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

Observed lakes vessel

American Courage

No fleet affiliation on record · Cargo · 194 m. Range: Lakes only. 240 recorded passages across 4 chokepoints.

Last recorded passage

downbound at Detroit River / Ambassador Bridge

3 Dec 2025, 21:16 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 American Courage is today. Her last recorded passage was 28 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 American Courage 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 American Courage 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. American Courage 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) AMERICAN COURAGE
MMSI 367121040
IMO IMO7634226
Call sign WDD2879
Length overall 194 m (636 ft)
Beam 21 m (69 ft)
AIS vessel type Cargo
Hull type
Operator No fleet match (salty, unaffiliated hull, or an AIS spelling this roster has not yet folded in)
Flag

Passage record

  • 240 Passages January 2024 – December 2025
  • 4 Chokepoints of 7 monitored
  • 25 Mar 2024 First in archive UTC date
  • 4 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 2 passages
Date Local time Chokepoint Direction
3 Dec 2025 21:16 EST Detroit River / Ambassador Bridge downbound
3 Dec 2025 15:34 EST Port Huron / Blue Water Bridge downbound
November 2025 14 passages
Date Local time Chokepoint Direction
25 Nov 2025 23:56 EST Port Huron / Blue Water Bridge upbound
25 Nov 2025 18:26 EST Detroit River / Ambassador Bridge upbound
19 Nov 2025 15:08 EST Detroit River / Ambassador Bridge downbound
19 Nov 2025 10:20 EST Port Huron / Blue Water Bridge downbound
15 Nov 2025 08:06 EST Port Huron / Blue Water Bridge upbound
14 Nov 2025 19:51 EST Port Huron / Blue Water Bridge downbound
13 Nov 2025 02:44 EST Port Huron / Blue Water Bridge upbound
12 Nov 2025 18:26 EST Detroit River / Ambassador Bridge upbound
7 Nov 2025 05:20 EST Detroit River / Ambassador Bridge downbound
6 Nov 2025 23:38 EST Port Huron / Blue Water Bridge downbound
5 Nov 2025 03:28 EST Port Huron / Blue Water Bridge upbound
4 Nov 2025 21:59 EST Detroit River / Ambassador Bridge upbound
2 Nov 2025 10:45 EST Detroit River / Ambassador Bridge downbound
2 Nov 2025 05:26 EST Port Huron / Blue Water Bridge downbound
October 2025 17 passages
Date Local time Chokepoint Direction
30 Oct 2025 00:46 EDT Port Huron / Blue Water Bridge upbound
29 Oct 2025 19:26 EDT Detroit River / Ambassador Bridge upbound
22 Oct 2025 06:26 EDT Detroit River / Ambassador Bridge downbound
22 Oct 2025 00:40 EDT Port Huron / Blue Water Bridge downbound
17 Oct 2025 03:37 EDT Port Huron / Blue Water Bridge upbound
16 Oct 2025 22:27 EDT Detroit River / Ambassador Bridge upbound
15 Oct 2025 03:34 EDT Detroit River / Ambassador Bridge downbound
14 Oct 2025 22:18 EDT Port Huron / Blue Water Bridge downbound
13 Oct 2025 00:47 EDT Port Huron / Blue Water Bridge upbound
12 Oct 2025 19:13 EDT Detroit River / Ambassador Bridge upbound
12 Oct 2025 07:25 EDT Detroit River / Ambassador Bridge downbound
10 Oct 2025 07:20 EDT Soo Locks (St. Marys River) downbound
9 Oct 2025 20:11 EDT Soo Locks (St. Marys River) upbound
6 Oct 2025 17:46 EDT Port Huron / Blue Water Bridge upbound
6 Oct 2025 12:07 EDT Detroit River / Ambassador Bridge upbound
