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Port Seto

Where is the Port?
SETO is located near the monitored sea lanes. The official UN/LOCODE of this port is JPSET.

How many vessels are in Seto port?
There are currently 51 vessels in port and 9 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

No route destination distribution yet.


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: 9
2025-09-15 12:47 UTC · JP flagYASHIMA MARU
IMO: 9094224, MMSI: 431402025 | Type: General Cargo Ship
2025-09-15 05:44 UTC · '431600516'
IMO: 0, MMSI: 431600516 | Type:
2025-09-15 05:44 UTC · 'DAI23FUKUMARU'
IMO: 0, MMSI: 431600607 | Type:
2025-09-14 13:04 UTC · SHINYOMARU NO.2
IMO: 9159608, MMSI: 431600639 | Type:
2025-09-14 11:54 UTC · JP flagASAHI
IMO: 9837896, MMSI: 431008081 | Type: Tug
2025-09-08 18:39 UTC · NO3MATHUMARU
IMO: 0, MMSI: 431007563 | Type:
2025-09-08 18:39 UTC · JP flagFUKUHO MARU NO. 2
IMO: 9267182, MMSI: 431602118 | Type: Oil Products Tanker
2025-09-08 08:41 UTC · Seiryumaru
IMO: 9667667, MMSI: 431004176 | Type: General Cargo Ship
2025-09-08 08:41 UTC · JP flagTOMI MARU
IMO: 9128647, MMSI: 431600421 | Type: Tug

Recent vessel departures from the port

Latest available transitions/port-call records (UTC). Total: 9
2025-09-15 12:47 UTC · JP flagYASHIMA MARU
IMO: 9094224, MMSI: 431402025 | Type: General Cargo Ship
2025-09-15 05:44 UTC · '431600516'
IMO: 0, MMSI: 431600516 | Type:
2025-09-15 05:44 UTC · 'DAI23FUKUMARU'
IMO: 0, MMSI: 431600607 | Type:
2025-09-14 13:04 UTC · SHINYOMARU NO.2
IMO: 9159608, MMSI: 431600639 | Type:
2025-09-14 11:54 UTC · JP flagASAHI
IMO: 9837896, MMSI: 431008081 | Type: Tug
2025-09-08 18:39 UTC · NO3MATHUMARU
IMO: 0, MMSI: 431007563 | Type:
2025-09-08 18:39 UTC · JP flagFUKUHO MARU NO. 2
IMO: 9267182, MMSI: 431602118 | Type: Oil Products Tanker
2025-09-08 08:41 UTC · Seiryumaru
IMO: 9667667, MMSI: 431004176 | Type: General Cargo Ship
2025-09-08 08:41 UTC · JP flagTOMI MARU
IMO: 9128647, MMSI: 431600421 | Type: Tug

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

No companies linked yet.

Port summary

Port congestion score

Loading congestion data…

Vessel type distribution for the last 3 months:

Unknown · 8 calls (44.4%)
General Cargo Ship · 3 calls (16.7%)
Tug · 2 calls (11.1%)
Fishing Vessel · 2 calls (11.1%)
Cargo · 1 calls (5.6%)
Oil Products Tanker · 1 calls (5.6%)
Passenger/Ro-Ro Ship (vehicles) · 1 calls (5.6%)

Most frequent incoming origins

No route destination distribution yet.

Most frequent outgoing destinations

No route destination distribution yet.

