Passage log
Soo Locks (St. Marys River), December 2025
254 recorded passages by 68 distinct vessels, in the order they happened. Times are shown in Eastern time and are accurate to roughly ±15 minutes.
- 254 Passages
- 68 Distinct vessels
- 8.2 Per day Across the whole month
- 17 Busiest day Thursday, 18 December 2025
The log
| Date | Local time | Vessel | Direction |
|---|---|---|---|
| 30 Nov 2025 | 19:50 EST | RT HON Paul J Martin | upbound |
| 30 Nov 2025 | 20:50 EST | American Spirit | upbound |
| 30 Nov 2025 | 23:00 EST | Great Republic | upbound |
| 1 Dec 2025 | 02:44 EST | Paul R Tregurtha | upbound |
| 1 Dec 2025 | 06:03 EST | Stewart J Cort | downbound |
| 1 Dec 2025 | 10:16 EST | Dirk S. Vanenkevort | upbound |
| 1 Dec 2025 | 11:11 EST | Capt. Henry Jackman | downbound |
| 1 Dec 2025 | 12:29 EST | CSL St-Laurent | downbound |
| 1 Dec 2025 | 13:17 EST | Federal Welland | upbound |
| 1 Dec 2025 | 14:38 EST | American Mariner | downbound |
| 1 Dec 2025 | 16:37 EST | American Integrity | upbound |
| 1 Dec 2025 | 18:04 EST | Thunder Bay | downbound |
| 1 Dec 2025 | 18:49 EST | Walter J McCarthy Jr | upbound |
| 2 Dec 2025 | 06:30 EST | Edwin H Gott | downbound |
| 2 Dec 2025 | 09:09 EST | Joyce L Vanenkevort | downbound |
| 2 Dec 2025 | 10:24 EST | Blair McKeil | downbound |
| 2 Dec 2025 | 11:58 EST | Helena G | upbound |
| 2 Dec 2025 | 12:47 EST | Kaye E Barker | downbound |
| 2 Dec 2025 | 13:46 EST | John G Munson | downbound |
| 2 Dec 2025 | 16:58 EST | H Lee White | upbound |
| 3 Dec 2025 | 00:18 EST | Algoma Bear | downbound |
| 3 Dec 2025 | 01:58 EST | Edgar B Speer | downbound |
| 3 Dec 2025 | 03:10 EST | John D Leitch | downbound |
| 3 Dec 2025 | 04:42 EST | Burns Harbor | upbound |
| 3 Dec 2025 | 11:12 EST | Kathy McKeil | upbound |
| 3 Dec 2025 | 12:51 EST | Lee A Tregurtha | downbound |
| 3 Dec 2025 | 14:15 EST | Algoma Guardian | downbound |
| 3 Dec 2025 | 16:18 EST | Indiana Harbor | upbound |
| 3 Dec 2025 | 17:05 EST | Heemskerkgracht | upbound |
| 3 Dec 2025 | 18:52 EST | NACC Alicudi | upbound |
| 3 Dec 2025 | 20:03 EST | Saginaw | downbound |
| 4 Dec 2025 | 04:21 EST | Joseph L Block | upbound |
| 4 Dec 2025 | 07:24 EST | STR Wilfred Sykes | downbound |
| 4 Dec 2025 | 12:52 EST | Algoma Harvester | upbound |
| 4 Dec 2025 | 15:19 EST | Manitoulin | upbound |
| 4 Dec 2025 | 16:54 EST | RT HON Paul J Martin | downbound |
| 4 Dec 2025 | 18:15 EST | Whitefish Bay | downbound |
| 4 Dec 2025 | 20:30 EST | James R Barker | upbound |
| 4 Dec 2025 | 21:16 EST | CSL Niagara | upbound |
| 5 Dec 2025 | 08:39 EST | American Integrity | downbound |
| 5 Dec 2025 | 09:51 EST | American Century | upbound |
| 5 Dec 2025 | 11:16 EST | John J Boland | downbound |
| 5 Dec 2025 | 14:54 EST | American Spirit | downbound |
| 5 Dec 2025 | 17:33 EST | Hudsongracht | upbound |
| 6 Dec 2025 | 07:09 EST | G3 Marquis | upbound |
| 6 Dec 2025 | 09:18 EST | Dirk S. Vanenkevort | downbound |
