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 · United States flag

Samuel de Champlain

Andrie LLC · Tug/barge unit · 45 m. Range: Lakes only. 287 recorded passages across 6 chokepoints.

Last recorded passage

westbound at Straits of Mackinac

31 Dec 2025, 06:13 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 Samuel de Champlain is today.

FreighterLog is the record, not the map. For where Samuel de Champlain 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 Samuel de Champlain 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. Samuel de Champlain 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) SAMUEL DE CHAMPLAIN
MMSI 367084930
IMO IMO7433799
Call sign WDC8307
Length overall 45 m (148 ft)
Beam 22 m (72 ft)
AIS vessel type Tug
Hull type Tug/barge unit
Operator Andrie LLC
Flag United States

Passage record

  • 287 Passages January 2024 – December 2025
  • 6 Chokepoints of 7 monitored
  • 1 Jan 2024 First in archive UTC date
  • 31 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
31 Dec 2025 06:13 EST Straits of Mackinac westbound
27 Dec 2025 07:08 EST Port Huron / Blue Water Bridge upbound
27 Dec 2025 01:07 EST Detroit River / Ambassador Bridge upbound
23 Dec 2025 15:34 EST Detroit River / Ambassador Bridge downbound
23 Dec 2025 10:16 EST Port Huron / Blue Water Bridge downbound
15 Dec 2025 00:05 EST Straits of Mackinac eastbound
10 Dec 2025 08:50 EST Straits of Mackinac westbound
8 Dec 2025 08:05 EST Straits of Mackinac eastbound
4 Dec 2025 03:39 EST Straits of Mackinac westbound
2 Dec 2025 13:07 EST Port Huron / Blue Water Bridge upbound
2 Dec 2025 07:06 EST Detroit River / Ambassador Bridge upbound
November 2025 12 passages
Date Local time Chokepoint Direction
25 Nov 2025 15:52 EST Detroit River / Ambassador Bridge downbound
25 Nov 2025 09:28 EST Port Huron / Blue Water Bridge downbound
24 Nov 2025 04:42 EST Straits of Mackinac eastbound
19 Nov 2025 21:22 EST Straits of Mackinac westbound
17 Nov 2025 10:57 EST Straits of Mackinac eastbound
14 Nov 2025 22:29 EST Straits of Mackinac westbound
13 Nov 2025 23:01 EST Straits of Mackinac eastbound
5 Nov 2025 01:02 EST Straits of Mackinac westbound
3 Nov 2025 19:20 EST Port Huron / Blue Water Bridge upbound
3 Nov 2025 13:20 EST Detroit River / Ambassador Bridge upbound
1 Nov 2025 18:30 EDT Detroit River / Ambassador Bridge downbound
1 Nov 2025 12:36 EDT Port Huron / Blue Water Bridge downbound
October 2025 11 passages
Date Local time Chokepoint Direction
28 Oct 2025 19:43 EDT Straits of Mackinac eastbound
24 Oct 2025 14:48 EDT Straits of Mackinac westbound
20 Oct 2025 11:41 EDT Port Huron / Blue Water Bridge upbound
20 Oct 2025 05:52 EDT Detroit River / Ambassador Bridge upbound
18 Oct 2025 07:54 EDT Detroit River / Ambassador Bridge upbound
15 Oct 2025 21:28 EDT Straits of Mackinac eastbound
11 Oct 2025 05:10 EDT Straits of Mackinac westbound
9 Oct 2025 14:08 EDT Port Huron / Blue Water Bridge upbound
9 Oct 2025 07:53 EDT Detroit River / Ambassador Bridge upbound
7 Oct 2025 07:45 EDT Detroit River / Ambassador Bridge upbound
2 Oct 2025 00:39 EDT Straits of Mackinac eastbound
September 2025 10 passages
Date Local time Chokepoint Direction
