Recorded chokepoint passages for Algoma Strongfield, 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-strongfield/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/soo/2025-12/freighterlog:passage:316014060:2025-12-31T09:49:23ZAlgoma Strongfield (Algoma Central) crossed Soo Locks (St. Marys River) downbound on 31 Dec 2025 04:49 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, 31 Dec 2025 09:49:23 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:316014060:2025-12-27T18:37:39ZAlgoma Strongfield (Algoma Central) crossed Soo Locks (St. Marys River) upbound on 27 Dec 2025 13:37 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 18:37:39 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:316014060:2025-12-26T23:36:21ZAlgoma Strongfield (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 26 Dec 2025 18:36 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 26 Dec 2025 23:36:21 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316014060:2025-12-26T14:54:32ZAlgoma Strongfield (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 26 Dec 2025 09:54 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 14:54:32 GMThttps://freighterlog.com/log/welland/2025-12/freighterlog:passage:316014060:2025-12-25T18:45:27ZAlgoma Strongfield (Algoma Central) crossed Welland Canal (Thorold) upbound on 25 Dec 2025 13:45 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 25 Dec 2025 18:45:27 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316014060:2025-12-09T05:18:03ZAlgoma Strongfield (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 9 Dec 2025 00:18 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 05:18:03 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316014060:2025-12-06T17:40:10ZAlgoma Strongfield (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 6 Dec 2025 12:40 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 06 Dec 2025 17:40:10 GMThttps://freighterlog.com/log/welland/2025-12/freighterlog:passage:316014060:2025-12-05T20:23:37ZAlgoma Strongfield (Algoma Central) crossed Welland Canal (Thorold) upbound on 5 Dec 2025 15:23 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 05 Dec 2025 20:23:37 GMThttps://freighterlog.com/log/welland/2025-11/freighterlog:passage:316014060:2025-11-26T10:27:42ZAlgoma Strongfield (Algoma Central) crossed Welland Canal (Thorold) downbound on 26 Nov 2025 05:27 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 26 Nov 2025 10:27:42 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:316014060:2025-11-25T12:30:31ZAlgoma Strongfield (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 25 Nov 2025 07:30 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, 25 Nov 2025 12:30:31 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:316014060:2025-11-25T07:42:31ZAlgoma Strongfield (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 25 Nov 2025 02:42 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, 25 Nov 2025 07:42:31 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:316014060:2025-11-24T12:35:49ZAlgoma Strongfield (Algoma Central) crossed Soo Locks (St. Marys River) downbound on 24 Nov 2025 07:35 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 24 Nov 2025 12:35:49 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:316014060:2025-11-20T12:46:45ZAlgoma Strongfield (Algoma Central) crossed Soo Locks (St. Marys River) upbound on 20 Nov 2025 07:46 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, 20 Nov 2025 12:46:45 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:316014060:2025-11-19T14:35:27ZAlgoma Strongfield (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 19 Nov 2025 09:35 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 19 Nov 2025 14:35:27 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:316014060:2025-11-19T05:29:48ZAlgoma Strongfield (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 19 Nov 2025 00:29 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 19 Nov 2025 05:29:48 GMThttps://freighterlog.com/log/welland/2025-11/freighterlog:passage:316014060:2025-11-18T09:54:31ZAlgoma Strongfield (Algoma Central) crossed Welland Canal (Thorold) upbound on 18 Nov 2025 04:54 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, 18 Nov 2025 09:54:31 GMThttps://freighterlog.com/log/welland/2025-11/freighterlog:passage:316014060:2025-11-10T19:58:28ZAlgoma Strongfield (Algoma Central) crossed Welland Canal (Thorold) downbound on 10 Nov 2025 14:58 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 10 Nov 2025 19:58:28 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:316014060:2025-11-09T21:12:06ZAlgoma Strongfield (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 9 Nov 2025 16:12 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 09 Nov 2025 21:12:06 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:316014060:2025-11-09T15:54:39ZAlgoma Strongfield (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 9 Nov 2025 10:54 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 15:54:39 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:316014060:2025-11-08T20:19:05ZAlgoma Strongfield (Algoma Central) crossed Soo Locks (St. Marys River) downbound on 8 Nov 2025 15:19 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 08 Nov 