| 6 Dec 2025 | 10:30 EST | Edwin H Gott | upbound |
| 6 Dec 2025 | 12:17 EST | Joseph L Block | downbound |
| 6 Dec 2025 | 15:12 EST | Stewart J Cort | upbound |
| 6 Dec 2025 | 17:05 EST | Victory | upbound |
| 6 Dec 2025 | 22:02 EST | Edgar B Speer | upbound |
| 7 Dec 2025 | 06:11 EST | Helena G | downbound |
| 7 Dec 2025 | 07:45 EST | Patagonman | downbound |
| 7 Dec 2025 | 07:50 EST | H Lee White | downbound |
| 7 Dec 2025 | 09:32 EST | Kathy McKeil | downbound |
| 7 Dec 2025 | 14:15 EST | Walter J McCarthy Jr | downbound |
| 7 Dec 2025 | 23:42 EST | Lee A Tregurtha | upbound |
| 8 Dec 2025 | 01:35 EST | Indiana Harbor | downbound |
| 8 Dec 2025 | 02:32 EST | Kaye E Barker | upbound |
| 8 Dec 2025 | 11:00 EST | NACC Alicudi | downbound |
| 8 Dec 2025 | 13:13 EST | Victory | downbound |
| 8 Dec 2025 | 14:30 EST | Algoma Harvester | downbound |
| 8 Dec 2025 | 15:30 EST | Algoma Discovery | downbound |
| 8 Dec 2025 | 16:53 EST | CSL Niagara | downbound |
| 8 Dec 2025 | 18:35 EST | American Century | downbound |
| 8 Dec 2025 | 18:53 EST | Great Republic | downbound |
| 8 Dec 2025 | 19:58 EST | Manitoulin | downbound |
| 8 Dec 2025 | 23:43 EST | Burns Harbor | downbound |
| 9 Dec 2025 | 03:17 EST | American Mariner | upbound |
| 9 Dec 2025 | 04:11 EST | John G Munson | upbound |
| 9 Dec 2025 | 05:56 EST | Paul R Tregurtha | upbound |
| 9 Dec 2025 | 07:05 EST | Mesabi Miner | upbound |
| 9 Dec 2025 | 08:17 EST | American Integrity | upbound |
| 9 Dec 2025 | 09:15 EST | Algoma Intrepid | upbound |
| 9 Dec 2025 | 10:44 EST | Algoma Bear | upbound |
| 9 Dec 2025 | 18:58 EST | Edgar B Speer | downbound |
| 9 Dec 2025 | 19:37 EST | American Spirit | upbound |
| 9 Dec 2025 | 22:30 EST | James R Barker | downbound |
| 10 Dec 2025 | 00:04 EST | Kaye E Barker | downbound |
| 10 Dec 2025 | 04:55 EST | Lee A Tregurtha | downbound |
| 10 Dec 2025 | 06:28 EST | Stewart J Cort | downbound |
| 10 Dec 2025 | 09:02 EST | Edwin H Gott | downbound |
| 10 Dec 2025 | 10:56 EST | Federal Minnesota | downbound |
| 10 Dec 2025 | 11:40 EST | Joseph L Block | upbound |
| 10 Dec 2025 | 14:03 EST | Dirk S. Vanenkevort | upbound |
| 10 Dec 2025 | 15:49 EST | Algoma Mariner | upbound |
| 10 Dec 2025 | 20:11 EST | Frontenac | upbound |
| 11 Dec 2025 | 09:57 EST | Lubie | downbound |
| 11 Dec 2025 | 11:23 EST | G3 Marquis | downbound |
| 11 Dec 2025 | 15:41 EST | CSL Welland | upbound |
| 11 Dec 2025 | 16:54 EST | Polsteam Rudno | upbound |
| 11 Dec 2025 | 17:52 EST | Kaministiqua | upbound |
| 11 Dec 2025 | 18:44 EST | CSL Laurentien | upbound |
| 12 Dec 2025 | 03:07 EST | Algoma Equinox | upbound |
| 12 Dec 2025 | 04:41 EST | John G Munson | downbound |
| 12 Dec 2025 | 08:30 EST | Paul R Tregurtha | downbound |
| 12 Dec 2025 | 13:17 EST | American Integrity | downbound |
| 12 Dec 2025 | 15:11 EST | Baie St Paul | upbound |
| 12 Dec 2025 | 17:57 EST | Mesabi Miner | downbound |
| 12 Dec 2025 | 19:17 EST | Algoma Bear | downbound |
