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

Algonova

Algoma Central · Tanker · 130 m. Range: Lakes and Seaway. 206 recorded passages across 5 chokepoints.

Last recorded passage

downbound at Welland Canal (Thorold)

21 Dec 2025, 14:44 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 Algonova is today. Her last recorded passage was 10 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 Algonova 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 Algonova 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. Algonova 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) ALGONOVA
MMSI 316013209
IMO IMO9378589
Call sign CFN5191
Length overall 130 m (427 ft)
Beam 20 m (66 ft)
AIS vessel type Tanker
Hull type Tanker
Operator Algoma Central
Flag Canada

Passage record

  • 206 Passages January 2024 – December 2025
  • 5 Chokepoints of 7 monitored
  • 8 Jan 2024 First in archive UTC date
  • 21 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 9 passages
Date Local time Chokepoint Direction
21 Dec 2025 14:44 EST Welland Canal (Thorold) downbound
20 Dec 2025 11:26 EST Detroit River / Ambassador Bridge downbound
19 Dec 2025 05:37 EST Port Huron / Blue Water Bridge downbound
18 Dec 2025 05:19 EST Straits of Mackinac eastbound
14 Dec 2025 04:14 EST Straits of Mackinac westbound
12 Dec 2025 08:45 EST Port Huron / Blue Water Bridge upbound
10 Dec 2025 16:25 EST Port Huron / Blue Water Bridge downbound
4 Dec 2025 06:00 EST Port Huron / Blue Water Bridge upbound
4 Dec 2025 00:40 EST Detroit River / Ambassador Bridge upbound
November 2025 9 passages
Date Local time Chokepoint Direction
29 Nov 2025 09:33 EST Welland Canal (Thorold) upbound
18 Nov 2025 00:45 EST Welland Canal (Thorold) downbound
16 Nov 2025 22:42 EST Detroit River / Ambassador Bridge downbound
15 Nov 2025 10:49 EST Port Huron / Blue Water Bridge downbound
10 Nov 2025 23:07 EST Port Huron / Blue Water Bridge upbound
9 Nov 2025 11:42 EST Port Huron / Blue Water Bridge downbound
7 Nov 2025 16:03 EST Port Huron / Blue Water Bridge upbound
5 Nov 2025 22:07 EST Detroit River / Ambassador Bridge upbound
2 Nov 2025 01:55 EDT Welland Canal (Thorold) upbound
October 2025 6 passages
Date Local time Chokepoint Direction
25 Oct 2025 04:48 EDT Welland Canal (Thorold) downbound
19 Oct 2025 22:10 EDT Welland Canal (Thorold) upbound
12 Oct 2025 05:06 EDT Welland Canal (Thorold) downbound
11 Oct 2025 07:19 EDT Detroit River / Ambassador Bridge downbound
6 Oct 2025 06:43 EDT Detroit River / Ambassador Bridge downbound
4 Oct 2025 08:06 EDT Detroit River / Ambassador Bridge upbound
September 2025 3 passages
Date Local time Chokepoint Direction
13 Sep 2025 10:18 EDT Detroit River / Ambassador Bridge downbound
3 Sep 2025 19:38 EDT Detroit River / Ambassador Bridge downbound
3 Sep 2025 12:39 EDT Port Huron / Blue Water Bridge downbound
August 2025 8 passages
Date Local time Chokepoint Direction
25 Aug 2025 16:53 EDT Port Huron / Blue Water Bridge upbound
25 Aug 2025 00:06 EDT Detroit River / Ambassador Bridge upbound
13 Aug 2025 17:56 EDT Detroit River / Ambassador Bridge downbound
11 Aug 2025 23:09 EDT Detroit River / Ambassador Bridge upbound
11 Aug 2025 00:24 EDT Welland Canal (Thorold) upbound
6 Aug 2025 02:44 EDT Welland Canal (Thorold) downbound
5 Aug 2025 02:57 EDT Detroit River / Ambassador Bridge downbound
3 Aug 2025 16:56 EDT Port Huron / Blue Water Bridge downbound
July 2025 7 passages
Date Local time Chokepoint Direction
31 Jul 2025 00:25 EDT Port Huron / Blue Water Bridge upbound
29 Jul 2025 12:01 EDT Detroit River / Ambassador Bridge upbound
