MarineRadar — Home
HubNews & TrendsForumVesselLighthousePort
Sign inDownload
Google PlayApp Store
Download
✕
HubNews & TrendsForumVesselLighthousePort
Sign in
Japan flag

TOMOWA MARU — Tanker · IMO 9853371

JPUnder way using engine
World map showing the last known position of TOMOWA MARU at 34° 29.011' N, 133° 45.075' E
NSEW
Current PositionLive

TOMOWA MARU is currently under way in the Sea of Japan, at 34.4835° N, 133.7512° E, making 0.1 knots on a course of 285°. It is sailing from TAMANO to MIZUSHIMA with an ETA of 8 Sep 2026, 08:09 UTC. AIS position received 8 Sep 2026, 21:20 UTC.

Show in Map
Updated 7 minutes ago using terrestrial data
Live Satellite · latest position

See where TOMOWA MARU is now

This fix came from a shore antenna, and those stop at the coast. Use a satellite credit to track this vessel in the deep sea.

$0.99 for 1 satellite position

Get satellite position · $0.99Save up to 60% with credit packs →
Under way using engine
Current Navigational Status
0.1 kn
Speed
285.0°
/ 353°
Course / Heading
3.9 m
Static Draught
3.4 m
Current Draught

Voyage Tracker

Japan flag
TAMANOJPTAM
ATD
07:04 UTCSep 8, 2026
ETA
08:09 UTCSep 8, 2026
TOMOWA MARU

TOMOWA MARU

Identity

Tanker
Type
Japan flagJP
Flag
9853371
IMO Number
431012056
MMSI
JD4446
Call Sign

Specifications

65 m × 10 m
Length × Breadth
2018-01-01
Year Built
1,160 t
Deadweight
499 t
Gross Tonnage
N/A
Engine Power
N/A
Builder
N/A
Class Society
Live tracking · 50,000+ mariners

Track TOMOWA MARU live on MarineRadar

Real-time AIS positions, voyage history, and arrival alerts for TOMOWA MARU — straight from your phone.

Live AIS positionsVoyage historyArrival alerts
Get the App

4.6 ★ · 18,000 reviews

Similar Vessels

Nearby vessels of the same type

Tanker

CAROLINE BEZENGI

Tanker

Tanker - Hazard D (Recognizable)

PINE GAS

Tanker - Hazard D (Recognizable)

Tanker

ELPIS

Tanker

Dive into the fleet, port, and flag state that TOMOWA MARU is part of.

Flag State
All JP-flagged vessels
Browse every ship currently registered under the JP flag, with live AIS positions.
Vessel Type
Browse all Tankers
See the global fleet of tankers tracked on MarineRadar with live AIS data.
Departure Port
Port of TAMANO
Port traffic, arrivals and live vessel positions for TAMANO (JPTAM).
Destination Port
Port of MIZUSHIMA
Arrivals, berth specifications, and live vessel traffic for MIZUSHIMA (JPMIZ).

About TOMOWA MARU

Identity · Ownership · Class · Route

TOMOWA MARU — Tanker

Built in 2018, with a gross tonnage of 499 GT, and a dead weight of 1,160 tonnes, TOMOWA MARU is a tanker registered under the Japan flag.

TOMOWA MARU route and voyage history

TOMOWA MARU is currently on a voyage from TAMANO to MIZUSHIMA with an estimated arrival on 2026-09-08T08:09:00Z. The live route and current course of TOMOWA MARU are shown on the bridge map above, updated whenever the vessel is in range of a coastal AIS receiver or a satellite pass.

Vessel class and identifiers

Vessels in the same class as TOMOWA MARU can be seen in the Similar Vessels section above or in the full tanker fleet at /vessel-type/tanker.

  • MMSI: 431012056
  • IMO: 9853371
  • Call sign: JD4446
  • Vessel type: Tanker
  • Flag state: Japan

Frequently Asked Questions

Where is TOMOWA MARU right now?+
TOMOWA MARU is currently under way in the Sea of Japan, within the Japan / Korea shipping lane. It is sailing from TAMANO to MIZUSHIMA with an ETA of 8 Sep 2026, 08:09 UTC. Its exact coordinates, speed and ETA are shown at the top of this page and refresh from the latest AIS broadcast.
What are the identifiers for TOMOWA MARU?+
TOMOWA MARU broadcasts MMSI 431012056 and is registered as IMO 9853371, with call sign JD4446. The MMSI is the radio identifier used by AIS; the IMO number stays with the ship for life and does not change with re-flagging or sale.
What type of ship is TOMOWA MARU?+
TOMOWA MARU is classified as a tanker vessel registered under the JP flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full tanker fleet at /vessel-type/tanker and full JP flag list at /flag/jp.
How can I see the live position of TOMOWA MARU?+
MarineRadar shows the latest AIS broadcast from TOMOWA MARU above, with current position, course, speed, and navigation status. Tap "View on map" to centre the live tracker on the vessel and watch its movement update in real time. The same data is available offline-friendly in the iOS and Android apps.
How often is TOMOWA MARU's position updated?+
AIS transponders broadcast position every 2 seconds when underway at high speed and up to every 3 minutes at anchor. The position you see refreshes whenever the ship is in range of a coastal AIS receiver or a satellite pass — typically seconds in coastal waters and minutes offshore.
What class is TOMOWA MARU?+
As a tanker, TOMOWA MARU sits in the same design class as the other tankers listed in the Similar Vessels section of the vessel page, or in the full tanker directory at /vessel-type/tanker. TOMOWA MARU has a gross tonnage of 499 GT.

TOMOWA MARU — Key Facts

MMSI
431012056
IMO number
9853371
Call sign
JD4446
Vessel type
Tanker
Flag state
JP
Navigation status
Under way using engine
Current speed
0.1 knots
Course over ground
285.0°
Heading
353°
Last known position
34.4835°, 133.7512°
Destination
MIZUSHIMA
ETA
2026-09-08T08:09:00Z
Departure port
TAMANO
Actual time of departure
2026-09-08T07:04:00Z
Current draught
3.4 m
Maximum static draught
3.9 m
Year built
2018-01-01
Gross tonnage
499
Dead weight
1160 t
AIS last updated
2026-09-08T21:20:00Z