| 12 Dec 2025 | 22:08 EST | Walter J McCarthy Jr | upbound |
| 12 Dec 2025 | 23:44 EST | Joseph L Block | downbound |
| 13 Dec 2025 | 11:29 EST | H Lee White | upbound |
| 13 Dec 2025 | 15:10 EST | Victory | upbound |
| 13 Dec 2025 | 17:06 EST | CSL St-Laurent | upbound |
| 13 Dec 2025 | 18:45 EST | Undaunted | upbound |
| 13 Dec 2025 | 21:04 EST | STR Wilfred Sykes | upbound |
| 13 Dec 2025 | 22:06 EST | Indiana Harbor | upbound |
| 14 Dec 2025 | 04:54 EST | Edgar B Speer | upbound |
| 14 Dec 2025 | 10:43 EST | Burns Harbor | upbound |
| 14 Dec 2025 | 11:31 EST | Great Republic | upbound |
| 14 Dec 2025 | 12:12 EST | Federal Welland | downbound |
| 14 Dec 2025 | 13:01 EST | Undaunted | downbound |
| 14 Dec 2025 | 13:12 EST | Herbert C Jackson | upbound |
| 14 Dec 2025 | 14:41 EST | Frontenac | downbound |
| 14 Dec 2025 | 16:53 EST | Algoma Mariner | downbound |
| 14 Dec 2025 | 17:24 EST | Lee A Tregurtha | upbound |
| 14 Dec 2025 | 20:10 EST | American Spirit | downbound |
| 14 Dec 2025 | 22:46 EST | CSL Laurentien | downbound |
| 15 Dec 2025 | 00:15 EST | Dirk S. Vanenkevort | downbound |
| 15 Dec 2025 | 01:55 EST | Edwin H Gott | upbound |
| 15 Dec 2025 | 03:14 EST | American Century | upbound |
| 15 Dec 2025 | 05:03 EST | American Mariner | downbound |
| 15 Dec 2025 | 08:35 EST | Kathy McKeil | upbound |
| 15 Dec 2025 | 11:10 EST | John G Munson | upbound |
| 15 Dec 2025 | 15:58 EST | CSL Welland | downbound |
| 15 Dec 2025 | 18:11 EST | Kaye E Barker | upbound |
| 15 Dec 2025 | 20:15 EST | Saginaw | upbound |
| 15 Dec 2025 | 22:32 EST | Herbert C Jackson | downbound |
| 16 Dec 2025 | 00:44 EST | Manitoulin | upbound |
| 16 Dec 2025 | 02:37 EST | Algoma Intrepid | downbound |
| 16 Dec 2025 | 03:09 EST | STR Wilfred Sykes | downbound |
| 16 Dec 2025 | 05:00 EST | James R Barker | upbound |
| 16 Dec 2025 | 08:26 EST | Whitefish Bay | upbound |
| 17 Dec 2025 | 10:44 EST | Algoma Equinox | downbound |
| 17 Dec 2025 | 13:14 EST | Max Cavalier | upbound |
| 17 Dec 2025 | 14:24 EST | Kaministiqua | downbound |
| 17 Dec 2025 | 20:04 EST | American Integrity | upbound |
| 17 Dec 2025 | 20:43 EST | Stewart J Cort | upbound |
| 18 Dec 2025 | 00:32 EST | Walter J McCarthy Jr | downbound |
| 18 Dec 2025 | 01:26 EST | Capt. Henry Jackman | upbound |
| 18 Dec 2025 | 02:39 EST | RT HON Paul J Martin | upbound |
| 18 Dec 2025 | 04:04 EST | Joyce L Vanenkevort | upbound |
| 18 Dec 2025 | 07:56 EST | Lee A Tregurtha | downbound |
| 18 Dec 2025 | 09:07 EST | Edgar B Speer | downbound |
| 18 Dec 2025 | 09:31 EST | Kathy McKeil | downbound |
| 18 Dec 2025 | 09:54 EST | Polsteam Rudno | downbound |
| 18 Dec 2025 | 10:05 EST | Paul R Tregurtha | upbound |
| 18 Dec 2025 | 12:48 EST | John G Munson | downbound |
| 18 Dec 2025 | 13:50 EST | Atlantic Huron | upbound |
| 18 Dec 2025 | 16:35 EST | Mesabi Miner | upbound |
| 18 Dec 2025 | 17:01 EST | Alicia G | upbound |
| 18 Dec 2025 | 17:40 EST | Joseph L Block | upbound |
