
| 14 May 2025 | 06:55 EDT | Straits of Mackinac | westbound |
| 13 May 2025 | 22:59 EDT | Soo Locks (St. Marys River) | downbound |
| 12 May 2025 | 18:42 CDT | Duluth Ship Canal | outbound |
| 11 May 2025 | 23:18 CDT | Duluth Ship Canal | inbound |
| 10 May 2025 | 21:07 EDT | Soo Locks (St. Marys River) | upbound |
| 10 May 2025 | 13:35 EDT | Straits of Mackinac | eastbound |
| 7 May 2025 | 11:19 EDT | Straits of Mackinac | westbound |
| 6 May 2025 | 01:59 EDT | Straits of Mackinac | eastbound |
| 3 May 2025 | 16:00 EDT | Straits of Mackinac | westbound |
| 3 May 2025 | 08:16 EDT | Soo Locks (St. Marys River) | downbound |
| 1 May 2025 | 13:13 CDT | Duluth Ship Canal | outbound |
| 30 Apr 2025 | 21:20 CDT | Duluth Ship Canal | inbound |
April 2025 17 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 29 Apr 2025 | 20:02 EDT | Soo Locks (St. Marys River) | upbound |
| 28 Apr 2025 | 04:20 EDT | Port Huron / Blue Water Bridge | upbound |
| 27 Apr 2025 | 22:33 EDT | Detroit River / Ambassador Bridge | upbound |
| 26 Apr 2025 | 18:31 EDT | Detroit River / Ambassador Bridge | downbound |
| 26 Apr 2025 | 13:11 EDT | Port Huron / Blue Water Bridge | downbound |
| 25 Apr 2025 | 17:48 EDT | Soo Locks (St. Marys River) | downbound |
| 24 Apr 2025 | 12:34 CDT | Duluth Ship Canal | outbound |
| 21 Apr 2025 | 22:24 CDT | Duluth Ship Canal | inbound |
| 20 Apr 2025 | 16:03 EDT | Soo Locks (St. Marys River) | upbound |
| 19 Apr 2025 | 08:58 EDT | Straits of Mackinac | eastbound |
| 17 Apr 2025 | 01:47 EDT | Straits of Mackinac | westbound |
| 16 Apr 2025 | 17:42 EDT | Soo Locks (St. Marys River) | downbound |
| 14 Apr 2025 | 01:26 CDT | Duluth Ship Canal | outbound |
| 13 Apr 2025 | 01:37 CDT | Duluth Ship Canal | inbound |
| 12 Apr 2025 | 00:58 EDT | Soo Locks (St. Marys River) | upbound |
| 11 Apr 2025 | 06:18 EDT | Port Huron / Blue Water Bridge | upbound |
| 11 Apr 2025 | 00:37 EDT | Detroit River / Ambassador Bridge | upbound |
January 2025 7 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 11 Jan 2025 | 23:20 EST | Detroit River / Ambassador Bridge | downbound |
| 11 Jan 2025 | 17:59 EST | Port Huron / Blue Water Bridge | downbound |
| 11 Jan 2025 | 02:18 EST | Straits of Mackinac | eastbound |
| 7 Jan 2025 | 16:40 EST | Straits of Mackinac | westbound |
| 7 Jan 2025 | 09:42 EST | Soo Locks (St. Marys River) | downbound |
| 2 Jan 2025 | 21:57 EST | Soo Locks (St. Marys River) | upbound |
| 2 Jan 2025 | 14:16 EST | Straits of Mackinac | eastbound |
2024 season
December 2024 19 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 30 Dec 2024 | 15:02 EST | Straits of Mackinac | westbound |
| 30 Dec 2024 | 07:04 EST | Soo Locks (St. Marys River) | downbound |
| 26 Dec 2024 | 16:07 EST | Soo Locks (St. Marys River) | upbound |
| 23 Dec 2024 | 22:47 EST | Straits of Mackinac | westbound |
| 23 Dec 2024 | 15:30 EST | Soo Locks (St. Marys River) | downbound |
| 20 Dec 2024 | 21:35 EST | Soo Locks (St. Marys River) | upbound |
| 20 Dec 2024 | 10:10 EST | Straits of Mackinac | eastbound |
| 18 Dec 2024 | 00:06 EST | Straits of Mackinac | westbound |
