Passage log
Straits of Mackinac, August 2025
227 recorded passages by 54 distinct vessels, in the order they happened. Times are shown in Eastern time and are accurate to roughly ±15 minutes.
- 227 Passages
- 54 Distinct vessels
- 7.3 Per day Across the whole month
- 10 Busiest day Tuesday, 26 August 2025
The log
| Date | Local time | Vessel | Direction |
|---|---|---|---|
| 31 Jul 2025 | 21:59 EDT | STR Wilfred Sykes | eastbound |
| 31 Jul 2025 | 22:36 EDT | Algoma Innovator | eastbound |
| 1 Aug 2025 | 00:19 EDT | Burns Harbor | eastbound |
| 1 Aug 2025 | 00:59 EDT | Joseph L Block | eastbound |
| 1 Aug 2025 | 05:05 EDT | Edwin H Gott | westbound |
| 1 Aug 2025 | 12:51 EDT | Great Republic | westbound |
| 1 Aug 2025 | 15:10 EDT | American Century | eastbound |
| 1 Aug 2025 | 19:24 EDT | John J Boland | eastbound |
| 1 Aug 2025 | 22:11 EDT | Samuel de Champlain | westbound |
| 2 Aug 2025 | 00:32 EDT | Manitowoc | westbound |
| 2 Aug 2025 | 04:19 EDT | Bradshaw McKee | eastbound |
| 2 Aug 2025 | 13:09 EDT | Mesabi Miner | eastbound |
| 2 Aug 2025 | 14:43 EDT | Exeborg | eastbound |
| 2 Aug 2025 | 16:14 EDT | Albert | eastbound |
| 2 Aug 2025 | 22:51 EDT | Viking Polaris | westbound |
| 2 Aug 2025 | 23:26 EDT | Herbert C Jackson | westbound |
| 3 Aug 2025 | 05:48 EDT | Lee A Tregurtha | eastbound |
| 3 Aug 2025 | 06:06 EDT | Algoma Bear | eastbound |
| 3 Aug 2025 | 08:34 EDT | Roerborg | westbound |
| 3 Aug 2025 | 12:51 EDT | American Spirit | eastbound |
| 3 Aug 2025 | 17:26 EDT | Mark W. Barker | eastbound |
| 3 Aug 2025 | 20:10 EDT | Algoma Niagara | westbound |
| 3 Aug 2025 | 21:00 EDT | Northern Venture | westbound |
| 3 Aug 2025 | 21:24 EDT | Edwin H Gott | eastbound |
| 3 Aug 2025 | 23:30 EDT | James R Barker | westbound |
| 4 Aug 2025 | 03:36 EDT | Joseph L Block | westbound |
| 4 Aug 2025 | 04:59 EDT | Great Republic | eastbound |
| 4 Aug 2025 | 09:26 EDT | Kaye E Barker | westbound |
| 4 Aug 2025 | 10:47 EDT | G L Ostrander | eastbound |
| 4 Aug 2025 | 10:59 EDT | Viking Polaris | eastbound |
| 4 Aug 2025 | 12:25 EDT | Baie Comeau | westbound |
| 4 Aug 2025 | 23:05 EDT | Great Republic | westbound |
| 5 Aug 2025 | 08:12 EDT | Stewart J Cort | eastbound |
| 5 Aug 2025 | 09:00 EDT | G L Ostrander | westbound |
| 5 Aug 2025 | 09:01 EDT | Northern Venture | eastbound |
| 5 Aug 2025 | 11:20 EDT | John G Munson | westbound |
| 5 Aug 2025 | 11:48 EDT | Algoma Compass | westbound |
| 5 Aug 2025 | 15:05 EDT | American Mariner | westbound |
| 6 Aug 2025 | 02:27 EDT | Federal Baltic | westbound |
| 6 Aug 2025 | 05:59 EDT | Samuel de Champlain | eastbound |
| 6 Aug 2025 | 06:02 EDT | Kaye E Barker | eastbound |
