Recorded chokepoint passages for Joseph L Block, 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/joseph-l-block/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:367082230:2025-12-26T23:50:07ZJoseph L Block (Central Marine Logistics) crossed Soo Locks (St. Marys River) upbound on 26 Dec 2025 18:50 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, 26 Dec 2025 23:50:07 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:367082230:2025-12-26T14:26:45ZJoseph L Block (Central Marine Logistics) crossed Straits of Mackinac eastbound on 26 Dec 2025 09:26 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 26 Dec 2025 14:26:45 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:367082230:2025-12-22T19:19:22ZJoseph L Block (Central Marine Logistics) crossed Straits of Mackinac westbound on 22 Dec 2025 14:19 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, 22 Dec 2025 19:19:22 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:367082230:2025-12-22T11:23:00ZJoseph L Block (Central Marine Logistics) crossed Soo Locks (St. Marys River) downbound on 22 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.Mon, 22 Dec 2025 11:23:00 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:367082230:2025-12-18T22:40:21ZJoseph L Block (Central Marine Logistics) crossed Soo Locks (St. Marys River) upbound on 18 Dec 2025 17:40 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 18 Dec 2025 22:40:21 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:367082230:2025-12-17T19:22:46ZJoseph L Block (Central Marine Logistics) crossed Straits of Mackinac eastbound on 17 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.Wed, 17 Dec 2025 19:22:46 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:367082230:2025-12-14T05:03:02ZJoseph L Block (Central Marine Logistics) crossed Straits of Mackinac westbound on 14 Dec 2025 00:03 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 05:03:02 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:367082230:2025-12-13T04:44:32ZJoseph L Block (Central Marine Logistics) crossed Soo Locks (St. Marys River) downbound on 12 Dec 2025 23:44 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 13 Dec 2025 04:44:32 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:367082230:2025-12-10T16:40:25ZJoseph L Block (Central Marine Logistics) crossed Soo Locks (St. Marys River) upbound on 10 Dec 2025 11:40 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 10 Dec 2025 16:40:25 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:367082230:2025-12-10T04:34:17ZJoseph L Block (Central Marine Logistics) crossed Straits of Mackinac eastbound on 9 Dec 2025 23:34 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 04:34:17 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:367082230:2025-12-07T01:55:22ZJoseph L Block (Central Marine Logistics) crossed Straits of Mackinac westbound on 6 Dec 2025 20:55 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 07 Dec 2025 01:55:22 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:367082230:2025-12-06T17:17:28ZJoseph L Block (Central Marine Logistics) crossed Soo Locks (St. Marys River) downbound on 6 Dec 2025 12:17 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 06 Dec 2025 17:17:28 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:367082230:2025-12-04T09:21:59ZJoseph L Block (Central Marine Logistics) crossed Soo Locks (St. Marys River) upbound on 4 Dec 2025 04:21 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 09:21:59 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:367082230:2025-12-04T00:21:37ZJoseph L Block (Central Marine Logistics) crossed Straits of Mackinac eastbound on 3 Dec 2025 19:21 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 00:21:37 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:367082230:2025-12-01T01:58:03ZJoseph L Block (Central Marine Logistics) crossed Straits of Mackinac westbound on 30 Nov 2025 20:58 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, 01 Dec 2025 01:58:03 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:367082230:2025-11-30T17:07:21ZJoseph L Block (Central Marine Logistics) crossed Soo Locks (St. Marys River) downbound on 30 Nov 2025 12:07 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, 30 Nov 2025 17:07:21 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:367082230:2025-11-25T21:35:44ZJoseph L Block (Central Marine Logistics) crossed Soo Locks (St. Marys River) upbound on 25 Nov 2025 16:35 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, 25 Nov 2025 21:35:44 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:367082230:2025-11-25T10:57:46ZJoseph L Block (Central Marine Logistics) crossed Straits of Mackinac eastbound on 25 Nov 2025 05:57 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 10:57:46 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:367082230:2025-11-22T15:43:50ZJoseph L Block (Central Marine Logistics) crossed Straits of Mackinac westbound on 22 Nov 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.Sat, 22 Nov 2025 15:43:50 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:367082230:2025-11-22T07:30:54ZJoseph L Block (Central Marine Logistics) crossed Soo Locks (St. Marys River) downbound on 22 Nov 2025 02:30 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 22 Nov 2025 07:30:54 