Fleet-matched vessel · United States flag
Lee A Tregurtha
The Interlake Steamship Company · Self-unloader · 252 m. Range: Lakes only. 509 recorded passages across 6 chokepoints.
Last recorded passage
westbound at Straits of Mackinac
27 Dec 2025, 07:52 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 Lee A Tregurtha 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 Lee A Tregurtha 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. Lee A Tregurtha feed · all chokepoints
Specification
| Name (AIS) | LEE A TREGURTHA |
|---|---|
| MMSI | 366904950 |
| IMO | IMO5385625 |
| Call sign | WUR8857 |
| Length overall | 252 m (827 ft) |
| Beam | 23 m (75 ft) |
| AIS vessel type | Cargo |
| Hull type | Self-unloader |
| Operator | The Interlake Steamship Company |
| Flag | United States |
Passage record
- 509 Passages January 2024 – December 2025
- 6 Chokepoints of 7 monitored
- 2 Jan 2024 First in archive UTC date
- 27 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 14 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 27 Dec 2025 | 07:52 EST | Straits of Mackinac | westbound |
| 27 Dec 2025 | 00:02 EST | Soo Locks (St. Marys River) | downbound |
| 24 Dec 2025 | 23:35 EST | Soo Locks (St. Marys River) | upbound |
| 24 Dec 2025 | 11:08 EST | Straits of Mackinac | eastbound |
| 21 Dec 2025 | 08:09 EST | Straits of Mackinac | westbound |
| 18 Dec 2025 | 07:56 EST | Soo Locks (St. Marys River) | downbound |
| 14 Dec 2025 | 17:24 EST | Soo Locks (St. Marys River) | upbound |
| 14 Dec 2025 | 01:46 EST | Straits of Mackinac | eastbound |
| 10 Dec 2025 | 17:57 EST | Straits of Mackinac | westbound |
| 10 Dec 2025 | 04:55 EST | Soo Locks (St. Marys River) | downbound |
| 7 Dec 2025 | 23:42 EST | Soo Locks (St. Marys River) | upbound |
| 7 Dec 2025 | 15:10 EST | Straits of Mackinac | eastbound |
| 3 Dec 2025 | 20:42 EST | Straits of Mackinac | westbound |
| 3 Dec 2025 | 12:51 EST | Soo Locks (St. Marys River) | downbound |
November 2025 18 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 29 Nov 2025 | 20:45 EST | Soo Locks (St. Marys River) | upbound |
| 28 Nov 2025 | 22:13 EST | Port Huron / Blue Water Bridge | upbound |
| 28 Nov 2025 | 15:07 EST | Detroit River / Ambassador Bridge | upbound |
| 25 Nov 2025 | 17:08 EST | Detroit River / Ambassador Bridge | downbound |
| 25 Nov 2025 | 11:36 EST | Port Huron / Blue Water Bridge | downbound |
| 24 Nov 2025 | 15:17 EST | Soo Locks (St. Marys River) | downbound |
| 21 Nov 2025 | 08:19 EST | Soo Locks (St. Marys River) | upbound |
| 20 Nov 2025 | 23:13 EST | Straits of Mackinac | eastbound |
| 18 Nov 2025 | 08:38 EST | Straits of Mackinac | westbound |
| 18 Nov 2025 | 00:25 EST | Soo Locks (St. Marys River) | downbound |
| 13 Nov 2025 | 19:38 EST | Soo Locks (St. Marys River) | upbound |
| 11 Nov 2025 | 03:55 EST | Port Huron / Blue Water Bridge | upbound |
| 9 Nov 2025 | 22:33 EST | Detroit River / Ambassador Bridge | upbound |
| 7 Nov 2025 | 08:58 EST | Detroit River / Ambassador Bridge | downbound |
| 7 Nov 2025 | 02:21 EST | Port Huron / Blue Water Bridge | downbound |
| 5 Nov 2025 | 11:14 EST | Soo Locks (St. Marys River) | downbound |
| 3 Nov 2025 | 03:06 CST | Superior Entry | outbound |
| 2 Nov 2025 | 01:39 CST | Duluth Ship Canal | inbound |
October 2025 20 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 31 Oct 2025 | 18:00 EDT | Soo Locks (St. Marys River) | upbound |
| 30 Oct 2025 | 04:02 EDT | Straits of Mackinac | eastbound |
| 27 Oct 2025 | 06:55 EDT | Straits of Mackinac | westbound |
| 26 Oct 2025 | 23:01 EDT | Soo Locks (St. Marys River) | downbound |
| 25 Oct 2025 | 16:00 EDT | Soo Locks (St. Marys River) | upbound |
| 25 Oct 2025 | 06:44 EDT | Straits of Mackinac | eastbound |
| 21 Oct 2025 | 22:09 EDT | Straits of Mackinac | westbound |
| 21 Oct 2025 | 13:17 EDT | Soo Locks (St. Marys River) | downbound |
| 20 Oct 2025 | 06:30 EDT | Soo Locks (St. Marys River) | upbound |
| 19 Oct 2025 | 06:22 EDT | Straits of Mackinac | eastbound |
| 13 Oct 2025 | 08:54 EDT | Straits of Mackinac | westbound |
| 13 Oct 2025 | 01:12 EDT | Soo Locks (St. Marys River) | downbound |
| 10 Oct 2025 | 22:50 EDT | Soo Locks (St. Marys River) | upbound |
| 9 Oct 2025 | 08:31 EDT | Straits of Mackinac | eastbound |
| 6 Oct 2025 | 10:10 EDT | Straits of Mackinac | westbound |
| 6 Oct 2025 | 02:27 EDT | Soo Locks (St. Marys River) | downbound |
| 4 Oct 2025 | 19:53 EDT | Soo Locks (St. Marys River) | upbound |
| 4 Oct 2025 | 12:34 EDT | Straits of Mackinac | eastbound |
| 2 Oct 2025 | 01:14 EDT | Straits of Mackinac | westbound |
| 1 Oct 2025 | 17:33 EDT | Soo Locks (St. Marys River) | downbound |
