Passage log

Straits of Mackinac, December 2025

148 recorded passages by 41 distinct vessels, in the order they happened. Times are shown in Eastern time and are accurate to roughly ±15 minutes.

148 Passages
41 Distinct vessels
4.8 Per day Across the whole month
10 Busiest day Wednesday, 10 December 2025

The log

Every recorded crossing of Straits of Mackinac in December 2025, oldest first.
Date	Local time	Vessel	Direction
30 Nov 2025	20:58 EST	Joseph L Block	westbound
30 Nov 2025	22:09 EST	Herbert C Jackson	eastbound
1 Dec 2025	00:41 EST	Dirk S. Vanenkevort	eastbound
1 Dec 2025	05:18 EST	Mark W. Barker	eastbound
1 Dec 2025	07:04 EST	American Integrity	eastbound
1 Dec 2025	09:30 EST	G L Ostrander	westbound
1 Dec 2025	15:26 EST	Stewart J Cort	westbound
1 Dec 2025	23:27 EST	Algotitan	eastbound
1 Dec 2025	23:55 EST	Albert	westbound
2 Dec 2025	05:11 EST	Calumet	westbound
2 Dec 2025	14:36 EST	Edwin H Gott	westbound
2 Dec 2025	18:56 EST	Burns Harbor	eastbound
3 Dec 2025	11:12 EST	Edgar B Speer	westbound
3 Dec 2025	19:21 EST	Joseph L Block	eastbound
3 Dec 2025	20:42 EST	Lee A Tregurtha	westbound
4 Dec 2025	03:39 EST	Samuel de Champlain	westbound
4 Dec 2025	08:51 EST	G L Ostrander	eastbound
4 Dec 2025	09:33 EST	James R Barker	eastbound
5 Dec 2025	14:34 EST	American Mariner	westbound
5 Dec 2025	15:14 EST	Paul R Tregurtha	westbound
5 Dec 2025	17:44 EST	American Integrity	westbound
5 Dec 2025	20:50 EST	Manitowoc	westbound
6 Dec 2025	00:51 EST	Edwin H Gott	eastbound
6 Dec 2025	02:30 EST	G L Ostrander	westbound
6 Dec 2025	06:56 EST	Stewart J Cort	eastbound
6 Dec 2025	13:12 EST	Edgar B Speer	eastbound
6 Dec 2025	13:38 EST	Undaunted	westbound
6 Dec 2025	13:58 EST	Albert	eastbound
6 Dec 2025	18:37 EST	Dirk S. Vanenkevort	westbound
6 Dec 2025	20:55 EST	Joseph L Block	westbound
7 Dec 2025	10:04 EST	Sam Laud	westbound
7 Dec 2025	10:29 EST	Algoma Buffalo	westbound
7 Dec 2025	12:58 EST	Mark W. Barker	westbound
7 Dec 2025	15:10 EST	Lee A Tregurtha	eastbound
7 Dec 2025	15:53 EST	American Mariner	eastbound
7 Dec 2025	17:36 EST	Manitowoc	eastbound
7 Dec 2025	21:55 EST	Algoma Innovator	westbound
7 Dec 2025	23:31 EST	Walter J McCarthy Jr	westbound
8 Dec 2025	08:05 EST	Samuel de Champlain	eastbound
8 Dec 2025	08:55 EST	Calumet	eastbound
8 Dec 2025	11:00 EST	Indiana Harbor	westbound
8 Dec 2025	15:48 EST	Joyce L Vanenkevort	westbound
8 Dec 2025	21:20 EST	Paul R Tregurtha	eastbound
8 Dec 2025	22:06 EST	American Integrity	eastbound
9 Dec 2025	09:27 EST	Algoma Buffalo	eastbound
9 Dec 2025	10:44 EST	Northern Venture	westbound
9 Dec 2025	11:14 EST	Burns Harbor	westbound
9 Dec 2025	13:49 EST	Calumet	westbound
9 Dec 2025	16:27 EST	Algoma Niagara	westbound
9 Dec 2025	17:25 EST	Joyce L Vanenkevort	eastbound
9 Dec 2025	23:34 EST	Joseph L Block	eastbound
10 Dec 2025	03:26 EST	Dirk S. Vanenkevort	eastbound
10 Dec 2025	03:42 EST	Edgar B Speer	westbound
10 Dec 2025	07:53 EST	Sam Laud	eastbound
10 Dec 2025	08:50 EST	Samuel de Champlain	westbound
10 Dec 2025	09:18 EST	Great Republic	westbound
10 Dec 2025	10:05 EST	Herbert C Jackson	westbound
10 Dec 2025	11:06 EST	Algoma Innovator	eastbound
10 Dec 2025	13:52 EST	Mark W. Barker	eastbound
10 Dec 2025	16:05 EST	Stewart J Cort	westbound
10 Dec 2025	17:57 EST	Lee A Tregurtha	westbound
11 Dec 2025	21:59 EST	G L Ostrander	eastbound
12 Dec 2025	12:27 EST	John G Munson	westbound
12 Dec 2025	12:33 EST	Walter J McCarthy Jr	eastbound
12 Dec 2025	16:11 EST	Herbert C Jackson	eastbound
13 Dec 2025	09:06 EST	Undaunted	eastbound
13 Dec 2025	09:53 EST	John J Boland	westbound
13 Dec 2025	10:13 EST	Indiana Harbor	eastbound
13 Dec 2025	19:30 EST	Edgar B Speer	eastbound
13 Dec 2025	22:34 EST	Algoma Niagara	eastbound