| 18 Dec 2025 | 19:59 EST | Burns Harbor | downbound |
| 18 Dec 2025 | 21:07 EST | Baie St Paul | downbound |
| 18 Dec 2025 | 23:31 EST | Victory | downbound |
| 19 Dec 2025 | 00:02 EST | CSL St-Laurent | downbound |
| 19 Dec 2025 | 01:21 EST | American Century | downbound |
| 19 Dec 2025 | 02:58 EST | Indiana Harbor | downbound |
| 19 Dec 2025 | 05:48 EST | Heemskerkgracht | downbound |
| 19 Dec 2025 | 14:38 EST | American Spirit | upbound |
| 19 Dec 2025 | 15:33 EST | Robert S Pierson | upbound |
| 19 Dec 2025 | 16:09 EST | John J Boland | upbound |
| 19 Dec 2025 | 22:46 EST | Dirk S. Vanenkevort | upbound |
| 19 Dec 2025 | 22:50 EST | American Mariner | upbound |
| 20 Dec 2025 | 02:58 EST | Kaye E Barker | downbound |
| 20 Dec 2025 | 04:08 EST | Edwin H Gott | downbound |
| 20 Dec 2025 | 04:28 EST | Saginaw | downbound |
| 20 Dec 2025 | 06:17 EST | Whitefish Bay | downbound |
| 20 Dec 2025 | 11:17 EST | Algoma Guardian | upbound |
| 20 Dec 2025 | 16:45 EST | H Lee White | downbound |
| 20 Dec 2025 | 18:27 EST | Manitoulin | downbound |
| 21 Dec 2025 | 01:11 EST | STR Wilfred Sykes | upbound |
| 21 Dec 2025 | 15:55 EST | Great Republic | downbound |
| 22 Dec 2025 | 00:45 EST | Paul R Tregurtha | downbound |
| 22 Dec 2025 | 03:30 EST | Capt. Henry Jackman | downbound |
| 22 Dec 2025 | 03:59 EST | Frontenac | upbound |
| 22 Dec 2025 | 04:57 EST | Joyce L Vanenkevort | downbound |
| 22 Dec 2025 | 06:23 EST | Joseph L Block | downbound |
| 22 Dec 2025 | 09:28 EST | Hudsongracht | downbound |
| 22 Dec 2025 | 12:05 EST | James R Barker | downbound |
| 22 Dec 2025 | 13:55 EST | Walter J McCarthy Jr | upbound |
| 22 Dec 2025 | 16:24 EST | Alicia G | downbound |
| 22 Dec 2025 | 17:59 EST | Edgar B Speer | upbound |
| 22 Dec 2025 | 18:10 EST | Manitowoc | upbound |
| 22 Dec 2025 | 19:28 EST | American Mariner | downbound |
| 22 Dec 2025 | 22:16 EST | Kathy McKeil | upbound |
| 22 Dec 2025 | 22:29 EST | Atlantic Huron | downbound |
| 23 Dec 2025 | 02:12 EST | Manitowoc | downbound |
| 23 Dec 2025 | 10:51 EST | CSL Assiniboine | upbound |
| 23 Dec 2025 | 11:05 EST | American Integrity | downbound |
| 23 Dec 2025 | 11:12 EST | Herbert C Jackson | upbound |
| 23 Dec 2025 | 12:18 EST | STR Wilfred Sykes | downbound |
| 23 Dec 2025 | 13:58 EST | RT HON Paul J Martin | downbound |
| 23 Dec 2025 | 16:19 EST | American Century | upbound |
| 24 Dec 2025 | 00:46 EST | Northern Venture | upbound |
| 24 Dec 2025 | 03:21 EST | Burns Harbor | upbound |
| 24 Dec 2025 | 04:02 EST | John G Munson | upbound |
| 24 Dec 2025 | 08:38 EST | Blair McKeil | upbound |
| 24 Dec 2025 | 12:24 EST | Manitoulin | upbound |
| 24 Dec 2025 | 13:59 EST | Dirk S. Vanenkevort | downbound |
| 24 Dec 2025 | 14:40 EST | Algoma Intrepid | upbound |
| 24 Dec 2025 | 16:09 EST | American Spirit | downbound |
| 24 Dec 2025 | 16:27 EST | Frontenac | downbound |
| 24 Dec 2025 | 17:32 EST | Indiana Harbor | upbound |
