The Northwest Seaport Alliance (Seattle + Tacoma) Weekly Volumes & Metrics Report 10/06/25

For the last full week in September, the week ending on September 26th, all metrics showed improvement from the previous week but were still down compared to the September 2024 weekly average. 

International imports were up 29.2% from the week before and down 8.7% from the September 2024 weekly average. Truck transactions were up 10.1% from the week before and down 8.2% compared to the September 2024 weekly average. Vessel lifts were up slightly, 2.3%, and down 8.1% for those respective metrics. 

You can find the previous week’s report here. You can find the full vessel schedule, including the 4 week look ahead and breakdown by harbor, here.

Vessel Calls

Week Ending September 19 – 12 Voyages (1 Void, 2 Delay) 

Week Ending September 26 – 12 Voyages (1 Void, 1 Delay) 

Week Ending October 3 – 12 Voyages (2 Void) 

Week Ending October 10 – 11 Voyages (1 Void) 

Weekly International Import Containers

Week Ending September 26 – 15,460 containers imported  

20.2% vs 2025 YTD (12,860)  

13.7% vs 2024 Weekly Average (13,592)  

-8.7% vs September 2024 Weekly Average (16,936) 

Weekly Truck Transactions (Containers In/Out of Terminal via Truck)

Week Ending September 19 – 25,910 truck transactions  

7.6% vs 2025 YTD Average (24,078)  

-8.2% vs September 2024 Weekly Average (28,215)

Weekly Vessel Lifts (Containers On/Off a Vessel)

*Includes Empty Container Moves   

Week Ending September 19 – 26,888 

-0.8% vs 2025 YTD Average (27,105)  

-8.1% vs September 2024 Weekly Average (29,261)