September 2025 24 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 29 Sep 2025 | 20:07 EDT | Soo Locks (St. Marys River) | upbound |
| 29 Sep 2025 | 10:35 EDT | Straits of Mackinac | eastbound |
| 25 Sep 2025 | 23:01 EDT | Straits of Mackinac | westbound |
| 25 Sep 2025 | 14:33 EDT | Soo Locks (St. Marys River) | downbound |
| 24 Sep 2025 | 05:53 EDT | Soo Locks (St. Marys River) | upbound |
| 23 Sep 2025 | 21:15 EDT | Straits of Mackinac | eastbound |
| 21 Sep 2025 | 09:55 EDT | Straits of Mackinac | westbound |
| 21 Sep 2025 | 02:10 EDT | Soo Locks (St. Marys River) | downbound |
| 19 Sep 2025 | 18:10 EDT | Soo Locks (St. Marys River) | upbound |
| 19 Sep 2025 | 06:44 EDT | Straits of Mackinac | eastbound |
| 16 Sep 2025 | 16:28 EDT | Straits of Mackinac | westbound |
| 16 Sep 2025 | 08:54 EDT | Soo Locks (St. Marys River) | downbound |
| 15 Sep 2025 | 01:46 EDT | Soo Locks (St. Marys River) | upbound |
| 14 Sep 2025 | 18:07 EDT | Straits of Mackinac | eastbound |
| 12 Sep 2025 | 08:00 EDT | Straits of Mackinac | westbound |
| 12 Sep 2025 | 00:09 EDT | Soo Locks (St. Marys River) | downbound |
| 10 Sep 2025 | 09:41 EDT | Soo Locks (St. Marys River) | upbound |
| 10 Sep 2025 | 01:55 EDT | Straits of Mackinac | eastbound |
| 7 Sep 2025 | 15:20 EDT | Straits of Mackinac | westbound |
| 7 Sep 2025 | 06:46 EDT | Soo Locks (St. Marys River) | downbound |
| 4 Sep 2025 | 12:57 EDT | Soo Locks (St. Marys River) | upbound |
| 2 Sep 2025 | 03:19 EDT | Port Huron / Blue Water Bridge | upbound |
| 1 Sep 2025 | 21:04 EDT | Detroit River / Ambassador Bridge | upbound |
| 31 Aug 2025 | 21:25 EDT | Detroit River / Ambassador Bridge | downbound |
August 2025 23 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 30 Aug 2025 | 19:31 EDT | Soo Locks (St. Marys River) | downbound |
| 29 Aug 2025 | 10:36 CDT | Superior Entry | outbound |
| 29 Aug 2025 | 01:27 CDT | Superior Entry | inbound |
| 27 Aug 2025 | 19:24 EDT | Soo Locks (St. Marys River) | upbound |
| 27 Aug 2025 | 10:08 EDT | Straits of Mackinac | eastbound |
| 24 Aug 2025 | 19:57 EDT | Straits of Mackinac | westbound |
| 24 Aug 2025 | 12:27 EDT | Soo Locks (St. Marys River) | downbound |
| 22 Aug 2025 | 22:51 EDT | Soo Locks (St. Marys River) | upbound |
| 22 Aug 2025 | 16:02 EDT | Straits of Mackinac | eastbound |
| 19 Aug 2025 | 03:36 EDT | Straits of Mackinac | westbound |
| 18 Aug 2025 | 19:05 EDT | Soo Locks (St. Marys River) | downbound |
| 16 Aug 2025 | 22:22 CDT | Superior Entry | outbound |
| 16 Aug 2025 | 12:57 CDT | Duluth Ship Canal | inbound |
| 15 Aug 2025 | 04:52 EDT | Soo Locks (St. Marys River) | upbound |
| 14 Aug 2025 | 19:10 EDT | Straits of Mackinac | eastbound |
| 11 Aug 2025 | 10:46 EDT | Straits of Mackinac | westbound |
| 11 Aug 2025 | 02:52 EDT | Soo Locks (St. Marys River) | downbound |
| 9 Aug 2025 | 10:10 EDT | Soo Locks (St. Marys River) | upbound |
| 9 Aug 2025 | 02:47 EDT | Straits of Mackinac | eastbound |
| 6 Aug 2025 | 16:35 EDT | Straits of Mackinac | westbound |
| 6 Aug 2025 | 08:40 EDT | Soo Locks (St. Marys River) | downbound |
| 4 Aug 2025 | 06:56 EDT | Soo Locks (St. Marys River) | upbound |
| 3 Aug 2025 | 05:48 EDT | Straits of Mackinac | eastbound |
July 2025 32 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 31 Jul 2025 | 12:30 EDT | Straits of Mackinac | westbound |
| 31 Jul 2025 | 04:59 EDT | Soo Locks (St. Marys River) | downbound |
| 29 Jul 2025 | 22:26 EDT | Soo Locks (St. Marys River) | upbound |
| 29 Jul 2025 | 01:22 EDT | Port Huron / Blue Water Bridge | upbound |
| 28 Jul 2025 | 19:52 EDT | Detroit River / Ambassador Bridge | upbound |
| 26 Jul 2025 | 08:05 EDT | Detroit River / Ambassador Bridge | downbound |
| 26 Jul 2025 | 02:27 EDT | Port Huron / Blue Water Bridge | downbound |
| 25 Jul 2025 | 06:02 EDT | Soo Locks (St. Marys River) | downbound |
| 23 Jul 2025 | 22:32 EDT | Soo Locks (St. Marys River) | upbound |
| 23 Jul 2025 | 14:41 EDT | Straits of Mackinac | eastbound |
| 20 Jul 2025 | 21:31 EDT | Straits of Mackinac | westbound |
| 20 Jul 2025 | 12:58 EDT | Soo Locks (St. Marys River) | downbound |
| 19 Jul 2025 | 07:28 EDT | Soo Locks (St. Marys River) | upbound |
| 18 Jul 2025 | 08:34 EDT | Port Huron / Blue Water Bridge | upbound |
| 18 Jul 2025 | 01:49 EDT | Detroit River / Ambassador Bridge | upbound |
| 17 Jul 2025 | 16:30 EDT | Detroit River / Ambassador Bridge | upbound |
| 17 Jul 2025 | 09:34 EDT | Port Huron / Blue Water Bridge | downbound |
| 16 Jul 2025 | 11:13 EDT | Soo Locks (St. Marys River) | downbound |
| 15 Jul 2025 | 05:10 EDT | Soo Locks (St. Marys River) | upbound |
| 14 Jul 2025 | 07:44 EDT | Port Huron / Blue Water Bridge | upbound |
| 14 Jul 2025 | 00:51 EDT | Detroit River / Ambassador Bridge | upbound |
