Recorded chokepoint passages for Algoma Buffalo, 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-buffalo/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/mackinac/2025-12/freighterlog:passage:316036228:2025-12-30T07:26:58ZAlgoma Buffalo (Algoma Central) crossed Straits of Mackinac westbound on 30 Dec 2025 02:26 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, 30 Dec 2025 07:26:58 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:316036228:2025-12-25T05:05:28ZAlgoma Buffalo (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 25 Dec 2025 00:05 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 05:05:28 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316036228:2025-12-24T21:12:19ZAlgoma Buffalo (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 24 Dec 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.Wed, 24 Dec 2025 21:12:19 GMThttps://freighterlog.com/log/welland/2025-12/freighterlog:passage:316036228:2025-12-23T21:49:41ZAlgoma Buffalo (Algoma Central) crossed Welland Canal (Thorold) upbound on 23 Dec 2025 16:49 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 23 Dec 2025 21:49:41 GMThttps://freighterlog.com/log/welland/2025-12/freighterlog:passage:316036228:2025-12-21T10:17:16ZAlgoma Buffalo (Algoma Central) crossed Welland Canal (Thorold) downbound on 21 Dec 2025 05:17 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 21 Dec 2025 10:17:16 GMThttps://freighterlog.com/log/welland/2025-12/freighterlog:passage:316036228:2025-12-17T19:32:46ZAlgoma Buffalo (Algoma Central) crossed Welland Canal (Thorold) upbound on 17 Dec 2025 14:32 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 17 Dec 2025 19:32:46 GMThttps://freighterlog.com/log/welland/2025-12/freighterlog:passage:316036228:2025-12-15T16:41:52ZAlgoma Buffalo (Algoma Central) crossed Welland Canal (Thorold) downbound on 15 Dec 2025 11:41 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 15 Dec 2025 16:41:52 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316036228:2025-12-14T17:01:23ZAlgoma Buffalo (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 14 Dec 2025 12:01 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 14 Dec 2025 17:01:23 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:316036228:2025-12-14T11:23:58ZAlgoma Buffalo (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 14 Dec 2025 06:23 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 14 Dec 2025 11:23:58 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:316036228:2025-12-12T20:33:02ZAlgoma Buffalo (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 12 Dec 2025 15:33 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 12 Dec 2025 20:33:02 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316036228:2025-12-12T13:50:44ZAlgoma Buffalo (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 12 Dec 2025 08:50 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, 12 Dec 2025 13:50:44 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316036228:2025-12-11T14:13:32ZAlgoma Buffalo (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 11 Dec 2025 09:13 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 11 Dec 2025 14:13:32 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:316036228:2025-12-09T14:27:15ZAlgoma Buffalo (Algoma Central) crossed Straits of Mackinac eastbound on 9 Dec 2025 09:27 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 14:27:15 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:316036228:2025-12-07T15:29:10ZAlgoma Buffalo (Algoma Central) crossed Straits of Mackinac westbound on 7 Dec 2025 10:29 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 07 Dec 2025 15:29:10 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:316036228:2025-12-04T21:56:56ZAlgoma Buffalo (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 4 Dec 2025 16:56 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 04 Dec 2025 21:56:56 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316036228:2025-12-01T19:50:12ZAlgoma Buffalo (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 1 Dec 2025 14:50 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 19:50:12 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316036228:2025-12-01T15:51:41ZAlgoma Buffalo (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 1 Dec 2025 10:51 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 15:51:41 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:316036228:2025-12-01T09:07:05ZAlgoma Buffalo (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 1 Dec 2025 04:07 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 01 Dec 2025 09:07:05 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:316036228:2025-11-25T14:39:00ZAlgoma Buffalo (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 25 Nov 2025 09:39 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 14:39:00 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:316036228:2025-11-25T08:25:36ZAlgoma Buffalo (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 25 Nov 2025 03:25 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 08:25:36 