| 16 Dec 2024 | 17:39 EST | Straits of Mackinac | eastbound |
| 14 Dec 2024 | 05:07 EST | Straits of Mackinac | westbound |
| 13 Dec 2024 | 21:06 EST | Soo Locks (St. Marys River) | downbound |
| 11 Dec 2024 | 23:48 CST | Duluth Ship Canal | outbound |
| 11 Dec 2024 | 06:13 CST | Duluth Ship Canal | inbound |
| 10 Dec 2024 | 00:01 EST | Soo Locks (St. Marys River) | upbound |
| 9 Dec 2024 | 16:00 EST | Straits of Mackinac | eastbound |
| 7 Dec 2024 | 02:44 EST | Straits of Mackinac | westbound |
| 6 Dec 2024 | 19:30 EST | Soo Locks (St. Marys River) | downbound |
| 5 Dec 2024 | 06:29 CST | Duluth Ship Canal | outbound |
| 2 Dec 2024 | 05:48 CST | Duluth Ship Canal | inbound |
November 2024 18 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 28 Nov 2024 | 13:58 EST | Soo Locks (St. Marys River) | upbound |
| 23 Nov 2024 | 22:44 EST | Soo Locks (St. Marys River) | downbound |
| 22 Nov 2024 | 17:52 CST | Duluth Ship Canal | outbound |
| 22 Nov 2024 | 05:26 CST | Duluth Ship Canal | inbound |
| 20 Nov 2024 | 11:23 EST | Soo Locks (St. Marys River) | upbound |
| 19 Nov 2024 | 12:46 EST | Port Huron / Blue Water Bridge | upbound |
| 19 Nov 2024 | 07:37 EST | Detroit River / Ambassador Bridge | upbound |
| 16 Nov 2024 | 13:24 EST | Detroit River / Ambassador Bridge | downbound |
| 16 Nov 2024 | 08:02 EST | Port Huron / Blue Water Bridge | downbound |
| 15 Nov 2024 | 16:05 EST | Straits of Mackinac | eastbound |
| 10 Nov 2024 | 12:35 EST | Straits of Mackinac | westbound |
| 10 Nov 2024 | 04:53 EST | Soo Locks (St. Marys River) | downbound |
| 8 Nov 2024 | 20:14 CST | Duluth Ship Canal | outbound |
| 7 Nov 2024 | 21:59 CST | Duluth Ship Canal | inbound |
| 6 Nov 2024 | 13:00 EST | Soo Locks (St. Marys River) | upbound |
| 6 Nov 2024 | 05:18 EST | Straits of Mackinac | eastbound |
| 2 Nov 2024 | 04:22 EDT | Straits of Mackinac | westbound |
| 1 Nov 2024 | 20:43 EDT | Soo Locks (St. Marys River) | downbound |
October 2024 22 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 31 Oct 2024 | 12:27 CDT | Duluth Ship Canal | outbound |
| 29 Oct 2024 | 18:55 CDT | Duluth Ship Canal | inbound |
| 28 Oct 2024 | 10:34 EDT | Soo Locks (St. Marys River) | upbound |
| 28 Oct 2024 | 02:27 EDT | Straits of Mackinac | eastbound |
| 24 Oct 2024 | 19:42 EDT | Straits of Mackinac | westbound |
| 24 Oct 2024 | 11:43 EDT | Soo Locks (St. Marys River) | downbound |
| 23 Oct 2024 | 01:40 CDT | Duluth Ship Canal | outbound |
| 22 Oct 2024 | 03:51 CDT | Duluth Ship Canal | inbound |
| 21 Oct 2024 | 02:04 EDT | Soo Locks (St. Marys River) | upbound |
| 20 Oct 2024 | 17:30 EDT | Straits of Mackinac | eastbound |
| 17 Oct 2024 | 07:31 EDT | Straits of Mackinac | westbound |
| 16 Oct 2024 | 23:07 EDT | Soo Locks (St. Marys River) | downbound |
| 15 Oct 2024 | 07:21 CDT | Duluth Ship Canal | outbound |
| 14 Oct 2024 | 13:43 CDT | Duluth Ship Canal | inbound |
| 13 Oct 2024 | 10:40 EDT | Soo Locks (St. Marys River) | upbound |
| 12 Oct 2024 | 15:50 EDT | Straits of Mackinac | eastbound |
| 10 Oct 2024 | 04:40 EDT | Straits of Mackinac | westbound |
| 9 Oct 2024 | 20:40 EDT | Soo Locks (St. Marys River) | downbound |