| 13 Jul 2025 | 15:39 EDT | Detroit River / Ambassador Bridge | downbound |
| 13 Jul 2025 | 09:31 EDT | Port Huron / Blue Water Bridge | downbound |
| 12 Jul 2025 | 11:48 EDT | Soo Locks (St. Marys River) | downbound |
| 10 Jul 2025 | 01:10 EDT | Soo Locks (St. Marys River) | upbound |
| 8 Jul 2025 | 11:09 EDT | Port Huron / Blue Water Bridge | upbound |
| 8 Jul 2025 | 03:42 EDT | Detroit River / Ambassador Bridge | upbound |
| 6 Jul 2025 | 11:09 EDT | Detroit River / Ambassador Bridge | downbound |
| 6 Jul 2025 | 03:21 EDT | Port Huron / Blue Water Bridge | downbound |
| 5 Jul 2025 | 05:22 EDT | Soo Locks (St. Marys River) | downbound |
| 3 Jul 2025 | 02:26 EDT | Soo Locks (St. Marys River) | upbound |
| 2 Jul 2025 | 00:33 EDT | Straits of Mackinac | eastbound |
June 2025 34 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 29 Jun 2025 | 10:44 EDT | Straits of Mackinac | westbound |
| 29 Jun 2025 | 03:53 EDT | Soo Locks (St. Marys River) | downbound |
| 27 Jun 2025 | 17:59 EDT | Soo Locks (St. Marys River) | upbound |
| 27 Jun 2025 | 07:18 EDT | Straits of Mackinac | eastbound |
| 24 Jun 2025 | 17:43 EDT | Straits of Mackinac | westbound |
| 24 Jun 2025 | 09:42 EDT | Soo Locks (St. Marys River) | downbound |
| 23 Jun 2025 | 03:13 EDT | Soo Locks (St. Marys River) | upbound |
| 22 Jun 2025 | 19:37 EDT | Straits of Mackinac | eastbound |
| 20 Jun 2025 | 07:38 EDT | Straits of Mackinac | westbound |
| 19 Jun 2025 | 23:37 EDT | Soo Locks (St. Marys River) | downbound |
| 18 Jun 2025 | 10:20 EDT | Soo Locks (St. Marys River) | upbound |
| 17 Jun 2025 | 11:53 EDT | Port Huron / Blue Water Bridge | upbound |
| 17 Jun 2025 | 05:51 EDT | Detroit River / Ambassador Bridge | upbound |
| 16 Jun 2025 | 16:19 EDT | Detroit River / Ambassador Bridge | downbound |
| 16 Jun 2025 | 10:41 EDT | Port Huron / Blue Water Bridge | downbound |
| 15 Jun 2025 | 13:00 EDT | Soo Locks (St. Marys River) | downbound |
| 14 Jun 2025 | 01:46 EDT | Soo Locks (St. Marys River) | upbound |
| 13 Jun 2025 | 17:38 EDT | Straits of Mackinac | eastbound |
| 11 Jun 2025 | 03:05 EDT | Straits of Mackinac | westbound |
| 9 Jun 2025 | 22:54 EDT | Port Huron / Blue Water Bridge | upbound |
| 9 Jun 2025 | 16:58 EDT | Detroit River / Ambassador Bridge | upbound |
| 9 Jun 2025 | 07:14 EDT | Detroit River / Ambassador Bridge | upbound |
| 8 Jun 2025 | 23:36 EDT | Port Huron / Blue Water Bridge | downbound |
| 8 Jun 2025 | 02:48 EDT | Soo Locks (St. Marys River) | downbound |
| 6 Jun 2025 | 19:13 EDT | Soo Locks (St. Marys River) | upbound |
| 5 Jun 2025 | 23:03 EDT | Port Huron / Blue Water Bridge | upbound |
| 5 Jun 2025 | 18:41 EDT | Detroit River / Ambassador Bridge | upbound |
| 5 Jun 2025 | 08:32 EDT | Detroit River / Ambassador Bridge | upbound |
| 5 Jun 2025 | 01:48 EDT | Port Huron / Blue Water Bridge | downbound |
| 4 Jun 2025 | 05:09 EDT | Soo Locks (St. Marys River) | downbound |
| 2 Jun 2025 | 23:37 EDT | Soo Locks (St. Marys River) | upbound |
| 2 Jun 2025 | 02:55 EDT | Port Huron / Blue Water Bridge | upbound |
| 1 Jun 2025 | 21:10 EDT | Detroit River / Ambassador Bridge | upbound |
| 1 Jun 2025 | 00:00 EDT | Detroit River / Ambassador Bridge | downbound |
May 2025 32 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 31 May 2025 | 18:08 EDT | Port Huron / Blue Water Bridge | downbound |
| 30 May 2025 | 22:26 EDT | Soo Locks (St. Marys River) | downbound |
| 29 May 2025 | 03:13 CDT | Superior Entry | outbound |
| 28 May 2025 | 18:20 CDT | Duluth Ship Canal | inbound |
| 27 May 2025 | 16:27 EDT | Soo Locks (St. Marys River) | upbound |
| 27 May 2025 | 07:14 EDT | Straits of Mackinac | eastbound |
| 23 May 2025 | 17:46 EDT | Straits of Mackinac | westbound |
| 23 May 2025 | 10:07 EDT | Soo Locks (St. Marys River) | downbound |
| 22 May 2025 | 02:48 EDT | Soo Locks (St. Marys River) | upbound |
| 21 May 2025 | 18:06 EDT | Straits of Mackinac | eastbound |
| 18 May 2025 | 23:51 EDT | Straits of Mackinac | westbound |
| 17 May 2025 | 14:18 EDT | Port Huron / Blue Water Bridge | upbound |
| 17 May 2025 | 08:07 EDT | Detroit River / Ambassador Bridge | upbound |
| 16 May 2025 | 21:40 EDT | Detroit River / Ambassador Bridge | upbound |
| 16 May 2025 | 15:42 EDT | Port Huron / Blue Water Bridge | downbound |
| 15 May 2025 | 20:08 EDT | Soo Locks (St. Marys River) | downbound |
| 14 May 2025 | 14:26 EDT | Soo Locks (St. Marys River) | upbound |
| 13 May 2025 | 15:45 EDT | Port Huron / Blue Water Bridge | upbound |
| 13 May 2025 | 08:51 EDT | Detroit River / Ambassador Bridge | upbound |
| 12 May 2025 | 23:30 EDT | Detroit River / Ambassador Bridge | upbound |
| 12 May 2025 | 17:16 EDT | Port Huron / Blue Water Bridge | downbound |
