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

Fleet-matched vessel · Canada flag

Capt. Henry Jackman

Algoma Central · Gearless bulker · 226 m. Range: Lakes and Seaway. 233 recorded passages across 5 chokepoints.

Last recorded passage

downbound at Welland Canal (Thorold)

24 Dec 2025, 01:07 EST — ±15 min · see the December 2025 log

This is an archive, not a tracker. The passage record runs January 2024 to December 2025 and ends at 31 Dec 2025. The public AIS archive arrives in quarterly batches and currently runs nine months behind. Nothing on this page tells you where Capt. Henry Jackman is today. Her last recorded passage was 8 days before the archive ends, and that gap is about the record, not necessarily about the ship.

FreighterLog is the record, not the map. For where Capt. Henry Jackman is right now, see BoatNerd's live AIS map, which runs on their own receivers on the lakes, or VesselFinder.

Follow by RSS. Every crossing Capt. Henry Jackman makes goes into a feed of her own, added when the next batch of the public AIS archive is processed. It is a file on this domain: no account, no email address, and nothing that reports back. Capt. Henry Jackman feed · all chokepoints

Specification

Dimensions and identifiers as broadcast over AIS; AIS-reported figures are self-declared by the vessel and are not a registry of record.
Name (AIS) CAPT. HENRY JACKMAN
MMSI 316031354
IMO IMO9619294
Call sign VECA
Length overall 226 m (741 ft)
Beam 24 m (79 ft)
AIS vessel type Cargo
Hull type Gearless bulker
Operator Algoma Central
Flag Canada

Passage record

  • 233 Passages January 2024 – December 2025
  • 5 Chokepoints of 7 monitored
  • 4 Jan 2024 First in archive UTC date
  • 24 Dec 2025 Last in archive UTC date

Where she was recorded

Season passage log

Local time at each chokepoint · grouped by month (UTC buckets)