27 Sep 2025 10:40 EDT Straits of Mackinac westbound
23 Sep 2025 18:01 EDT Detroit River / Ambassador Bridge upbound
22 Sep 2025 09:58 EDT Detroit River / Ambassador Bridge downbound
18 Sep 2025 15:01 EDT Straits of Mackinac eastbound
13 Sep 2025 10:35 EDT Straits of Mackinac westbound
10 Sep 2025 08:55 EDT Port Huron / Blue Water Bridge upbound
10 Sep 2025 00:14 EDT Detroit River / Ambassador Bridge upbound
9 Sep 2025 14:17 EDT Detroit River / Ambassador Bridge downbound
9 Sep 2025 07:39 EDT Port Huron / Blue Water Bridge downbound
7 Sep 2025 09:14 EDT Straits of Mackinac eastbound
August 2025 15 passages
Date Local time Chokepoint Direction
31 Aug 2025 08:20 EDT Straits of Mackinac westbound
28 Aug 2025 23:54 EDT Detroit River / Ambassador Bridge upbound
26 Aug 2025 14:25 EDT Detroit River / Ambassador Bridge upbound
26 Aug 2025 08:45 EDT Port Huron / Blue Water Bridge downbound
25 Aug 2025 05:29 EDT Straits of Mackinac eastbound
21 Aug 2025 00:44 EDT Straits of Mackinac westbound
16 Aug 2025 08:04 EDT Soo Locks (St. Marys River) downbound
14 Aug 2025 19:32 CDT Superior Entry outbound
13 Aug 2025 13:15 CDT Duluth Ship Canal inbound
12 Aug 2025 05:10 EDT Soo Locks (St. Marys River) upbound
10 Aug 2025 12:41 EDT Detroit River / Ambassador Bridge upbound
8 Aug 2025 08:21 EDT Detroit River / Ambassador Bridge upbound
8 Aug 2025 02:55 EDT Port Huron / Blue Water Bridge downbound
6 Aug 2025 05:59 EDT Straits of Mackinac eastbound
1 Aug 2025 22:11 EDT Straits of Mackinac westbound
July 2025 16 passages
Date Local time Chokepoint Direction
28 Jul 2025 18:39 EDT Port Huron / Blue Water Bridge upbound
28 Jul 2025 12:19 EDT Detroit River / Ambassador Bridge upbound
26 Jul 2025 08:49 EDT Detroit River / Ambassador Bridge downbound
26 Jul 2025 02:25 EDT Port Huron / Blue Water Bridge downbound
24 Jul 2025 08:43 EDT Straits of Mackinac eastbound
19 Jul 2025 20:10 EDT Straits of Mackinac westbound
15 Jul 2025 05:41 EDT Port Huron / Blue Water Bridge upbound
14 Jul 2025 22:26 EDT Detroit River / Ambassador Bridge upbound
13 Jul 2025 14:53 EDT Detroit River / Ambassador Bridge downbound
13 Jul 2025 09:20 EDT Port Huron / Blue Water Bridge downbound
11 Jul 2025 05:14 EDT Straits of Mackinac eastbound
6 Jul 2025 07:57 EDT Straits of Mackinac westbound
5 Jul 2025 05:49 EDT Soo Locks (St. Marys River) downbound
3 Jul 2025 19:15 CDT Superior Entry outbound
2 Jul 2025 11:23 CDT Duluth Ship Canal inbound
1 Jul 2025 03:08 EDT Soo Locks (St. Marys River) upbound
June 2025 17 passages
Date Local time Chokepoint Direction
29 Jun 2025 14:18 EDT Port Huron / Blue Water Bridge upbound
29 Jun 2025 08:28 EDT Detroit River / Ambassador Bridge upbound
26 Jun 2025 13:26 EDT Detroit River / Ambassador Bridge upbound
26 Jun 2025 07:51 EDT Port Huron / Blue Water Bridge downbound
25 Jun 2025 03:11 EDT Straits of Mackinac eastbound
20 Jun 2025 10:50 EDT Straits of Mackinac westbound
19 Jun 2025 01:03 EDT Port Huron / Blue Water Bridge upbound
18 Jun 2025 18:19 EDT Detroit River / Ambassador Bridge upbound
16 Jun 2025 11:22 EDT Detroit River / Ambassador Bridge upbound
16 Jun 2025 05:39 EDT Port Huron / Blue Water Bridge downbound
15 Jun 2025 03:53 EDT Straits of Mackinac eastbound