| 11 May 2025 | 21:36 EDT | Soo Locks (St. Marys River) | downbound |
| 10 May 2025 | 11:01 EDT | Soo Locks (St. Marys River) | upbound |
| 9 May 2025 | 12:15 EDT | Port Huron / Blue Water Bridge | upbound |
| 9 May 2025 | 05:16 EDT | Detroit River / Ambassador Bridge | upbound |
| 8 May 2025 | 20:03 EDT | Detroit River / Ambassador Bridge | upbound |
| 8 May 2025 | 14:50 EDT | Port Huron / Blue Water Bridge | downbound |
| 7 May 2025 | 19:16 EDT | Soo Locks (St. Marys River) | downbound |
| 6 May 2025 | 12:26 EDT | Soo Locks (St. Marys River) | upbound |
| 6 May 2025 | 03:52 EDT | Straits of Mackinac | eastbound |
| 2 May 2025 | 23:31 EDT | Straits of Mackinac | westbound |
| 2 May 2025 | 04:18 EDT | Straits of Mackinac | eastbound |
April 2025 27 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 29 Apr 2025 | 16:20 EDT | Straits of Mackinac | westbound |
| 29 Apr 2025 | 08:14 EDT | Soo Locks (St. Marys River) | downbound |
| 26 Apr 2025 | 13:09 EDT | Soo Locks (St. Marys River) | upbound |
| 25 Apr 2025 | 13:02 EDT | Port Huron / Blue Water Bridge | upbound |
| 25 Apr 2025 | 06:36 EDT | Detroit River / Ambassador Bridge | upbound |
| 24 Apr 2025 | 21:36 EDT | Detroit River / Ambassador Bridge | downbound |
| 24 Apr 2025 | 15:55 EDT | Port Huron / Blue Water Bridge | downbound |
| 23 Apr 2025 | 20:42 EDT | Soo Locks (St. Marys River) | downbound |
| 22 Apr 2025 | 12:55 EDT | Soo Locks (St. Marys River) | upbound |
| 21 Apr 2025 | 12:30 EDT | Port Huron / Blue Water Bridge | upbound |
| 21 Apr 2025 | 06:03 EDT | Detroit River / Ambassador Bridge | upbound |
| 19 Apr 2025 | 11:17 EDT | Detroit River / Ambassador Bridge | upbound |
| 19 Apr 2025 | 04:09 EDT | Port Huron / Blue Water Bridge | downbound |
| 18 Apr 2025 | 05:13 EDT | Soo Locks (St. Marys River) | downbound |
| 16 Apr 2025 | 05:52 EDT | Soo Locks (St. Marys River) | upbound |
| 13 Apr 2025 | 16:26 EDT | Port Huron / Blue Water Bridge | upbound |
| 13 Apr 2025 | 09:10 EDT | Detroit River / Ambassador Bridge | upbound |
| 12 Apr 2025 | 21:53 EDT | Detroit River / Ambassador Bridge | upbound |
| 12 Apr 2025 | 11:10 EDT | Detroit River / Ambassador Bridge | upbound |
| 12 Apr 2025 | 01:49 EDT | Port Huron / Blue Water Bridge | downbound |
| 11 Apr 2025 | 05:53 EDT | Soo Locks (St. Marys River) | downbound |
| 9 Apr 2025 | 15:41 EDT | Soo Locks (St. Marys River) | upbound |
| 8 Apr 2025 | 20:39 EDT | Port Huron / Blue Water Bridge | upbound |
| 8 Apr 2025 | 13:01 EDT | Detroit River / Ambassador Bridge | upbound |
| 5 Apr 2025 | 14:37 EDT | Detroit River / Ambassador Bridge | downbound |
| 5 Apr 2025 | 09:00 EDT | Port Huron / Blue Water Bridge | downbound |
| 4 Apr 2025 | 13:34 EDT | Soo Locks (St. Marys River) | downbound |
March 2025 7 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 31 Mar 2025 | 13:54 EDT | Soo Locks (St. Marys River) | upbound |
| 30 Mar 2025 | 11:30 EDT | Port Huron / Blue Water Bridge | upbound |
| 30 Mar 2025 | 05:25 EDT | Detroit River / Ambassador Bridge | upbound |
| 28 Mar 2025 | 00:44 EDT | Detroit River / Ambassador Bridge | downbound |
| 27 Mar 2025 | 18:47 EDT | Port Huron / Blue Water Bridge | downbound |
| 26 Mar 2025 | 22:38 EDT | Soo Locks (St. Marys River) | downbound |
| 25 Mar 2025 | 06:35 CDT | Duluth Ship Canal | outbound |
January 2025 15 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 15 Jan 2025 | 08:59 CST | Duluth Ship Canal | inbound |
| 13 Jan 2025 | 14:20 EST | Soo Locks (St. Marys River) | upbound |
| 12 Jan 2025 | 05:43 EST | Port Huron / Blue Water Bridge | upbound |
| 12 Jan 2025 | 00:37 EST | Detroit River / Ambassador Bridge | upbound |
| 11 Jan 2025 | 05:30 EST | Detroit River / Ambassador Bridge | upbound |
| 10 Jan 2025 | 22:37 EST | Port Huron / Blue Water Bridge | downbound |
| 10 Jan 2025 | 00:28 EST | Soo Locks (St. Marys River) | downbound |
| 8 Jan 2025 | 16:48 CST | Duluth Ship Canal | outbound |
| 7 Jan 2025 | 09:40 CST | Duluth Ship Canal | inbound |
| 6 Jan 2025 | 03:46 EST | Soo Locks (St. Marys River) | upbound |
| 5 Jan 2025 | 00:00 EST | Port Huron / Blue Water Bridge | upbound |
| 4 Jan 2025 | 02:07 EST | Detroit River / Ambassador Bridge | upbound |
| 2 Jan 2025 | 14:28 EST | Detroit River / Ambassador Bridge | downbound |
| 2 Jan 2025 | 09:01 EST | Port Huron / Blue Water Bridge | downbound |
| 1 Jan 2025 | 12:18 EST | Soo Locks (St. Marys River) | downbound |
2024 season
December 2024 25 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 30 Dec 2024 | 15:44 CST | Duluth Ship Canal | inbound |
| 29 Dec 2024 | 13:53 EST | Soo Locks (St. Marys River) | upbound |
| 29 Dec 2024 | 04:48 EST | Straits of Mackinac | eastbound |