Vessels currently in port

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

EISYOU MARU
Type: Unknown | IMO: 0, MMSI: 431013127 | AIS: 2026-03-29 21:48:38 UTC
'HARUMI MARU NO3'
Type: Unknown | IMO: 0, MMSI: 431009186 | AIS: 2026-03-29 18:01:59 UTC
August-Explorer
Type: Crane Ship | IMO: 9786487, MMSI: 431370000 | AIS: 2026-03-29 17:32:50 UTC
JP flagMARINE LINER
Type: Ro-Ro Cargo Ship | IMO: 9601819, MMSI: 431002524 | AIS: 2026-03-29 17:17:41 UTC
JP flagIsuzu-Maru
Type: Oil Products Tanker | IMO: 9665968, MMSI: 431004619 | AIS: 2026-03-29 15:53:40 UTC
SANNOU
Type: Unknown | IMO: 9843986, MMSI: 431011667 | AIS: 2026-03-29 15:53:39 UTC
JP flagGOKO MARU
Type: Not available | IMO: 1055791, MMSI: 431023786 | AIS: 2026-03-29 15:53:38 UTC
FUKIMARU NO7
Type: Unknown | IMO: 9250294, MMSI: 431401904 | AIS: 2026-03-29 15:53:38 UTC
JP flagMYOJIN MARU NO,63
Type: Tanker | IMO: 1073286, MMSI: 431028073 | AIS: 2026-03-29 15:53:36 UTC
JP flagMARIERA
Type: Passenger Ship | IMO: 9062453, MMSI: 431000697 | AIS: 2026-03-29 15:53:29 UTC
JP flagONAMI NO. 5
Type: General Cargo Ship | IMO: 9835472, MMSI: 431011258 | AIS: 2026-03-29 15:52:42 UTC
JP flagRYUGYOKU MARU
Type: General Cargo Ship | IMO: 9047697, MMSI: 431301337 | AIS: 2026-03-29 15:51:45 UTC
KANYOU NO22
Type: Unknown | IMO: 0, MMSI: 431006689 | AIS: 2026-03-29 15:51:06 UTC
JP flagDAIEI MARU NO. 3
Type: Tug | IMO: 9835501, MMSI: 431009883 | AIS: 2026-03-29 15:51:00 UTC
JP flagMARINE ACE
Type: Ro-Ro Cargo Ship | IMO: 9170987, MMSI: 431600804 | AIS: 2026-03-29 15:49:47 UTC
Nagasaki-Maru
Type: Research Vessel | IMO: 9816141, MMSI: 431891000 | AIS: 2026-03-29 15:44:05 UTC
Yokomaru
Type: Fishing Support Vessel | IMO: 9566863, MMSI: 432787000 | AIS: 2026-03-29 15:42:44 UTC
MMSI 431533000
Type: Unknown | IMO: 0, MMSI: 431533000 | AIS: 2026-03-29 15:35:31 UTC
Manyou
Type: Passenger Ro Ro Cargo Ship | IMO: 9610133, MMSI: 431002428 | AIS: 2026-03-29 11:54:57 UTC
JP flagPEGASUS 2
Type: Passenger Ship | IMO: 8922149, MMSI: 431018823 | AIS: 2026-03-29 10:45:17 UTC
MMSI 431999617
Type: Unknown | IMO: 0, MMSI: 431999617 | AIS: 2026-03-29 09:38:04 UTC
JP flagYUMIHARIMARU
Type: Unknown | IMO: 9510711, MMSI: 432646000 | AIS: 2026-03-29 09:38:02 UTC
JP flagSUMIFUKU MARU NO.18
Type: Tug | IMO: 0, MMSI: 431024891 | AIS: 2026-03-29 09:38:01 UTC
431028985
Type: Unknown | IMO: 0, MMSI: 431028985 | AIS: 2026-03-29 09:37:41 UTC
OOYODO
Type: Unknown | IMO: 0, MMSI: 431999507 | AIS: 2026-03-29 09:24:58 UTC
JP flagFUKUSHO MARU NO.18
Type: Unknown | IMO: 9893436, MMSI: 431014761 | AIS: 2026-03-29 08:55:59 UTC
431015251
Type: Unknown | IMO: 0, MMSI: 431015251 | AIS: 2026-03-29 04:16:53 UTC
JP flagKOYO MARU No. 8
Type: Fishing Vessel | IMO: 8948923, MMSI: 431401576 | AIS: 2026-03-29 04:13:54 UTC
JP flagDAIFUKU MARU
Type: General Cargo Ship | IMO: 9851177, MMSI: 431011122 | AIS: 2026-03-28 21:52:01 UTC
JP flagNEW YAMASHIRO
Type: Cargo | IMO: 0, MMSI: 431025613 | AIS: 2026-03-28 21:38:57 UTC
JP flagKAISEI NO. 88
Type: Fishing Vessel | IMO: 8820779, MMSI: 431601405 | AIS: 2026-03-28 19:48:30 UTC
Kizuna
Type: Cable Layer | IMO: 9805491, MMSI: 431485000 | AIS: 2026-03-28 18:00:42 UTC
TAISEIMARU
Type: Unknown | IMO: 0, MMSI: 431402033 | AIS: 2026-03-28 16:24:57 UTC
TAISEIMARU
Type: Unknown | IMO: 616904, MMSI: 431402033 | AIS: 2026-03-28 16:24:57 UTC
JP flagFUKUHOU MARU
Type: Oil Products Tanker | IMO: 9960095, MMSI: 431018621 | AIS: 2026-03-28 10:22:40 UTC
PANDORA
Type: Unknown | IMO: 0, MMSI: 431009912 | AIS: 2026-03-28 09:58:52 UTC
'HARUMIMARU'
Type: Unknown | IMO: 0, MMSI: 431002582 | AIS: 2026-03-28 07:38:19 UTC
'431600516'
Type: Unknown | IMO: 0, MMSI: 431600516 | AIS: 2026-03-28 07:37:16 UTC
JP flagMMSI 431023876
Type: Unknown | IMO: 0, MMSI: 431023876 | AIS: 2026-03-28 06:11:15 UTC
JP flagHASSHO MARU
Type: General Cargo Ship | IMO: 8982656, MMSI: 431501763 | AIS: 2026-03-28 06:07:10 UTC
'8HIDERIMARU'
Type: Unknown | IMO: 0, MMSI: 431601769 | AIS: 2026-03-28 03:46:17 UTC
3KAIYOUMARU
Type: Unknown | IMO: 0, MMSI: 431005444 | AIS: 2026-03-28 02:05:28 UTC
'DAI8 KYUEIMARU'
Type: Unknown | IMO: 0, MMSI: 431601116 | AIS: 2026-03-28 00:33:15 UTC
TAKAMARU NO5
Type: Unknown | IMO: 0, MMSI: 431008373 | AIS: 2026-03-27 19:48:48 UTC
JP flagNA
Type: Unknown | IMO: 0, MMSI: 431999694 | AIS: 2026-03-27 07:49:35 UTC
JP flagSHUNYO MARU
Type: Tug | IMO: 9281188, MMSI: 431602129 | AIS: 2026-03-27 05:56:45 UTC
YACHT ONDINE3
Type: Unknown | IMO: 0, MMSI: 431002866 | AIS: 2026-03-27 03:42:24 UTC
JP flagE-OSHIMA
Type: Passenger/Ro-Ro Ship (vehicles) | IMO: 9892016, MMSI: 431013103 | AIS: 2026-03-27 02:19:31 UTC
Orion
Type: Cable Layer | IMO: 9672674, MMSI: 431004877 | AIS: 2026-03-27 01:13:54 UTC
'431300436'
Type: Unknown | IMO: 0, MMSI: 431300436 | AIS: 2026-03-27 00:11:43 UTC
MMSI 431999618
Type: Unknown | IMO: 0, MMSI: 431999618 | AIS: 2026-03-26 23:52:44 UTC

