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 handles 308,682 TEUs in September, highest monthly volume for the yearOctober 20, 2020
- NWSA TEU volumes decline 14% in August 2020September 18, 2020
- NWSA TEU volumes decrease 17% in July 2020August 19, 2020
- NWSA TEU volumes decline 16.4% in JuneJuly 17, 2020
- Global pandemic continues to impact NWSA cargo volumesJune 17, 2020
- NWSA container volumes in April slide 24% due to global pandemicMay 18, 2020
- NWSA’s March container volumes dip 22% due to COVID-19April 15, 2020
- NWSA February container volumes decline 3.1% year over yearMarch 16, 2020
- NWSA January container volumes drop after tariff-driven surgeFebruary 19, 2020
- NWSA container volumes dip 0.6% in 2019January 17, 2020
- YTD container exports up 3.5 percent while trade war impacts November volumesDecember 19, 2019
- NWSA’s total container volumes up nearly 3 percent for 2019November 18, 2019