Recorded chokepoint passages for Algoma Mariner, newest first. The record, not the map: this feed carries passages already in the archive, which ends at December 2025. Vessel data derived from the Nationwide Automatic Identification System (NOAA Office for Coastal Management, marinecadastre.gov), CC0.https://freighterlog.com/vessels/algoma-mariner/en-usVessel data derived from the Nationwide Automatic Identification System (NOAA Office for Coastal Management, marinecadastre.gov), CC0. Transit and lock data from the St. Lawrence Seaway Management Corporation / Saint Lawrence Seaway Development Corporation public vessel-transit table (seaway-greatlakes.com).Wed, 23 Sep 2026 18:23:30 GMThttps://freighterlog.com/log/welland/2025-12/freighterlog:passage:316014050:2025-12-17T01:08:24ZAlgoma Mariner (Algoma Central) crossed Welland Canal (Thorold) downbound on 16 Dec 2025 20:08 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 17 Dec 2025 01:08:24 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316014050:2025-12-16T02:16:41ZAlgoma Mariner (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 15 Dec 2025 21:16 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 16 Dec 2025 02:16:41 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:316014050:2025-12-15T20:49:37ZAlgoma Mariner (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 15 Dec 2025 15:49 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 15 Dec 2025 20:49:37 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:316014050:2025-12-14T21:53:25ZAlgoma Mariner (Algoma Central) crossed Soo Locks (St. Marys River) downbound on 14 Dec 2025 16:53 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 14 Dec 2025 21:53:25 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:316014050:2025-12-10T20:49:00ZAlgoma Mariner (Algoma Central) crossed Soo Locks (St. Marys River) upbound on 10 Dec 2025 15:49 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 10 Dec 2025 20:49:00 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:316014050:2025-12-09T20:41:16ZAlgoma Mariner (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 9 Dec 2025 15:41 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 09 Dec 2025 20:41:16 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316014050:2025-12-09T15:05:05ZAlgoma Mariner (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 9 Dec 2025 10:05 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 09 Dec 2025 15:05:05 GMThttps://freighterlog.com/log/welland/2025-12/freighterlog:passage:316014050:2025-12-08T17:21:02ZAlgoma Mariner (Algoma Central) crossed Welland Canal (Thorold) upbound on 8 Dec 2025 12:21 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 08 Dec 2025 17:21:02 GMThttps://freighterlog.com/log/welland/2025-11/freighterlog:passage:316014050:2025-11-05T11:28:34ZAlgoma Mariner (Algoma Central) crossed Welland Canal (Thorold) downbound on 5 Nov 2025 06:28 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 05 Nov 2025 11:28:34 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:316014050:2025-11-04T11:24:52ZAlgoma Mariner (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 4 Nov 2025 06:24 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 04 Nov 2025 11:24:52 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:316014050:2025-11-04T01:25:14ZAlgoma Mariner (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 3 Nov 2025 20:25 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 04 Nov 2025 01:25:14 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:316014050:2025-11-02T19:40:35ZAlgoma Mariner (Algoma Central) crossed Soo Locks (St. Marys River) downbound on 2 Nov 2025 14:40 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 02 Nov 2025 19:40:35 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:316014050:2025-10-30T11:11:37ZAlgoma Mariner (Algoma Central) crossed Soo Locks (St. Marys River) upbound on 30 Oct 2025 07:11 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 30 Oct 2025 11:11:37 GMThttps://freighterlog.com/log/mackinac/2025-10/freighterlog:passage:316014050:2025-10-30T02:50:05ZAlgoma Mariner (Algoma Central) crossed Straits of Mackinac eastbound on 29 Oct 2025 22:50 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 30 Oct 2025 02:50:05 GMThttps://freighterlog.com/log/mackinac/2025-10/freighterlog:passage:316014050:2025-10-28T23:51:17ZAlgoma Mariner (Algoma Central) crossed Straits of Mackinac westbound on 28 Oct 2025 19:51 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 28 Oct 2025 23:51:17 GMThttps://freighterlog.com/log/port-huron/2025-10/freighterlog:passage:316014050:2025-10-28T06:55:44ZAlgoma Mariner (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 28 Oct 2025 02:55 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 28 Oct 2025 06:55:44 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:316014050:2025-10-27T22:31:00ZAlgoma Mariner (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 27 Oct 2025 18:31 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 27 Oct 2025 22:31:00 GMThttps://freighterlog.com/log/welland/2025-10/freighterlog:passage:316014050:2025-10-26T21:49:45ZAlgoma Mariner (Algoma Central) crossed Welland Canal (Thorold) upbound on 26 Oct 2025 17:49 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 26 Oct 2025 21:49:45 GMThttps://freighterlog.com/log/welland/2025-10/freighterlog:passage:316014050:2025-10-07T02:45:10ZAlgoma Mariner (Algoma Central) crossed Welland Canal (Thorold) downbound on 6 Oct 2025 22:45 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 07 Oct 2025 02:45:10 