10 Jun 2025 23:37 EDT Straits of Mackinac westbound
6 Jun 2025 21:14 EDT Port Huron / Blue Water Bridge upbound
6 Jun 2025 13:13 EDT Detroit River / Ambassador Bridge upbound
4 Jun 2025 13:02 EDT Detroit River / Ambassador Bridge downbound
4 Jun 2025 07:21 EDT Port Huron / Blue Water Bridge downbound
1 Jun 2025 08:44 EDT Straits of Mackinac eastbound
May 2025 13 passages
Date Local time Chokepoint Direction
26 May 2025 08:47 EDT Straits of Mackinac westbound
25 May 2025 04:35 EDT Port Huron / Blue Water Bridge upbound
24 May 2025 21:50 EDT Detroit River / Ambassador Bridge upbound
23 May 2025 14:48 EDT Detroit River / Ambassador Bridge upbound
23 May 2025 07:43 EDT Port Huron / Blue Water Bridge downbound
21 May 2025 22:48 EDT Straits of Mackinac eastbound
17 May 2025 00:34 EDT Straits of Mackinac westbound
11 May 2025 15:52 EDT Port Huron / Blue Water Bridge upbound
11 May 2025 09:16 EDT Detroit River / Ambassador Bridge upbound
9 May 2025 12:46 EDT Detroit River / Ambassador Bridge upbound
9 May 2025 07:17 EDT Port Huron / Blue Water Bridge downbound
8 May 2025 03:52 EDT Straits of Mackinac eastbound
2 May 2025 22:10 EDT Straits of Mackinac westbound
April 2025 21 passages
Date Local time Chokepoint Direction
30 Apr 2025 10:59 EDT Port Huron / Blue Water Bridge upbound
30 Apr 2025 05:12 EDT Detroit River / Ambassador Bridge upbound
28 Apr 2025 20:48 EDT Detroit River / Ambassador Bridge downbound
28 Apr 2025 15:36 EDT Port Huron / Blue Water Bridge downbound
27 Apr 2025 13:46 EDT Straits of Mackinac eastbound
22 Apr 2025 23:39 EDT Straits of Mackinac westbound
21 Apr 2025 19:10 EDT Port Huron / Blue Water Bridge upbound
21 Apr 2025 13:00 EDT Detroit River / Ambassador Bridge upbound
19 Apr 2025 14:24 EDT Detroit River / Ambassador Bridge upbound
19 Apr 2025 09:08 EDT Port Huron / Blue Water Bridge downbound
18 Apr 2025 05:37 EDT Straits of Mackinac eastbound
13 Apr 2025 22:01 EDT Straits of Mackinac westbound
11 Apr 2025 18:55 EDT Port Huron / Blue Water Bridge upbound
11 Apr 2025 12:01 EDT Detroit River / Ambassador Bridge upbound
9 Apr 2025 23:53 EDT Detroit River / Ambassador Bridge downbound
9 Apr 2025 17:26 EDT Port Huron / Blue Water Bridge downbound
5 Apr 2025 13:46 EDT Port Huron / Blue Water Bridge upbound
5 Apr 2025 06:23 EDT Detroit River / Ambassador Bridge upbound
2 Apr 2025 09:53 EDT Detroit River / Ambassador Bridge upbound
2 Apr 2025 03:22 EDT Port Huron / Blue Water Bridge downbound
31 Mar 2025 22:22 EDT Straits of Mackinac eastbound
March 2025 9 passages
Date Local time Chokepoint Direction
26 Mar 2025 14:42 EDT Straits of Mackinac westbound
25 Mar 2025 08:25 EDT Port Huron / Blue Water Bridge upbound
25 Mar 2025 02:17 EDT Detroit River / Ambassador Bridge upbound
22 Mar 2025 13:47 EDT Detroit River / Ambassador Bridge upbound
22 Mar 2025 07:48 EDT Port Huron / Blue Water Bridge downbound
19 Mar 2025 13:14 EDT Straits of Mackinac eastbound
11 Mar 2025 09:39 EDT Straits of Mackinac westbound
10 Mar 2025 00:21 EDT Port Huron / Blue Water Bridge upbound
9 Mar 2025 18:36 EDT Detroit River / Ambassador Bridge upbound
January 2025 4 passages
Date Local time Chokepoint Direction
6 Jan 2025 07:45 EST Detroit River / Ambassador Bridge upbound
