Recorded chokepoint passages for Algocanada, 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/algocanada/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:316013215:2025-12-16T08:11:43ZAlgocanada (Algoma Central) crossed Welland Canal (Thorold) downbound on 16 Dec 2025 03:11 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 08:11:43 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316013215:2025-12-15T03:43:36ZAlgocanada (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 14 Dec 2025 22:43 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 15 Dec 2025 03:43:36 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316013215:2025-12-08T17:45:00ZAlgocanada (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 8 Dec 2025 12:45 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 17:45:00 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316013215:2025-12-04T04:01:48ZAlgocanada (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 3 Dec 2025 23:01 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 04 Dec 2025 04:01:48 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316013215:2025-12-01T18:20:35ZAlgocanada (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 1 Dec 2025 13:20 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 18:20:35 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:316013215:2025-11-24T06:19:36ZAlgocanada (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 24 Nov 2025 01:19 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, 24 Nov 2025 06:19:36 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:316013215:2025-11-22T03:56:12ZAlgocanada (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 21 Nov 2025 22:56 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 03:56:12 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:316013215:2025-11-19T10:01:03ZAlgocanada (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 19 Nov 2025 05:01 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 19 Nov 2025 10:01:03 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:316013215:2025-11-16T16:22:27ZAlgocanada (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 16 Nov 2025 11:22 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 16 Nov 2025 16:22:27 GMThttps://freighterlog.com/log/welland/2025-11/freighterlog:passage:316013215:2025-11-12T08:08:10ZAlgocanada (Algoma Central) crossed Welland Canal (Thorold) upbound on 12 Nov 2025 03:08 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, 12 Nov 2025 08:08:10 GMThttps://freighterlog.com/log/welland/2025-11/freighterlog:passage:316013215:2025-11-06T22:36:18ZAlgocanada (Algoma Central) crossed Welland Canal (Thorold) downbound on 6 Nov 2025 17:36 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 22:36:18 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:316013215:2025-11-05T22:43:57ZAlgocanada (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 5 Nov 2025 17:43 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 05 Nov 2025 22:43:57 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:316013215:2025-11-04T13:11:32ZAlgocanada (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 4 Nov 2025 08:11 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 13:11:32 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:316013215:2025-11-03T04:29:41ZAlgocanada (Algoma Central) crossed Straits of Mackinac eastbound on 2 Nov 2025 23:29 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, 03 Nov 2025 04:29:41 GMThttps://freighterlog.com/log/mackinac/2025-10/freighterlog:passage:316013215:2025-10-31T16:00:34ZAlgocanada (Algoma Central) crossed Straits of Mackinac westbound on 31 Oct 2025 12:00 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 16:00:34 GMThttps://freighterlog.com/log/port-huron/2025-10/freighterlog:passage:316013215:2025-10-30T16:02:43ZAlgocanada (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 30 Oct 2025 12:02 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, 30 Oct 2025 16:02:43 GMThttps://freighterlog.com/log/port-huron/2025-10/freighterlog:passage:316013215:2025-10-25T02:14:05ZAlgocanada (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 24 Oct 2025 22:14 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, 25 Oct 2025 02:14:05 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:316013215:2025-10-24T20:49:04ZAlgocanada (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 24 Oct 2025 16:49 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 24 Oct 2025 20:49:04 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:316013215:2025-10-19T03:19:48ZAlgocanada (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 18 Oct 2025 23:19 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 03:19:48 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:316013215:2025-10-15T23:29:05ZAlgocanada (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 15 Oct 2025 19:29 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 15 Oct 2025 23:29:05 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:316013215:2025-10-14T08:15:10ZAlgocanada (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 14 Oct 2025 04:15 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 14 Oct 2025 08:15:10 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:316013215:2025-10-09T17:52:49ZAlgocanada (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 9 Oct 2025 13:52 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 09 Oct 2025 17:52:49 GMThttps://freighterlog.com/log/port-huron/2025-10/freighterlog:passage:316013215:2025-10-05T11:57:57ZAlgocanada (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 5 Oct 2025 07:57 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, 05 Oct 2025 11:57:57 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:316013215:2025-10-03T13:34:34ZAlgocanada (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 3 Oct 2025 09:34 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 13:34:34 GMThttps://freighterlog.com/log/detroit-river/2025-09/freighterlog:passage:316013215:2025-09-29T07:21:47ZAlgocanada (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 29 Sep 2025 03:21 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, 29 Sep 2025 07:21:47 GMThttps://freighterlog.com/log/port-huron/2025-09/freighterlog:passage:316013215:2025-09-27T14:38:52ZAlgocanada (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 27 Sep 2025 10:38 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 27 Sep 2025 14:38:52 GMThttps://freighterlog.com/log/port-huron/2025-09/freighterlog:passage:316013215:2025-09-21T15:31:14ZAlgocanada (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 21 Sep 2025 11:31 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, 21 Sep 2025 15:31:14 GMThttps://freighterlog.com/log/detroit-river/2025-09/freighterlog:passage:316013215:2025-09-19T06:24:58ZAlgocanada (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 19 Sep 2025 02:24 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, 19 Sep 2025 06:24:58 GMThttps://freighterlog.com/log/detroit-river/2025-09/freighterlog:passage:316013215:2025-09-16T07:40:37ZAlgocanada (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 16 Sep 2025 03:40 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 16 Sep 2025 07:40:37 GMThttps://freighterlog.com/log/detroit-river/2025-09/freighterlog:passage:316013215:2025-09-13T23:05:29ZAlgocanada (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 13 Sep 2025 19:05 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, 13 Sep 2025 23:05:29 GMThttps://freighterlog.com/log/welland/2025-09/freighterlog:passage:316013215:2025-09-11T17:56:09ZAlgocanada (Algoma Central) crossed Welland Canal (Thorold) upbound on 11 Sep 2025 13:56 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, 11 Sep 2025 17:56:09 GMThttps://freighterlog.com/log/welland/2025-09/freighterlog:passage:316013215:2025-09-09T15:34:11ZAlgocanada (Algoma Central) crossed Welland Canal (Thorold) downbound on 9 Sep 2025 11:34 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, 09 Sep 2025 15:34:11 GMThttps://freighterlog.com/log/detroit-river/2025-09/freighterlog:passage:316013215:2025-09-08T17:25:11ZAlgocanada (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 8 Sep 2025 13:25 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, 08 Sep 2025 17:25:11 GMThttps://freighterlog.com/log/port-huron/2025-09/freighterlog:passage:316013215:2025-09-03T08:11:20ZAlgocanada (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 3 Sep 2025 04:11 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, 03 Sep 2025 08:11:20 GMThttps://freighterlog.com/log/detroit-river/2025-09/freighterlog:passage:316013215:2025-09-02T12:50:46ZAlgocanada (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 2 Sep 2025 08:50 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 02 Sep 2025 12:50:46 GMThttps://freighterlog.com/log/detroit-river/2025-08/freighterlog:passage:316013215:2025-08-27T18:59:34ZAlgocanada (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 27 Aug 2025 14:59 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 27 Aug 2025 18:59:34 GMThttps://freighterlog.com/log/detroit-river/2025-08/freighterlog:passage:316013215:2025-08-26T03:40:13ZAlgocanada (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 25 Aug 2025 23:40 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 26 Aug 2025 03:40:13 GMThttps://freighterlog.com/log/detroit-river/2025-08/freighterlog:passage:316013215:2025-08-22T21:36:30ZAlgocanada (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 22 Aug 2025 17:36 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 21:36:30 GMThttps://freighterlog.com/log/detroit-river/2025-08/freighterlog:passage:316013215:2025-08-17T06:15:44ZAlgocanada (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 17 Aug 2025 02:15 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, 17 Aug 2025 06:15:44 GMThttps://freighterlog.com/log/welland/2025-08/freighterlog:passage:316013215:2025-08-14T20:05:17ZAlgocanada (Algoma Central) crossed Welland Canal (Thorold) upbound on 14 Aug 2025 16:05 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, 14 Aug 2025 20:05:17 GMT