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:367082230:2025-11-20T07:07:07ZJoseph L Block (Central Marine Logistics) crossed Soo Locks (St. Marys River) upbound on 20 Nov 2025 02:07 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 20 Nov 2025 07:07:07 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:367082230:2025-11-19T22:38:08ZJoseph L Block (Central Marine Logistics) crossed Straits of Mackinac eastbound on 19 Nov 2025 17:38 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 22:38:08 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:367082230:2025-11-17T04:07:03ZJoseph L Block (Central Marine Logistics) crossed Straits of Mackinac westbound on 16 Nov 2025 23:07 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, 17 Nov 2025 04:07:03 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:367082230:2025-11-16T00:23:46ZJoseph L Block (Central Marine Logistics) crossed Soo Locks (St. Marys River) downbound on 15 Nov 2025 19:23 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, 16 Nov 2025 00:23:46 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:367082230:2025-11-13T02:57:31ZJoseph L Block (Central Marine Logistics) crossed Soo Locks (St. Marys River) upbound on 12 Nov 2025 21:57 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, 13 Nov 2025 02:57:31 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:367082230:2025-11-12T17:40:21ZJoseph L Block (Central Marine Logistics) crossed Straits of Mackinac eastbound on 12 Nov 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.Wed, 12 Nov 2025 17:40:21 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:367082230:2025-11-07T16:28:37ZJoseph L Block (Central Marine Logistics) crossed Straits of Mackinac westbound on 7 Nov 2025 11:28 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 07 Nov 2025 16:28:37 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:367082230:2025-11-07T08:00:08ZJoseph L Block (Central Marine Logistics) crossed Soo Locks (St. Marys River) downbound on 7 Nov 2025 03:00 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, 07 Nov 2025 08:00:08 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:367082230:2025-11-04T10:17:00ZJoseph L Block (Central Marine Logistics) crossed Soo Locks (St. Marys River) upbound on 4 Nov 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.Tue, 04 Nov 2025 10:17:00 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:367082230:2025-11-03T22:33:24ZJoseph L Block (Central Marine Logistics) crossed Straits of Mackinac eastbound on 3 Nov 2025 17:33 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 03 Nov 2025 22:33:24 GMThttps://freighterlog.com/log/mackinac/2025-10/freighterlog:passage:367082230:2025-10-31T10:06:49ZJoseph L Block (Central Marine Logistics) crossed Straits of Mackinac westbound on 31 Oct 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.Fri, 31 Oct 2025 10:06:49 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:367082230:2025-10-31T01:05:00ZJoseph L Block (Central Marine Logistics) crossed Soo Locks (St. Marys River) downbound on 30 Oct 2025 21:05 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 31 Oct 2025 01:05:00 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:367082230:2025-10-29T06:29:02ZJoseph L Block (Central Marine Logistics) crossed Soo Locks (St. Marys River) upbound on 29 Oct 2025 02:29 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, 29 Oct 2025 06:29:02 GMThttps://freighterlog.com/log/mackinac/2025-10/freighterlog:passage:367082230:2025-10-28T20:57:15ZJoseph L Block (Central Marine Logistics) crossed Straits of Mackinac eastbound on 28 Oct 2025 16:57 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, 28 Oct 2025 20:57:15 GMThttps://freighterlog.com/log/mackinac/2025-10/freighterlog:passage:367082230:2025-10-26T02:11:40ZJoseph L Block (Central Marine Logistics) crossed Straits of Mackinac westbound on 25 Oct 2025 22:11 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 26 Oct 2025 02:11:40 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:367082230:2025-10-23T23:35:40ZJoseph L Block (Central Marine Logistics) crossed Soo Locks (St. Marys River) upbound on 23 Oct 2025 19:35 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 23:35:40 GMThttps://freighterlog.com/log/mackinac/2025-10/freighterlog:passage:367082230:2025-10-23T14:14:55ZJoseph L Block (Central Marine Logistics) crossed Straits of Mackinac eastbound on 23 Oct 2025 10:14 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 23 Oct 2025 14:14:55 GMThttps://freighterlog.com/log/mackinac/2025-10/freighterlog:passage:367082230:2025-10-18T13:10:49ZJoseph L Block (Central Marine Logistics) crossed Straits of Mackinac westbound on 18 Oct 2025 09:10 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 18 Oct 2025 13:10:49 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:367082230:2025-10-16T02:32:46ZJoseph L Block (Central Marine Logistics) crossed Detroit River / Ambassador Bridge upbound on 15 Oct 2025 22:32 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 16 Oct 2025 02:32:46 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:367082230:2025-10-14T19:07:58ZJoseph L Block (Central Marine Logistics) crossed Detroit River / Ambassador Bridge downbound on 14 Oct 2025 15:07 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 14 Oct 2025 19:07:58 GMT