6 Jan 2025 01:32 EST Port Huron / Blue Water Bridge downbound
2 Jan 2025 22:57 EST Port Huron / Blue Water Bridge upbound
2 Jan 2025 16:39 EST Detroit River / Ambassador Bridge upbound

2024 season

December 2024 18 passages
Date Local time Chokepoint Direction
31 Dec 2024 10:23 EST Detroit River / Ambassador Bridge downbound
31 Dec 2024 03:37 EST Port Huron / Blue Water Bridge downbound
28 Dec 2024 12:23 EST Straits of Mackinac eastbound
23 Dec 2024 05:40 EST Straits of Mackinac westbound
21 Dec 2024 18:38 EST Port Huron / Blue Water Bridge upbound
21 Dec 2024 12:20 EST Detroit River / Ambassador Bridge upbound
19 Dec 2024 09:08 EST Detroit River / Ambassador Bridge upbound
19 Dec 2024 03:11 EST Port Huron / Blue Water Bridge downbound
16 Dec 2024 21:01 EST Straits of Mackinac eastbound
12 Dec 2024 15:58 EST Straits of Mackinac westbound
10 Dec 2024 22:20 EST Straits of Mackinac eastbound
7 Dec 2024 10:24 EST Straits of Mackinac westbound
6 Dec 2024 04:33 EST Port Huron / Blue Water Bridge upbound
5 Dec 2024 22:07 EST Detroit River / Ambassador Bridge upbound
4 Dec 2024 12:48 EST Detroit River / Ambassador Bridge downbound
4 Dec 2024 05:25 EST Port Huron / Blue Water Bridge downbound
1 Dec 2024 15:11 EST Port Huron / Blue Water Bridge upbound
1 Dec 2024 09:08 EST Detroit River / Ambassador Bridge upbound
November 2024 11 passages
Date Local time Chokepoint Direction
28 Nov 2024 10:12 EST Detroit River / Ambassador Bridge downbound
28 Nov 2024 04:57 EST Port Huron / Blue Water Bridge downbound
26 Nov 2024 23:52 EST Straits of Mackinac eastbound
21 Nov 2024 01:43 EST Straits of Mackinac westbound
18 Nov 2024 15:11 EST Port Huron / Blue Water Bridge upbound
17 Nov 2024 11:18 EST Detroit River / Ambassador Bridge upbound
17 Nov 2024 06:28 EST Port Huron / Blue Water Bridge downbound
16 Nov 2024 00:48 EST Straits of Mackinac eastbound
9 Nov 2024 20:19 EST Straits of Mackinac westbound
8 Nov 2024 19:02 EST Straits of Mackinac eastbound
3 Nov 2024 01:34 EST Straits of Mackinac westbound
October 2024 18 passages
Date Local time Chokepoint Direction
31 Oct 2024 01:54 EDT Port Huron / Blue Water Bridge upbound
30 Oct 2024 20:07 EDT Detroit River / Ambassador Bridge upbound
30 Oct 2024 03:52 EDT Detroit River / Ambassador Bridge upbound
29 Oct 2024 22:02 EDT Port Huron / Blue Water Bridge downbound
22 Oct 2024 04:57 EDT Straits of Mackinac westbound
20 Oct 2024 22:58 EDT Port Huron / Blue Water Bridge upbound
20 Oct 2024 16:31 EDT Detroit River / Ambassador Bridge upbound
18 Oct 2024 09:19 EDT Detroit River / Ambassador Bridge upbound
18 Oct 2024 02:52 EDT Port Huron / Blue Water Bridge downbound
16 Oct 2024 00:34 EDT Straits of Mackinac eastbound
12 Oct 2024 23:11 EDT Straits of Mackinac westbound
11 Oct 2024 23:18 EDT Straits of Mackinac eastbound
7 Oct 2024 16:25 EDT Straits of Mackinac westbound
5 Oct 2024 04:41 EDT Port Huron / Blue Water Bridge upbound
4 Oct 2024 21:38 EDT Detroit River / Ambassador Bridge upbound
4 Oct 2024 04:54 EDT Detroit River / Ambassador Bridge downbound
3 Oct 2024 18:04 EDT Port Huron / Blue Water Bridge downbound
2 Oct 2024 13:01 EDT Straits of Mackinac eastbound
September 2024 15 passages
