Passage log
Straits of Mackinac, July 2025
221 recorded passages by 61 distinct vessels, in the order they happened. Times are shown in Eastern time and are accurate to roughly ±15 minutes.
- 221 Passages
- 61 Distinct vessels
- 7.1 Per day Across the whole month
- 13 Busiest day Sunday, 13 July 2025
The log
| Date | Local time | Vessel | Direction |
|---|---|---|---|
| 30 Jun 2025 | 20:07 EDT | Robert S Pierson | eastbound |
| 30 Jun 2025 | 22:31 EDT | G L Ostrander | eastbound |
| 1 Jul 2025 | 02:25 EDT | Edwin H Gott | eastbound |
| 1 Jul 2025 | 08:46 EDT | Joseph L Block | westbound |
| 1 Jul 2025 | 16:09 EDT | Stewart J Cort | eastbound |
| 1 Jul 2025 | 17:26 EDT | Clyde S van Enkevort | westbound |
| 1 Jul 2025 | 22:41 EDT | G L Ostrander | westbound |
| 2 Jul 2025 | 00:33 EDT | Lee A Tregurtha | eastbound |
| 2 Jul 2025 | 02:08 EDT | Edgar B Speer | eastbound |
| 2 Jul 2025 | 11:38 EDT | American Integrity | westbound |
| 2 Jul 2025 | 13:33 EDT | American Mariner | westbound |
| 2 Jul 2025 | 15:27 EDT | STR Wilfred Sykes | westbound |
| 2 Jul 2025 | 16:05 EDT | John G Munson | westbound |
| 3 Jul 2025 | 02:50 EDT | Burns Harbor | westbound |
| 3 Jul 2025 | 03:23 EDT | Olive L Moore | eastbound |
| 3 Jul 2025 | 03:41 EDT | Calumet | westbound |
| 3 Jul 2025 | 06:27 EDT | Walter J McCarthy Jr | eastbound |
| 3 Jul 2025 | 18:12 EDT | Mesabi Miner | eastbound |
| 4 Jul 2025 | 06:52 EDT | Robert S Pierson | westbound |
| 4 Jul 2025 | 12:33 EDT | Calumet | eastbound |
| 4 Jul 2025 | 16:01 EDT | Fuldaborg | westbound |
| 4 Jul 2025 | 18:09 EDT | Viking Polaris | westbound |
| 5 Jul 2025 | 01:52 EDT | Joyce L Vanenkevort | westbound |
| 5 Jul 2025 | 02:49 EDT | Joseph L Block | eastbound |
| 5 Jul 2025 | 05:25 EDT | Edwin H Gott | westbound |
| 5 Jul 2025 | 07:37 EDT | American Integrity | eastbound |
| 5 Jul 2025 | 09:18 EDT | Whitefish Bay | westbound |
| 5 Jul 2025 | 19:23 EDT | Joyce L Vanenkevort | eastbound |
| 5 Jul 2025 | 23:53 EDT | Stewart J Cort | westbound |
| 6 Jul 2025 | 02:21 EDT | Viking Polaris | eastbound |
| 6 Jul 2025 | 05:57 EDT | Burns Harbor | eastbound |
| 6 Jul 2025 | 07:57 EDT | Samuel de Champlain | westbound |
| 6 Jul 2025 | 08:17 EDT | Manitowoc | eastbound |
| 6 Jul 2025 | 11:35 EDT | Edgar B Speer | westbound |
| 6 Jul 2025 | 15:32 EDT | G L Ostrander | eastbound |
| 6 Jul 2025 | 22:47 EDT | American Mariner | eastbound |
| 7 Jul 2025 | 00:46 EDT | Great Republic | eastbound |
| 7 Jul 2025 | 06:50 EDT | James R Barker | westbound |
| 7 Jul 2025 | 10:49 EDT | Joseph L Block | westbound |
