Recorded chokepoint passages for Algoma Niagara, 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-niagara/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:316034846:2025-12-28T22:41:22ZAlgoma Niagara (Algoma Central) crossed Welland Canal (Thorold) downbound on 28 Dec 2025 17:41 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 28 Dec 2025 22:41:22 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316034846:2025-12-28T02:45:23ZAlgoma Niagara (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 27 Dec 2025 21:45 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, 28 Dec 2025 02:45:23 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:316034846:2025-12-27T19:34:27ZAlgoma Niagara (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 27 Dec 2025 14:34 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 27 Dec 2025 19:34:27 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:316034846:2025-12-26T02:58:54ZAlgoma Niagara (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 25 Dec 2025 21:58 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 26 Dec 2025 02:58:54 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316034846:2025-12-25T15:05:15ZAlgoma Niagara (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 25 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.Thu, 25 Dec 2025 15:05:15 GMThttps://freighterlog.com/log/welland/2025-12/freighterlog:passage:316034846:2025-12-24T19:09:43ZAlgoma Niagara (Algoma Central) crossed Welland Canal (Thorold) upbound on 24 Dec 2025 14:09 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, 24 Dec 2025 19:09:43 GMThttps://freighterlog.com/log/welland/2025-12/freighterlog:passage:316034846:2025-12-16T06:16:37ZAlgoma Niagara (Algoma Central) crossed Welland Canal (Thorold) downbound on 16 Dec 2025 01:16 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 06:16:37 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316034846:2025-12-15T08:49:34ZAlgoma Niagara (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 15 Dec 2025 03:49 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 08:49:34 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:316034846:2025-12-15T03:23:58ZAlgoma Niagara (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 14 Dec 2025 22:23 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 03:23:58 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:316034846:2025-12-14T03:34:46ZAlgoma Niagara (Algoma Central) crossed Straits of Mackinac eastbound on 13 Dec 2025 22:34 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 03:34:46 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:316034846:2025-12-09T21:27:43ZAlgoma Niagara (Algoma Central) crossed Straits of Mackinac westbound on 9 Dec 2025 16:27 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 21:27:43 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:316034846:2025-12-09T05:40:50ZAlgoma Niagara (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 9 Dec 2025 00:40 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 09 Dec 2025 05:40:50 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316034846:2025-12-09T00:18:14ZAlgoma Niagara (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 8 Dec 2025 19:18 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 00:18:14 GMThttps://freighterlog.com/log/welland/2025-12/freighterlog:passage:316034846:2025-12-08T03:45:05ZAlgoma Niagara (Algoma Central) crossed Welland Canal (Thorold) upbound on 7 Dec 2025 22:45 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 03:45:05 GMThttps://freighterlog.com/log/welland/2025-12/freighterlog:passage:316034846:2025-12-02T09:27:54ZAlgoma Niagara (Algoma Central) crossed Welland Canal (Thorold) downbound on 2 Dec 2025 04:27 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, 02 Dec 2025 09:27:54 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316034846:2025-12-01T09:19:52ZAlgoma Niagara (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 1 Dec 2025 04:19 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, 01 Dec 2025 09:19:52 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:316034846:2025-12-01T03:02:39ZAlgoma Niagara (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 30 Nov 2025 22:02 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, 01 Dec 2025 03:02:39 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:316034846:2025-11-29T03:00:47ZAlgoma Niagara (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 28 Nov 2025 22:00 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 29 Nov 2025 03:00:47 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:316034846:2025-11-28T16:31:15ZAlgoma Niagara (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 28 Nov 2025 11:31 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 28 Nov 2025 16:31:15 GMThttps://freighterlog.com/log/welland/2025-11/freighterlog:passage:316034846:2025-11-26T00:09:35ZAlgoma Niagara (Algoma Central) crossed Welland Canal (Thorold) upbound on 25 Nov 2025 19:09 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, 26 Nov 2025 00:09:35 