| 26 Dec 2024 | 09:49 EST | Straits of Mackinac | westbound |
| 24 Dec 2024 | 18:58 CST | Duluth Ship Canal | outbound |
| 24 Dec 2024 | 07:26 CST | Duluth Ship Canal | inbound |
| 22 Dec 2024 | 22:55 EST | Soo Locks (St. Marys River) | upbound |
| 22 Dec 2024 | 03:33 EST | Port Huron / Blue Water Bridge | upbound |
| 21 Dec 2024 | 21:54 EST | Detroit River / Ambassador Bridge | upbound |
| 20 Dec 2024 | 17:56 EST | Detroit River / Ambassador Bridge | downbound |
| 20 Dec 2024 | 12:33 EST | Port Huron / Blue Water Bridge | downbound |
| 19 Dec 2024 | 14:02 EST | Soo Locks (St. Marys River) | downbound |
| 15 Dec 2024 | 13:45 EST | Soo Locks (St. Marys River) | upbound |
| 14 Dec 2024 | 09:11 EST | Port Huron / Blue Water Bridge | upbound |
| 11 Dec 2024 | 20:34 EST | Detroit River / Ambassador Bridge | upbound |
| 11 Dec 2024 | 14:58 EST | Port Huron / Blue Water Bridge | downbound |
| 10 Dec 2024 | 19:33 EST | Soo Locks (St. Marys River) | downbound |
| 9 Dec 2024 | 06:36 EST | Soo Locks (St. Marys River) | upbound |
| 8 Dec 2024 | 04:07 EST | Port Huron / Blue Water Bridge | upbound |
| 7 Dec 2024 | 21:54 EST | Detroit River / Ambassador Bridge | upbound |
| 6 Dec 2024 | 13:45 EST | Detroit River / Ambassador Bridge | downbound |
| 6 Dec 2024 | 08:57 EST | Port Huron / Blue Water Bridge | downbound |
| 3 Dec 2024 | 23:03 EST | Soo Locks (St. Marys River) | downbound |
| 2 Dec 2024 | 14:26 CST | Duluth Ship Canal | outbound |
| 2 Dec 2024 | 07:42 CST | Duluth Ship Canal | inbound |
November 2024 21 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 28 Nov 2024 | 09:18 EST | Soo Locks (St. Marys River) | upbound |
| 28 Nov 2024 | 01:48 EST | Straits of Mackinac | eastbound |
| 21 Nov 2024 | 17:38 EST | Straits of Mackinac | westbound |
| 19 Nov 2024 | 00:27 EST | Port Huron / Blue Water Bridge | upbound |
| 18 Nov 2024 | 18:11 EST | Detroit River / Ambassador Bridge | upbound |
| 16 Nov 2024 | 16:09 EST | Detroit River / Ambassador Bridge | downbound |
| 16 Nov 2024 | 10:44 EST | Port Huron / Blue Water Bridge | downbound |
| 15 Nov 2024 | 14:50 EST | Soo Locks (St. Marys River) | downbound |
| 14 Nov 2024 | 02:32 CST | Duluth Ship Canal | outbound |
| 13 Nov 2024 | 06:28 CST | Duluth Ship Canal | inbound |
| 11 Nov 2024 | 23:39 EST | Soo Locks (St. Marys River) | upbound |
| 10 Nov 2024 | 23:26 EST | Straits of Mackinac | eastbound |
| 8 Nov 2024 | 12:31 EST | Straits of Mackinac | westbound |
| 7 Nov 2024 | 04:11 EST | Port Huron / Blue Water Bridge | upbound |
| 6 Nov 2024 | 22:52 EST | Detroit River / Ambassador Bridge | upbound |
| 6 Nov 2024 | 10:37 EST | Detroit River / Ambassador Bridge | upbound |
| 5 Nov 2024 | 19:04 EST | Port Huron / Blue Water Bridge | downbound |
| 4 Nov 2024 | 22:23 EST | Soo Locks (St. Marys River) | downbound |
| 3 Nov 2024 | 15:57 EST | Soo Locks (St. Marys River) | upbound |
| 2 Nov 2024 | 21:12 EDT | Port Huron / Blue Water Bridge | upbound |
| 2 Nov 2024 | 14:07 EDT | Detroit River / Ambassador Bridge | upbound |
October 2024 30 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 30 Oct 2024 | 23:46 EDT | Port Huron / Blue Water Bridge | downbound |
| 30 Oct 2024 | 00:55 EDT | Soo Locks (St. Marys River) | downbound |
| 27 Oct 2024 | 01:35 EDT | Soo Locks (St. Marys River) | upbound |
| 25 Oct 2024 | 07:18 EDT | Port Huron / Blue Water Bridge | upbound |
| 24 Oct 2024 | 23:28 EDT | Detroit River / Ambassador Bridge | upbound |
| 24 Oct 2024 | 04:24 EDT | Detroit River / Ambassador Bridge | downbound |
| 23 Oct 2024 | 21:08 EDT | Port Huron / Blue Water Bridge | downbound |
| 22 Oct 2024 | 19:24 EDT | Soo Locks (St. Marys River) | downbound |
| 21 Oct 2024 | 07:01 EDT | Soo Locks (St. Marys River) | upbound |
| 20 Oct 2024 | 07:03 EDT | Port Huron / Blue Water Bridge | upbound |
| 20 Oct 2024 | 00:32 EDT | Detroit River / Ambassador Bridge | upbound |
| 18 Oct 2024 | 18:33 EDT | Detroit River / Ambassador Bridge | upbound |
| 18 Oct 2024 | 11:42 EDT | Port Huron / Blue Water Bridge | downbound |
| 17 Oct 2024 | 04:51 EDT | Soo Locks (St. Marys River) | downbound |
| 15 Oct 2024 | 13:46 EDT | Soo Locks (St. Marys River) | upbound |
| 14 Oct 2024 | 12:08 EDT | Port Huron / Blue Water Bridge | upbound |
| 14 Oct 2024 | 04:46 EDT | Detroit River / Ambassador Bridge | upbound |
| 13 Oct 2024 | 19:12 EDT | Detroit River / Ambassador Bridge | upbound |
| 13 Oct 2024 | 08:19 EDT | Port Huron / Blue Water Bridge | downbound |
| 12 Oct 2024 | 11:59 EDT | Soo Locks (St. Marys River) | downbound |
| 10 Oct 2024 | 17:10 EDT | Soo Locks (St. Marys River) | upbound |
| 9 Oct 2024 | 18:43 EDT | Port Huron / Blue Water Bridge | upbound |