| 7 Jul 2025 | 12:41 EDT | Viking Octantis | westbound |
| 7 Jul 2025 | 14:29 EDT | Robert S Pierson | eastbound |
| 7 Jul 2025 | 15:09 EDT | G L Ostrander | westbound |
| 7 Jul 2025 | 19:14 EDT | STR Wilfred Sykes | eastbound |
| 7 Jul 2025 | 22:32 EDT | Great Republic | westbound |
| 8 Jul 2025 | 02:08 EDT | Calumet | westbound |
| 8 Jul 2025 | 02:44 EDT | Edwin H Gott | eastbound |
| 8 Jul 2025 | 06:10 EDT | Baie Comeau | westbound |
| 8 Jul 2025 | 06:11 EDT | STR Wilfred Sykes | westbound |
| 8 Jul 2025 | 15:03 EDT | Whitefish Bay | eastbound |
| 8 Jul 2025 | 23:56 EDT | John J Boland | westbound |
| 9 Jul 2025 | 01:40 EDT | American Integrity | westbound |
| 9 Jul 2025 | 02:13 EDT | Edgar B Speer | eastbound |
| 9 Jul 2025 | 05:12 EDT | Mark W. Barker | westbound |
| 9 Jul 2025 | 19:27 EDT | Herbert C Jackson | westbound |
| 9 Jul 2025 | 19:53 EDT | Federal Caribou | eastbound |
| 10 Jul 2025 | 00:23 EDT | Stewart J Cort | eastbound |
| 10 Jul 2025 | 01:45 EDT | Joseph L Block | eastbound |
| 10 Jul 2025 | 04:31 EDT | G L Ostrander | eastbound |
| 10 Jul 2025 | 07:18 EDT | American Century | westbound |
| 10 Jul 2025 | 08:21 EDT | Viking Octantis | eastbound |
| 10 Jul 2025 | 22:36 EDT | Algoma Guardian | westbound |
| 10 Jul 2025 | 23:18 EDT | Burns Harbor | westbound |
| 10 Jul 2025 | 23:33 EDT | Robert S Pierson | westbound |
| 11 Jul 2025 | 01:00 EDT | James R Barker | eastbound |
| 11 Jul 2025 | 04:44 EDT | G L Ostrander | westbound |
| 11 Jul 2025 | 05:14 EDT | Samuel de Champlain | eastbound |
| 11 Jul 2025 | 12:02 EDT | RT HON Paul J Martin | westbound |
| 11 Jul 2025 | 14:06 EDT | John J Boland | eastbound |
| 12 Jul 2025 | 04:08 EDT | American Integrity | eastbound |
| 12 Jul 2025 | 10:38 EDT | Joseph L Block | westbound |
| 12 Jul 2025 | 14:33 EDT | Calumet | eastbound |
| 12 Jul 2025 | 18:45 EDT | Muntgracht | eastbound |
| 12 Jul 2025 | 22:40 EDT | Edgar B Speer | westbound |
| 12 Jul 2025 | 23:06 EDT | Fuldaborg | eastbound |
| 13 Jul 2025 | 00:14 EDT | Baie Comeau | eastbound |
| 13 Jul 2025 | 00:27 EDT | American Century | eastbound |
| 13 Jul 2025 | 02:04 EDT | Algoma Buffalo | westbound |
| 13 Jul 2025 | 02:16 EDT | Albert | westbound |
| 13 Jul 2025 | 03:46 EDT | Manitowoc | westbound |
| 13 Jul 2025 | 06:35 EDT | Mark W. Barker | eastbound |
| 13 Jul 2025 | 07:47 EDT | Great Republic | eastbound |
| 13 Jul 2025 | 11:44 EDT | John J Boland | westbound |
| 13 Jul 2025 | 14:24 EDT | Lubie | westbound |
| 13 Jul 2025 | 16:06 EDT | STR Wilfred Sykes | eastbound |
| 13 Jul 2025 | 17:41 EDT | Polsteam Dabie | westbound |