| 7 Oct 2024 | 08:38 EDT | Soo Locks (St. Marys River) | upbound |
| 5 Oct 2024 | 16:01 EDT | Straits of Mackinac | eastbound |
| 3 Oct 2024 | 06:51 EDT | Straits of Mackinac | westbound |
| 2 Oct 2024 | 22:53 EDT | Soo Locks (St. Marys River) | downbound |
September 2024 29 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 30 Sep 2024 | 16:25 CDT | Duluth Ship Canal | outbound |
| 30 Sep 2024 | 05:27 CDT | Duluth Ship Canal | inbound |
| 28 Sep 2024 | 18:21 EDT | Soo Locks (St. Marys River) | upbound |
| 28 Sep 2024 | 07:22 EDT | Straits of Mackinac | eastbound |
| 25 Sep 2024 | 10:16 EDT | Straits of Mackinac | westbound |
| 25 Sep 2024 | 02:51 EDT | Soo Locks (St. Marys River) | downbound |
| 23 Sep 2024 | 21:01 CDT | Duluth Ship Canal | outbound |
| 23 Sep 2024 | 13:08 CDT | Duluth Ship Canal | inbound |
| 22 Sep 2024 | 08:31 EDT | Soo Locks (St. Marys River) | upbound |
| 21 Sep 2024 | 09:31 EDT | Port Huron / Blue Water Bridge | upbound |
| 21 Sep 2024 | 01:24 EDT | Detroit River / Ambassador Bridge | upbound |
| 20 Sep 2024 | 17:51 EDT | Detroit River / Ambassador Bridge | downbound |
| 18 Sep 2024 | 05:19 EDT | Port Huron / Blue Water Bridge | upbound |
| 17 Sep 2024 | 23:47 EDT | Detroit River / Ambassador Bridge | upbound |
| 17 Sep 2024 | 12:53 EDT | Detroit River / Ambassador Bridge | downbound |
| 17 Sep 2024 | 06:55 EDT | Port Huron / Blue Water Bridge | downbound |
| 16 Sep 2024 | 14:31 EDT | Straits of Mackinac | eastbound |
| 13 Sep 2024 | 10:18 EDT | Straits of Mackinac | westbound |
| 13 Sep 2024 | 02:16 EDT | Soo Locks (St. Marys River) | downbound |
| 11 Sep 2024 | 21:30 CDT | Duluth Ship Canal | outbound |
| 10 Sep 2024 | 04:15 CDT | Duluth Ship Canal | inbound |
| 9 Sep 2024 | 01:54 EDT | Soo Locks (St. Marys River) | upbound |
| 7 Sep 2024 | 10:23 EDT | Port Huron / Blue Water Bridge | upbound |
| 7 Sep 2024 | 04:33 EDT | Detroit River / Ambassador Bridge | upbound |
| 6 Sep 2024 | 07:00 EDT | Detroit River / Ambassador Bridge | downbound |
| 6 Sep 2024 | 01:42 EDT | Port Huron / Blue Water Bridge | downbound |
| 5 Sep 2024 | 05:46 EDT | Soo Locks (St. Marys River) | downbound |
| 3 Sep 2024 | 22:51 CDT | Duluth Ship Canal | outbound |
| 2 Sep 2024 | 22:48 CDT | Duluth Ship Canal | inbound |
August 2024 33 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 31 Aug 2024 | 18:11 EDT | Soo Locks (St. Marys River) | upbound |
| 30 Aug 2024 | 23:44 EDT | Port Huron / Blue Water Bridge | upbound |
| 30 Aug 2024 | 18:19 EDT | Detroit River / Ambassador Bridge | upbound |
| 30 Aug 2024 | 00:37 EDT | Detroit River / Ambassador Bridge | downbound |
| 29 Aug 2024 | 18:21 EDT | Port Huron / Blue Water Bridge | downbound |
| 28 Aug 2024 | 22:54 EDT | Soo Locks (St. Marys River) | downbound |
| 27 Aug 2024 | 16:54 CDT | Duluth Ship Canal | outbound |
| 26 Aug 2024 | 21:47 CDT | Duluth Ship Canal | inbound |
| 25 Aug 2024 | 19:20 EDT | Soo Locks (St. Marys River) | upbound |
| 25 Aug 2024 | 05:17 EDT | Straits of Mackinac | eastbound |
| 22 Aug 2024 | 10:16 EDT | Straits of Mackinac | westbound |
| 22 Aug 2024 | 02:47 EDT | Soo Locks (St. Marys River) | downbound |