GMThttps://freighterlog.com/log/welland/2025-10/freighterlog:passage:316014050:2025-10-03T14:24:51ZAlgoma Mariner (Algoma Central) crossed Welland Canal (Thorold) upbound on 3 Oct 2025 10:24 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 03 Oct 2025 14:24:51 GMThttps://freighterlog.com/log/welland/2025-09/freighterlog:passage:316014050:2025-09-04T15:59:13ZAlgoma Mariner (Algoma Central) crossed Welland Canal (Thorold) downbound on 4 Sep 2025 11:59 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 04 Sep 2025 15:59:13 GMThttps://freighterlog.com/log/detroit-river/2025-09/freighterlog:passage:316014050:2025-09-01T15:02:21ZAlgoma Mariner (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 1 Sep 2025 11:02 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 01 Sep 2025 15:02:21 GMThttps://freighterlog.com/log/port-huron/2025-09/freighterlog:passage:316014050:2025-09-01T09:24:56ZAlgoma Mariner (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 1 Sep 2025 05:24 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 01 Sep 2025 09:24:56 GMThttps://freighterlog.com/log/mackinac/2025-08/freighterlog:passage:316014050:2025-08-31T11:31:14ZAlgoma Mariner (Algoma Central) crossed Straits of Mackinac eastbound on 31 Aug 2025 07:31 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 31 Aug 2025 11:31:14 GMThttps://freighterlog.com/log/mackinac/2025-08/freighterlog:passage:316014050:2025-08-30T20:47:26ZAlgoma Mariner (Algoma Central) crossed Straits of Mackinac westbound on 30 Aug 2025 16:47 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 30 Aug 2025 20:47:26 GMThttps://freighterlog.com/log/port-huron/2025-08/freighterlog:passage:316014050:2025-08-30T02:50:57ZAlgoma Mariner (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 29 Aug 2025 22:50 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 30 Aug 2025 02:50:57 GMThttps://freighterlog.com/log/welland/2025-08/freighterlog:passage:316014050:2025-08-28T18:31:14ZAlgoma Mariner (Algoma Central) crossed Welland Canal (Thorold) upbound on 28 Aug 2025 14:31 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 28 Aug 2025 18:31:14 GMThttps://freighterlog.com/log/welland/2025-07/freighterlog:passage:316014050:2025-07-11T13:50:58ZAlgoma Mariner (Algoma Central) crossed Welland Canal (Thorold) downbound on 11 Jul 2025 09:50 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 11 Jul 2025 13:50:58 GMThttps://freighterlog.com/log/welland/2025-07/freighterlog:passage:316014050:2025-07-08T10:09:59ZAlgoma Mariner (Algoma Central) crossed Welland Canal (Thorold) upbound on 8 Jul 2025 06:09 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 08 Jul 2025 10:09:59 GMThttps://freighterlog.com/log/welland/2025-06/freighterlog:passage:316014050:2025-06-20T04:52:54ZAlgoma Mariner (Algoma Central) crossed Welland Canal (Thorold) downbound on 20 Jun 2025 00:52 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 20 Jun 2025 04:52:54 GMThttps://freighterlog.com/log/welland/2025-06/freighterlog:passage:316014050:2025-06-16T09:21:58ZAlgoma Mariner (Algoma Central) crossed Welland Canal (Thorold) upbound on 16 Jun 2025 05:21 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 16 Jun 2025 09:21:58 GMThttps://freighterlog.com/log/welland/2025-04/freighterlog:passage:316014050:2025-04-23T11:33:53ZAlgoma Mariner (Algoma Central) crossed Welland Canal (Thorold) downbound on 23 Apr 2025 07:33 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 23 Apr 2025 11:33:53 GMThttps://freighterlog.com/log/welland/2025-04/freighterlog:passage:316014050:2025-04-21T15:42:16ZAlgoma Mariner (Algoma Central) crossed Welland Canal (Thorold) upbound on 21 Apr 2025 11:42 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 21 Apr 2025 15:42:16 GMThttps://freighterlog.com/log/welland/2024-12/freighterlog:passage:316014050:2024-12-11T20:28:19ZAlgoma Mariner (Algoma Central) crossed Welland Canal (Thorold) downbound on 11 Dec 2024 15:28 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 11 Dec 2024 20:28:19 GMThttps://freighterlog.com/log/welland/2024-12/freighterlog:passage:316014050:2024-12-09T19:41:48ZAlgoma Mariner (Algoma Central) crossed Welland Canal (Thorold) upbound on 9 Dec 2024 14:41 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 09 Dec 2024 19:41:48 GMThttps://freighterlog.com/log/welland/2024-12/freighterlog:passage:316014050:2024-12-03T20:32:24ZAlgoma Mariner (Algoma Central) crossed Welland Canal (Thorold) downbound on 3 Dec 2024 15:32 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 03 Dec 2024 20:32:24 GMThttps://freighterlog.com/log/detroit-river/2024-12/freighterlog:passage:316014050:2024-12-02T22:10:55ZAlgoma Mariner (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 2 Dec 2024 17:10 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 02 Dec 2024 22:10:55 GMThttps://freighterlog.com/log/port-huron/2024-12/freighterlog:passage:316014050:2024-12-02T16:39:53ZAlgoma Mariner (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 2 Dec 2024 11:39 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 02 Dec 2024 16:39:53 GMThttps://freighterlog.com/log/soo/2024-12/freighterlog:passage:316014050:2024-12-01T20:35:51ZAlgoma Mariner (Algoma Central) crossed Soo Locks (St. Marys River) downbound on 1 Dec 2024 15:35 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 01 Dec 2024 20:35:51 GMThttps://freighterlog.com/log/soo/2024-11/freighterlog:passage:316014050:2024-11-26T23:12:15ZAlgoma Mariner (Algoma Central) crossed Soo Locks (St. Marys River) upbound on 26 Nov 2024 18:12 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 26 Nov 2024 23:12:15 GMT