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Under wayChemical Tanker

SEIWA MARU

🇯🇵 Japan · IMO 9033749 · MMSI 431100283

StatusUnder way using engine
Speed / Course11.6 kn · 339°
DestinationYOKOHAMA
ETA2026-08-20 18:00 UTC
Draught3.6 m
Position received3 hours ago

Position & past track

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Blue line shows the last 3 days of movement. White dots mark stops.

Current voyage

DepartureYOKOHAMA2026-08-18 09:18 UTC
86% of scheduled passage elapsed
ArrivalYOKOHAMA2026-08-20 18:00 UTC

Voyage intelligence

Analysing the last 7 days of movement…

Summary

Where is the ship?
SEIWA MARU is at 33.9558, 131.6461 bound for YOKOHAMA, reported 3 hours ago.
What kind of ship is this?
A Chemical Tanker under the flag of Japan, 59 m LOA × 10 m beam, built 1991.

Latest AIS information

Navigational statusUnder way using engine
Position received3 hours ago
Latitude / Longitude33.95576, 131.64610
Speed11.6 kn
Course339°
Draught3.6 m
Reported destinationJP MNX OFF
Reported ETA2026-08-20 18:00 UTC

Vessel particulars

NameSEIWA MARU
Vessel typeChemical Tanker
Flag🇯🇵 Japan
IMO number9033749
MMSI431100283
Call signJG5074
Length overall59 m
Beam10 m
Gross tonnage446
Year built1991

Port call log

Derived from SEIWA MARU's own AIS track over the last 30 days — stops of 1.5 hours or more within 12 nm of a known port or yard.

YokohamaJapan
2026-08-17 23:08 UTCstayed 9 h
YokohamaJapan
2026-08-17 20:07 UTCstayed 2 h
NagoyaJapan
2026-08-16 07:48 UTCstayed 14 h
YokohamaJapan
2026-08-09 05:12 UTCstayed 2 h
YokohamaJapan
2026-08-08 20:39 UTCstayed 7 h
YokohamaJapan
2026-07-29 08:11 UTCstayed 12 h
YokohamaJapan
2026-07-29 04:40 UTCstayed 2 h
KobeJapan
2026-07-22 03:40 UTCstayed 18 h

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