| 6 Aug 2025 | 16:35 EDT | Lee A Tregurtha | westbound |
| 6 Aug 2025 | 16:36 EDT | Undaunted | eastbound |
| 6 Aug 2025 | 18:28 EDT | Joseph L Block | eastbound |
| 6 Aug 2025 | 19:12 EDT | Calumet | westbound |
| 7 Aug 2025 | 02:04 EDT | Herbert C Jackson | eastbound |
| 7 Aug 2025 | 06:54 EDT | James R Barker | eastbound |
| 7 Aug 2025 | 10:23 EDT | Bradshaw McKee | westbound |
| 7 Aug 2025 | 16:22 EDT | Algoma Compass | eastbound |
| 7 Aug 2025 | 18:37 EDT | John G Munson | eastbound |
| 7 Aug 2025 | 18:41 EDT | Baie Comeau | eastbound |
| 7 Aug 2025 | 21:22 EDT | Algoma Intrepid | westbound |
| 7 Aug 2025 | 23:38 EDT | Algoma Niagara | eastbound |
| 8 Aug 2025 | 04:13 EDT | Walter J McCarthy Jr | westbound |
| 8 Aug 2025 | 06:14 EDT | STR Wilfred Sykes | westbound |
| 8 Aug 2025 | 06:20 EDT | Calumet | eastbound |
| 8 Aug 2025 | 07:33 EDT | Kaye E Barker | westbound |
| 8 Aug 2025 | 12:32 EDT | Burns Harbor | westbound |
| 8 Aug 2025 | 12:38 EDT | Algoma Compass | westbound |
| 8 Aug 2025 | 13:33 EDT | American Mariner | eastbound |
| 8 Aug 2025 | 13:35 EDT | Albert | westbound |
| 8 Aug 2025 | 21:16 EDT | Aragonborg | eastbound |
| 9 Aug 2025 | 01:04 EDT | Sam Laud | westbound |
| 9 Aug 2025 | 02:47 EDT | Lee A Tregurtha | eastbound |
| 9 Aug 2025 | 06:26 EDT | Olive L Moore | westbound |
| 9 Aug 2025 | 09:27 EDT | Johanna G | westbound |
| 9 Aug 2025 | 11:01 EDT | Joseph L Block | westbound |
| 9 Aug 2025 | 11:55 EDT | Manitowoc | eastbound |
| 9 Aug 2025 | 13:23 EDT | Stewart J Cort | westbound |
| 9 Aug 2025 | 13:44 EDT | American Mariner | westbound |
| 9 Aug 2025 | 20:40 EDT | Manitoulin | westbound |
| 10 Aug 2025 | 00:19 EDT | G L Ostrander | eastbound |
| 10 Aug 2025 | 03:09 EDT | Calumet | westbound |
| 10 Aug 2025 | 04:06 EDT | American Integrity | westbound |
| 10 Aug 2025 | 12:32 EDT | Algoma Compass | eastbound |
| 10 Aug 2025 | 15:34 EDT | Great Republic | eastbound |
| 10 Aug 2025 | 18:57 EDT | Kaye E Barker | eastbound |
| 10 Aug 2025 | 20:30 EDT | Algoma Intrepid | eastbound |
| 10 Aug 2025 | 23:43 EDT | Roerborg | eastbound |
| 11 Aug 2025 | 00:09 EDT | G L Ostrander | westbound |
| 11 Aug 2025 | 02:39 EDT | Walter J McCarthy Jr | eastbound |
| 11 Aug 2025 | 08:33 EDT | CSL Laurentien | westbound |
| 11 Aug 2025 | 09:07 EDT | Manitoulin | eastbound |
| 11 Aug 2025 | 10:46 EDT | Lee A Tregurtha | westbound |
| 11 Aug 2025 | 15:32 EDT | Albert | eastbound |
| 11 Aug 2025 | 15:43 EDT | STR Wilfred Sykes | eastbound |
| 11 Aug 2025 | 23:18 EDT | Edgar B Speer | westbound |
| 12 Aug 2025 | 01:11 EDT | STR Wilfred Sykes | westbound |