3 Oct 2025 04:16 EDT Detroit River / Ambassador Bridge downbound
2 Oct 2025 22:34 EDT Port Huron / Blue Water Bridge downbound
September 2025 16 passages
Date Local time Chokepoint Direction
30 Sep 2025 15:18 EDT Port Huron / Blue Water Bridge upbound
30 Sep 2025 05:40 EDT Port Huron / Blue Water Bridge downbound
25 Sep 2025 13:15 EDT Port Huron / Blue Water Bridge upbound
24 Sep 2025 06:45 EDT Detroit River / Ambassador Bridge upbound
18 Sep 2025 00:28 EDT Detroit River / Ambassador Bridge downbound
17 Sep 2025 19:19 EDT Port Huron / Blue Water Bridge downbound
15 Sep 2025 23:33 EDT Port Huron / Blue Water Bridge upbound
15 Sep 2025 12:40 EDT Port Huron / Blue Water Bridge downbound
13 Sep 2025 19:25 EDT Port Huron / Blue Water Bridge upbound
13 Sep 2025 13:57 EDT Detroit River / Ambassador Bridge upbound
11 Sep 2025 11:17 EDT Detroit River / Ambassador Bridge downbound
11 Sep 2025 06:31 EDT Port Huron / Blue Water Bridge downbound
9 Sep 2025 09:31 EDT Port Huron / Blue Water Bridge upbound
9 Sep 2025 03:39 EDT Detroit River / Ambassador Bridge upbound
2 Sep 2025 00:53 EDT Port Huron / Blue Water Bridge upbound
1 Sep 2025 19:30 EDT Detroit River / Ambassador Bridge upbound
August 2025 13 passages
Date Local time Chokepoint Direction
28 Aug 2025 15:51 EDT Detroit River / Ambassador Bridge downbound
26 Aug 2025 12:24 EDT Port Huron / Blue Water Bridge upbound
25 Aug 2025 21:25 EDT Detroit River / Ambassador Bridge upbound
19 Aug 2025 15:46 EDT Detroit River / Ambassador Bridge downbound
19 Aug 2025 10:21 EDT Port Huron / Blue Water Bridge downbound
17 Aug 2025 07:04 EDT Port Huron / Blue Water Bridge upbound
16 Aug 2025 16:29 EDT Detroit River / Ambassador Bridge upbound
6 Aug 2025 03:02 EDT Detroit River / Ambassador Bridge downbound
5 Aug 2025 21:34 EDT Port Huron / Blue Water Bridge downbound
3 Aug 2025 23:44 EDT Port Huron / Blue Water Bridge upbound
3 Aug 2025 17:58 EDT Detroit River / Ambassador Bridge upbound
2 Aug 2025 03:16 EDT Detroit River / Ambassador Bridge downbound
1 Aug 2025 22:02 EDT Port Huron / Blue Water Bridge downbound
July 2025 22 passages
Date Local time Chokepoint Direction
31 Jul 2025 01:14 EDT Port Huron / Blue Water Bridge upbound
30 Jul 2025 19:30 EDT Detroit River / Ambassador Bridge upbound
29 Jul 2025 11:04 EDT Detroit River / Ambassador Bridge downbound
29 Jul 2025 05:27 EDT Port Huron / Blue Water Bridge downbound
24 Jul 2025 14:25 EDT Port Huron / Blue Water Bridge upbound
24 Jul 2025 04:37 EDT Port Huron / Blue Water Bridge downbound
21 Jul 2025 15:18 EDT Port Huron / Blue Water Bridge upbound
21 Jul 2025 03:04 EDT Detroit River / Ambassador Bridge upbound
18 Jul 2025 21:31 EDT Detroit River / Ambassador Bridge downbound
18 Jul 2025 16:08 EDT Port Huron / Blue Water Bridge downbound
16 Jul 2025 16:33 EDT Port Huron / Blue Water Bridge upbound
16 Jul 2025 11:13 EDT Detroit River / Ambassador Bridge upbound
15 Jul 2025 16:51 EDT Detroit River / Ambassador Bridge downbound
15 Jul 2025 11:32 EDT Port Huron / Blue Water Bridge downbound
14 Jul 2025 01:20 EDT Port Huron / Blue Water Bridge upbound
13 Jul 2025 13:48 EDT Port Huron / Blue Water Bridge downbound
8 Jul 2025 19:31 EDT Port Huron / Blue Water Bridge upbound
8 Jul 2025 02:17 EDT Detroit River / Ambassador Bridge upbound