| 9 Oct 2024 | 13:20 EDT | Detroit River / Ambassador Bridge | upbound |
| 9 Oct 2024 | 00:47 EDT | Detroit River / Ambassador Bridge | upbound |
| 8 Oct 2024 | 18:40 EDT | Port Huron / Blue Water Bridge | downbound |
| 7 Oct 2024 | 22:26 EDT | Soo Locks (St. Marys River) | downbound |
| 4 Oct 2024 | 15:16 EDT | Soo Locks (St. Marys River) | upbound |
| 2 Oct 2024 | 22:29 EDT | Port Huron / Blue Water Bridge | upbound |
| 1 Oct 2024 | 19:28 EDT | Detroit River / Ambassador Bridge | upbound |
| 1 Oct 2024 | 14:00 EDT | Port Huron / Blue Water Bridge | downbound |
September 2024 26 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 30 Sep 2024 | 17:35 EDT | Soo Locks (St. Marys River) | downbound |
| 28 Sep 2024 | 03:17 EDT | Soo Locks (St. Marys River) | upbound |
| 27 Sep 2024 | 03:46 EDT | Straits of Mackinac | eastbound |
| 24 Sep 2024 | 12:22 EDT | Straits of Mackinac | westbound |
| 24 Sep 2024 | 05:00 EDT | Soo Locks (St. Marys River) | downbound |
| 22 Sep 2024 | 21:38 EDT | Soo Locks (St. Marys River) | upbound |
| 22 Sep 2024 | 02:43 EDT | Port Huron / Blue Water Bridge | upbound |
| 21 Sep 2024 | 20:38 EDT | Detroit River / Ambassador Bridge | upbound |
| 21 Sep 2024 | 09:02 EDT | Detroit River / Ambassador Bridge | upbound |
| 20 Sep 2024 | 17:39 EDT | Port Huron / Blue Water Bridge | downbound |
| 19 Sep 2024 | 21:25 EDT | Soo Locks (St. Marys River) | downbound |
| 17 Sep 2024 | 03:44 EDT | Soo Locks (St. Marys River) | upbound |
| 16 Sep 2024 | 07:24 EDT | Port Huron / Blue Water Bridge | upbound |
| 16 Sep 2024 | 01:07 EDT | Detroit River / Ambassador Bridge | upbound |
| 14 Sep 2024 | 16:31 EDT | Port Huron / Blue Water Bridge | downbound |
| 13 Sep 2024 | 19:55 EDT | Soo Locks (St. Marys River) | downbound |
| 11 Sep 2024 | 18:41 EDT | Soo Locks (St. Marys River) | upbound |
| 10 Sep 2024 | 15:09 EDT | Straits of Mackinac | eastbound |
| 8 Sep 2024 | 04:39 EDT | Straits of Mackinac | westbound |
| 7 Sep 2024 | 20:52 EDT | Soo Locks (St. Marys River) | downbound |
| 5 Sep 2024 | 08:41 EDT | Soo Locks (St. Marys River) | upbound |
| 4 Sep 2024 | 10:33 EDT | Port Huron / Blue Water Bridge | upbound |
| 4 Sep 2024 | 03:04 EDT | Detroit River / Ambassador Bridge | upbound |
| 3 Sep 2024 | 15:05 EDT | Detroit River / Ambassador Bridge | upbound |
| 3 Sep 2024 | 08:54 EDT | Port Huron / Blue Water Bridge | downbound |
| 2 Sep 2024 | 10:43 EDT | Soo Locks (St. Marys River) | downbound |
August 2024 21 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 31 Aug 2024 | 04:10 EDT | Soo Locks (St. Marys River) | upbound |
| 30 Aug 2024 | 19:17 EDT | Straits of Mackinac | eastbound |
| 28 Aug 2024 | 10:46 EDT | Straits of Mackinac | westbound |
| 28 Aug 2024 | 03:09 EDT | Soo Locks (St. Marys River) | downbound |
| 25 Aug 2024 | 08:14 EDT | Soo Locks (St. Marys River) | upbound |
| 25 Aug 2024 | 00:26 EDT | Straits of Mackinac | eastbound |
| 20 Aug 2024 | 09:44 EDT | Straits of Mackinac | westbound |
| 20 Aug 2024 | 02:00 EDT | Soo Locks (St. Marys River) | downbound |
| 18 Aug 2024 | 19:06 EDT | Soo Locks (St. Marys River) | upbound |
| 17 Aug 2024 | 21:16 EDT | Port Huron / Blue Water Bridge | upbound |
| 17 Aug 2024 | 14:25 EDT | Detroit River / Ambassador Bridge | upbound |
| 15 Aug 2024 | 12:58 EDT | Detroit River / Ambassador Bridge | downbound |
| 15 Aug 2024 | 07:10 EDT | Port Huron / Blue Water Bridge | downbound |
| 14 Aug 2024 | 09:19 EDT | Soo Locks (St. Marys River) | downbound |
| 12 Aug 2024 | 00:25 EDT | Soo Locks (St. Marys River) | upbound |
| 11 Aug 2024 | 00:19 EDT | Straits of Mackinac | eastbound |
| 5 Aug 2024 | 22:06 EDT | Straits of Mackinac | westbound |
| 5 Aug 2024 | 13:30 EDT | Soo Locks (St. Marys River) | downbound |
| 4 Aug 2024 | 07:21 EDT | Soo Locks (St. Marys River) | upbound |
| 3 Aug 2024 | 08:25 EDT | Port Huron / Blue Water Bridge | upbound |
| 3 Aug 2024 | 02:24 EDT | Detroit River / Ambassador Bridge | upbound |
July 2024 29 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 31 Jul 2024 | 09:24 EDT | Detroit River / Ambassador Bridge | downbound |
| 31 Jul 2024 | 01:51 EDT | Port Huron / Blue Water Bridge | downbound |
| 30 Jul 2024 | 03:36 EDT | Soo Locks (St. Marys River) | downbound |
| 27 Jul 2024 | 08:38 EDT | Soo Locks (St. Marys River) | upbound |
| 26 Jul 2024 | 12:36 EDT | Port Huron / Blue Water Bridge | upbound |
| 26 Jul 2024 | 06:42 EDT | Detroit River / Ambassador Bridge | upbound |
| 25 Jul 2024 | 18:15 EDT | Detroit River / Ambassador Bridge | downbound |
| 25 Jul 2024 | 12:52 EDT | Port Huron / Blue Water Bridge | downbound |
| 24 Jul 2024 | 15:28 EDT | Soo Locks (St. Marys River) | downbound |
| 23 Jul 2024 | 08:00 EDT | Soo Locks (St. Marys River) | upbound |