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

2025 season

December 2025 11 passages
Date Local time Chokepoint Direction
24 Dec 2025 01:07 EST Welland Canal (Thorold) downbound
23 Dec 2025 04:57 EST Detroit River / Ambassador Bridge downbound
22 Dec 2025 23:28 EST Port Huron / Blue Water Bridge downbound
22 Dec 2025 03:30 EST Soo Locks (St. Marys River) downbound
18 Dec 2025 01:26 EST Soo Locks (St. Marys River) upbound
17 Dec 2025 02:05 EST Port Huron / Blue Water Bridge upbound
16 Dec 2025 18:54 EST Detroit River / Ambassador Bridge upbound
15 Dec 2025 22:36 EST Welland Canal (Thorold) upbound
3 Dec 2025 09:38 EST Welland Canal (Thorold) downbound
2 Dec 2025 07:44 EST Port Huron / Blue Water Bridge downbound
1 Dec 2025 11:11 EST Soo Locks (St. Marys River) downbound
November 2025 12 passages
Date Local time Chokepoint Direction
26 Nov 2025 11:02 EST Soo Locks (St. Marys River) upbound
25 Nov 2025 10:03 EST Port Huron / Blue Water Bridge upbound
25 Nov 2025 03:18 EST Detroit River / Ambassador Bridge upbound
24 Nov 2025 06:03 EST Welland Canal (Thorold) upbound
13 Nov 2025 18:38 EST Welland Canal (Thorold) downbound
12 Nov 2025 13:33 EST Detroit River / Ambassador Bridge upbound
12 Nov 2025 03:51 EST Port Huron / Blue Water Bridge downbound
10 Nov 2025 15:55 EST Soo Locks (St. Marys River) downbound
6 Nov 2025 18:49 EST Soo Locks (St. Marys River) upbound
5 Nov 2025 18:00 EST Port Huron / Blue Water Bridge upbound
5 Nov 2025 10:19 EST Detroit River / Ambassador Bridge upbound
4 Nov 2025 10:38 EST Welland Canal (Thorold) upbound
October 2025 4 passages
Date Local time Chokepoint Direction
24 Oct 2025 15:43 EDT Welland Canal (Thorold) downbound
23 Oct 2025 19:41 EDT Detroit River / Ambassador Bridge downbound
21 Oct 2025 01:35 EDT Detroit River / Ambassador Bridge upbound
20 Oct 2025 06:27 EDT Welland Canal (Thorold) upbound
September 2025 8 passages
Date Local time Chokepoint Direction
25 Sep 2025 11:14 EDT Welland Canal (Thorold) downbound
24 Sep 2025 11:21 EDT Detroit River / Ambassador Bridge downbound
24 Sep 2025 05:59 EDT Port Huron / Blue Water Bridge downbound
23 Sep 2025 10:47 EDT Soo Locks (St. Marys River) downbound
20 Sep 2025 03:49 EDT Soo Locks (St. Marys River) upbound
19 Sep 2025 07:19 EDT Port Huron / Blue Water Bridge upbound
19 Sep 2025 01:38 EDT Detroit River / Ambassador Bridge upbound
18 Sep 2025 00:16 EDT Welland Canal (Thorold) upbound
August 2025 11 passages
Date Local time Chokepoint Direction
23 Aug 2025 11:17 EDT Welland Canal (Thorold) downbound
22 Aug 2025 13:33 EDT Detroit River / Ambassador Bridge downbound
22 Aug 2025 08:33 EDT Port Huron / Blue Water Bridge downbound
21 Aug 2025 12:12 EDT Soo Locks (St. Marys River) downbound
16 Aug 2025 19:42 EDT Soo Locks (St. Marys River) upbound
16 Aug 2025 00:02 EDT Port Huron / Blue Water Bridge upbound
15 Aug 2025 16:18 EDT Detroit River / Ambassador Bridge upbound
3 Aug 2025 08:44 EDT Welland Canal (Thorold) downbound
2 Aug 2025 12:13 EDT Detroit River / Ambassador Bridge downbound
2 Aug 2025 07:01 EDT Port Huron / Blue Water Bridge downbound
1 Aug 2025 10:52 EDT Soo Locks (St. Marys River) downbound
July 2025 11 passages
Date Local time Chokepoint Direction
29 Jul 2025 05:04 EDT Soo Locks (St. Marys River) upbound
28 Jul 2025 09:20 EDT Port Huron / Blue Water Bridge upbound
28 Jul 2025 01:42 EDT Detroit River / Ambassador Bridge upbound
12 Jul 2025 09:58 EDT Welland Canal (Thorold) downbound
11 Jul 2025 13:56 EDT Detroit River / Ambassador Bridge downbound
11 Jul 2025 08:37 EDT Port Huron / Blue Water Bridge downbound
10 Jul 2025 12:12 EDT Soo Locks (St. Marys River) downbound
7 Jul 2025 16:34 EDT Soo Locks (St. Marys River) upbound