| 12 Aug 2025 | 02:39 EDT | American Mariner | eastbound |
| 12 Aug 2025 | 03:23 EDT | Joseph L Block | eastbound |
| 12 Aug 2025 | 08:49 EDT | Manitoulin | westbound |
| 12 Aug 2025 | 10:51 EDT | Algoma Guardian | westbound |
| 12 Aug 2025 | 11:59 EDT | Herbert C Jackson | westbound |
| 12 Aug 2025 | 15:37 EDT | Burns Harbor | eastbound |
| 12 Aug 2025 | 17:14 EDT | John G Munson | westbound |
| 13 Aug 2025 | 01:13 EDT | American Integrity | eastbound |
| 13 Aug 2025 | 02:06 EDT | H Lee White | westbound |
| 13 Aug 2025 | 06:44 EDT | Manitowoc | westbound |
| 13 Aug 2025 | 13:14 EDT | G L Ostrander | eastbound |
| 14 Aug 2025 | 03:18 EDT | Manitoulin | eastbound |
| 14 Aug 2025 | 05:33 EDT | Calumet | eastbound |
| 14 Aug 2025 | 06:19 EDT | Stewart J Cort | eastbound |
| 14 Aug 2025 | 06:59 EDT | Sam Laud | eastbound |
| 14 Aug 2025 | 14:14 EDT | Herbert C Jackson | eastbound |
| 14 Aug 2025 | 14:43 EDT | CSL Laurentien | eastbound |
| 14 Aug 2025 | 16:42 EDT | Edgar B Speer | eastbound |
| 14 Aug 2025 | 19:10 EDT | Lee A Tregurtha | eastbound |
| 14 Aug 2025 | 22:21 EDT | Indiana Harbor | westbound |
| 15 Aug 2025 | 02:02 EDT | Great Republic | westbound |
| 15 Aug 2025 | 04:42 EDT | Herbert C Jackson | westbound |
| 15 Aug 2025 | 05:23 EDT | STR Wilfred Sykes | eastbound |
| 15 Aug 2025 | 05:38 EDT | Mark W. Barker | westbound |
| 15 Aug 2025 | 07:15 EDT | RT HON Paul J Martin | westbound |
| 15 Aug 2025 | 10:09 EDT | John G Munson | eastbound |
| 15 Aug 2025 | 12:43 EDT | Edwin H Gott | westbound |
| 15 Aug 2025 | 16:48 EDT | Viking Polaris | westbound |
| 15 Aug 2025 | 18:01 EDT | Algoma Guardian | eastbound |
| 16 Aug 2025 | 06:13 EDT | Undaunted | westbound |
| 16 Aug 2025 | 13:56 EDT | H Lee White | eastbound |
| 16 Aug 2025 | 21:33 EDT | Johanna G | eastbound |
| 16 Aug 2025 | 22:13 EDT | Bradshaw McKee | eastbound |
| 17 Aug 2025 | 06:19 EDT | G L Ostrander | westbound |
| 17 Aug 2025 | 06:20 EDT | Viking Polaris | eastbound |
| 17 Aug 2025 | 06:23 EDT | Mark W. Barker | eastbound |
| 17 Aug 2025 | 09:59 EDT | Burns Harbor | westbound |
| 17 Aug 2025 | 17:10 EDT | Albert | westbound |
| 17 Aug 2025 | 17:24 EDT | Herbert C Jackson | eastbound |
| 17 Aug 2025 | 18:31 EDT | Manitoulin | westbound |
| 17 Aug 2025 | 22:56 EDT | Edwin H Gott | eastbound |
| 18 Aug 2025 | 00:25 EDT | Great Republic | eastbound |
| 18 Aug 2025 | 05:48 EDT | Indiana Harbor | eastbound |
| 18 Aug 2025 | 06:13 EDT | Dirk S. Vanenkevort | westbound |
| 18 Aug 2025 | 06:45 EDT | Edgar B Speer | westbound |
| 18 Aug 2025 | 12:36 EDT | RT HON Paul J Martin | eastbound |
| 18 Aug 2025 | 18:40 EDT | Undaunted | eastbound |
