Track any container moving through Seattle and see the port's real activity: carriers calling, scheduled connections, and a measured congestion signal. Four independent lenses on every shipment.
The fastest way to follow a container through Seattle is to enter your reference at trackingmcp.com/ports/ussea. TrackingMCP detects the carrier and format, then shows carrier milestones, live vessel position, the published schedule, and a forecast ETA on one screen; DCSA-normalised across 241+ ocean lines.
Any carrier calling Seattle: we detect the line and format automatically.
Daily signal, 9 July 2026 to 7 October 2026; dashed line marks the port's typical baseline.
As of 2 October 2026, port-call throughput at Seattle was 21% above its typical baseline, on 11 calls in the trailing 7 days. Derived from AIS port-call observations; inside the tracker this signal refreshes continuously and feeds each shipment's ETA-at-risk flag.
Seattle appears in 6,797 scheduled port calls in TrackingMCP's sailing database (January 2025 to March 2028 schedule window), with 17 carriers we track calling the port. Track any of them by container, bill of lading, or booking number.
USSEA. The five-character UN/LOCODE (US for United States, plus SEA) identifies Seattle in carrier schedules, booking confirmations, and tracking feeds worldwide.
Enter your container number, bill of lading, or booking reference in the search box above. TrackingMCP auto-detects the carrier and format, then returns live carrier events, the vessel's AIS position, and a forecast ETA. Your first shipment is free, no account needed to start.
CMA CGM, COSCO, OOCL lead the 17 carriers with scheduled sailings calling Seattle in TrackingMCP's sailing database. Each line links to its own tracking page below.
As of 2 October 2026, AIS port-call data put Seattle's 7-day throughput 21% above its typical baseline, on 11 port calls in 7 days; the signal level reads moderate. Signals refresh continuously inside the tracker; this page shows the snapshot from its last build.
Busan, Dalian Zhoushuizi International Apt, Ningbo, Shanghai, Qingdao, Xiamen see the most scheduled sailings to and from Seattle in TrackingMCP's sailing database.
Free time is set by each carrier's tariff for United States, not by the port. The TrackingMCP free-time reference lists published demurrage and detention free days for United States by carrier, and the tracker watches the free-time clock on every shipment.