GMThttps://freighterlog.com/log/welland/2025-11/freighterlog:passage:316034846:2025-11-24T16:10:38ZAlgoma Niagara (Algoma Central) crossed Welland Canal (Thorold) downbound on 24 Nov 2025 11:10 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, 24 Nov 2025 16:10:38 GMThttps://freighterlog.com/log/welland/2025-11/freighterlog:passage:316034846:2025-11-21T06:32:11ZAlgoma Niagara (Algoma Central) crossed Welland Canal (Thorold) upbound on 21 Nov 2025 01:32 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 21 Nov 2025 06:32:11 GMThttps://freighterlog.com/log/welland/2025-11/freighterlog:passage:316034846:2025-11-08T22:10:27ZAlgoma Niagara (Algoma Central) crossed Welland Canal (Thorold) downbound on 8 Nov 2025 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.Sat, 08 Nov 2025 22:10:27 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:316034846:2025-11-08T00:59:59ZAlgoma Niagara (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 7 Nov 2025 19:59 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 08 Nov 2025 00:59:59 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:316034846:2025-11-07T19:08:18ZAlgoma Niagara (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 7 Nov 2025 14:08 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 07 Nov 2025 19:08:18 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:316034846:2025-11-06T23:10:21ZAlgoma Niagara (Algoma Central) crossed Soo Locks (St. Marys River) downbound on 6 Nov 2025 18:10 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 06 Nov 2025 23:10:21 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:316034846:2025-11-04T12:52:35ZAlgoma Niagara (Algoma Central) crossed Soo Locks (St. Marys River) upbound on 4 Nov 2025 07:52 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 12:52:35 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:316034846:2025-11-02T15:27:22ZAlgoma Niagara (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 2 Nov 2025 10:27 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 15:27:22 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:316034846:2025-11-02T00:53:24ZAlgoma Niagara (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 1 Nov 2025 20:53 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, 02 Nov 2025 00:53:24 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:316034846:2025-10-31T16:27:23ZAlgoma Niagara (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 31 Oct 2025 12:27 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, 31 Oct 2025 16:27:23 GMThttps://freighterlog.com/log/port-huron/2025-10/freighterlog:passage:316034846:2025-10-31T10:02:47ZAlgoma Niagara (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 31 Oct 2025 06:02 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 31 Oct 2025 10:02:47 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:316034846:2025-10-30T13:30:22ZAlgoma Niagara (Algoma Central) crossed Soo Locks (St. Marys River) downbound on 30 Oct 2025 09:30 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 13:30:22 GMThttps://freighterlog.com/log/superior-entry/2025-10/freighterlog:passage:316034846:2025-10-28T06:02:07ZAlgoma Niagara (Algoma Central) crossed Superior Entry outbound on 28 Oct 2025 01:02 CDT. 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 06:02:07 GMThttps://freighterlog.com/log/superior-entry/2025-10/freighterlog:passage:316034846:2025-10-26T18:39:19ZAlgoma Niagara (Algoma Central) crossed Superior Entry inbound on 26 Oct 2025 13:39 CDT. 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 18:39:19 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:316034846:2025-10-23T15:44:42ZAlgoma Niagara (Algoma Central) crossed Soo Locks (St. Marys River) upbound on 23 Oct 2025 11:44 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, 23 Oct 2025 15:44:42 GMThttps://freighterlog.com/log/mackinac/2025-10/freighterlog:passage:316034846:2025-10-23T07:48:18ZAlgoma Niagara (Algoma Central) crossed Straits of Mackinac eastbound on 23 Oct 2025 03:48 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, 23 Oct 2025 07:48:18 GMThttps://freighterlog.com/log/mackinac/2025-10/freighterlog:passage:316034846:2025-10-19T16:16:21ZAlgoma Niagara (Algoma Central) crossed Straits of Mackinac westbound on 19 Oct 2025 12:16 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, 19 Oct 2025 16:16:21 GMThttps://freighterlog.com/log/port-huron/2025-10/freighterlog:passage:316034846:2025-10-18T23:39:31ZAlgoma Niagara (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 18 Oct 2025 19:39 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, 18 Oct 2025 23:39:31 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:316034846:2025-10-18T14:23:32ZAlgoma Niagara (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 18 Oct 2025 10:23 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, 18 Oct 2025 14:23:32 GMThttps://freighterlog.com/log/welland/2025-10/freighterlog:passage:316034846:2025-10-17T18:02:37ZAlgoma Niagara (Algoma Central) crossed Welland Canal (Thorold) upbound on 17 Oct 2025 14:02 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 17 Oct 2025 18:02:37 GMT