Recorded chokepoint passages for Walter J McCarthy Jr, 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/walter-j-mccarthy-jr/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:366906610:2025-12-28T16:02:44ZWalter J McCarthy Jr (American Steamship Company) crossed Detroit River / Ambassador Bridge downbound on 28 Dec 2025 11:02 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 16:02:44 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:366906610:2025-12-28T09:42:16ZWalter J McCarthy Jr (American Steamship Company) crossed Port Huron / Blue Water Bridge downbound on 28 Dec 2025 04:42 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 28 Dec 2025 09:42:16 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:366906610:2025-12-27T10:50:27ZWalter J McCarthy Jr (American Steamship Company) crossed Soo Locks (St. Marys River) downbound on 27 Dec 2025 05:50 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 27 Dec 2025 10:50:27 GMThttps://freighterlog.com/log/duluth-canal/2025-12/freighterlog:passage:366906610:2025-12-26T01:36:45ZWalter J McCarthy Jr (American Steamship Company) crossed Duluth Ship Canal outbound on 25 Dec 2025 19:36 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 01:36:45 GMThttps://freighterlog.com/log/superior-entry/2025-12/freighterlog:passage:366906610:2025-12-24T00:20:17ZWalter J McCarthy Jr (American Steamship Company) crossed Superior Entry inbound on 23 Dec 2025 18:20 CST. 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 00:20:17 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:366906610:2025-12-22T18:55:05ZWalter J McCarthy Jr (American Steamship Company) crossed Soo Locks (St. Marys River) upbound on 22 Dec 2025 13:55 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 22 Dec 2025 18:55:05 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:366906610:2025-12-22T07:03:56ZWalter J McCarthy Jr (American Steamship Company) crossed Straits of Mackinac eastbound on 22 Dec 2025 02:03 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 22 Dec 2025 07:03:56 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:366906610:2025-12-18T15:01:50ZWalter J McCarthy Jr (American Steamship Company) crossed Straits of Mackinac westbound on 18 Dec 2025 10:01 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, 18 Dec 2025 15:01:50 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:366906610:2025-12-18T05:32:42ZWalter J McCarthy Jr (American Steamship Company) crossed Soo Locks (St. Marys River) downbound on 18 Dec 2025 00:32 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, 18 Dec 2025 05:32:42 GMThttps://freighterlog.com/log/superior-entry/2025-12/freighterlog:passage:366906610:2025-12-16T16:43:19ZWalter J McCarthy Jr (American Steamship Company) crossed Superior Entry outbound on 16 Dec 2025 10:43 CST. 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 16:43:19 GMThttps://freighterlog.com/log/superior-entry/2025-12/freighterlog:passage:366906610:2025-12-15T22:38:59ZWalter J McCarthy Jr (American Steamship Company) crossed Superior Entry inbound on 15 Dec 2025 16:38 CST. 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 22:38:59 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:366906610:2025-12-13T03:08:50ZWalter J McCarthy Jr (American Steamship Company) crossed Soo Locks (St. Marys River) upbound on 12 Dec 2025 22:08 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 13 Dec 2025 03:08:50 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:366906610:2025-12-12T17:33:46ZWalter J McCarthy Jr (American Steamship Company) crossed Straits of Mackinac eastbound on 12 Dec 2025 12:33 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 17:33:46 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:366906610:2025-12-08T04:31:02ZWalter J McCarthy Jr (American Steamship Company) crossed Straits of Mackinac westbound on 7 Dec 2025 23:31 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 04:31:02 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:366906610:2025-12-07T19:15:50ZWalter J McCarthy Jr (American Steamship Company) crossed Soo Locks (St. Marys River) downbound on 7 Dec 2025 14:15 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, 07 Dec 2025 19:15:50 GMThttps://freighterlog.com/log/superior-entry/2025-12/freighterlog:passage:366906610:2025-12-03T15:12:43ZWalter J McCarthy Jr (American Steamship Company) crossed Superior Entry inbound on 3 Dec 2025 09:12 CST. 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 15:12:43 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:366906610:2025-12-01T23:49:01ZWalter J McCarthy Jr (American Steamship Company) crossed Soo Locks (St. Marys River) upbound on 1 Dec 2025 18:49 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 01 Dec 2025 23:49:01 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:366906610:2025-11-30T22:44:04ZWalter J McCarthy Jr (American Steamship Company) crossed Port Huron / Blue Water Bridge upbound on 30 Nov 2025 17:44 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 30 Nov 2025 22:44:04 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:366906610:2025-11-30T15:57:36ZWalter J McCarthy Jr (American Steamship Company) crossed Detroit River / Ambassador Bridge upbound on 30 Nov 2025 10:57 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 30 Nov 2025 15:57:36 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:366906610:2025-11-29T02:43:05ZWalter J McCarthy Jr (American Steamship Company) crossed Detroit River / Ambassador Bridge downbound on 28 Nov 2025 21:43 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, 29 Nov 2025 02:43:05 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:366906610:2025-11-28T20:31:52ZWalter J McCarthy Jr (American Steamship Company) crossed Port Huron / Blue Water Bridge downbound on 28 Nov 2025 15:31 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, 28 Nov 2025 20:31:52 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366906610:2025-11-25T14:04:14ZWalter J McCarthy Jr (American Steamship Company) crossed Soo Locks (St. Marys River) downbound on 25 Nov 2025 09:04 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 14:04:14 GMThttps://freighterlog.com/log/duluth-canal/2025-11/freighterlog:passage:366906610:2025-11-24T05:40:17ZWalter J McCarthy Jr (American Steamship Company) crossed Duluth Ship Canal outbound on 23 Nov 2025 23:40 CST. 