5 Jul 2025 15:03 EDT Detroit River / Ambassador Bridge downbound
5 Jul 2025 09:40 EDT Port Huron / Blue Water Bridge downbound
1 Jul 2025 08:26 EDT Port Huron / Blue Water Bridge upbound
1 Jul 2025 02:53 EDT Detroit River / Ambassador Bridge upbound
June 2025 20 passages
Date Local time Chokepoint Direction
28 Jun 2025 09:00 EDT Detroit River / Ambassador Bridge downbound
28 Jun 2025 03:35 EDT Port Huron / Blue Water Bridge downbound
27 Jun 2025 10:40 EDT Straits of Mackinac eastbound
24 Jun 2025 03:36 EDT Straits of Mackinac westbound
21 Jun 2025 02:16 EDT Port Huron / Blue Water Bridge upbound
20 Jun 2025 15:34 EDT Port Huron / Blue Water Bridge downbound
19 Jun 2025 03:05 EDT Port Huron / Blue Water Bridge upbound
18 Jun 2025 20:33 EDT Detroit River / Ambassador Bridge upbound
17 Jun 2025 21:13 EDT Detroit River / Ambassador Bridge downbound
17 Jun 2025 15:55 EDT Port Huron / Blue Water Bridge downbound
11 Jun 2025 16:31 EDT Port Huron / Blue Water Bridge upbound
11 Jun 2025 10:50 EDT Detroit River / Ambassador Bridge upbound
10 Jun 2025 14:35 EDT Detroit River / Ambassador Bridge downbound
10 Jun 2025 09:47 EDT Port Huron / Blue Water Bridge downbound
9 Jun 2025 01:56 EDT Port Huron / Blue Water Bridge upbound
8 Jun 2025 20:02 EDT Detroit River / Ambassador Bridge upbound
5 Jun 2025 01:05 EDT Detroit River / Ambassador Bridge downbound
4 Jun 2025 19:45 EDT Port Huron / Blue Water Bridge downbound
1 Jun 2025 15:04 EDT Port Huron / Blue Water Bridge upbound
1 Jun 2025 09:43 EDT Detroit River / Ambassador Bridge upbound
May 2025 14 passages
Date Local time Chokepoint Direction
28 May 2025 03:59 EDT Detroit River / Ambassador Bridge downbound
27 May 2025 22:34 EDT Port Huron / Blue Water Bridge downbound
25 May 2025 14:26 EDT Port Huron / Blue Water Bridge upbound
25 May 2025 03:21 EDT Port Huron / Blue Water Bridge downbound
18 May 2025 12:27 EDT Port Huron / Blue Water Bridge upbound
18 May 2025 07:13 EDT Detroit River / Ambassador Bridge upbound
14 May 2025 04:39 EDT Detroit River / Ambassador Bridge downbound
13 May 2025 22:38 EDT Port Huron / Blue Water Bridge downbound
11 May 2025 20:35 EDT Port Huron / Blue Water Bridge upbound
11 May 2025 14:40 EDT Detroit River / Ambassador Bridge upbound
10 May 2025 03:52 EDT Detroit River / Ambassador Bridge downbound
9 May 2025 22:31 EDT Port Huron / Blue Water Bridge downbound
7 May 2025 13:47 EDT Port Huron / Blue Water Bridge upbound
7 May 2025 07:41 EDT Detroit River / Ambassador Bridge upbound
April 2025 8 passages
Date Local time Chokepoint Direction
25 Apr 2025 03:30 EDT Detroit River / Ambassador Bridge downbound
24 Apr 2025 22:08 EDT Port Huron / Blue Water Bridge downbound
22 Apr 2025 17:35 EDT Port Huron / Blue Water Bridge upbound
22 Apr 2025 12:06 EDT Detroit River / Ambassador Bridge upbound
15 Apr 2025 03:28 EDT Detroit River / Ambassador Bridge downbound
14 Apr 2025 22:00 EDT Port Huron / Blue Water Bridge downbound
11 Apr 2025 12:05 EDT Port Huron / Blue Water Bridge upbound
11 Apr 2025 05:57 EDT Detroit River / Ambassador Bridge upbound
January 2025 3 passages
Date Local time Chokepoint Direction
6 Jan 2025 05:21 EST Detroit River / Ambassador Bridge downbound
5 Jan 2025 23:43 EST Port Huron / Blue Water Bridge downbound
3 Jan 2025 15:52 EST Soo Locks (St. Marys River) downbound