| 24 Dec 2025 | 18:35 EST | Stewart J Cort | downbound |
| 24 Dec 2025 | 18:57 EST | Robert S Pierson | downbound |
| 24 Dec 2025 | 20:05 EST | H Lee White | upbound |
| 24 Dec 2025 | 21:55 EST | Mesabi Miner | downbound |
| 24 Dec 2025 | 23:35 EST | Lee A Tregurtha | upbound |
| 25 Dec 2025 | 00:42 EST | John J Boland | downbound |
| 25 Dec 2025 | 06:29 EST | Edwin H Gott | upbound |
| 25 Dec 2025 | 10:25 EST | Algoma Guardian | downbound |
| 25 Dec 2025 | 10:48 EST | Algoma Harvester | upbound |
| 25 Dec 2025 | 10:49 EST | Herbert C Jackson | downbound |
| 25 Dec 2025 | 12:43 EST | Great Republic | upbound |
| 25 Dec 2025 | 13:16 EST | Edgar B Speer | downbound |
| 25 Dec 2025 | 15:22 EST | NACC Alicudi | upbound |
| 25 Dec 2025 | 20:56 EST | Paul R Tregurtha | upbound |
| 25 Dec 2025 | 22:20 EST | James R Barker | upbound |
| 26 Dec 2025 | 05:17 EST | Kaye E Barker | upbound |
| 26 Dec 2025 | 07:11 EST | Victory | upbound |
| 26 Dec 2025 | 10:43 EST | American Mariner | upbound |
| 26 Dec 2025 | 12:50 EST | Algoma Sault | upbound |
| 26 Dec 2025 | 18:50 EST | Joseph L Block | upbound |
| 26 Dec 2025 | 22:40 EST | American Century | downbound |
| 27 Dec 2025 | 00:02 EST | Lee A Tregurtha | downbound |
| 27 Dec 2025 | 03:37 EST | American Integrity | upbound |
| 27 Dec 2025 | 04:22 EST | Max Cavalier | downbound |
| 27 Dec 2025 | 05:50 EST | Walter J McCarthy Jr | downbound |
| 27 Dec 2025 | 09:55 EST | Kathy McKeil | downbound |
| 27 Dec 2025 | 11:25 EST | John G Munson | downbound |
| 27 Dec 2025 | 11:39 EST | Blair McKeil | downbound |
| 27 Dec 2025 | 13:37 EST | Algoma Strongfield | upbound |
| 27 Dec 2025 | 16:18 EST | Indiana Harbor | downbound |
| 27 Dec 2025 | 17:37 EST | Kaye E Barker | downbound |
| 27 Dec 2025 | 18:48 EST | G3 Marquis | upbound |
| 27 Dec 2025 | 21:00 EST | Algoma Intrepid | downbound |
| 27 Dec 2025 | 22:31 EST | Burns Harbor | downbound |
| 27 Dec 2025 | 23:45 EST | CSL Assiniboine | downbound |
| 28 Dec 2025 | 00:12 EST | Great Republic | downbound |
| 28 Dec 2025 | 04:41 EST | Edwin H Gott | downbound |
| 28 Dec 2025 | 12:15 EST | Algoma Harvester | downbound |
| 28 Dec 2025 | 13:48 EST | Dirk S. Vanenkevort | upbound |
| 28 Dec 2025 | 15:34 EST | NACC Alicudi | downbound |
| 28 Dec 2025 | 17:05 EST | Mesabi Miner | upbound |
| 28 Dec 2025 | 21:35 EST | Edgar B Speer | upbound |
| 29 Dec 2025 | 04:19 EST | American Mariner | downbound |
| 30 Dec 2025 | 10:31 EST | Northern Venture | downbound |
| 30 Dec 2025 | 21:32 EST | Algoma Sault | downbound |
| 31 Dec 2025 | 00:21 EST | Paul R Tregurtha | downbound |
| 31 Dec 2025 | 02:58 EST | James R Barker | downbound |
| 31 Dec 2025 | 04:49 EST | Algoma Strongfield | downbound |
| 31 Dec 2025 | 17:32 EST | American Integrity | downbound |
Times are interpolated from AIS track samples, good to about fifteen minutes, and shown in Eastern time. A passage is a track crossing our gate line, not an official lock record.