🇯🇵 Japan
Pacific Ocean · Container Terminal
In the last 180 days, ArcNautical recorded 76 vessel arrivals at Tokyo, with Cargo accounting for 79% of port calls — higher than the Pacific Ocean regional average of 52%. Voyages from Tokyo in Japan cross the world's largest ocean basin, where route optimisation and weather routing have significant financial implications — a single transpacific crossing can consume hundreds of tonnes of fuel, and a one-knot speed variation over a 12-day voyage materially affects both cost and schedule. The western Pacific generates more tropical cyclones than any other basin (≈26 named storms annually), with typhoon season June–November producing winds above 150 knots and waves exceeding 15 metres. North Korea sanctions enforcement is a significant compliance concern: UN Security Council resolutions prohibit ship-to-ship transfers to DPRK vessels, and dark-activity (AIS disablement) is a common evasion signal in the East China Sea and Yellow Sea.
Across 76 distinct vessel arrivals, 76 carry a confirmed AIS ship-type code. The most common categories at Tokyo:
Tokyo falls under the Tokyo MoU. The Tokyo Memorandum of Understanding (Asia-Pacific) maintains the most active publicly-available regional PSC programme. Across the last 24 months, the Tokyo MoU detention dataset records 5,454 distinct vessel detentions (sourced from OpenSanctions, as of 2026-08-02). Vessel-level detention probability is computed by ArcNautical using flag performance, vessel age, deficiency history, and ownership opacity.
Last 10 vessel arrivals recorded by ArcNautical's AIS pipeline (last 90 days):
| Arrived | Vessel | Flag | Type |
|---|---|---|---|
| 2026-08-04 | AIMARU | 🇯🇵 JP | Tanker |
| 2026-08-04 | WAKASHIO MARU | 🇯🇵 JP | Tug |
| 2026-08-03 | PANSTAR GENIE NO.2 | 🇰🇷 KR | Cargo |
| 2026-08-02 | AIMARU | 🇯🇵 JP | Tanker |
| 2026-08-02 | SNL NANJING | 🇭🇰 HK | Cargo |
| 2026-08-01 | TS PENANG | 🇲🇭 MH | Cargo |
| 2026-08-01 | WAKASHIO MARU | 🇯🇵 JP | Tug |
| 2026-07-30 | WAKASHIO MARU | 🇯🇵 JP | Tug |
| 2026-07-30 | GLORY SHENGDONG | 🇭🇰 HK | Cargo |
| 2026-07-30 | MILD TEMPO | 🇭🇰 HK | Cargo |
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