| 13 Jul 2025 | 20:16 EDT | G L Ostrander | eastbound |
| 13 Jul 2025 | 22:32 EDT | Stewart J Cort | westbound |
| 14 Jul 2025 | 01:19 EDT | STR Wilfred Sykes | westbound |
| 14 Jul 2025 | 03:00 EDT | Solina | westbound |
| 14 Jul 2025 | 09:04 EDT | Mesabi Miner | westbound |
| 14 Jul 2025 | 10:10 EDT | RT HON Paul J Martin | eastbound |
| 14 Jul 2025 | 15:52 EDT | Algoma Buffalo | eastbound |
| 14 Jul 2025 | 17:47 EDT | American Mariner | westbound |
| 14 Jul 2025 | 23:50 EDT | Joseph L Block | eastbound |
| 15 Jul 2025 | 01:51 EDT | Walter J McCarthy Jr | westbound |
| 15 Jul 2025 | 05:24 EDT | Patagonman | westbound |
| 15 Jul 2025 | 05:47 EDT | Algoma Intrepid | westbound |
| 15 Jul 2025 | 09:51 EDT | Algoma Guardian | eastbound |
| 15 Jul 2025 | 10:37 EDT | Burns Harbor | eastbound |
| 15 Jul 2025 | 14:17 EDT | Saginaw | westbound |
| 15 Jul 2025 | 22:12 EDT | John J Boland | eastbound |
| 16 Jul 2025 | 00:45 EDT | Olive L Moore | westbound |
| 16 Jul 2025 | 01:40 EDT | Albert | eastbound |
| 16 Jul 2025 | 05:24 EDT | American Mariner | eastbound |
| 16 Jul 2025 | 06:57 EDT | Herbert C Jackson | eastbound |
| 16 Jul 2025 | 06:57 EDT | Dirk S. Vanenkevort | westbound |
| 16 Jul 2025 | 13:52 EDT | Thunder Bay | westbound |
| 16 Jul 2025 | 16:00 EDT | Indiana Harbor | westbound |
| 16 Jul 2025 | 21:12 EDT | Saginaw | eastbound |
| 17 Jul 2025 | 01:18 EDT | Aragonborg | westbound |
| 17 Jul 2025 | 02:19 EDT | Manitowoc | eastbound |
| 17 Jul 2025 | 03:07 EDT | Mesabi Miner | eastbound |
| 17 Jul 2025 | 04:15 EDT | Undaunted | eastbound |
| 17 Jul 2025 | 16:45 EDT | Manitowoc | westbound |
| 17 Jul 2025 | 18:05 EDT | Edgar B Speer | eastbound |
| 18 Jul 2025 | 06:49 EDT | Walter J McCarthy Jr | eastbound |
| 18 Jul 2025 | 09:28 EDT | Algoma Intrepid | eastbound |
| 18 Jul 2025 | 13:01 EDT | Undaunted | westbound |
| 18 Jul 2025 | 14:18 EDT | Algoma Compass | westbound |
| 18 Jul 2025 | 18:40 EDT | John G Munson | westbound |
| 18 Jul 2025 | 22:51 EDT | Stewart J Cort | eastbound |
| 18 Jul 2025 | 23:16 EDT | Lubie | eastbound |
| 19 Jul 2025 | 00:02 EDT | Joseph L Block | westbound |
| 19 Jul 2025 | 13:13 EDT | Dirk S. Vanenkevort | eastbound |
| 19 Jul 2025 | 13:16 EDT | Indiana Harbor | eastbound |
| 19 Jul 2025 | 14:47 EDT | STR Wilfred Sykes | eastbound |
| 19 Jul 2025 | 18:19 EDT | Viking Polaris | westbound |
| 19 Jul 2025 | 20:10 EDT | Samuel de Champlain | westbound |
| 20 Jul 2025 | 00:40 EDT | Manitowoc | eastbound |
| 20 Jul 2025 | 03:26 EDT | Federal Katsura | eastbound |
| 20 Jul 2025 | 05:20 EDT | STR Wilfred Sykes | westbound |
