We are a leading container gateway in the United States. The Northwest Seaport Alliance handled nearly $76 billion of waterborne trade with 176 trading partners globally in 2024. Marine cargo operations at NWSA facilities support over 52,000 jobs and drives $14 billion in business output for Washington state*. On this page, you can find monthly and historical cargo by business sector. In-depth statistics for previous years can also be found in our annual trade reports, below. Cargo volumes are for NWSA-managed facilities unless otherwise indicated.
* Community Attributes Economic Impact Analysis, July 2025
Volume data
Annual Trade Reports
Recent monthly cargo reports
- NWSA September imports, exports rise; total volumes flat for the yearOctober 17, 2016
- NWSA August container volumes grow, but total volumes flat for the yearSeptember 16, 2016
- Northwest Seaport Alliance July volumes hint at start of peak seasonAugust 17, 2016
- Northwest Seaport Alliance import container volumes see boost in JuneJuly 19, 2016
- Puget Sound gateway container volumes normalize in MayJune 21, 2016
- Despite export boost, NWSA container volumes flat through AprilMay 17, 2016
- Auto, container volumes at Northwest Seaport Alliance grow in first quarterApril 18, 2016
- Puget Sound container volumes post double-digit gains in FebruaryMarch 17, 2016
- New year kicks off with NWSA container volumes gainsFebruary 12, 2016
- Northwest Seaport Alliance tops 3.5 million containers in 2015January 21, 2016
- Strong exports drive continued growth in NWSA container volumesDecember 16, 2015
- Seaport alliance container volumes top 3 million in OctoberNovember 18, 2015