Recorded chokepoint passages for Algoma Harvester, 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-harvester/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/detroit-river/2025-12/freighterlog:passage:316011710:2025-12-31T15:43:21ZAlgoma Harvester (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 31 Dec 2025 10:43 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, 31 Dec 2025 15:43:21 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:316011710:2025-12-31T10:13:29ZAlgoma Harvester (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 31 Dec 2025 05:13 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 31 Dec 2025 10:13:29 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:316011710:2025-12-28T17:15:54ZAlgoma Harvester (Algoma Central) crossed Soo Locks (St. Marys River) downbound on 28 Dec 2025 12:15 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 17:15:54 GMThttps://freighterlog.com/log/superior-entry/2025-12/freighterlog:passage:316011710:2025-12-27T04:57:06ZAlgoma Harvester (Algoma Central) crossed Superior Entry outbound on 26 Dec 2025 22:57 CST. 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 04:57:06 GMThttps://freighterlog.com/log/superior-entry/2025-12/freighterlog:passage:316011710:2025-12-26T22:28:12ZAlgoma Harvester (Algoma Central) crossed Superior Entry inbound on 26 Dec 2025 16:28 CST. 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 22:28:12 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:316011710:2025-12-25T15:48:56ZAlgoma Harvester (Algoma Central) crossed Soo Locks (St. Marys River) upbound on 25 Dec 2025 10:48 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 25 Dec 2025 15:48:56 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:316011710:2025-12-24T18:56:32ZAlgoma Harvester (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 24 Dec 2025 13:56 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 24 Dec 2025 18:56:32 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316011710:2025-12-24T10:55:33ZAlgoma Harvester (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 24 Dec 2025 05:55 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 10:55:33 GMThttps://freighterlog.com/log/welland/2025-12/freighterlog:passage:316011710:2025-12-23T11:35:50ZAlgoma Harvester (Algoma Central) crossed Welland Canal (Thorold) upbound on 23 Dec 2025 06:35 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 23 Dec 2025 11:35:50 GMThttps://freighterlog.com/log/welland/2025-12/freighterlog:passage:316011710:2025-12-11T02:32:10ZAlgoma Harvester (Algoma Central) crossed Welland Canal (Thorold) downbound on 10 Dec 2025 21:32 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 11 Dec 2025 02:32:10 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316011710:2025-12-10T03:43:58ZAlgoma Harvester (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 9 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.Wed, 10 Dec 2025 03:43:58 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:316011710:2025-12-09T22:24:58ZAlgoma Harvester (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 9 Dec 2025 17:24 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, 09 Dec 2025 22:24:58 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:316011710:2025-12-08T19:30:30ZAlgoma Harvester (Algoma Central) crossed Soo Locks (St. Marys River) downbound on 8 Dec 2025 14:30 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 08 Dec 2025 19:30:30 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:316011710:2025-12-04T17:52:23ZAlgoma Harvester (Algoma Central) crossed Soo Locks (St. Marys River) upbound on 4 Dec 2025 12:52 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 04 Dec 2025 17:52:23 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:316011710:2025-12-03T05:20:56ZAlgoma Harvester (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 3 Dec 2025 00:20 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 03 Dec 2025 05:20:56 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316011710:2025-12-02T19:52:04ZAlgoma Harvester (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 2 Dec 2025 14:52 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, 02 Dec 2025 19:52:04 GMThttps://freighterlog.com/log/welland/2025-12/freighterlog:passage:316011710:2025-12-02T01:24:31ZAlgoma Harvester (Algoma Central) crossed Welland Canal (Thorold) upbound on 1 Dec 2025 20:24 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, 02 Dec 2025 01:24:31 GMThttps://freighterlog.com/log/welland/2025-11/freighterlog:passage:316011710:2025-11-17T11:17:10ZAlgoma Harvester (Algoma Central) crossed Welland Canal (Thorold) downbound on 17 Nov 2025 06:17 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, 17 Nov 2025 11:17:10 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:316011710:2025-11-15T20:53:15ZAlgoma Harvester (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 15 Nov 2025 15:53 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 15 Nov 2025 20:53:15 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:316011710:2025-11-15T15:12:21ZAlgoma Harvester (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 15 Nov 2025 10:12 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 