14 Jul 2025 14:57 EDT Detroit River / Ambassador Bridge downbound
13 Jul 2025 15:15 EDT Port Huron / Blue Water Bridge downbound
10 Jul 2025 00:07 EDT Port Huron / Blue Water Bridge upbound
4 Jul 2025 22:32 EDT Detroit River / Ambassador Bridge upbound
2 Jul 2025 13:25 EDT Welland Canal (Thorold) upbound
June 2025 7 passages
Date Local time Chokepoint Direction
20 Jun 2025 11:33 EDT Welland Canal (Thorold) downbound
19 Jun 2025 08:07 EDT Detroit River / Ambassador Bridge downbound
17 Jun 2025 06:49 EDT Port Huron / Blue Water Bridge downbound
14 Jun 2025 12:36 EDT Port Huron / Blue Water Bridge upbound
11 Jun 2025 17:40 EDT Detroit River / Ambassador Bridge upbound
6 Jun 2025 15:49 EDT Detroit River / Ambassador Bridge downbound
4 Jun 2025 09:47 EDT Detroit River / Ambassador Bridge upbound
May 2025 8 passages
Date Local time Chokepoint Direction
21 May 2025 07:44 EDT Detroit River / Ambassador Bridge downbound
14 May 2025 13:58 EDT Port Huron / Blue Water Bridge downbound
13 May 2025 18:15 EDT Port Huron / Blue Water Bridge upbound
13 May 2025 14:20 EDT Port Huron / Blue Water Bridge downbound
9 May 2025 23:45 EDT Port Huron / Blue Water Bridge upbound
7 May 2025 03:57 EDT Port Huron / Blue Water Bridge downbound
3 May 2025 21:10 EDT Port Huron / Blue Water Bridge upbound
1 May 2025 11:08 EDT Detroit River / Ambassador Bridge upbound
April 2025 5 passages
Date Local time Chokepoint Direction
28 Apr 2025 10:25 EDT Welland Canal (Thorold) upbound
18 Apr 2025 18:33 EDT Welland Canal (Thorold) downbound
14 Apr 2025 14:32 EDT Welland Canal (Thorold) upbound
13 Apr 2025 01:26 EDT Welland Canal (Thorold) downbound
11 Apr 2025 14:15 EDT Welland Canal (Thorold) upbound
March 2025 9 passages
Date Local time Chokepoint Direction
22 Mar 2025 21:51 EDT Welland Canal (Thorold) downbound
17 Mar 2025 15:58 EDT Detroit River / Ambassador Bridge downbound
17 Mar 2025 05:27 EDT Port Huron / Blue Water Bridge downbound
12 Mar 2025 10:48 EDT Port Huron / Blue Water Bridge upbound
11 Mar 2025 10:48 EDT Port Huron / Blue Water Bridge downbound
8 Mar 2025 01:30 EST Port Huron / Blue Water Bridge upbound
7 Mar 2025 14:25 EST Port Huron / Blue Water Bridge downbound
3 Mar 2025 04:28 EST Port Huron / Blue Water Bridge upbound
2 Mar 2025 11:36 EST Port Huron / Blue Water Bridge downbound
February 2025 8 passages
Date Local time Chokepoint Direction
27 Feb 2025 07:58 EST Port Huron / Blue Water Bridge upbound
24 Feb 2025 16:10 EST Port Huron / Blue Water Bridge downbound
20 Feb 2025 04:21 EST Port Huron / Blue Water Bridge upbound
18 Feb 2025 12:22 EST Port Huron / Blue Water Bridge downbound
13 Feb 2025 07:30 EST Port Huron / Blue Water Bridge upbound
11 Feb 2025 08:28 EST Port Huron / Blue Water Bridge downbound
6 Feb 2025 07:00 EST Port Huron / Blue Water Bridge upbound
4 Feb 2025 16:07 EST Port Huron / Blue Water Bridge downbound
January 2025 11 passages
Date Local time Chokepoint Direction
30 Jan 2025 02:16 EST Port Huron / Blue Water Bridge upbound
28 Jan 2025 10:28 EST Port Huron / Blue Water Bridge downbound
27 Jan 2025 17:08 EST Port Huron / Blue Water Bridge upbound
26 Jan 2025 14:09 EST Detroit River / Ambassador Bridge upbound
21 Jan 2025 14:27 EST Detroit River / Ambassador Bridge downbound
21 Jan 2025 00:16 EST Port Huron / Blue Water Bridge downbound
16 Jan 2025 09:48 EST Port Huron / Blue Water Bridge upbound
15 Jan 2025 01:04 EST Port Huron / Blue Water Bridge downbound
8 Jan 2025 10:52 EST Port Huron / Blue Water Bridge upbound
6 Jan 2025 18:57 EST Detroit River / Ambassador Bridge upbound
2 Jan 2025 03:10 EST Welland Canal (Thorold) downbound

