Recorded chokepoint passages for Algotitan, 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/algotitan/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:316050854:2025-12-19T12:58:46ZAlgotitan (Algoma Central) crossed Welland Canal (Thorold) downbound on 19 Dec 2025 07:58 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, 19 Dec 2025 12:58:46 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316050854:2025-12-18T10:14:30ZAlgotitan (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 18 Dec 2025 05:14 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, 18 Dec 2025 10:14:30 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316050854:2025-12-16T03:01:49ZAlgotitan (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 15 Dec 2025 22:01 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 03:01:49 GMThttps://freighterlog.com/log/welland/2025-12/freighterlog:passage:316050854:2025-12-15T05:13:42ZAlgotitan (Algoma Central) crossed Welland Canal (Thorold) upbound on 15 Dec 2025 00:13 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 05:13:42 GMThttps://freighterlog.com/log/welland/2025-12/freighterlog:passage:316050854:2025-12-05T19:22:16ZAlgotitan (Algoma Central) crossed Welland Canal (Thorold) downbound on 5 Dec 2025 14:22 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, 05 Dec 2025 19:22:16 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316050854:2025-12-04T20:02:30ZAlgotitan (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 4 Dec 2025 15:02 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 04 Dec 2025 20:02:30 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:316050854:2025-12-03T00:44:59ZAlgotitan (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 2 Dec 2025 19:44 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, 03 Dec 2025 00:44:59 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:316050854:2025-12-02T04:27:51ZAlgotitan (Algoma Central) crossed Straits of Mackinac eastbound on 1 Dec 2025 23:27 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 04:27:51 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:316050854:2025-11-29T00:48:01ZAlgotitan (Algoma Central) crossed Straits of Mackinac westbound on 28 Nov 2025 19:48 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 00:48:01 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:316050854:2025-11-28T02:43:52ZAlgotitan (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 27 Nov 2025 21:43 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 02:43:52 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:316050854:2025-11-26T13:07:37ZAlgotitan (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 26 Nov 2025 08:07 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 13:07:37 GMThttps://freighterlog.com/log/welland/2025-11/freighterlog:passage:316050854:2025-11-22T00:41:43ZAlgotitan (Algoma Central) crossed Welland Canal (Thorold) upbound on 21 Nov 2025 19:41 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 22 Nov 2025 00:41:43 GMThttps://freighterlog.com/log/welland/2025-11/freighterlog:passage:316050854:2025-11-15T04:12:26ZAlgotitan (Algoma Central) crossed Welland Canal (Thorold) downbound on 14 Nov 2025 23:12 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 15 Nov 2025 04:12:26 GMThttps://freighterlog.com/log/welland/2025-11/freighterlog:passage:316050854:2025-11-09T11:28:09ZAlgotitan (Algoma Central) crossed Welland Canal (Thorold) upbound on 9 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.Sun, 09 Nov 2025 11:28:09 GMThttps://freighterlog.com/log/welland/2025-11/freighterlog:passage:316050854:2025-11-04T01:53:49ZAlgotitan (Algoma Central) crossed Welland Canal (Thorold) downbound on 3 Nov 2025 20:53 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 04 Nov 2025 01:53:49 GMThttps://freighterlog.com/log/welland/2025-11/freighterlog:passage:316050854:2025-11-01T12:31:50ZAlgotitan (Algoma Central) crossed Welland Canal (Thorold) upbound on 1 Nov 2025 08:31 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 01 Nov 2025 12:31:50 GMThttps://freighterlog.com/log/welland/2025-10/freighterlog:passage:316050854:2025-10-26T13:57:39ZAlgotitan (Algoma Central) crossed Welland Canal (Thorold) downbound on 26 Oct 2025 09:57 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 13:57:39 GMThttps://freighterlog.com/log/welland/2025-10/freighterlog:passage:316050854:2025-10-22T15:11:51ZAlgotitan (Algoma Central) crossed Welland Canal (Thorold) upbound on 22 Oct 2025 11:11 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 22 Oct 2025 15:11:51 GMThttps://freighterlog.com/log/welland/2025-10/freighterlog:passage:316050854:2025-10-14T11:16:37ZAlgotitan (Algoma Central) crossed Welland Canal (Thorold) downbound on 14 Oct 2025 07:16 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 14 Oct 2025 11:16:37 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:316050854:2025-10-13T11:47:50ZAlgotitan (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 13 Oct 2025 07:47 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 13 Oct 2025 11:47:50 GMThttps://freighterlog.com/log/welland/2025-10/freighterlog:passage:316050854:2025-10-10T11:42:07ZAlgotitan (Algoma Central) crossed Welland Canal (Thorold) upbound on 10 Oct 2025 07:42 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 10 Oct 2025 11:42:07 GMThttps://freighterlog.com/log/detroit-river/2025-09/freighterlog:passage:316050854:2025-09-28T21:24:36ZAlgotitan (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 28 Sep 2025 17:24 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 28 Sep 2025 21:24:36 GMThttps://freighterlog.com/log/detroit-river/2025-09/freighterlog:passage:316050854:2025-09-26T07:54:25ZAlgotitan (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 26 Sep 2025 03:54 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, 26 Sep 2025 07:54:25 GMThttps://freighterlog.com/log/welland/2025-09/freighterlog:passage:316050854:2025-09-25T12:42:04ZAlgotitan (Algoma Central) crossed Welland Canal (Thorold) upbound on 25 Sep 2025 08:42 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 25 Sep 2025 12:42:04 GMThttps://freighterlog.com/log/welland/2025-09/freighterlog:passage:316050854:2025-09-18T13:02:10ZAlgotitan (Algoma Central) crossed Welland Canal (Thorold) downbound on 18 Sep 2025 09:02 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 18 Sep 2025 13:02:10 GMThttps://freighterlog.com/log/detroit-river/2025-09/freighterlog:passage:316050854:2025-09-17T07:27:56ZAlgotitan (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 17 Sep 2025 03:27 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 17 Sep 2025 07:27:56 GMThttps://freighterlog.com/log/port-huron/2025-09/freighterlog:passage:316050854:2025-09-15T10:46:00ZAlgotitan (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 15 Sep 2025 06:46 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, 15 Sep 2025 10:46:00 GMThttps://freighterlog.com/log/port-huron/2025-09/freighterlog:passage:316050854:2025-09-14T23:53:31ZAlgotitan (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 14 Sep 2025 19:53 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, 14 Sep 2025 23:53:31 GMThttps://freighterlog.com/log/detroit-river/2025-09/freighterlog:passage:316050854:2025-09-14T18:40:55ZAlgotitan (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 14 Sep 2025 14:40 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, 14 Sep 2025 18:40:55 GMThttps://freighterlog.com/log/welland/2025-09/freighterlog:passage:316050854:2025-09-12T15:51:35ZAlgotitan (Algoma Central) crossed Welland Canal (Thorold) upbound on 12 Sep 2025 11:51 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 12 Sep 2025 15:51:35 GMThttps://freighterlog.com/log/welland/2025-08/freighterlog:passage:316050854:2025-08-31T13:15:14ZAlgotitan (Algoma Central) crossed Welland Canal (Thorold) downbound on 31 Aug 2025 09:15 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 13:15:14 GMThttps://freighterlog.com/log/welland/2025-08/freighterlog:passage:316050854:2025-08-28T02:38:46ZAlgotitan (Algoma Central) crossed Welland Canal (Thorold) upbound on 27 Aug 2025 22:38 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 02:38:46 GMThttps://freighterlog.com/log/welland/2025-08/freighterlog:passage:316050854:2025-08-22T12:29:47ZAlgotitan (Algoma Central) crossed Welland Canal (Thorold) downbound on 22 Aug 2025 08:29 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, 22 Aug 2025 12:29:47 GMThttps://freighterlog.com/log/detroit-river/2025-08/freighterlog:passage:316050854:2025-08-21T10:06:32ZAlgotitan (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 21 Aug 2025 06:06 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, 21 Aug 2025 10:06:32 GMThttps://freighterlog.com/log/port-huron/2025-08/freighterlog:passage:316050854:2025-08-20T10:42:09ZAlgotitan (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 20 Aug 2025 06:42 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 20 Aug 2025 10:42:09 GMThttps://freighterlog.com/log/port-huron/2025-08/freighterlog:passage:316050854:2025-08-18T15:24:12ZAlgotitan (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 18 Aug 2025 11:24 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, 18 Aug 2025 15:24:12 GMThttps://freighterlog.com/log/detroit-river/2025-08/freighterlog:passage:316050854:2025-08-13T17:23:03ZAlgotitan (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 13 Aug 2025 13:23 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 13 Aug 2025 17:23:03 GMThttps://freighterlog.com/log/welland/2025-08/freighterlog:passage:316050854:2025-08-11T02:38:10ZAlgotitan (Algoma Central) crossed Welland Canal (Thorold) upbound on 10 Aug 2025 22:38 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, 11 Aug 2025 02:38:10 GMThttps://freighterlog.com/log/welland/2025-07/freighterlog:passage:316050854:2025-07-19T18:20:40ZAlgotitan (Algoma Central) crossed Welland Canal (Thorold) downbound on 19 Jul 2025 14:20 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, 19 Jul 2025 18:20:40 GMThttps://freighterlog.com/log/detroit-river/2025-07/freighterlog:passage:316050854:2025-07-18T18:26:29ZAlgotitan (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 18 Jul 2025 14:26 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, 18 Jul 2025 18:26:29 GMT