2024 season

December 2024 19 passages
Date Local time Chokepoint Direction
29 Dec 2024 11:34 EST Soo Locks (St. Marys River) upbound
28 Dec 2024 10:31 EST Port Huron / Blue Water Bridge upbound
28 Dec 2024 05:18 EST Detroit River / Ambassador Bridge upbound
25 Dec 2024 01:29 EST Soo Locks (St. Marys River) downbound
21 Dec 2024 14:48 EST Soo Locks (St. Marys River) upbound
20 Dec 2024 11:59 EST Port Huron / Blue Water Bridge upbound
20 Dec 2024 04:20 EST Detroit River / Ambassador Bridge upbound
17 Dec 2024 21:08 EST Detroit River / Ambassador Bridge upbound
17 Dec 2024 15:18 EST Port Huron / Blue Water Bridge downbound
15 Dec 2024 08:28 EST Soo Locks (St. Marys River) downbound
14 Dec 2024 16:19 EST Soo Locks (St. Marys River) upbound
13 Dec 2024 19:35 EST Port Huron / Blue Water Bridge upbound
13 Dec 2024 14:09 EST Detroit River / Ambassador Bridge upbound
11 Dec 2024 17:22 EST Detroit River / Ambassador Bridge upbound
11 Dec 2024 06:31 EST Port Huron / Blue Water Bridge downbound
5 Dec 2024 20:12 EST Port Huron / Blue Water Bridge upbound
5 Dec 2024 12:40 EST Detroit River / Ambassador Bridge upbound
3 Dec 2024 19:06 EST Detroit River / Ambassador Bridge downbound
3 Dec 2024 13:21 EST Port Huron / Blue Water Bridge downbound
November 2024 6 passages
Date Local time Chokepoint Direction
28 Nov 2024 17:19 EST Port Huron / Blue Water Bridge upbound
28 Nov 2024 08:00 EST Detroit River / Ambassador Bridge upbound
14 Nov 2024 22:27 EST Detroit River / Ambassador Bridge downbound
14 Nov 2024 17:00 EST Port Huron / Blue Water Bridge downbound
9 Nov 2024 14:27 EST Port Huron / Blue Water Bridge upbound
9 Nov 2024 09:14 EST Detroit River / Ambassador Bridge upbound
October 2024 9 passages
Date Local time Chokepoint Direction
29 Oct 2024 09:34 EDT Port Huron / Blue Water Bridge downbound
26 Oct 2024 01:57 EDT Port Huron / Blue Water Bridge upbound
25 Oct 2024 21:45 EDT Detroit River / Ambassador Bridge upbound
19 Oct 2024 13:43 EDT Detroit River / Ambassador Bridge downbound
19 Oct 2024 08:02 EDT Port Huron / Blue Water Bridge downbound
17 Oct 2024 07:35 EDT Port Huron / Blue Water Bridge upbound
16 Oct 2024 19:36 EDT Port Huron / Blue Water Bridge downbound
13 Oct 2024 07:09 EDT Port Huron / Blue Water Bridge upbound
12 Oct 2024 16:50 EDT Detroit River / Ambassador Bridge upbound
September 2024 16 passages
Date Local time Chokepoint Direction
30 Sep 2024 03:02 EDT Detroit River / Ambassador Bridge upbound
29 Sep 2024 20:32 EDT Port Huron / Blue Water Bridge downbound
24 Sep 2024 06:45 EDT Port Huron / Blue Water Bridge upbound
24 Sep 2024 01:10 EDT Detroit River / Ambassador Bridge upbound
19 Sep 2024 18:47 EDT Detroit River / Ambassador Bridge downbound
19 Sep 2024 13:26 EDT Port Huron / Blue Water Bridge downbound
17 Sep 2024 11:07 EDT Port Huron / Blue Water Bridge upbound
17 Sep 2024 05:13 EDT Detroit River / Ambassador Bridge upbound
11 Sep 2024 19:49 EDT Detroit River / Ambassador Bridge downbound
11 Sep 2024 14:15 EDT Port Huron / Blue Water Bridge downbound
9 Sep 2024 04:34 EDT Port Huron / Blue Water Bridge upbound
8 Sep 2024 20:51 EDT Detroit River / Ambassador Bridge upbound
6 Sep 2024 06:10 EDT Detroit River / Ambassador Bridge downbound
6 Sep 2024 00:41 EDT Port Huron / Blue Water Bridge downbound
3 Sep 2024 14:47 EDT Port Huron / Blue Water Bridge upbound
3 Sep 2024 09:23 EDT Detroit River / Ambassador Bridge upbound
August 2024 12 passages
Date Local time Chokepoint Direction
28 Aug 2024 22:00 EDT Detroit River / Ambassador Bridge downbound
28 Aug 2024 16:35 EDT Port Huron / Blue Water Bridge downbound
27 Aug 2024 18:04 EDT Straits of Mackinac eastbound
26 Aug 2024 21:45 EDT Straits of Mackinac westbound
26 Aug 2024 04:27 EDT Port Huron / Blue Water Bridge upbound