13 Dec 2025	23:02 EST	Calumet	eastbound
13 Dec 2025	23:21 EST	American Integrity	westbound
14 Dec 2025	00:03 EST	Joseph L Block	westbound
14 Dec 2025	00:04 EST	Burns Harbor	eastbound
14 Dec 2025	01:46 EST	Lee A Tregurtha	eastbound
14 Dec 2025	02:23 EST	Great Republic	eastbound
14 Dec 2025	02:27 EST	Mesabi Miner	westbound
14 Dec 2025	04:14 EST	Algonova	westbound
14 Dec 2025	04:24 EST	G L Ostrander	westbound
14 Dec 2025	16:56 EST	American Century	eastbound
15 Dec 2025	00:05 EST	Samuel de Champlain	eastbound
15 Dec 2025	03:37 EST	John G Munson	eastbound
15 Dec 2025	07:51 EST	American Spirit	westbound
15 Dec 2025	09:18 EST	Atlantic Huron	westbound
15 Dec 2025	14:07 EST	Undaunted	westbound
15 Dec 2025	19:51 EST	James R Barker	eastbound
16 Dec 2025	12:00 EST	STR Wilfred Sykes	westbound
16 Dec 2025	23:40 EST	Clyde S van Enkevort	westbound
17 Dec 2025	03:11 EST	Olive L Moore	westbound
17 Dec 2025	10:07 EST	G L Ostrander	eastbound
17 Dec 2025	10:51 EST	American Integrity	eastbound
17 Dec 2025	11:02 EST	Stewart J Cort	eastbound
17 Dec 2025	14:22 EST	Joseph L Block	eastbound
17 Dec 2025	21:34 EST	John J Boland	eastbound
18 Dec 2025	00:49 EST	Atlantic Huron	eastbound
18 Dec 2025	03:00 EST	Mesabi Miner	eastbound
18 Dec 2025	05:19 EST	Algonova	eastbound
18 Dec 2025	09:36 EST	American Spirit	eastbound
18 Dec 2025	10:01 EST	Walter J McCarthy Jr	westbound
19 Dec 2025	09:32 EST	Edgar B Speer	westbound
19 Dec 2025	12:27 EST	American Century	westbound
19 Dec 2025	15:49 EST	Burns Harbor	westbound
20 Dec 2025	01:16 EST	Clyde S van Enkevort	eastbound
20 Dec 2025	07:12 EST	G L Ostrander	westbound
20 Dec 2025	16:02 EST	STR Wilfred Sykes	eastbound
21 Dec 2025	03:24 EST	Herbert C Jackson	westbound
21 Dec 2025	03:51 EST	Calumet	westbound
21 Dec 2025	08:09 EST	Lee A Tregurtha	westbound
21 Dec 2025	11:38 EST	John G Munson	westbound
21 Dec 2025	12:21 EST	Manitowoc	westbound
22 Dec 2025	02:03 EST	Walter J McCarthy Jr	eastbound
22 Dec 2025	06:53 EST	Edgar B Speer	eastbound
22 Dec 2025	08:30 EST	Manitowoc	eastbound
22 Dec 2025	08:36 EST	Paul R Tregurtha	westbound
22 Dec 2025	13:07 EST	Joyce L Vanenkevort	westbound
22 Dec 2025	14:19 EST	Joseph L Block	westbound
23 Dec 2025	07:13 EST	American Century	eastbound
23 Dec 2025	10:06 EST	Manitowoc	westbound
23 Dec 2025	17:49 EST	Burns Harbor	eastbound
23 Dec 2025	19:45 EST	John G Munson	eastbound
23 Dec 2025	19:51 EST	American Integrity	westbound
24 Dec 2025	11:08 EST	Lee A Tregurtha	eastbound
24 Dec 2025	12:37 EST	Manitowoc	eastbound
24 Dec 2025	13:51 EST	G L Ostrander	eastbound
25 Dec 2025	03:30 EST	Stewart J Cort	westbound
25 Dec 2025	12:34 EST	Paul R Tregurtha	eastbound
25 Dec 2025	19:28 EST	Herbert C Jackson	westbound
25 Dec 2025	20:28 EST	Joyce L Vanenkevort	eastbound
25 Dec 2025	22:02 EST	Edgar B Speer	westbound
26 Dec 2025	09:26 EST	Joseph L Block	eastbound
26 Dec 2025	18:44 EST	American Integrity	eastbound
27 Dec 2025	06:28 EST	Calumet	eastbound
27 Dec 2025	07:52 EST	Lee A Tregurtha	westbound
27 Dec 2025	12:29 EST	Sam Laud	westbound
27 Dec 2025	19:39 EST	John G Munson	westbound
28 Dec 2025	01:14 EST	Indiana Harbor	westbound
28 Dec 2025	07:20 EST	Burns Harbor	westbound
28 Dec 2025	09:54 EST	Great Republic	westbound
28 Dec 2025	12:22 EST	Edgar B Speer	eastbound
28 Dec 2025	13:11 EST	Edwin H Gott	westbound
28 Dec 2025	15:45 EST	Thunder Bay	westbound
28 Dec 2025	19:49 EST	Stewart J Cort	eastbound
29 Dec 2025	09:17 EST	STR Wilfred Sykes	westbound
30 Dec 2025	02:26 EST	Algoma Buffalo	westbound
30 Dec 2025	02:54 EST	John J Boland	westbound
31 Dec 2025	02:24 EST	Dorothy Ann	westbound
31 Dec 2025	06:13 EST	Samuel de Champlain	westbound
31 Dec 2025	08:49 EST	Paul R 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.