Ahead of the 7th China International Import Expo (CIIE), Shanghai's tiered waterway traffic controls started October 25 and run through November 10, upgrading from Level 3 to Level 2 on November 1 (per maritime control information compiled by industry monitoring). The controlled zone spans the Huangpu River between the Minpu Bridge and Buoy No. 105, split into core, peripheral and outer zones: vessels carrying explosives, radioactive materials or highly toxic goods, and single-hull tankers transiting with bulk liquid dangerous goods are barred from entry; from November 1-10, foreign-flagged vessels entering the zone must also undergo special security inspections. For the China-Japan lane, the direct implication is reduced certainty on berthing and dangerous-goods acceptance for Shanghai departures in the first week of November.
Origin-port "long-tail congestion" deserves equal attention. Industry port monitoring (Wikeyun-type platform data, October 30) shows Shanghai received 312 vessels over the past 7 days, 78 of them (25%) staying beyond 48 hours with a median dwell of 29 hours; Ningbo received 247 vessels with 80 (32%) over 48 hours and a median of 31 hours — the two ports' long-tail shares jumped from 19%/7% to 25%/32% in a single day, rated "busy." On top of this, the Yangtze Estuary Waterway Administration announced on October 29 that from November 1-30 it will carry out non-closure dredging along the full 12.5m deepwater channel and the middle section of the South Channel with 10 dredgers — so navigation efficiency for Shanghai departures could be disturbed all month.
Destination ports in Japan, by contrast, have stayed fully clear for a fifth straight period: Tokyo received 81 vessels in the past 7 days with only 4% staying beyond 48 hours and a median dwell of 19 hours; Hitachinaka saw 13 vessels with a 9-hour median; Yokohama's median is 16 hours and Osaka's 13 (industry monitoring data). The bottleneck at major Japanese ports has consistently been landside yard storage rather than waterside queues — for Kanto consignees, demurrage/detention risk outweighs schedule risk, and this week remains a relatively easy pickup window. Also note: Typhoon In-Fa (No. 31) poses no threat to China's coast but will disturb waters south of Japan on November 1-5, and swells off Kanto could affect berthing rhythms on some sailings.
Our advice: first, for dangerous-goods and chemical cargo departing Shanghai on November 1-10 (especially Kansai-bound), complete loading before October 31 or switch to direct loading at Taichang or Ningbo to avoid "space without stowage" or anchorage waits; second, allow time for foreign-flag security inspections and a 1-1.5 day cut-off buffer; third, for direct-call services to Hitachi/Kashima in November, write a 1-2 day weather allowance into transit-time clauses; fourth, keep booking Japan-lane space 7-10 days ahead through mid-November.
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