6 Jul 2025 20:11 EDT Port Huron / Blue Water Bridge upbound
6 Jul 2025 14:55 EDT Detroit River / Ambassador Bridge upbound
5 Jul 2025 20:11 EDT Welland Canal (Thorold) upbound
June 2025 15 passages
Date Local time Chokepoint Direction
25 Jun 2025 11:58 EDT Welland Canal (Thorold) downbound
24 Jun 2025 15:46 EDT Detroit River / Ambassador Bridge downbound
24 Jun 2025 10:11 EDT Port Huron / Blue Water Bridge downbound
23 Jun 2025 14:23 EDT Soo Locks (St. Marys River) downbound
19 Jun 2025 04:03 EDT Soo Locks (St. Marys River) upbound
18 Jun 2025 04:15 EDT Port Huron / Blue Water Bridge upbound
17 Jun 2025 23:42 EDT Detroit River / Ambassador Bridge upbound
17 Jun 2025 05:33 EDT Welland Canal (Thorold) upbound
7 Jun 2025 08:36 EDT Welland Canal (Thorold) downbound
6 Jun 2025 08:56 EDT Detroit River / Ambassador Bridge downbound
6 Jun 2025 03:55 EDT Port Huron / Blue Water Bridge downbound
5 Jun 2025 08:05 EDT Soo Locks (St. Marys River) downbound
2 Jun 2025 04:44 EDT Soo Locks (St. Marys River) upbound
1 Jun 2025 09:09 EDT Port Huron / Blue Water Bridge upbound
1 Jun 2025 00:22 EDT Detroit River / Ambassador Bridge upbound
May 2025 13 passages
Date Local time Chokepoint Direction
31 May 2025 04:34 EDT Welland Canal (Thorold) upbound
20 May 2025 10:27 EDT Welland Canal (Thorold) downbound
19 May 2025 12:16 EDT Detroit River / Ambassador Bridge downbound
19 May 2025 06:41 EDT Port Huron / Blue Water Bridge downbound
18 May 2025 11:23 EDT Soo Locks (St. Marys River) downbound
15 May 2025 08:13 EDT Soo Locks (St. Marys River) upbound
14 May 2025 13:17 EDT Port Huron / Blue Water Bridge upbound
14 May 2025 07:58 EDT Detroit River / Ambassador Bridge upbound
13 May 2025 10:38 EDT Welland Canal (Thorold) upbound
2 May 2025 20:10 EDT Welland Canal (Thorold) downbound
1 May 2025 23:52 EDT Detroit River / Ambassador Bridge downbound
1 May 2025 18:55 EDT Port Huron / Blue Water Bridge downbound
30 Apr 2025 22:59 EDT Soo Locks (St. Marys River) downbound
April 2025 12 passages
Date Local time Chokepoint Direction
27 Apr 2025 06:52 EDT Soo Locks (St. Marys River) upbound
26 Apr 2025 09:05 EDT Port Huron / Blue Water Bridge upbound
26 Apr 2025 01:15 EDT Detroit River / Ambassador Bridge upbound
25 Apr 2025 05:15 EDT Welland Canal (Thorold) upbound
18 Apr 2025 09:52 EDT Welland Canal (Thorold) downbound
17 Apr 2025 13:30 EDT Detroit River / Ambassador Bridge downbound
17 Apr 2025 07:59 EDT Port Huron / Blue Water Bridge downbound
16 Apr 2025 12:46 EDT Soo Locks (St. Marys River) downbound
12 Apr 2025 06:25 EDT Soo Locks (St. Marys River) upbound
11 Apr 2025 11:01 EDT Port Huron / Blue Water Bridge upbound
11 Apr 2025 05:48 EDT Detroit River / Ambassador Bridge upbound
10 Apr 2025 10:50 EDT Welland Canal (Thorold) upbound
March 2025 9 passages
Date Local time Chokepoint Direction
28 Mar 2025 12:07 EDT Welland Canal (Thorold) downbound
27 Mar 2025 15:04 EDT Detroit River / Ambassador Bridge downbound
27 Mar 2025 09:43 EDT Port Huron / Blue Water Bridge downbound
26 Mar 2025 14:42 EDT Soo Locks (St. Marys River) downbound
21 Mar 2025 15:48 EDT Soo Locks (St. Marys River) upbound
20 Mar 2025 17:00 EDT Port Huron / Blue Water Bridge upbound
12 Mar 2025 21:25 EDT Detroit River / Ambassador Bridge upbound
6 Mar 2025 15:05 EST Detroit River / Ambassador Bridge downbound
6 Mar 2025 07:42 EST Port Huron / Blue Water Bridge downbound
January 2025 5 passages
Date Local time Chokepoint Direction
11 Jan 2025 13:18 EST Soo Locks (St. Marys River) downbound
8 Jan 2025 16:46 EST Soo Locks (St. Marys River) upbound
7 Jan 2025 15:35 EST Port Huron / Blue Water Bridge upbound
7 Jan 2025 10:22 EST Detroit River / Ambassador Bridge upbound
6 Jan 2025 04:33 EST Welland Canal (Thorold) upbound

