FreighterLog The record of Great Lakes shipping

Archive: January 2024 to December 2025, 28,207 passages. Seaway transits checked hourly. Last checked 2026-09-23 18:00 UTC — 14:00 EDT. NOAA publishes in quarterly batches, and the archive currently runs nine months behind.

Archive to December 2025 · Seaway checked 2026-09-23 18:00 UTC — 14:00 EDT

Passage log

Duluth Ship Canal, July 2025

90 recorded passages by 28 distinct vessels, in the order they happened. Times are shown in Central time and are accurate to roughly ±15 minutes.

The log

Every recorded crossing of Duluth Ship Canal in July 2025, oldest first.
Date Local time Vessel Direction
30 Jun 2025 19:21 CDT Viking Polaris outbound
30 Jun 2025 20:10 CDT American Mariner outbound
30 Jun 2025 23:07 CDT John J Boland inbound
1 Jul 2025 09:23 CDT John J Boland outbound
1 Jul 2025 11:17 CDT Burns Harbor outbound
1 Jul 2025 14:05 CDT Algoma Buffalo outbound
2 Jul 2025 11:23 CDT Samuel de Champlain inbound
2 Jul 2025 21:11 CDT Algoma Intrepid inbound
2 Jul 2025 21:40 CDT American Spirit inbound
3 Jul 2025 16:52 CDT H Lee White inbound
4 Jul 2025 07:51 CDT H Lee White outbound
4 Jul 2025 12:09 CDT American Spirit outbound
4 Jul 2025 23:13 CDT Paul R Tregurtha outbound
5 Jul 2025 06:54 CDT Viking Octantis inbound
5 Jul 2025 07:24 CDT Algoma Intrepid outbound
5 Jul 2025 10:17 CDT Mesabi Miner inbound
5 Jul 2025 15:28 CDT American Century inbound
5 Jul 2025 17:25 CDT Viking Octantis outbound
6 Jul 2025 04:38 CDT Mesabi Miner outbound
6 Jul 2025 17:21 CDT Algoma Conveyor inbound
6 Jul 2025 21:49 CDT Algoma Conveyor outbound
8 Jul 2025 04:46 CDT Indiana Harbor inbound
8 Jul 2025 10:57 CDT American Mariner inbound
8 Jul 2025 11:30 CDT John G Munson inbound
8 Jul 2025 14:49 CDT American Century outbound
8 Jul 2025 16:38 CDT Indiana Harbor outbound
9 Jul 2025 00:13 CDT American Mariner outbound
9 Jul 2025 04:53 CDT John G Munson outbound
10 Jul 2025 18:21 CDT Paul R Tregurtha inbound
11 Jul 2025 03:09 CDT American Spirit inbound
11 Jul 2025 04:32 CDT Paul R Tregurtha outbound
12 Jul 2025 03:28 CDT American Spirit outbound
12 Jul 2025 08:47 CDT Joyce L Vanenkevort inbound
12 Jul 2025 11:19 CDT James R Barker inbound
13 Jul 2025 04:29 CDT James R Barker outbound
13 Jul 2025 12:30 CDT H Lee White inbound
13 Jul 2025 19:57 CDT American Integrity inbound
13 Jul 2025 22:38 CDT Asian Spirit inbound
14 Jul 2025 05:39 CDT H Lee White outbound
14 Jul 2025 11:32 CDT American Century inbound
14 Jul 2025 14:36 CDT American Integrity outbound
15 Jul 2025 00:44 CDT American Century outbound
15 Jul 2025 08:17 CDT Great Republic inbound
15 Jul 2025 19:27 CDT John G Munson inbound
16 Jul 2025 03:34 CDT Algoma Buffalo inbound
16 Jul 2025 03:43 CDT Great Republic outbound
16 Jul 2025 07:19 CDT Algoma Buffalo outbound
16 Jul 2025 08:31 CDT John G Munson outbound
16 Jul 2025 19:23 CDT Asian Spirit outbound
16 Jul 2025 21:42 CDT Burns Harbor inbound
17 Jul 2025 08:02 CDT Paul R Tregurtha inbound
17 Jul 2025 15:26 CDT Paul R Tregurtha outbound
17 Jul 2025 19:15 CDT Burns Harbor outbound
19 Jul 2025 04:58 CDT James R Barker inbound
19 Jul 2025 05:04 CDT American Spirit inbound
19 Jul 2025 12:57 CDT Hudsongracht inbound
19 Jul 2025 12:59 CDT James R Barker outbound
19 Jul 2025 22:41 CDT American Spirit outbound
20 Jul 2025 03:31 CDT American Century inbound
20 Jul 2025 16:12 CDT American Century outbound
21 Jul 2025 04:31 CDT American Integrity inbound
21 Jul 2025 15:59 CDT Hudsongracht outbound
22 Jul 2025 02:30 CDT American Integrity outbound
22 Jul 2025 17:00 CDT Dirk S. Vanenkevort inbound
22 Jul 2025 19:48 CDT Edwin H Gott inbound
23 Jul 2025 09:15 CDT Dirk S. Vanenkevort outbound
24 Jul 2025 01:01 CDT Edwin H Gott outbound
24 Jul 2025 08:53 CDT John J Boland inbound
24 Jul 2025 23:50 CDT James R Barker inbound
25 Jul 2025 08:43 CDT John G Munson inbound
25 Jul 2025 18:56 CDT American Century inbound
25 Jul 2025 19:29 CDT John G Munson outbound
25 Jul 2025 23:35 CDT John J Boland outbound
26 Jul 2025 06:05 CDT James R Barker outbound
27 Jul 2025 10:35 CDT Algoma Bear inbound
27 Jul 2025 13:57 CDT Walter J McCarthy Jr inbound
27 Jul 2025 14:11 CDT Algoma Bear outbound
27 Jul 2025 14:58 CDT American Century outbound
28 Jul 2025 07:01 CDT Polsteam Dabie inbound
28 Jul 2025 11:51 CDT Indiana Harbor inbound
28 Jul 2025 23:51 CDT Indiana Harbor outbound
29 Jul 2025 06:05 CDT Walter J McCarthy Jr outbound
29 Jul 2025 14:46 CDT Polsteam Dabie outbound
29 Jul 2025 15:09 CDT Paul R Tregurtha inbound
29 Jul 2025 18:20 CDT Great Republic inbound
29 Jul 2025 22:27 CDT Paul R Tregurtha outbound
30 Jul 2025 03:10 CDT Great Republic outbound
30 Jul 2025 11:49 CDT H Lee White inbound
30 Jul 2025 21:21 CDT H Lee White outbound
31 Jul 2025 17:03 CDT Algoma Compass inbound

Times are interpolated from AIS track samples, good to about fifteen minutes, and shown in Central time. A passage is a track crossing our gate line, not an official lock record.