| 23 Jul 2024 | 00:15 EDT | Straits of Mackinac | eastbound |
| 20 Jul 2024 | 14:11 EDT | Straits of Mackinac | westbound |
| 20 Jul 2024 | 06:14 EDT | Soo Locks (St. Marys River) | downbound |
| 18 Jul 2024 | 02:22 EDT | Soo Locks (St. Marys River) | upbound |
| 15 Jul 2024 | 21:08 EDT | Port Huron / Blue Water Bridge | upbound |
| 15 Jul 2024 | 15:32 EDT | Detroit River / Ambassador Bridge | upbound |
| 14 Jul 2024 | 21:07 EDT | Detroit River / Ambassador Bridge | upbound |
| 14 Jul 2024 | 15:41 EDT | Port Huron / Blue Water Bridge | downbound |
| 13 Jul 2024 | 19:07 EDT | Soo Locks (St. Marys River) | downbound |
| 11 Jul 2024 | 23:29 EDT | Soo Locks (St. Marys River) | upbound |
| 10 Jul 2024 | 21:57 EDT | Straits of Mackinac | eastbound |
| 8 Jul 2024 | 13:34 EDT | Straits of Mackinac | westbound |
| 7 Jul 2024 | 19:19 EDT | Port Huron / Blue Water Bridge | upbound |
| 7 Jul 2024 | 10:53 EDT | Detroit River / Ambassador Bridge | upbound |
| 6 Jul 2024 | 14:27 EDT | Detroit River / Ambassador Bridge | downbound |
| 6 Jul 2024 | 08:51 EDT | Port Huron / Blue Water Bridge | downbound |
| 5 Jul 2024 | 12:12 EDT | Soo Locks (St. Marys River) | downbound |
| 3 Jul 2024 | 16:53 EDT | Soo Locks (St. Marys River) | upbound |
| 2 Jul 2024 | 15:24 EDT | Straits of Mackinac | eastbound |
June 2024 28 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 29 Jun 2024 | 17:59 EDT | Straits of Mackinac | westbound |
| 29 Jun 2024 | 10:02 EDT | Soo Locks (St. Marys River) | downbound |
| 28 Jun 2024 | 03:40 EDT | Soo Locks (St. Marys River) | upbound |
| 27 Jun 2024 | 18:55 EDT | Straits of Mackinac | eastbound |
| 25 Jun 2024 | 01:39 EDT | Straits of Mackinac | westbound |
| 24 Jun 2024 | 10:30 EDT | Straits of Mackinac | eastbound |
| 20 Jun 2024 | 23:05 EDT | Straits of Mackinac | westbound |
| 20 Jun 2024 | 14:45 EDT | Soo Locks (St. Marys River) | downbound |
| 18 Jun 2024 | 14:31 EDT | Soo Locks (St. Marys River) | upbound |
| 16 Jun 2024 | 21:26 EDT | Port Huron / Blue Water Bridge | upbound |
| 16 Jun 2024 | 13:31 EDT | Detroit River / Ambassador Bridge | upbound |
| 16 Jun 2024 | 02:04 EDT | Detroit River / Ambassador Bridge | upbound |
| 15 Jun 2024 | 18:58 EDT | Port Huron / Blue Water Bridge | downbound |
| 14 Jun 2024 | 22:56 EDT | Soo Locks (St. Marys River) | downbound |
| 13 Jun 2024 | 16:53 EDT | Soo Locks (St. Marys River) | upbound |
| 12 Jun 2024 | 20:37 EDT | Port Huron / Blue Water Bridge | upbound |
| 12 Jun 2024 | 13:28 EDT | Detroit River / Ambassador Bridge | upbound |
| 12 Jun 2024 | 00:53 EDT | Detroit River / Ambassador Bridge | upbound |
| 11 Jun 2024 | 18:13 EDT | Port Huron / Blue Water Bridge | downbound |
| 10 Jun 2024 | 22:25 EDT | Soo Locks (St. Marys River) | downbound |
| 8 Jun 2024 | 22:39 EDT | Soo Locks (St. Marys River) | upbound |
| 7 Jun 2024 | 13:47 EDT | Straits of Mackinac | eastbound |
| 5 Jun 2024 | 00:46 EDT | Straits of Mackinac | westbound |
| 4 Jun 2024 | 16:25 EDT | Soo Locks (St. Marys River) | downbound |
| 3 Jun 2024 | 07:56 EDT | Soo Locks (St. Marys River) | upbound |
| 2 Jun 2024 | 10:07 EDT | Port Huron / Blue Water Bridge | upbound |
| 1 Jun 2024 | 17:16 EDT | Detroit River / Ambassador Bridge | upbound |
| 1 Jun 2024 | 07:09 EDT | Port Huron / Blue Water Bridge | downbound |
May 2024 28 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 31 May 2024 | 08:30 EDT | Soo Locks (St. Marys River) | downbound |
| 29 May 2024 | 12:48 EDT | Soo Locks (St. Marys River) | upbound |
| 28 May 2024 | 17:23 EDT | Port Huron / Blue Water Bridge | upbound |
| 28 May 2024 | 09:18 EDT | Detroit River / Ambassador Bridge | upbound |
| 27 May 2024 | 07:57 EDT | Detroit River / Ambassador Bridge | upbound |
| 26 May 2024 | 23:23 EDT | Port Huron / Blue Water Bridge | downbound |
| 26 May 2024 | 02:07 EDT | Soo Locks (St. Marys River) | downbound |
| 24 May 2024 | 17:54 EDT | Soo Locks (St. Marys River) | upbound |
| 24 May 2024 | 08:30 EDT | Straits of Mackinac | eastbound |
| 21 May 2024 | 19:13 EDT | Straits of Mackinac | westbound |
| 20 May 2024 | 16:02 EDT | Straits of Mackinac | eastbound |
| 18 May 2024 | 08:15 EDT | Straits of Mackinac | westbound |
| 18 May 2024 | 00:54 EDT | Soo Locks (St. Marys River) | downbound |
| 16 May 2024 | 15:29 EDT | Soo Locks (St. Marys River) | upbound |
| 16 May 2024 | 08:00 EDT | Straits of Mackinac | eastbound |
| 12 May 2024 | 22:18 EDT | Straits of Mackinac | westbound |
| 12 May 2024 | 13:55 EDT | Soo Locks (St. Marys River) | downbound |
| 11 May 2024 | 04:57 EDT | Soo Locks (St. Marys River) | upbound |
| 10 May 2024 | 20:21 EDT | Straits of Mackinac | eastbound |