| 19 Aug 2024 | 01:54 EDT | Soo Locks (St. Marys River) | upbound |
| 18 Aug 2024 | 05:26 EDT | Port Huron / Blue Water Bridge | upbound |
| 18 Aug 2024 | 00:23 EDT | Detroit River / Ambassador Bridge | upbound |
| 17 Aug 2024 | 11:03 EDT | Detroit River / Ambassador Bridge | downbound |
| 17 Aug 2024 | 05:38 EDT | Port Huron / Blue Water Bridge | downbound |
| 15 Aug 2024 | 08:02 EDT | Port Huron / Blue Water Bridge | upbound |
| 15 Aug 2024 | 02:57 EDT | Detroit River / Ambassador Bridge | upbound |
| 13 Aug 2024 | 22:45 EDT | Detroit River / Ambassador Bridge | downbound |
| 13 Aug 2024 | 17:28 EDT | Port Huron / Blue Water Bridge | downbound |
| 12 Aug 2024 | 22:37 EDT | Soo Locks (St. Marys River) | downbound |
| 11 Aug 2024 | 19:12 CDT | Duluth Ship Canal | outbound |
| 10 Aug 2024 | 16:28 CDT | Duluth Ship Canal | inbound |
| 9 Aug 2024 | 14:39 EDT | Soo Locks (St. Marys River) | upbound |
| 8 Aug 2024 | 02:15 EDT | Port Huron / Blue Water Bridge | upbound |
| 7 Aug 2024 | 21:12 EDT | Detroit River / Ambassador Bridge | upbound |
| 6 Aug 2024 | 12:30 EDT | Detroit River / Ambassador Bridge | downbound |
| 6 Aug 2024 | 07:13 EDT | Port Huron / Blue Water Bridge | downbound |
| 5 Aug 2024 | 09:28 EDT | Soo Locks (St. Marys River) | downbound |
| 3 Aug 2024 | 22:36 CDT | Duluth Ship Canal | outbound |
| 2 Aug 2024 | 16:07 CDT | Duluth Ship Canal | inbound |
| 1 Aug 2024 | 13:52 EDT | Soo Locks (St. Marys River) | upbound |
July 2024 14 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 31 Jul 2024 | 00:33 EDT | Port Huron / Blue Water Bridge | upbound |
| 30 Jul 2024 | 19:06 EDT | Detroit River / Ambassador Bridge | upbound |
| 29 Jul 2024 | 19:09 EDT | Detroit River / Ambassador Bridge | downbound |
| 29 Jul 2024 | 13:48 EDT | Port Huron / Blue Water Bridge | downbound |
| 28 Jul 2024 | 18:33 EDT | Soo Locks (St. Marys River) | downbound |
| 27 Jul 2024 | 14:19 CDT | Duluth Ship Canal | outbound |
| 26 Jul 2024 | 12:03 CDT | Duluth Ship Canal | inbound |
| 25 Jul 2024 | 10:37 EDT | Soo Locks (St. Marys River) | upbound |
| 25 Jul 2024 | 01:04 EDT | Straits of Mackinac | eastbound |
| 19 Jul 2024 | 05:55 EDT | Straits of Mackinac | westbound |
| 18 Jul 2024 | 22:18 EDT | Soo Locks (St. Marys River) | downbound |
| 16 Jul 2024 | 02:19 EDT | Soo Locks (St. Marys River) | upbound |
| 15 Jul 2024 | 06:06 EDT | Port Huron / Blue Water Bridge | upbound |
| 15 Jul 2024 | 00:57 EDT | Detroit River / Ambassador Bridge | upbound |
June 2024 27 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 28 Jun 2024 | 14:48 EDT | Detroit River / Ambassador Bridge | downbound |
| 28 Jun 2024 | 09:24 EDT | Port Huron / Blue Water Bridge | downbound |
| 27 Jun 2024 | 17:32 EDT | Straits of Mackinac | eastbound |
| 24 Jun 2024 | 10:33 EDT | Straits of Mackinac | westbound |
| 24 Jun 2024 | 02:48 EDT | Soo Locks (St. Marys River) | downbound |
| 21 Jun 2024 | 16:46 CDT | Duluth Ship Canal | outbound |
| 21 Jun 2024 | 12:41 CDT | Duluth Ship Canal | inbound |
| 20 Jun 2024 | 09:18 EDT | Soo Locks (St. Marys River) | upbound |
| 19 Jun 2024 | 14:25 EDT | Port Huron / Blue Water Bridge | upbound |