Date Local time Chokepoint Direction
26 Sep 2024 05:33 EDT Straits of Mackinac westbound
25 Sep 2024 01:49 EDT Soo Locks (St. Marys River) downbound
23 Sep 2024 11:07 CDT Superior Entry outbound
22 Sep 2024 12:24 CDT Duluth Ship Canal inbound
21 Sep 2024 01:09 EDT Soo Locks (St. Marys River) upbound
19 Sep 2024 11:38 EDT Straits of Mackinac eastbound
14 Sep 2024 11:01 EDT Straits of Mackinac westbound
12 Sep 2024 00:17 EDT Soo Locks (St. Marys River) downbound
10 Sep 2024 11:42 CDT Superior Entry outbound
8 Sep 2024 06:26 CDT Duluth Ship Canal inbound
6 Sep 2024 16:20 EDT Soo Locks (St. Marys River) upbound
4 Sep 2024 01:35 EDT Port Huron / Blue Water Bridge upbound
3 Sep 2024 18:31 EDT Detroit River / Ambassador Bridge upbound
3 Sep 2024 07:11 EDT Detroit River / Ambassador Bridge downbound
2 Sep 2024 22:16 EDT Port Huron / Blue Water Bridge downbound
August 2024 13 passages
Date Local time Chokepoint Direction
29 Aug 2024 08:25 EDT Straits of Mackinac eastbound
23 Aug 2024 07:09 EDT Straits of Mackinac westbound
20 Aug 2024 10:12 EDT Port Huron / Blue Water Bridge upbound
20 Aug 2024 01:49 EDT Detroit River / Ambassador Bridge upbound
18 Aug 2024 09:23 EDT Detroit River / Ambassador Bridge downbound
18 Aug 2024 03:12 EDT Port Huron / Blue Water Bridge downbound
15 Aug 2024 14:00 EDT Straits of Mackinac eastbound
9 Aug 2024 09:53 EDT Straits of Mackinac westbound
7 Aug 2024 08:27 EDT Port Huron / Blue Water Bridge upbound
7 Aug 2024 02:24 EDT Detroit River / Ambassador Bridge upbound
5 Aug 2024 05:57 EDT Detroit River / Ambassador Bridge downbound
5 Aug 2024 00:41 EDT Port Huron / Blue Water Bridge downbound
2 Aug 2024 05:47 EDT Straits of Mackinac eastbound
July 2024 13 passages
Date Local time Chokepoint Direction
27 Jul 2024 21:35 EDT Straits of Mackinac westbound
24 Jul 2024 00:17 EDT Port Huron / Blue Water Bridge upbound
23 Jul 2024 18:33 EDT Detroit River / Ambassador Bridge upbound
21 Jul 2024 09:32 EDT Detroit River / Ambassador Bridge upbound
21 Jul 2024 04:09 EDT Port Huron / Blue Water Bridge downbound
19 Jul 2024 22:24 EDT Straits of Mackinac eastbound
12 Jul 2024 21:17 EDT Straits of Mackinac westbound
11 Jul 2024 15:11 EDT Port Huron / Blue Water Bridge upbound
11 Jul 2024 09:18 EDT Detroit River / Ambassador Bridge upbound
9 Jul 2024 03:04 EDT Detroit River / Ambassador Bridge upbound
8 Jul 2024 19:44 EDT Port Huron / Blue Water Bridge downbound
7 Jul 2024 14:37 EDT Straits of Mackinac eastbound
1 Jul 2024 15:09 EDT Straits of Mackinac westbound
June 2024 14 passages
Date Local time Chokepoint Direction
30 Jun 2024 07:59 EDT Port Huron / Blue Water Bridge upbound
30 Jun 2024 01:59 EDT Detroit River / Ambassador Bridge upbound
27 Jun 2024 17:00 EDT Detroit River / Ambassador Bridge downbound
27 Jun 2024 10:30 EDT Port Huron / Blue Water Bridge downbound
26 Jun 2024 04:27 EDT Straits of Mackinac eastbound
19 Jun 2024 15:43 EDT Straits of Mackinac westbound
17 Jun 2024 11:11 EDT Port Huron / Blue Water Bridge upbound
17 Jun 2024 05:17 EDT Detroit River / Ambassador Bridge upbound
14 Jun 2024 22:10 EDT Detroit River / Ambassador Bridge downbound
14 Jun 2024 15:34 EDT Port Huron / Blue Water Bridge downbound