Expected arrivals

Forecast from transitions and inferred destination signals.

No expected arrivals found for next 10 days.

Port in news

Mentions from Topos news feed and spotlights.

Osaka Gas to launch STS LNG bunkering service in April
Hellenic Shipping News · 2026-03-16 11:00:49
Japanese utility company Osaka Gas plans to start ship-to-ship (STS) LNG bunkering operations in Japan next month using its new LNG bunkering vessel, Seto Azure. The vessel is being constructed at Shitanoe Shipbuilding in Usuki City, Oita Prefecture, and is expected to commence operations next month. Once operational, Seto Azure will supply LNG to LNG-capable ...
Osaka Gas to launch STS LNG bunkering service in April
sanctions_shadow_enforcement · 2026-03-16 11:00:49
Japanese utility company Osaka Gas plans to start ship-to-ship (STS) LNG bunkering operations in Japan next month using its new LNG bunkering vessel, Seto Azure. The vessel is being constructed at Shitanoe Shipbuilding in Usuki City, Oita Prefecture, and is expected to commenc...
Osaka Gas Japanese LNG Bunkering Vessel Set for April Launch
people_culture · 2026-03-09 01:02:00
Japanese gas utility firm Osaka Gas Co has named its new LNG bunkering vessel Seto Azure ahead of the launch of its ship-to-ship LNG bunkering service next month in Japan. The vessel is currently ...