15:12:21 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:316011710:2025-11-14T18:56:53ZAlgoma Harvester (Algoma Central) crossed Soo Locks (St. Marys River) downbound on 14 Nov 2025 13:56 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 14 Nov 2025 18:56:53 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:316011710:2025-11-10T19:05:18ZAlgoma Harvester (Algoma Central) crossed Soo Locks (St. Marys River) upbound on 10 Nov 2025 14:05 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 10 Nov 2025 19:05:18 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:316011710:2025-11-09T15:10:28ZAlgoma Harvester (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 9 Nov 2025 10:10 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 09 Nov 2025 15:10:28 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:316011710:2025-11-09T02:07:58ZAlgoma Harvester (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 8 Nov 2025 21:07 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 09 Nov 2025 02:07:58 GMThttps://freighterlog.com/log/welland/2025-11/freighterlog:passage:316011710:2025-11-08T07:43:44ZAlgoma Harvester (Algoma Central) crossed Welland Canal (Thorold) upbound on 8 Nov 2025 02:43 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 08 Nov 2025 07:43:44 GMThttps://freighterlog.com/log/welland/2025-10/freighterlog:passage:316011710:2025-10-27T17:29:53ZAlgoma Harvester (Algoma Central) crossed Welland Canal (Thorold) downbound on 27 Oct 2025 13:29 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 27 Oct 2025 17:29:53 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:316011710:2025-10-26T21:27:56ZAlgoma Harvester (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 26 Oct 2025 17:27 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 26 Oct 2025 21:27:56 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:316011710:2025-10-25T21:08:04ZAlgoma Harvester (Algoma Central) crossed Soo Locks (St. Marys River) downbound on 25 Oct 2025 17:08 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 25 Oct 2025 21:08:04 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:316011710:2025-10-21T06:33:17ZAlgoma Harvester (Algoma Central) crossed Soo Locks (St. Marys River) upbound on 21 Oct 2025 02:33 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 21 Oct 2025 06:33:17 GMThttps://freighterlog.com/log/port-huron/2025-10/freighterlog:passage:316011710:2025-10-20T12:17:17ZAlgoma Harvester (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 20 Oct 2025 08:17 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, 20 Oct 2025 12:17:17 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:316011710:2025-10-20T07:04:18ZAlgoma Harvester (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 20 Oct 2025 03:04 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 20 Oct 2025 07:04:18 GMThttps://freighterlog.com/log/welland/2025-10/freighterlog:passage:316011710:2025-10-19T10:31:52ZAlgoma Harvester (Algoma Central) crossed Welland Canal (Thorold) upbound on 19 Oct 2025 06:31 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, 19 Oct 2025 10:31:52 GMThttps://freighterlog.com/log/welland/2025-10/freighterlog:passage:316011710:2025-10-09T11:41:07ZAlgoma Harvester (Algoma Central) crossed Welland Canal (Thorold) downbound on 9 Oct 2025 07:41 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 11:41:07 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:316011710:2025-10-08T14:50:07ZAlgoma Harvester (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 8 Oct 2025 10:50 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 08 Oct 2025 14:50:07 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:316011710:2025-10-07T14:57:34ZAlgoma Harvester (Algoma Central) crossed Soo Locks (St. Marys River) downbound on 7 Oct 2025 10:57 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 07 Oct 2025 14:57:34 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:316011710:2025-10-04T05:51:46ZAlgoma Harvester (Algoma Central) crossed Soo Locks (St. Marys River) upbound on 4 Oct 2025 01:51 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 04 Oct 2025 05:51:46 GMThttps://freighterlog.com/log/port-huron/2025-10/freighterlog:passage:316011710:2025-10-03T11:37:32ZAlgoma Harvester (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 3 Oct 2025 07:37 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 11:37:32 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:316011710:2025-10-03T05:29:33ZAlgoma Harvester (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 3 Oct 2025 01:29 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, 03 Oct 2025 05:29:33 GMThttps://freighterlog.com/log/welland/2025-10/freighterlog:passage:316011710:2025-10-02T11:34:17ZAlgoma Harvester (Algoma Central) crossed Welland Canal (Thorold) upbound on 2 Oct 2025 07:34 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 02 Oct 2025 11:34:17 GMThttps://freighterlog.com/log/detroit-river/2025-09/freighterlog:passage:316011710:2025-09-19T11:38:46ZAlgoma Harvester (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 19 Sep 2025 07:38 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 19 Sep 2025 11:38:46 GMT