Seaway Cargo Traffic Rises 2.6% in August

By GLSR Staff  |  Latest News
Cargo traffic on the St. Lawrence Seaway increased 2.6% year over year in August 2026, reaching 20.74 million metric tons compared with 20.208 million metric tons in August 2025, according to monthly traffic results from The St. Lawrence Seaway Management Corporation (SLSMC).  

Dry bulk traffic posted the largest increase among the cargo categories, rising 16.98% to 7.421 million metric tons from 6.344 million metric tons a year earlier. 

Grain traffic declined 3.28%, falling to 6.108 million metric tons from 6.315 million metric tons. Iron ore shipments decreased 5.41% to 2.944 million metric tons, while coal traffic fell 0.74% to 735,000 metric tons. 

Liquid bulk traffic was essentially unchanged at 2.352 million metric tons, compared with 2.352 million metric tons in 2025. 

General cargo traffic declined 12.29%, from 1.312 million metric tons in August 2025 to 1.151 million metric tons in August 2026. 

Vessel transits increased 7.1% year over year. The Seaway recorded 2,309 transits in August 2026, up from 2,156 in August 2025, an increase of 153 transits.  

Feature photo: Port of Hamilton

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