| 19 Jun 2024 | 09:01 EDT | Detroit River / Ambassador Bridge | upbound |
| 18 Jun 2024 | 20:21 EDT | Detroit River / Ambassador Bridge | downbound |
| 18 Jun 2024 | 15:03 EDT | Port Huron / Blue Water Bridge | downbound |
| 16 Jun 2024 | 18:01 EDT | Port Huron / Blue Water Bridge | upbound |
| 16 Jun 2024 | 12:37 EDT | Detroit River / Ambassador Bridge | upbound |
| 15 Jun 2024 | 06:20 EDT | Detroit River / Ambassador Bridge | downbound |
| 15 Jun 2024 | 00:51 EDT | Port Huron / Blue Water Bridge | downbound |
| 14 Jun 2024 | 05:39 EDT | Soo Locks (St. Marys River) | downbound |
| 13 Jun 2024 | 00:55 CDT | Duluth Ship Canal | outbound |
| 12 Jun 2024 | 02:46 CDT | Duluth Ship Canal | inbound |
| 11 Jun 2024 | 01:06 EDT | Soo Locks (St. Marys River) | upbound |
| 10 Jun 2024 | 16:14 EDT | Straits of Mackinac | eastbound |
| 7 Jun 2024 | 15:09 EDT | Straits of Mackinac | westbound |
| 7 Jun 2024 | 07:27 EDT | Soo Locks (St. Marys River) | downbound |
| 5 Jun 2024 | 04:24 CDT | Duluth Ship Canal | outbound |
| 4 Jun 2024 | 18:34 CDT | Duluth Ship Canal | inbound |
| 3 Jun 2024 | 13:00 EDT | Soo Locks (St. Marys River) | upbound |
| 3 Jun 2024 | 03:02 EDT | Straits of Mackinac | eastbound |
May 2024 31 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 31 May 2024 | 04:53 EDT | Straits of Mackinac | westbound |
| 30 May 2024 | 21:19 EDT | Soo Locks (St. Marys River) | downbound |
| 28 May 2024 | 09:03 EDT | Soo Locks (St. Marys River) | upbound |
| 27 May 2024 | 14:13 EDT | Port Huron / Blue Water Bridge | upbound |
| 26 May 2024 | 22:25 EDT | Port Huron / Blue Water Bridge | downbound |
| 24 May 2024 | 23:09 EDT | Port Huron / Blue Water Bridge | upbound |
| 24 May 2024 | 17:44 EDT | Detroit River / Ambassador Bridge | upbound |
| 23 May 2024 | 21:13 EDT | Detroit River / Ambassador Bridge | downbound |
| 23 May 2024 | 15:56 EDT | Port Huron / Blue Water Bridge | downbound |
| 22 May 2024 | 20:24 EDT | Soo Locks (St. Marys River) | downbound |
| 21 May 2024 | 12:56 CDT | Duluth Ship Canal | outbound |
| 20 May 2024 | 21:01 CDT | Duluth Ship Canal | inbound |
| 19 May 2024 | 21:06 EDT | Soo Locks (St. Marys River) | upbound |
| 19 May 2024 | 02:40 EDT | Port Huron / Blue Water Bridge | upbound |
| 18 May 2024 | 21:41 EDT | Detroit River / Ambassador Bridge | upbound |
| 18 May 2024 | 02:31 EDT | Detroit River / Ambassador Bridge | downbound |
| 17 May 2024 | 21:01 EDT | Port Huron / Blue Water Bridge | downbound |
| 17 May 2024 | 01:47 EDT | Soo Locks (St. Marys River) | downbound |
| 15 May 2024 | 21:33 CDT | Duluth Ship Canal | outbound |
| 14 May 2024 | 20:23 CDT | Duluth Ship Canal | inbound |
| 13 May 2024 | 19:20 EDT | Soo Locks (St. Marys River) | upbound |
| 13 May 2024 | 11:08 EDT | Straits of Mackinac | eastbound |
| 10 May 2024 | 12:48 EDT | Straits of Mackinac | westbound |
| 10 May 2024 | 05:10 EDT | Soo Locks (St. Marys River) | downbound |
| 9 May 2024 | 00:26 CDT | Duluth Ship Canal | outbound |
| 8 May 2024 | 00:21 CDT | Duluth Ship Canal | inbound |
| 6 May 2024 | 16:30 EDT | Soo Locks (St. Marys River) | upbound |