2024 season

December 2024 8 passages
Date Local time Chokepoint Direction
30 Dec 2024 15:06 EST Detroit River / Ambassador Bridge upbound
30 Dec 2024 06:57 EST Port Huron / Blue Water Bridge downbound
24 Dec 2024 14:52 EST Port Huron / Blue Water Bridge upbound
23 Dec 2024 03:09 EST Detroit River / Ambassador Bridge upbound
21 Dec 2024 20:29 EST Welland Canal (Thorold) upbound
8 Dec 2024 23:41 EST Welland Canal (Thorold) downbound
5 Dec 2024 09:48 EST Detroit River / Ambassador Bridge downbound
3 Dec 2024 06:54 EST Detroit River / Ambassador Bridge upbound
November 2024 6 passages
Date Local time Chokepoint Direction
14 Nov 2024 18:56 EST Welland Canal (Thorold) downbound
8 Nov 2024 11:38 EST Detroit River / Ambassador Bridge upbound
8 Nov 2024 05:04 EST Port Huron / Blue Water Bridge downbound
7 Nov 2024 19:31 EST Port Huron / Blue Water Bridge upbound
6 Nov 2024 12:00 EST Port Huron / Blue Water Bridge downbound
1 Nov 2024 08:30 EDT Port Huron / Blue Water Bridge upbound
October 2024 7 passages
Date Local time Chokepoint Direction
29 Oct 2024 23:15 EDT Detroit River / Ambassador Bridge upbound
26 Oct 2024 15:46 EDT Detroit River / Ambassador Bridge upbound
17 Oct 2024 12:21 EDT Port Huron / Blue Water Bridge downbound
16 Oct 2024 13:26 EDT Port Huron / Blue Water Bridge upbound
16 Oct 2024 07:38 EDT Detroit River / Ambassador Bridge upbound
10 Oct 2024 16:26 EDT Welland Canal (Thorold) upbound
1 Oct 2024 05:58 EDT Welland Canal (Thorold) downbound
September 2024 10 passages
Date Local time Chokepoint Direction
30 Sep 2024 08:22 EDT Detroit River / Ambassador Bridge downbound
26 Sep 2024 12:02 EDT Detroit River / Ambassador Bridge upbound
22 Sep 2024 18:24 EDT Detroit River / Ambassador Bridge downbound
21 Sep 2024 12:20 EDT Port Huron / Blue Water Bridge downbound
17 Sep 2024 16:27 EDT Port Huron / Blue Water Bridge upbound
15 Sep 2024 16:35 EDT Detroit River / Ambassador Bridge upbound
12 Sep 2024 04:39 EDT Detroit River / Ambassador Bridge downbound
10 Sep 2024 19:04 EDT Port Huron / Blue Water Bridge downbound
7 Sep 2024 04:48 EDT Port Huron / Blue Water Bridge upbound
4 Sep 2024 11:08 EDT Detroit River / Ambassador Bridge upbound
August 2024 5 passages
Date Local time Chokepoint Direction
21 Aug 2024 12:13 EDT Detroit River / Ambassador Bridge downbound
19 Aug 2024 17:50 EDT Port Huron / Blue Water Bridge downbound
14 Aug 2024 04:17 EDT Port Huron / Blue Water Bridge upbound
13 Aug 2024 10:53 EDT Detroit River / Ambassador Bridge upbound
10 Aug 2024 12:31 EDT Welland Canal (Thorold) upbound
July 2024 12 passages
Date Local time Chokepoint Direction