2024 season

December 2024 13 passages
Date Local time Chokepoint Direction
27 Dec 2024 07:20 EST Welland Canal (Thorold) downbound
23 Dec 2024 02:44 EST Soo Locks (St. Marys River) upbound
22 Dec 2024 06:23 EST Port Huron / Blue Water Bridge upbound
22 Dec 2024 01:16 EST Detroit River / Ambassador Bridge upbound
20 Dec 2024 23:50 EST Welland Canal (Thorold) upbound
11 Dec 2024 03:07 EST Welland Canal (Thorold) downbound
10 Dec 2024 05:22 EST Detroit River / Ambassador Bridge downbound
9 Dec 2024 23:44 EST Port Huron / Blue Water Bridge downbound
8 Dec 2024 22:35 EST Soo Locks (St. Marys River) downbound
4 Dec 2024 12:42 EST Soo Locks (St. Marys River) upbound
3 Dec 2024 11:08 EST Port Huron / Blue Water Bridge upbound
2 Dec 2024 19:51 EST Detroit River / Ambassador Bridge upbound
1 Dec 2024 22:48 EST Welland Canal (Thorold) upbound
November 2024 7 passages
Date Local time Chokepoint Direction
17 Nov 2024 15:48 EST Welland Canal (Thorold) downbound
16 Nov 2024 17:11 EST Detroit River / Ambassador Bridge downbound
16 Nov 2024 11:46 EST Port Huron / Blue Water Bridge downbound
15 Nov 2024 16:11 EST Soo Locks (St. Marys River) downbound
12 Nov 2024 15:52 EST Soo Locks (St. Marys River) upbound
10 Nov 2024 22:07 EST Detroit River / Ambassador Bridge upbound
10 Nov 2024 01:50 EST Welland Canal (Thorold) upbound
October 2024 8 passages
Date Local time Chokepoint Direction
27 Oct 2024 13:28 EDT Welland Canal (Thorold) downbound
26 Oct 2024 14:29 EDT Detroit River / Ambassador Bridge downbound
26 Oct 2024 08:45 EDT Port Huron / Blue Water Bridge downbound
25 Oct 2024 14:08 EDT Soo Locks (St. Marys River) downbound
22 Oct 2024 04:07 EDT Soo Locks (St. Marys River) upbound
21 Oct 2024 08:12 EDT Port Huron / Blue Water Bridge upbound
21 Oct 2024 02:43 EDT Detroit River / Ambassador Bridge upbound
20 Oct 2024 07:23 EDT Welland Canal (Thorold) upbound
September 2024 26 passages
Date Local time Chokepoint Direction
30 Sep 2024 15:35 EDT Welland Canal (Thorold) downbound
29 Sep 2024 14:27 EDT Detroit River / Ambassador Bridge downbound
29 Sep 2024 09:04 EDT Port Huron / Blue Water Bridge downbound
28 Sep 2024 13:29 EDT Soo Locks (St. Marys River) downbound
24 Sep 2024 16:13 EDT Soo Locks (St. Marys River) upbound
23 Sep 2024 19:20 EDT Port Huron / Blue Water Bridge upbound
23 Sep 2024 13:42 EDT Detroit River / Ambassador Bridge upbound
22 Sep 2024 18:31 EDT Welland Canal (Thorold) upbound
20 Sep 2024 07:33 EDT Welland Canal (Thorold) downbound
19 Sep 2024 04:15 EDT Detroit River / Ambassador Bridge downbound
18 Sep 2024 19:47 EDT Port Huron / Blue Water Bridge downbound
17 Sep 2024 23:26 EDT Soo Locks (St. Marys River) downbound
16 Sep 2024 17:03 CDT Superior Entry outbound
16 Sep 2024 06:50 CDT Superior Entry inbound
14 Sep 2024 20:52 EDT Soo Locks (St. Marys River) upbound
14 Sep 2024 00:12 EDT Port Huron / Blue Water Bridge upbound
13 Sep 2024 18:37 EDT Detroit River / Ambassador Bridge upbound
13 Sep 2024 00:16 EDT Welland Canal (Thorold) upbound
10 Sep 2024 13:56 EDT Welland Canal (Thorold) downbound
9 Sep 2024 16:04 EDT Detroit River / Ambassador Bridge downbound
9 Sep 2024 10:29 EDT Port Huron / Blue Water Bridge downbound
8 Sep 2024 14:44 EDT Soo Locks (St. Marys River) downbound
5 Sep 2024 16:52 EDT Soo Locks (St. Marys River) upbound
4 Sep 2024 21:20 EDT Port Huron / Blue Water Bridge upbound
4 Sep 2024 15:55 EDT Detroit River / Ambassador Bridge upbound
3 Sep 2024 21:03 EDT Welland Canal (Thorold) upbound
August 2024 11 passages
Date Local time Chokepoint Direction
19 Aug 2024 11:58 EDT Welland Canal (Thorold) downbound
18 Aug 2024 14:17 EDT Detroit River / Ambassador Bridge downbound
18 Aug 2024 09:08 EDT Port Huron / Blue Water Bridge downbound
17 Aug 2024 13:45 EDT Soo Locks (St. Marys River) downbound
14 Aug 2024 15:39 EDT Soo Locks (St. Marys River) upbound
13 Aug 2024 18:56 EDT Port Huron / Blue Water Bridge upbound