2025 20:19:05 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:316014060:2025-11-05T00:10:32ZAlgoma Strongfield (Algoma Central) crossed Soo Locks (St. Marys River) upbound on 4 Nov 2025 19:10 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 05 Nov 2025 00:10:32 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:316014060:2025-11-03T14:22:31ZAlgoma Strongfield (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 3 Nov 2025 09:22 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 03 Nov 2025 14:22:31 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:316014060:2025-11-03T02:08:20ZAlgoma Strongfield (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 2 Nov 2025 21:08 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 03 Nov 2025 02:08:20 GMThttps://freighterlog.com/log/welland/2025-11/freighterlog:passage:316014060:2025-11-02T06:33:22ZAlgoma Strongfield (Algoma Central) crossed Welland Canal (Thorold) upbound on 2 Nov 2025 01:33 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 06:33:22 GMThttps://freighterlog.com/log/welland/2025-10/freighterlog:passage:316014060:2025-10-24T00:03:14ZAlgoma Strongfield (Algoma Central) crossed Welland Canal (Thorold) downbound on 23 Oct 2025 20:03 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 00:03:14 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:316014060:2025-10-23T00:31:19ZAlgoma Strongfield (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 22 Oct 2025 20:31 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, 23 Oct 2025 00:31:19 GMThttps://freighterlog.com/log/port-huron/2025-10/freighterlog:passage:316014060:2025-10-22T17:19:47ZAlgoma Strongfield (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 22 Oct 2025 13:19 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 22 Oct 2025 17:19:47 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:316014060:2025-10-21T21:32:14ZAlgoma Strongfield (Algoma Central) crossed Soo Locks (St. Marys River) downbound on 21 Oct 2025 17:32 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, 21 Oct 2025 21:32:14 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:316014060:2025-10-17T03:30:53ZAlgoma Strongfield (Algoma Central) crossed Soo Locks (St. Marys River) upbound on 16 Oct 2025 23:30 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 17 Oct 2025 03:30:53 GMThttps://freighterlog.com/log/port-huron/2025-10/freighterlog:passage:316014060:2025-10-16T08:04:36ZAlgoma Strongfield (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 16 Oct 2025 04:04 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, 16 Oct 2025 08:04:36 GMThttps://freighterlog.com/log/welland/2025-10/freighterlog:passage:316014060:2025-10-15T07:07:36ZAlgoma Strongfield (Algoma Central) crossed Welland Canal (Thorold) upbound on 15 Oct 2025 03:07 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 07:07:36 GMThttps://freighterlog.com/log/welland/2025-10/freighterlog:passage:316014060:2025-10-03T19:08:09ZAlgoma Strongfield (Algoma Central) crossed Welland Canal (Thorold) downbound on 3 Oct 2025 15:08 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 19:08:09 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:316014060:2025-10-02T22:07:10ZAlgoma Strongfield (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 2 Oct 2025 18:07 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, 02 Oct 2025 22:07:10 GMThttps://freighterlog.com/log/port-huron/2025-10/freighterlog:passage:316014060:2025-10-02T17:00:04ZAlgoma Strongfield (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 2 Oct 2025 13:00 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 02 Oct 2025 17:00:04 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:316014060:2025-10-01T20:33:44ZAlgoma Strongfield (Algoma Central) crossed Soo Locks (St. Marys River) downbound on 1 Oct 2025 16:33 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, 01 Oct 2025 20:33:44 GMThttps://freighterlog.com/log/soo/2025-09/freighterlog:passage:316014060:2025-09-28T06:06:02ZAlgoma Strongfield (Algoma Central) crossed Soo Locks (St. Marys River) upbound on 28 Sep 2025 02:06 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 28 Sep 2025 06:06:02 GMThttps://freighterlog.com/log/port-huron/2025-09/freighterlog:passage:316014060:2025-09-27T11:15:53ZAlgoma Strongfield (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 27 Sep 2025 07:15 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 27 Sep 2025 11:15:53 GMThttps://freighterlog.com/log/detroit-river/2025-09/freighterlog:passage:316014060:2025-09-27T02:16:23ZAlgoma Strongfield (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 26 Sep 2025 22:16 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 27 Sep 2025 02:16:23 GMThttps://freighterlog.com/log/welland/2025-09/freighterlog:passage:316014060:2025-09-26T06:25:43ZAlgoma Strongfield (Algoma Central) crossed Welland Canal (Thorold) upbound on 26 Sep 2025 02:25 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 26 Sep 2025 06:25:43 GMThttps://freighterlog.com/log/detroit-river/2025-09/freighterlog:passage:316014060:2025-09-14T21:19:57ZAlgoma Strongfield (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 14 Sep 2025 17:19 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, 14 Sep 2025 21:19:57 GMT