28 Jul 2024 18:27 EDT Welland Canal (Thorold) downbound
27 Jul 2024 22:02 EDT Detroit River / Ambassador Bridge upbound
26 Jul 2024 12:50 EDT Port Huron / Blue Water Bridge downbound
21 Jul 2024 09:07 EDT Port Huron / Blue Water Bridge upbound
18 Jul 2024 14:27 EDT Detroit River / Ambassador Bridge upbound
17 Jul 2024 01:17 EDT Welland Canal (Thorold) upbound
14 Jul 2024 16:45 EDT Welland Canal (Thorold) downbound
12 Jul 2024 14:09 EDT Detroit River / Ambassador Bridge downbound
12 Jul 2024 08:42 EDT Port Huron / Blue Water Bridge downbound
8 Jul 2024 04:23 EDT Port Huron / Blue Water Bridge upbound
6 Jul 2024 06:45 EDT Detroit River / Ambassador Bridge upbound
2 Jul 2024 03:49 EDT Detroit River / Ambassador Bridge downbound
June 2024 7 passages
Date Local time Chokepoint Direction
23 Jun 2024 17:11 EDT Detroit River / Ambassador Bridge upbound
22 Jun 2024 20:29 EDT Welland Canal (Thorold) upbound
13 Jun 2024 04:52 EDT Welland Canal (Thorold) downbound
12 Jun 2024 05:02 EDT Detroit River / Ambassador Bridge downbound
10 Jun 2024 18:04 EDT Detroit River / Ambassador Bridge upbound
9 Jun 2024 22:28 EDT Welland Canal (Thorold) upbound
2 Jun 2024 10:25 EDT Welland Canal (Thorold) downbound
May 2024 16 passages
Date Local time Chokepoint Direction
30 May 2024 02:25 EDT Detroit River / Ambassador Bridge downbound
25 May 2024 18:02 EDT Port Huron / Blue Water Bridge downbound
24 May 2024 19:24 EDT Soo Locks (St. Marys River) downbound
20 May 2024 10:02 EDT Soo Locks (St. Marys River) upbound
19 May 2024 08:17 EDT Port Huron / Blue Water Bridge upbound
18 May 2024 11:43 EDT Detroit River / Ambassador Bridge upbound
15 May 2024 22:08 EDT Detroit River / Ambassador Bridge downbound
15 May 2024 13:25 EDT Port Huron / Blue Water Bridge downbound
11 May 2024 12:40 EDT Port Huron / Blue Water Bridge upbound
11 May 2024 03:51 EDT Port Huron / Blue Water Bridge downbound
10 May 2024 17:14 EDT Port Huron / Blue Water Bridge upbound
9 May 2024 17:58 EDT Detroit River / Ambassador Bridge upbound
6 May 2024 20:11 EDT Detroit River / Ambassador Bridge downbound
6 May 2024 14:39 EDT Port Huron / Blue Water Bridge downbound
3 May 2024 07:58 EDT Port Huron / Blue Water Bridge upbound
2 May 2024 19:34 EDT Detroit River / Ambassador Bridge upbound
April 2024 12 passages
Date Local time Chokepoint Direction
28 Apr 2024 06:17 EDT Detroit River / Ambassador Bridge downbound
26 Apr 2024 09:50 EDT Detroit River / Ambassador Bridge upbound
23 Apr 2024 02:51 EDT Detroit River / Ambassador Bridge downbound
22 Apr 2024 21:40 EDT Port Huron / Blue Water Bridge downbound