13 Jun 2024 10:08 EDT Straits of Mackinac eastbound
5 Jun 2024 10:16 EDT Straits of Mackinac westbound
3 Jun 2024 14:41 EDT Port Huron / Blue Water Bridge upbound
3 Jun 2024 08:19 EDT Detroit River / Ambassador Bridge upbound
May 2024 16 passages
Date Local time Chokepoint Direction
31 May 2024 11:05 EDT Detroit River / Ambassador Bridge downbound
31 May 2024 05:35 EDT Port Huron / Blue Water Bridge downbound
30 May 2024 01:01 EDT Straits of Mackinac eastbound
23 May 2024 14:39 EDT Straits of Mackinac westbound
22 May 2024 10:28 EDT Port Huron / Blue Water Bridge upbound
22 May 2024 04:27 EDT Detroit River / Ambassador Bridge upbound
19 May 2024 16:28 EDT Detroit River / Ambassador Bridge upbound
19 May 2024 10:14 EDT Port Huron / Blue Water Bridge downbound
16 May 2024 08:24 EDT Port Huron / Blue Water Bridge upbound
16 May 2024 02:41 EDT Detroit River / Ambassador Bridge upbound
14 May 2024 15:59 EDT Detroit River / Ambassador Bridge downbound
14 May 2024 09:24 EDT Port Huron / Blue Water Bridge downbound
13 May 2024 03:03 EDT Straits of Mackinac eastbound
7 May 2024 07:28 EDT Straits of Mackinac westbound
2 May 2024 04:48 EDT Port Huron / Blue Water Bridge upbound
1 May 2024 23:14 EDT Detroit River / Ambassador Bridge upbound
April 2024 12 passages
Date Local time Chokepoint Direction
30 Apr 2024 07:14 EDT Detroit River / Ambassador Bridge downbound
30 Apr 2024 01:50 EDT Port Huron / Blue Water Bridge downbound
27 Apr 2024 14:14 EDT Straits of Mackinac eastbound
19 Apr 2024 00:47 EDT Straits of Mackinac westbound
17 Apr 2024 18:30 EDT Port Huron / Blue Water Bridge upbound
17 Apr 2024 08:34 EDT Detroit River / Ambassador Bridge upbound
14 Apr 2024 13:12 EDT Detroit River / Ambassador Bridge downbound
14 Apr 2024 07:55 EDT Port Huron / Blue Water Bridge downbound
11 Apr 2024 12:04 EDT Straits of Mackinac eastbound
5 Apr 2024 19:14 EDT Straits of Mackinac westbound
4 Apr 2024 14:20 EDT Port Huron / Blue Water Bridge upbound
4 Apr 2024 06:25 EDT Detroit River / Ambassador Bridge upbound
March 2024 10 passages
Date Local time Chokepoint Direction
30 Mar 2024 08:16 EDT Detroit River / Ambassador Bridge upbound
30 Mar 2024 02:49 EDT Port Huron / Blue Water Bridge downbound
28 Mar 2024 23:36 EDT Straits of Mackinac eastbound
24 Mar 2024 11:26 EDT Straits of Mackinac westbound
18 Mar 2024 05:26 EDT Port Huron / Blue Water Bridge upbound
17 Mar 2024 23:55 EDT Detroit River / Ambassador Bridge upbound
16 Mar 2024 01:00 EDT Detroit River / Ambassador Bridge upbound
15 Mar 2024 17:10 EDT Port Huron / Blue Water Bridge downbound
13 Mar 2024 19:28 EDT Port Huron / Blue Water Bridge upbound
13 Mar 2024 10:46 EDT Detroit River / Ambassador Bridge upbound
January 2024 8 passages
Date Local time Chokepoint Direction
23 Jan 2024 14:27 EST Detroit River / Ambassador Bridge upbound
23 Jan 2024 07:03 EST Port Huron / Blue Water Bridge downbound
21 Jan 2024 06:07 EST Straits of Mackinac eastbound
16 Jan 2024 06:31 EST Straits of Mackinac westbound
14 Jan 2024 20:37 EST Straits of Mackinac eastbound
5 Jan 2024 15:46 EST Straits of Mackinac westbound
1 Jan 2024 10:20 EST Port Huron / Blue Water Bridge upbound
1 Jan 2024 04:14 EST Detroit River / Ambassador Bridge upbound