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 05:40:17 GMThttps://freighterlog.com/log/duluth-canal/2025-11/freighterlog:passage:366906610:2025-11-23T11:35:05ZWalter J McCarthy Jr (American Steamship Company) crossed Duluth Ship Canal inbound on 23 Nov 2025 05:35 CST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 23 Nov 2025 11:35:05 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366906610:2025-11-22T05:37:50ZWalter J McCarthy Jr (American Steamship Company) crossed Soo Locks (St. Marys River) upbound on 22 Nov 2025 00:37 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, 22 Nov 2025 05:37:50 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:366906610:2025-11-21T05:50:43ZWalter J McCarthy Jr (American Steamship Company) crossed Port Huron / Blue Water Bridge upbound on 21 Nov 2025 00:50 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, 21 Nov 2025 05:50:43 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:366906610:2025-11-20T22:57:59ZWalter J McCarthy Jr (American Steamship Company) crossed Detroit River / Ambassador Bridge upbound on 20 Nov 2025 17:57 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, 20 Nov 2025 22:57:59 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:366906610:2025-11-19T08:55:55ZWalter J McCarthy Jr (American Steamship Company) crossed Detroit River / Ambassador Bridge downbound on 19 Nov 2025 03:55 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, 19 Nov 2025 08:55:55 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:366906610:2025-11-19T02:34:25ZWalter J McCarthy Jr (American Steamship Company) crossed Port Huron / Blue Water Bridge downbound on 18 Nov 2025 21:34 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, 19 Nov 2025 02:34:25 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366906610:2025-11-18T04:25:49ZWalter J McCarthy Jr (American Steamship Company) crossed Soo Locks (St. Marys River) downbound on 17 Nov 2025 23:25 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, 18 Nov 2025 04:25:49 GMThttps://freighterlog.com/log/duluth-canal/2025-11/freighterlog:passage:366906610:2025-11-16T18:33:11ZWalter J McCarthy Jr (American Steamship Company) crossed Duluth Ship Canal outbound on 16 Nov 2025 12:33 CST. 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 18:33:11 GMThttps://freighterlog.com/log/duluth-canal/2025-11/freighterlog:passage:366906610:2025-11-15T17:44:37ZWalter J McCarthy Jr (American Steamship Company) crossed Duluth Ship Canal inbound on 15 Nov 2025 11:44 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, 15 Nov 2025 17:44:37 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366906610:2025-11-14T13:26:20ZWalter J McCarthy Jr (American Steamship Company) crossed Soo Locks (St. Marys River) upbound on 14 Nov 2025 08:26 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, 14 Nov 2025 13:26:20 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:366906610:2025-11-14T04:10:26ZWalter J McCarthy Jr (American Steamship Company) crossed Straits of Mackinac eastbound on 13 Nov 2025 23:10 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 14 Nov 2025 04:10:26 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:366906610:2025-11-11T01:13:03ZWalter J McCarthy Jr (American Steamship Company) crossed Straits of Mackinac westbound on 10 Nov 2025 20:13 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 11 Nov 2025 01:13:03 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366906610:2025-11-10T16:43:55ZWalter J McCarthy Jr (American Steamship Company) crossed Soo Locks (St. Marys River) downbound on 10 Nov 2025 11:43 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, 10 Nov 2025 16:43:55 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366906610:2025-11-06T21:55:21ZWalter J McCarthy Jr (American Steamship Company) crossed Soo Locks (St. Marys River) upbound on 6 Nov 2025 16:55 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 06 Nov 2025 21:55:21 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:366906610:2025-11-05T21:57:00ZWalter J McCarthy Jr (American Steamship Company) crossed Port Huron / Blue Water Bridge upbound on 5 Nov 2025 16:57 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 05 Nov 2025 21:57:00 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:366906610:2025-11-05T15:11:11ZWalter J McCarthy Jr (American Steamship Company) crossed Detroit River / Ambassador Bridge upbound on 5 Nov 2025 10:11 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 05 Nov 2025 15:11:11 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:366906610:2025-11-03T07:06:33ZWalter J McCarthy Jr (American Steamship Company) crossed Detroit River / Ambassador Bridge downbound on 3 Nov 2025 02:06 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 03 Nov 2025 07:06:33 GMT