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 container volumes see 4 percent increase through SeptemberOctober 18, 2017
- August container volumes see 6 percent increaseSeptember 19, 2017
- July container volumes show 5 percent increase year to dateAugust 22, 2017
- Total year-to-date container volumes up 7 percent July 26, 2017
- NWSA handles record May international container volume June 21, 2017
- NWSA year-to-date container volumes grow 8 percentMay 18, 2017
- First quarter international container volumes strongest since 2005April 20, 2017
- NWSA container volumes up 8% despite fewer sailings during Lunar New YearMarch 21, 2017
- NWSA volumes off to strong start; total international TEU volumes grow nearly 18%February 17, 2017
- NWSA 2016 container volumes reach 3.6 million, highest level since 2007January 19, 2017
- Solid peak season delivers highest container volumes over the last five yearsDecember 16, 2016
- NWSA sees strongest container volumes in four yearsNovember 22, 2016