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Port Shonai

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

How many vessels are in Shonai port?
There are currently 2 vessels in port and 1 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.

JP flag DEWA MARU

Vessel type: Tug | IMO: 9682710 | MMSI: MMSI: 431004891
Call sign: JD3572
Current Status

Where is the vessel?

DEWA MARU is currently in Near Sakata, based on AIS data received about 2d ago.

Latest AIS update:

Current position: 38.92792° N, 139.80739° E (Near Sakata)

Average speed (last 7 days): Loading…

Average speed (last 30 days): Loading…

Vessel profile: DEWA MARU is a Tug with dimensions m x m.

This page combines live AIS, route history, probable destination signals, nearby traffic, and port activity for practical vessel monitoring.

The current position of vessel DEWA MARU is 38.92792 lat / 139.80739 lng. Updated: 2026-03-24 01:51:23 UTC
Nearest reference points:
  • Near Shiogama
  • Near ISHINOMAKI
  • Near ONAGAWA

Currently sailing under the flag of Japan JP flag

DEWA MARU built in 2013 year

Deadweight:
79 t

Details:

Live Vessel DEWA MARU Analytics (details, animations, etc.)


Recent AIS points (UTC):
2026-03-24 01:51:23 UTC · 38.92792, 139.80739 · SOG 1 kn · COG 32°

Track of the vessel in the last 28 days


Most frequent incoming origins

No route destination distribution yet.

Most frequent outgoing destinations

Omi · 1


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


Link to the map:


Find another ship

Recent vessel arrivals at the port

Latest available transitions/port-call records (UTC). Total: 1
2025-09-08 18:39 UTC · 431003523
IMO: 0, MMSI: 431003523 | Type:

Recent vessel departures from the port

Latest available transitions/port-call records (UTC). Total: 1
2025-09-08 18:39 UTC · 431003523
IMO: 0, MMSI: 431003523 | Type:

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

No companies linked yet.

Port summary

Port congestion score

Loading congestion data…

Vessel type distribution for the last 3 months:

Tug · 2 calls (50%)
Fire-Fighting Vessel · 1 calls (25%)
Unknown · 1 calls (25%)

Most frequent incoming origins

No route destination distribution yet.

Most frequent outgoing destinations

Omi · 1

Vessels currently in port

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

JP flagShinkomaru-No.18
Type: General Cargo Ship | IMO: 9698680, MMSI: 431005083 | AIS: 2026-03-26 08:20:35 UTC
JP flagDEWA MARU
Type: Tug | IMO: 9682710, MMSI: 431004891 | AIS: 2026-03-24 03:51:23 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.

No recent port mentions found in Topos news/spotlights.