13 Aug 2024 13:48 EDT Detroit River / Ambassador Bridge upbound
12 Aug 2024 18:41 EDT Welland Canal (Thorold) upbound
2 Aug 2024 14:17 EDT Welland Canal (Thorold) downbound
1 Aug 2024 16:32 EDT Detroit River / Ambassador Bridge downbound
1 Aug 2024 11:19 EDT Port Huron / Blue Water Bridge downbound
July 2024 26 passages
Date Local time Chokepoint Direction
31 Jul 2024 15:50 EDT Soo Locks (St. Marys River) downbound
27 Jul 2024 19:54 EDT Soo Locks (St. Marys River) upbound
26 Jul 2024 23:48 EDT Port Huron / Blue Water Bridge upbound
26 Jul 2024 18:36 EDT Detroit River / Ambassador Bridge upbound
26 Jul 2024 00:10 EDT Welland Canal (Thorold) upbound
20 Jul 2024 14:13 EDT Welland Canal (Thorold) downbound
19 Jul 2024 15:28 EDT Detroit River / Ambassador Bridge downbound
19 Jul 2024 10:04 EDT Port Huron / Blue Water Bridge downbound
18 Jul 2024 14:17 EDT Soo Locks (St. Marys River) downbound
15 Jul 2024 18:15 EDT Soo Locks (St. Marys River) upbound
14 Jul 2024 22:57 EDT Port Huron / Blue Water Bridge upbound
14 Jul 2024 17:54 EDT Detroit River / Ambassador Bridge upbound
13 Jul 2024 23:16 EDT Welland Canal (Thorold) upbound
11 Jul 2024 06:32 EDT Welland Canal (Thorold) downbound
10 Jul 2024 08:58 EDT Detroit River / Ambassador Bridge downbound
10 Jul 2024 03:37 EDT Port Huron / Blue Water Bridge downbound
9 Jul 2024 07:59 EDT Soo Locks (St. Marys River) downbound
8 Jul 2024 02:56 CDT Superior Entry outbound
7 Jul 2024 19:04 CDT Superior Entry inbound
6 Jul 2024 17:51 EDT Soo Locks (St. Marys River) upbound
5 Jul 2024 16:43 EDT Port Huron / Blue Water Bridge upbound
5 Jul 2024 06:40 EDT Detroit River / Ambassador Bridge upbound
4 Jul 2024 09:00 EDT Welland Canal (Thorold) upbound
2 Jul 2024 02:48 EDT Welland Canal (Thorold) downbound
1 Jul 2024 06:30 EDT Detroit River / Ambassador Bridge downbound
1 Jul 2024 01:06 EDT Port Huron / Blue Water Bridge downbound
June 2024 14 passages
Date Local time Chokepoint Direction
30 Jun 2024 05:29 EDT Soo Locks (St. Marys River) downbound
28 Jun 2024 21:22 CDT Superior Entry outbound
28 Jun 2024 14:19 CDT Superior Entry inbound
27 Jun 2024 02:10 EDT Soo Locks (St. Marys River) upbound
26 Jun 2024 04:23 EDT Port Huron / Blue Water Bridge upbound
25 Jun 2024 23:30 EDT Detroit River / Ambassador Bridge upbound
25 Jun 2024 04:45 EDT Welland Canal (Thorold) upbound
13 Jun 2024 10:46 EDT Welland Canal (Thorold) downbound
12 Jun 2024 12:52 EDT Detroit River / Ambassador Bridge downbound
12 Jun 2024 07:26 EDT Port Huron / Blue Water Bridge downbound
11 Jun 2024 11:54 EDT Soo Locks (St. Marys River) downbound
8 Jun 2024 00:05 EDT Soo Locks (St. Marys River) upbound
7 Jun 2024 04:05 EDT Port Huron / Blue Water Bridge upbound
6 Jun 2024 22:52 EDT Detroit River / Ambassador Bridge upbound
April 2024 10 passages
Date Local time Chokepoint Direction
30 Apr 2024 09:00 EDT Welland Canal (Thorold) upbound
23 Apr 2024 12:17 EDT Welland Canal (Thorold) downbound
22 Apr 2024 16:40 EDT Detroit River / Ambassador Bridge downbound
22 Apr 2024 11:17 EDT Port Huron / Blue Water Bridge downbound
21 Apr 2024 15:36 EDT Soo Locks (St. Marys River) downbound
17 Apr 2024 05:57 EDT Soo Locks (St. Marys River) upbound
16 Apr 2024 10:13 EDT Port Huron / Blue Water Bridge upbound
16 Apr 2024 04:00 EDT Detroit River / Ambassador Bridge upbound
15 Apr 2024 07:45 EDT Welland Canal (Thorold) upbound
1 Apr 2024 16:07 EDT Welland Canal (Thorold) downbound
March 2024 6 passages
Date Local time Chokepoint Direction
31 Mar 2024 19:37 EDT Detroit River / Ambassador Bridge downbound
31 Mar 2024 14:20 EDT Port Huron / Blue Water Bridge downbound
30 Mar 2024 17:31 EDT Soo Locks (St. Marys River) downbound
25 Mar 2024 18:42 EDT Soo Locks (St. Marys River) upbound
24 Mar 2024 22:55 EDT Port Huron / Blue Water Bridge upbound
24 Mar 2024 11:54 EDT Detroit River / Ambassador Bridge upbound
January 2024 1 passage
Date Local time Chokepoint Direction
4 Jan 2024 12:32 EST Welland Canal (Thorold) upbound