22 Apr 2024 02:10 EDT Straits of Mackinac eastbound
18 Apr 2024 16:07 EDT Straits of Mackinac westbound
17 Apr 2024 20:56 EDT Port Huron / Blue Water Bridge upbound
10 Apr 2024 23:06 EDT Detroit River / Ambassador Bridge downbound
10 Apr 2024 15:44 EDT Port Huron / Blue Water Bridge downbound
7 Apr 2024 07:53 EDT Port Huron / Blue Water Bridge upbound
6 Apr 2024 12:38 EDT Detroit River / Ambassador Bridge upbound
5 Apr 2024 15:45 EDT Welland Canal (Thorold) upbound
March 2024 9 passages
Date Local time Chokepoint Direction
26 Mar 2024 05:43 EDT Welland Canal (Thorold) downbound
14 Mar 2024 13:26 EDT Detroit River / Ambassador Bridge downbound
14 Mar 2024 08:01 EDT Port Huron / Blue Water Bridge downbound
11 Mar 2024 23:02 EDT Port Huron / Blue Water Bridge upbound
11 Mar 2024 06:59 EDT Port Huron / Blue Water Bridge downbound
9 Mar 2024 12:32 EST Port Huron / Blue Water Bridge upbound
9 Mar 2024 08:08 EST Port Huron / Blue Water Bridge downbound
3 Mar 2024 07:42 EST Port Huron / Blue Water Bridge upbound
2 Mar 2024 10:59 EST Port Huron / Blue Water Bridge downbound
February 2024 13 passages
Date Local time Chokepoint Direction
27 Feb 2024 09:57 EST Port Huron / Blue Water Bridge upbound
26 Feb 2024 17:08 EST Port Huron / Blue Water Bridge downbound
25 Feb 2024 23:50 EST Straits of Mackinac eastbound
23 Feb 2024 07:47 EST Straits of Mackinac westbound
22 Feb 2024 14:31 EST Port Huron / Blue Water Bridge upbound
22 Feb 2024 09:00 EST Detroit River / Ambassador Bridge upbound
14 Feb 2024 11:18 EST Detroit River / Ambassador Bridge downbound
14 Feb 2024 04:08 EST Port Huron / Blue Water Bridge downbound
13 Feb 2024 03:22 EST Straits of Mackinac eastbound
10 Feb 2024 14:32 EST Straits of Mackinac westbound
9 Feb 2024 21:09 EST Port Huron / Blue Water Bridge upbound
9 Feb 2024 15:27 EST Detroit River / Ambassador Bridge upbound
5 Feb 2024 12:39 EST Detroit River / Ambassador Bridge downbound
January 2024 11 passages
Date Local time Chokepoint Direction
27 Jan 2024 16:44 EST Port Huron / Blue Water Bridge downbound
26 Jan 2024 23:01 EST Straits of Mackinac eastbound
23 Jan 2024 13:40 EST Straits of Mackinac westbound
22 Jan 2024 20:44 EST Port Huron / Blue Water Bridge upbound
22 Jan 2024 13:47 EST Detroit River / Ambassador Bridge upbound
16 Jan 2024 12:47 EST Detroit River / Ambassador Bridge downbound
15 Jan 2024 11:24 EST Port Huron / Blue Water Bridge downbound
12 Jan 2024 07:53 EST Straits of Mackinac eastbound
9 Jan 2024 16:51 EST Straits of Mackinac westbound
8 Jan 2024 23:53 EST Port Huron / Blue Water Bridge upbound
8 Jan 2024 18:06 EST Detroit River / Ambassador Bridge upbound