| 18 Aug 2025 | 19:56 EDT | Stewart J Cort | westbound |
| 19 Aug 2025 | 03:36 EDT | Lee A Tregurtha | westbound |
| 19 Aug 2025 | 06:27 EDT | Great Republic | westbound |
| 19 Aug 2025 | 12:35 EDT | Undaunted | westbound |
| 19 Aug 2025 | 12:49 EDT | Manitowoc | eastbound |
| 19 Aug 2025 | 14:30 EDT | Manitoulin | eastbound |
| 19 Aug 2025 | 15:44 EDT | Olive L Moore | eastbound |
| 19 Aug 2025 | 16:31 EDT | STR Wilfred Sykes | westbound |
| 19 Aug 2025 | 18:00 EDT | G L Ostrander | eastbound |
| 20 Aug 2025 | 08:21 EDT | Albert | eastbound |
| 20 Aug 2025 | 14:40 EDT | Manitoulin | westbound |
| 20 Aug 2025 | 18:22 EDT | Mesabi Miner | westbound |
| 20 Aug 2025 | 21:07 EDT | John G Munson | westbound |
| 21 Aug 2025 | 00:44 EDT | Samuel de Champlain | westbound |
| 21 Aug 2025 | 00:56 EDT | Edgar B Speer | eastbound |
| 21 Aug 2025 | 01:50 EDT | Calumet | westbound |
| 21 Aug 2025 | 03:15 EDT | Burns Harbor | eastbound |
| 21 Aug 2025 | 03:20 EDT | Joseph L Block | westbound |
| 21 Aug 2025 | 07:21 EDT | Dirk S. Vanenkevort | eastbound |
| 21 Aug 2025 | 08:06 EDT | Clyde S van Enkevort | westbound |
| 21 Aug 2025 | 13:35 EDT | Federal Baltic | eastbound |
| 22 Aug 2025 | 00:12 EDT | Indiana Harbor | westbound |
| 22 Aug 2025 | 01:12 EDT | Bradshaw McKee | westbound |
| 22 Aug 2025 | 03:57 EDT | Edwin H Gott | westbound |
| 22 Aug 2025 | 16:02 EDT | Lee A Tregurtha | eastbound |
| 22 Aug 2025 | 16:11 EDT | Great Republic | eastbound |
| 22 Aug 2025 | 17:32 EDT | STR Wilfred Sykes | eastbound |
| 23 Aug 2025 | 04:06 EDT | STR Wilfred Sykes | westbound |
| 23 Aug 2025 | 04:24 EDT | John G Munson | eastbound |
| 23 Aug 2025 | 04:34 EDT | G L Ostrander | westbound |
| 23 Aug 2025 | 09:53 EDT | Clyde S van Enkevort | eastbound |
| 23 Aug 2025 | 13:16 EDT | Great Republic | westbound |
| 23 Aug 2025 | 15:35 EDT | American Spirit | westbound |
| 24 Aug 2025 | 01:43 EDT | Joseph L Block | eastbound |
| 24 Aug 2025 | 02:35 EDT | Mesabi Miner | eastbound |
| 24 Aug 2025 | 10:49 EDT | Mark W. Barker | westbound |
| 24 Aug 2025 | 13:01 EDT | Herbert C Jackson | westbound |
| 24 Aug 2025 | 18:51 EDT | Edgar B Speer | westbound |
| 24 Aug 2025 | 19:57 EDT | Lee A Tregurtha | westbound |
| 24 Aug 2025 | 23:03 EDT | Manitoulin | westbound |
| 25 Aug 2025 | 00:13 EDT | Edwin H Gott | eastbound |
| 25 Aug 2025 | 00:39 EDT | Algoma Buffalo | westbound |
| 25 Aug 2025 | 05:29 EDT | Samuel de Champlain | eastbound |
| 25 Aug 2025 | 14:24 EDT | Burns Harbor | westbound |
| 25 Aug 2025 | 15:57 EDT | Albert | westbound |
| 25 Aug 2025 | 16:34 EDT | Indiana Harbor | eastbound |