GMThttps://freighterlog.com/log/welland/2025-11/freighterlog:passage:316036228:2025-11-24T10:13:27ZAlgoma Buffalo (Algoma Central) crossed Welland Canal (Thorold) upbound on 24 Nov 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.Mon, 24 Nov 2025 10:13:27 GMThttps://freighterlog.com/log/welland/2025-11/freighterlog:passage:316036228:2025-11-22T09:47:26ZAlgoma Buffalo (Algoma Central) crossed Welland Canal (Thorold) downbound on 22 Nov 2025 04:47 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 09:47:26 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:316036228:2025-11-21T08:24:45ZAlgoma Buffalo (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 21 Nov 2025 03:24 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 21 Nov 2025 08:24:45 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:316036228:2025-11-21T00:48:21ZAlgoma Buffalo (Algoma Central) crossed Port Huron / Blue Water Bridge downbound on 20 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.Fri, 21 Nov 2025 00:48:21 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:316036228:2025-11-19T10:08:16ZAlgoma Buffalo (Algoma Central) crossed Straits of Mackinac eastbound on 19 Nov 2025 05:08 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, 19 Nov 2025 10:08:16 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:316036228:2025-11-15T02:58:59ZAlgoma Buffalo (Algoma Central) crossed Straits of Mackinac westbound on 14 Nov 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.Sat, 15 Nov 2025 02:58:59 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:316036228:2025-11-02T10:06:27ZAlgoma Buffalo (Algoma Central) crossed Straits of Mackinac eastbound on 2 Nov 2025 05:06 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 10:06:27 GMThttps://freighterlog.com/log/mackinac/2025-10/freighterlog:passage:316036228:2025-10-31T12:08:40ZAlgoma Buffalo (Algoma Central) crossed Straits of Mackinac westbound on 31 Oct 2025 08:08 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, 31 Oct 2025 12:08:40 GMThttps://freighterlog.com/log/mackinac/2025-10/freighterlog:passage:316036228:2025-10-29T11:56:42ZAlgoma Buffalo (Algoma Central) crossed Straits of Mackinac eastbound on 29 Oct 2025 07:56 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 29 Oct 2025 11:56:42 GMThttps://freighterlog.com/log/mackinac/2025-10/freighterlog:passage:316036228:2025-10-27T20:44:59ZAlgoma Buffalo (Algoma Central) crossed Straits of Mackinac westbound on 27 Oct 2025 16:44 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 27 Oct 2025 20:44:59 GMThttps://freighterlog.com/log/mackinac/2025-10/freighterlog:passage:316036228:2025-10-21T04:00:00ZAlgoma Buffalo (Algoma Central) crossed Straits of Mackinac eastbound on 21 Oct 2025 00:00 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 21 Oct 2025 04:00:00 GMThttps://freighterlog.com/log/mackinac/2025-10/freighterlog:passage:316036228:2025-10-19T14:10:04ZAlgoma Buffalo (Algoma Central) crossed Straits of Mackinac westbound on 19 Oct 2025 10:10 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 14:10:04 GMThttps://freighterlog.com/log/port-huron/2025-10/freighterlog:passage:316036228:2025-10-16T02:31:43ZAlgoma Buffalo (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 15 Oct 2025 22:31 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, 16 Oct 2025 02:31:43 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:316036228:2025-10-15T20:41:38ZAlgoma Buffalo (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 15 Oct 2025 16:41 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 15 Oct 2025 20:41:38 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:316036228:2025-10-15T07:13:21ZAlgoma Buffalo (Algoma Central) crossed Detroit River / Ambassador Bridge downbound on 15 Oct 2025 03:13 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 07:13:21 GMThttps://freighterlog.com/log/mackinac/2025-10/freighterlog:passage:316036228:2025-10-13T15:29:49ZAlgoma Buffalo (Algoma Central) crossed Straits of Mackinac eastbound on 13 Oct 2025 11:29 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, 13 Oct 2025 15:29:49 GMThttps://freighterlog.com/log/mackinac/2025-10/freighterlog:passage:316036228:2025-10-09T10:00:15ZAlgoma Buffalo (Algoma Central) crossed Straits of Mackinac westbound on 9 Oct 2025 06:00 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, 09 Oct 2025 10:00:15 GMThttps://freighterlog.com/log/port-huron/2025-10/freighterlog:passage:316036228:2025-10-07T18:14:45ZAlgoma Buffalo (Algoma Central) crossed Port Huron / Blue Water Bridge upbound on 7 Oct 2025 14:14 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 07 Oct 2025 18:14:45 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:316036228:2025-10-07T12:13:19ZAlgoma Buffalo (Algoma Central) crossed Detroit River / Ambassador Bridge upbound on 7 Oct 2025 08:13 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 12:13:19 GMThttps://freighterlog.com/log/welland/2025-10/freighterlog:passage:316036228:2025-10-06T12:31:15ZAlgoma Buffalo (Algoma Central) crossed Welland Canal (Thorold) upbound on 6 Oct 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.Mon, 06 Oct 2025 12:31:15 GMT