| 20 Jul 2025 | 10:16 EDT | Northern Venture | westbound |
| 20 Jul 2025 | 11:49 EDT | Mark W. Barker | westbound |
| 20 Jul 2025 | 17:51 EDT | Algoma Compass | eastbound |
| 20 Jul 2025 | 18:36 EDT | Bradshaw McKee | eastbound |
| 20 Jul 2025 | 21:31 EDT | Lee A Tregurtha | westbound |
| 21 Jul 2025 | 04:36 EDT | Edgar B Speer | westbound |
| 21 Jul 2025 | 04:41 EDT | G L Ostrander | westbound |
| 21 Jul 2025 | 05:20 EDT | Thunder Bay | eastbound |
| 21 Jul 2025 | 05:59 EDT | Mesabi Miner | westbound |
| 21 Jul 2025 | 18:57 EDT | Calumet | westbound |
| 21 Jul 2025 | 21:24 EDT | Herbert C Jackson | westbound |
| 21 Jul 2025 | 22:43 EDT | Albert | westbound |
| 21 Jul 2025 | 23:57 EDT | Joseph L Block | eastbound |
| 22 Jul 2025 | 06:57 EDT | Great Republic | westbound |
| 22 Jul 2025 | 15:34 EDT | Stewart J Cort | westbound |
| 22 Jul 2025 | 17:55 EDT | STR Wilfred Sykes | eastbound |
| 22 Jul 2025 | 18:46 EDT | Walter J McCarthy Jr | westbound |
| 23 Jul 2025 | 04:06 EDT | Northern Venture | eastbound |
| 23 Jul 2025 | 06:09 EDT | Joyce L Vanenkevort | westbound |
| 23 Jul 2025 | 11:15 EDT | Viking Polaris | eastbound |
| 23 Jul 2025 | 11:34 EDT | STR Wilfred Sykes | westbound |
| 23 Jul 2025 | 14:41 EDT | Lee A Tregurtha | eastbound |
| 23 Jul 2025 | 16:50 EDT | G L Ostrander | eastbound |
| 23 Jul 2025 | 22:36 EDT | Olive L Moore | eastbound |
| 23 Jul 2025 | 22:49 EDT | John G Munson | eastbound |
| 24 Jul 2025 | 01:05 EDT | Indiana Harbor | westbound |
| 24 Jul 2025 | 01:40 EDT | American Mariner | westbound |
| 24 Jul 2025 | 01:50 EDT | Edgar B Speer | eastbound |
| 24 Jul 2025 | 04:42 EDT | Sam Laud | westbound |
| 24 Jul 2025 | 08:11 EDT | Herbert C Jackson | eastbound |
| 24 Jul 2025 | 08:43 EDT | Samuel de Champlain | eastbound |
| 24 Jul 2025 | 08:53 EDT | Joseph L Block | westbound |
| 24 Jul 2025 | 11:41 EDT | Albert | eastbound |
| 24 Jul 2025 | 11:45 EDT | Mesabi Miner | eastbound |
| 24 Jul 2025 | 15:39 EDT | Hudsongracht | westbound |
| 24 Jul 2025 | 17:29 EDT | Polsteam Dabie | eastbound |
| 24 Jul 2025 | 21:40 EDT | Paul R Tregurtha | westbound |
| 24 Jul 2025 | 22:57 EDT | Algoma Compass | westbound |
| 25 Jul 2025 | 02:44 EDT | G L Ostrander | westbound |
| 25 Jul 2025 | 05:45 EDT | Mark W. Barker | eastbound |
| 25 Jul 2025 | 11:23 EDT | Algoma Guardian | westbound |
| 25 Jul 2025 | 13:31 EDT | Calumet | eastbound |
| 25 Jul 2025 | 17:54 EDT | Walter J McCarthy Jr | eastbound |
| 25 Jul 2025 | 18:25 EDT | Kaye E Barker | westbound |
| 25 Jul 2025 | 20:35 EDT | Edwin H Gott | westbound |