| 26 Aug 2025 | 04:20 EDT | Saginaw | westbound |
| 26 Aug 2025 | 04:52 EDT | James R Barker | westbound |
| 26 Aug 2025 | 06:56 EDT | Mark W. Barker | eastbound |
| 26 Aug 2025 | 08:46 EDT | Great Republic | eastbound |
| 26 Aug 2025 | 11:17 EDT | Algoma Buffalo | eastbound |
| 26 Aug 2025 | 14:02 EDT | American Spirit | eastbound |
| 26 Aug 2025 | 17:51 EDT | Manitoulin | eastbound |
| 26 Aug 2025 | 20:18 EDT | Manitowoc | westbound |
| 26 Aug 2025 | 22:21 EDT | Algoma Compass | westbound |
| 26 Aug 2025 | 22:49 EDT | Joseph L Block | westbound |
| 27 Aug 2025 | 05:16 EDT | Herbert C Jackson | eastbound |
| 27 Aug 2025 | 10:08 EDT | Lee A Tregurtha | eastbound |
| 27 Aug 2025 | 10:34 EDT | Thunder Bay | westbound |
| 27 Aug 2025 | 13:01 EDT | Algoma Niagara | westbound |
| 27 Aug 2025 | 19:32 EDT | Edgar B Speer | eastbound |
| 27 Aug 2025 | 21:00 EDT | Calumet | eastbound |
| 28 Aug 2025 | 00:25 EDT | John G Munson | westbound |
| 28 Aug 2025 | 04:28 EDT | Saginaw | eastbound |
| 28 Aug 2025 | 05:38 EDT | Algoma Compass | eastbound |
| 28 Aug 2025 | 08:04 EDT | Walter J McCarthy Jr | westbound |
| 28 Aug 2025 | 08:56 EDT | Albert | eastbound |
| 28 Aug 2025 | 10:37 EDT | CSL Laurentien | westbound |
| 28 Aug 2025 | 17:11 EDT | G L Ostrander | eastbound |
| 28 Aug 2025 | 21:11 EDT | STR Wilfred Sykes | eastbound |
| 28 Aug 2025 | 23:17 EDT | James R Barker | eastbound |
| 29 Aug 2025 | 03:02 EDT | Manitowoc | eastbound |
| 29 Aug 2025 | 07:54 EDT | Burns Harbor | eastbound |
| 29 Aug 2025 | 18:32 EDT | Manitowoc | westbound |
| 29 Aug 2025 | 18:50 EDT | Joseph L Block | eastbound |
| 29 Aug 2025 | 18:53 EDT | American Mariner | westbound |
| 29 Aug 2025 | 21:49 EDT | G L Ostrander | westbound |
| 30 Aug 2025 | 03:36 EDT | Dirk S. Vanenkevort | westbound |
| 30 Aug 2025 | 08:05 EDT | Great Republic | westbound |
| 30 Aug 2025 | 16:47 EDT | Algoma Mariner | westbound |
| 30 Aug 2025 | 17:20 EDT | John G Munson | eastbound |
| 30 Aug 2025 | 18:03 EDT | Olive L Moore | westbound |
| 30 Aug 2025 | 18:26 EDT | Viking Polaris | westbound |
| 30 Aug 2025 | 20:52 EDT | Northern Venture | westbound |
| 31 Aug 2025 | 05:06 EDT | Walter J McCarthy Jr | eastbound |
| 31 Aug 2025 | 07:30 EDT | Kaye E Barker | westbound |
| 31 Aug 2025 | 07:31 EDT | Algoma Mariner | eastbound |
| 31 Aug 2025 | 07:39 EDT | American Mariner | eastbound |
| 31 Aug 2025 | 07:53 EDT | Algoma Innovator | westbound |
| 31 Aug 2025 | 08:20 EDT | Samuel de Champlain | westbound |
| 31 Aug 2025 | 09:28 EDT | CSL Laurentien | eastbound |
| 31 Aug 2025 | 10:02 EDT | Edgar B Speer | westbound |
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.