| 8 May 2024 | 03:34 EDT | Straits of Mackinac | westbound |
| 6 May 2024 | 15:43 EDT | Port Huron / Blue Water Bridge | upbound |
| 6 May 2024 | 09:10 EDT | Detroit River / Ambassador Bridge | upbound |
| 5 May 2024 | 22:21 EDT | Detroit River / Ambassador Bridge | upbound |
| 5 May 2024 | 16:09 EDT | Port Huron / Blue Water Bridge | downbound |
| 4 May 2024 | 21:09 EDT | Soo Locks (St. Marys River) | downbound |
| 3 May 2024 | 14:22 EDT | Soo Locks (St. Marys River) | upbound |
| 3 May 2024 | 06:27 EDT | Straits of Mackinac | eastbound |
| 30 Apr 2024 | 23:43 EDT | Straits of Mackinac | westbound |
April 2024 35 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 30 Apr 2024 | 12:27 EDT | Soo Locks (St. Marys River) | downbound |
| 29 Apr 2024 | 00:39 EDT | Soo Locks (St. Marys River) | upbound |
| 28 Apr 2024 | 04:38 EDT | Port Huron / Blue Water Bridge | upbound |
| 27 Apr 2024 | 22:57 EDT | Detroit River / Ambassador Bridge | upbound |
| 27 Apr 2024 | 06:20 EDT | Detroit River / Ambassador Bridge | upbound |
| 26 Apr 2024 | 21:55 EDT | Port Huron / Blue Water Bridge | downbound |
| 26 Apr 2024 | 01:51 EDT | Soo Locks (St. Marys River) | downbound |
| 24 Apr 2024 | 18:43 EDT | Soo Locks (St. Marys River) | upbound |
| 23 Apr 2024 | 22:03 EDT | Port Huron / Blue Water Bridge | upbound |
| 23 Apr 2024 | 15:56 EDT | Detroit River / Ambassador Bridge | upbound |
| 21 Apr 2024 | 17:06 EDT | Detroit River / Ambassador Bridge | upbound |
| 21 Apr 2024 | 11:33 EDT | Port Huron / Blue Water Bridge | downbound |
| 20 Apr 2024 | 15:50 EDT | Soo Locks (St. Marys River) | downbound |
| 19 Apr 2024 | 04:02 EDT | Soo Locks (St. Marys River) | upbound |
| 18 Apr 2024 | 03:50 EDT | Port Huron / Blue Water Bridge | upbound |
| 17 Apr 2024 | 21:44 EDT | Detroit River / Ambassador Bridge | upbound |
| 17 Apr 2024 | 13:33 EDT | Detroit River / Ambassador Bridge | upbound |
| 17 Apr 2024 | 06:48 EDT | Port Huron / Blue Water Bridge | downbound |
| 16 Apr 2024 | 08:59 EDT | Soo Locks (St. Marys River) | downbound |
| 15 Apr 2024 | 05:45 EDT | Soo Locks (St. Marys River) | upbound |
| 14 Apr 2024 | 08:28 EDT | Port Huron / Blue Water Bridge | upbound |
| 14 Apr 2024 | 01:34 EDT | Detroit River / Ambassador Bridge | upbound |
| 13 Apr 2024 | 12:56 EDT | Detroit River / Ambassador Bridge | upbound |
| 11 Apr 2024 | 22:34 EDT | Port Huron / Blue Water Bridge | downbound |
| 11 Apr 2024 | 02:16 EDT | Soo Locks (St. Marys River) | downbound |
| 9 Apr 2024 | 21:07 EDT | Soo Locks (St. Marys River) | upbound |
| 8 Apr 2024 | 20:45 EDT | Detroit River / Ambassador Bridge | upbound |
| 8 Apr 2024 | 01:01 EDT | Detroit River / Ambassador Bridge | downbound |
| 7 Apr 2024 | 18:41 EDT | Port Huron / Blue Water Bridge | downbound |
| 6 Apr 2024 | 23:17 EDT | Soo Locks (St. Marys River) | downbound |
| 5 Apr 2024 | 14:49 CDT | Duluth Ship Canal | outbound |
| 4 Apr 2024 | 18:45 CDT | Duluth Ship Canal | inbound |
| 2 Apr 2024 | 05:26 EDT | Soo Locks (St. Marys River) | upbound |
| 1 Apr 2024 | 09:00 EDT | Port Huron / Blue Water Bridge | upbound |
| 1 Apr 2024 | 02:34 EDT | Detroit River / Ambassador Bridge | upbound |
March 2024 4 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 31 Mar 2024 | 15:27 EDT | Detroit River / Ambassador Bridge | upbound |
| 31 Mar 2024 | 08:55 EDT | Port Huron / Blue Water Bridge | downbound |
| 30 Mar 2024 | 08:00 EDT | Soo Locks (St. Marys River) | downbound |
| 27 Mar 2024 | 21:59 CDT | Duluth Ship Canal | outbound |
January 2024 16 passages
| Date | Local time | Chokepoint | Direction |
|---|---|---|---|
| 15 Jan 2024 | 11:26 CST | Duluth Ship Canal | inbound |
| 14 Jan 2024 | 00:47 EST | Soo Locks (St. Marys River) | upbound |
| 11 Jan 2024 | 19:59 EST | Port Huron / Blue Water Bridge | upbound |
| 11 Jan 2024 | 14:30 EST | Detroit River / Ambassador Bridge | upbound |
| 11 Jan 2024 | 02:20 EST | Detroit River / Ambassador Bridge | upbound |
| 10 Jan 2024 | 20:46 EST | Port Huron / Blue Water Bridge | downbound |
| 9 Jan 2024 | 11:56 EST | Soo Locks (St. Marys River) | downbound |
| 8 Jan 2024 | 04:03 EST | Soo Locks (St. Marys River) | upbound |
| 7 Jan 2024 | 06:11 EST | Port Huron / Blue Water Bridge | upbound |
| 7 Jan 2024 | 00:33 EST | Detroit River / Ambassador Bridge | upbound |
| 6 Jan 2024 | 09:34 EST | Detroit River / Ambassador Bridge | downbound |
| 6 Jan 2024 | 02:58 EST | Port Huron / Blue Water Bridge | downbound |
| 5 Jan 2024 | 04:47 EST | Soo Locks (St. Marys River) | downbound |
| 3 Jan 2024 | 20:35 EST | Soo Locks (St. Marys River) | upbound |
| 2 Jan 2024 | 16:10 EST | Port Huron / Blue Water Bridge | upbound |
| 2 Jan 2024 | 09:07 EST | Detroit River / Ambassador Bridge | upbound |