| 5 May 2024 | 11:05 EDT | Straits of Mackinac | eastbound |
| 3 May 2024 | 05:23 EDT | Straits of Mackinac | westbound |
| 2 May 2024 | 21:53 EDT | Soo Locks (St. Marys River) | downbound |
| 1 May 2024 | 15:37 CDT | Duluth Ship Canal | outbound |
April 2024 27 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 30 Apr 2024 | 14:51 CDT | Duluth Ship Canal | inbound |
| 28 Apr 2024 | 19:24 EDT | Soo Locks (St. Marys River) | upbound |
| 27 Apr 2024 | 10:42 EDT | Straits of Mackinac | eastbound |
| 25 Apr 2024 | 05:39 EDT | Straits of Mackinac | westbound |
| 24 Apr 2024 | 22:15 EDT | Soo Locks (St. Marys River) | downbound |
| 23 Apr 2024 | 14:57 CDT | Duluth Ship Canal | outbound |
| 22 Apr 2024 | 17:46 CDT | Duluth Ship Canal | inbound |
| 21 Apr 2024 | 16:21 EDT | Soo Locks (St. Marys River) | upbound |
| 21 Apr 2024 | 07:11 EDT | Straits of Mackinac | eastbound |
| 18 Apr 2024 | 08:18 EDT | Straits of Mackinac | westbound |
| 17 Apr 2024 | 00:29 EDT | Soo Locks (St. Marys River) | downbound |
| 15 Apr 2024 | 20:10 CDT | Duluth Ship Canal | outbound |
| 15 Apr 2024 | 02:23 CDT | Duluth Ship Canal | inbound |
| 14 Apr 2024 | 02:08 EDT | Soo Locks (St. Marys River) | upbound |
| 13 Apr 2024 | 18:33 EDT | Straits of Mackinac | eastbound |
| 11 Apr 2024 | 04:22 EDT | Straits of Mackinac | westbound |
| 10 Apr 2024 | 20:13 EDT | Soo Locks (St. Marys River) | downbound |
| 8 Apr 2024 | 05:37 EDT | Soo Locks (St. Marys River) | upbound |
| 7 Apr 2024 | 10:47 EDT | Port Huron / Blue Water Bridge | upbound |
| 7 Apr 2024 | 05:32 EDT | Detroit River / Ambassador Bridge | upbound |
| 6 Apr 2024 | 10:40 EDT | Detroit River / Ambassador Bridge | downbound |
| 6 Apr 2024 | 05:18 EDT | Port Huron / Blue Water Bridge | downbound |
| 5 Apr 2024 | 10:23 EDT | Soo Locks (St. Marys River) | downbound |
| 4 Apr 2024 | 00:03 CDT | Duluth Ship Canal | outbound |
| 2 Apr 2024 | 23:00 CDT | Duluth Ship Canal | inbound |
| 1 Apr 2024 | 23:22 EDT | Soo Locks (St. Marys River) | upbound |
| 1 Apr 2024 | 16:05 EDT | Straits of Mackinac | eastbound |
March 2024 3 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 30 Mar 2024 | 01:47 EDT | Straits of Mackinac | westbound |
| 29 Mar 2024 | 19:10 EDT | Soo Locks (St. Marys River) | downbound |
| 23 Mar 2024 | 13:19 CDT | Duluth Ship Canal | outbound |
January 2024 11 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 18 Jan 2024 | 09:47 CST | Duluth Ship Canal | inbound |
| 14 Jan 2024 | 17:01 EST | Soo Locks (St. Marys River) | upbound |
| 13 Jan 2024 | 19:30 EST | Port Huron / Blue Water Bridge | upbound |
| 13 Jan 2024 | 14:12 EST | Detroit River / Ambassador Bridge | upbound |
| 11 Jan 2024 | 03:41 EST | Detroit River / Ambassador Bridge | upbound |
| 10 Jan 2024 | 21:57 EST | Port Huron / Blue Water Bridge | downbound |
| 9 Jan 2024 | 20:29 EST | Soo Locks (St. Marys River) | downbound |
| 6 Jan 2024 | 13:55 EST | Soo Locks (St. Marys River) | upbound |
| 6 Jan 2024 | 06:18 EST | Straits of Mackinac | eastbound |
| 4 Jan 2024 | 00:07 EST | Straits of Mackinac | westbound |
| 3 Jan 2024 | 16:21 EST | Soo Locks (St. Marys River) | downbound |