25 Aug 2024 22:55 EDT Detroit River / Ambassador Bridge upbound
21 Aug 2024 12:04 EDT Detroit River / Ambassador Bridge downbound
21 Aug 2024 06:38 EDT Port Huron / Blue Water Bridge downbound
18 Aug 2024 21:02 EDT Port Huron / Blue Water Bridge upbound
18 Aug 2024 14:59 EDT Detroit River / Ambassador Bridge upbound
2 Aug 2024 07:59 EDT Detroit River / Ambassador Bridge downbound
2 Aug 2024 02:34 EDT Port Huron / Blue Water Bridge downbound
July 2024 16 passages
Date Local time Chokepoint Direction
31 Jul 2024 04:49 EDT Port Huron / Blue Water Bridge upbound
30 Jul 2024 23:16 EDT Detroit River / Ambassador Bridge upbound
25 Jul 2024 22:53 EDT Detroit River / Ambassador Bridge downbound
25 Jul 2024 17:08 EDT Port Huron / Blue Water Bridge downbound
23 Jul 2024 07:12 EDT Port Huron / Blue Water Bridge upbound
23 Jul 2024 01:35 EDT Detroit River / Ambassador Bridge upbound
20 Jul 2024 01:37 EDT Detroit River / Ambassador Bridge upbound
19 Jul 2024 10:25 EDT Port Huron / Blue Water Bridge downbound
17 Jul 2024 03:03 EDT Port Huron / Blue Water Bridge upbound
16 Jul 2024 18:41 EDT Detroit River / Ambassador Bridge upbound
9 Jul 2024 15:58 EDT Detroit River / Ambassador Bridge downbound
9 Jul 2024 10:31 EDT Port Huron / Blue Water Bridge downbound
8 Jul 2024 17:20 EDT Straits of Mackinac eastbound
7 Jul 2024 21:53 EDT Straits of Mackinac westbound
3 Jul 2024 13:57 EDT Port Huron / Blue Water Bridge upbound
3 Jul 2024 08:36 EDT Detroit River / Ambassador Bridge upbound
June 2024 10 passages
Date Local time Chokepoint Direction
22 Jun 2024 04:58 EDT Detroit River / Ambassador Bridge downbound
21 Jun 2024 23:29 EDT Port Huron / Blue Water Bridge downbound
20 Jun 2024 03:33 EDT Port Huron / Blue Water Bridge upbound
19 Jun 2024 22:00 EDT Detroit River / Ambassador Bridge upbound
10 Jun 2024 14:30 EDT Detroit River / Ambassador Bridge downbound
10 Jun 2024 09:03 EDT Port Huron / Blue Water Bridge downbound
9 Jun 2024 14:03 EDT Straits of Mackinac eastbound
8 Jun 2024 18:38 EDT Straits of Mackinac westbound
8 Jun 2024 01:20 EDT Port Huron / Blue Water Bridge upbound
7 Jun 2024 19:38 EDT Detroit River / Ambassador Bridge upbound
May 2024 9 passages
Date Local time Chokepoint Direction
26 May 2024 08:54 EDT Detroit River / Ambassador Bridge downbound
26 May 2024 03:25 EDT Port Huron / Blue Water Bridge downbound
25 May 2024 05:09 EDT Soo Locks (St. Marys River) downbound
23 May 2024 20:48 EDT Soo Locks (St. Marys River) upbound
22 May 2024 21:57 EDT Port Huron / Blue Water Bridge upbound
8 May 2024 06:02 EDT Detroit River / Ambassador Bridge downbound
8 May 2024 00:34 EDT Port Huron / Blue Water Bridge downbound
5 May 2024 14:40 EDT Port Huron / Blue Water Bridge upbound
5 May 2024 09:04 EDT Detroit River / Ambassador Bridge upbound
April 2024 8 passages
Date Local time Chokepoint Direction
15 Apr 2024 04:07 EDT Detroit River / Ambassador Bridge downbound
14 Apr 2024 22:35 EDT Port Huron / Blue Water Bridge downbound
11 Apr 2024 11:43 EDT Port Huron / Blue Water Bridge upbound
11 Apr 2024 06:22 EDT Detroit River / Ambassador Bridge upbound
10 Apr 2024 12:51 EDT Detroit River / Ambassador Bridge downbound
10 Apr 2024 07:10 EDT Port Huron / Blue Water Bridge downbound
8 Apr 2024 20:39 EDT Port Huron / Blue Water Bridge upbound
8 Apr 2024 14:50 EDT Detroit River / Ambassador Bridge upbound
March 2024 6 passages
Date Local time Chokepoint Direction
30 Mar 2024 17:41 EDT Detroit River / Ambassador Bridge downbound
30 Mar 2024 11:57 EDT Port Huron / Blue Water Bridge downbound
29 Mar 2024 00:33 EDT Soo Locks (St. Marys River) downbound
26 Mar 2024 10:31 EDT Soo Locks (St. Marys River) upbound
25 Mar 2024 14:03 EDT Port Huron / Blue Water Bridge upbound
25 Mar 2024 07:38 EDT Detroit River / Ambassador Bridge upbound