| 26 Jul 2025 | 01:13 EDT | Joyce L Vanenkevort | eastbound |
| 26 Jul 2025 | 01:42 EDT | Algoma Intrepid | westbound |
| 26 Jul 2025 | 04:34 EDT | STR Wilfred Sykes | eastbound |
| 26 Jul 2025 | 05:30 EDT | Clyde S van Enkevort | eastbound |
| 26 Jul 2025 | 14:17 EDT | STR Wilfred Sykes | westbound |
| 26 Jul 2025 | 14:19 EDT | Stewart J Cort | eastbound |
| 26 Jul 2025 | 16:41 EDT | Algoma Compass | eastbound |
| 26 Jul 2025 | 17:00 EDT | Solina | eastbound |
| 26 Jul 2025 | 18:56 EDT | American Mariner | eastbound |
| 26 Jul 2025 | 20:20 EDT | Bradshaw McKee | westbound |
| 26 Jul 2025 | 20:53 EDT | Indiana Harbor | eastbound |
| 27 Jul 2025 | 00:32 EDT | Joseph L Block | eastbound |
| 27 Jul 2025 | 18:39 EDT | John J Boland | westbound |
| 27 Jul 2025 | 19:49 EDT | American Mariner | westbound |
| 27 Jul 2025 | 20:53 EDT | Algoma Intrepid | eastbound |
| 27 Jul 2025 | 21:31 EDT | G L Ostrander | eastbound |
| 28 Jul 2025 | 01:53 EDT | Great Republic | eastbound |
| 28 Jul 2025 | 02:45 EDT | Paul R Tregurtha | eastbound |
| 28 Jul 2025 | 02:58 EDT | Kaye E Barker | eastbound |
| 28 Jul 2025 | 10:57 EDT | Sam Laud | eastbound |
| 28 Jul 2025 | 11:47 EDT | Burns Harbor | westbound |
| 28 Jul 2025 | 20:33 EDT | John G Munson | westbound |
| 28 Jul 2025 | 21:06 EDT | Patagonman | eastbound |
| 28 Jul 2025 | 22:36 EDT | G L Ostrander | westbound |
| 28 Jul 2025 | 23:02 EDT | Mesabi Miner | westbound |
| 29 Jul 2025 | 01:20 EDT | Algoma Guardian | eastbound |
| 29 Jul 2025 | 01:51 EDT | Edwin H Gott | eastbound |
| 29 Jul 2025 | 05:42 EDT | Saginaw | westbound |
| 29 Jul 2025 | 06:25 EDT | Joseph L Block | westbound |
| 29 Jul 2025 | 09:38 EDT | American Century | westbound |
| 29 Jul 2025 | 16:09 EDT | Exeborg | westbound |
| 30 Jul 2025 | 00:28 EDT | Joyce L Vanenkevort | westbound |
| 30 Jul 2025 | 02:01 EDT | American Spirit | westbound |
| 30 Jul 2025 | 07:36 EDT | Algoma Innovator | westbound |
| 30 Jul 2025 | 09:05 EDT | American Mariner | eastbound |
| 30 Jul 2025 | 10:17 EDT | Federal Clyde | eastbound |
| 30 Jul 2025 | 13:12 EDT | Mark W. Barker | westbound |
| 30 Jul 2025 | 13:41 EDT | Algoma Bear | westbound |
| 30 Jul 2025 | 17:59 EDT | Hudsongracht | eastbound |
| 30 Jul 2025 | 18:07 EDT | Joyce L Vanenkevort | eastbound |
| 30 Jul 2025 | 20:28 EDT | Albert | westbound |
| 31 Jul 2025 | 04:27 EDT | Stewart J Cort | westbound |
| 31 Jul 2025 | 04:29 EDT | John G Munson | eastbound |
| 31 Jul 2025 | 05:01 EDT | Saginaw | eastbound |
| 31 Jul 2025 | 12:30 EDT | Lee A Tregurtha | 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.