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Port Port Byron

Where is the Port?
PORT BYRON is located near the monitored sea lanes. The official UN/LOCODE of this port is US4PB.

How many vessels are in Port Byron port?
There are currently 13 vessels in port and 7 vessels recently departed.

Port map updates in near real-time from AIS snapshots and route transitions. Use the vessel-type filters and names toggle in the map control.


Most frequent incoming origins

No route destination distribution yet.

Most frequent outgoing destinations



You can see routes between ports on port-to-port analytics.


Recent vessel arrivals at the port

Latest available transitions/port-call records (UTC). Total: 7
2025-09-15 13:17 UTC · THE JUDGE
IMO: 0, MMSI: 368170240 | Type:
2025-09-14 12:12 UTC · 'GORDON M STEVENS'
IMO: 0, MMSI: 369970732 | Type:
2025-09-08 16:01 UTC · DAVID STEGBAUER
IMO: 0, MMSI: 367384680 | Type:
2025-09-08 16:01 UTC · WANDA ISABELLE
IMO: 0, MMSI: 367721050 | Type:
2025-09-08 08:43 UTC · 'GORDON M STEVENS'
IMO: 0, MMSI: 369970732 | Type:
2025-09-06 00:34 UTC · MISS ALLIE
IMO: 0, MMSI: 367528420 | Type:
2025-09-05 23:55 UTC · THE JUDGE
IMO: 0, MMSI: 368170240 | Type:

Recent vessel departures from the port

Latest available transitions/port-call records (UTC). Total: 7
2025-09-15 13:17 UTC · THE JUDGE
IMO: 0, MMSI: 368170240 | Type:
2025-09-14 12:12 UTC · 'GORDON M STEVENS'
IMO: 0, MMSI: 369970732 | Type:
2025-09-08 16:01 UTC · DAVID STEGBAUER
IMO: 0, MMSI: 367384680 | Type:
2025-09-08 16:01 UTC · WANDA ISABELLE
IMO: 0, MMSI: 367721050 | Type:
2025-09-08 08:43 UTC · 'GORDON M STEVENS'
IMO: 0, MMSI: 369970732 | Type:
2025-09-06 00:34 UTC · MISS ALLIE
IMO: 0, MMSI: 367528420 | Type:
2025-09-05 23:55 UTC · THE JUDGE
IMO: 0, MMSI: 368170240 | Type:

Shipping companies (lines) whose ships most often called at the port Port Byron:

No companies linked yet.

Port summary

Port congestion score

Loading congestion data…

Vessel type distribution for the last 3 months:

Unknown · 5 calls (55.6%)
Towing · 2 calls (22.2%)
Navigation Aid · 1 calls (11.1%)
Tug · 1 calls (11.1%)

Most frequent incoming origins

No route destination distribution yet.

Most frequent outgoing destinations


Vessels currently in port

Detected by latest AIS in the extended port area, latest 72 hours (deduplicated by vessel).

US flagCLEVA LEE
Type: Towing | IMO: 0, MMSI: 368065440 | AIS: 2026-06-10 11:54:02 UTC
'MARY ELLEN'
Type: Unknown | IMO: 0, MMSI: 366987010 | AIS: 2026-06-10 06:19:45 UTC
'LOUISIANA SUN'
Type: Unknown | IMO: 0, MMSI: 366970760 | AIS: 2026-06-10 06:19:44 UTC
US flagBETTENDORF
Type: Unknown | IMO: 0, MMSI: 368926043 | AIS: 2026-06-10 06:19:42 UTC
US flagJOSEPH PATRICK ECKST
Type: Unknown | IMO: 0, MMSI: 367638130 | AIS: 2026-06-10 06:19:37 UTC
US flagCELEBRATION BELLE
Type: Base Station | IMO: 0, MMSI: 367335590 | AIS: 2026-06-10 06:18:53 UTC
US flagL&D 14
Type: Navigation Aid | IMO: 0, MMSI: 993660691 | AIS: 2026-06-10 06:18:13 UTC
MMSI 338528502
Type: Unknown | IMO: 0, MMSI: 338528502 | AIS: 2026-06-10 00:53:35 UTC
WANDA ISABELLE
Type: Unknown | IMO: 0, MMSI: 367721050 | AIS: 2026-06-09 23:08:58 UTC
368199840
Type: Unknown | IMO: 0, MMSI: 368199840 | AIS: 2026-06-09 22:45:10 UTC
THOMAS KENNEDY
Type: Unknown | IMO: 0, MMSI: 367625430 | AIS: 2026-06-09 21:43:37 UTC
JAMES BRENNAN
Type: Unknown | IMO: 0, MMSI: 367625440 | AIS: 2026-06-08 22:12:06 UTC
US flagM/V MUSCATINE
Type: Towing | IMO: 0, MMSI: 369970629 | AIS: 2026-06-08 15:45:42 UTC

Expected arrivals

Forecast from transitions and inferred destination signals.


Port in news

Mentions from Topos news feed and spotlights.