2025 – #3 Operations of Bridges 7A & 7B (Revised 2025/03/27)

March 13, 2025

2025 – #2 Interfaces with Ships at Canadian Locks Under MARSEC 1

March 13, 2025

2025 – #1 General Instructions

March 13, 2025

Ice-Clearing Activities Along The St. Lawrence River

March 7, 2025

St. Lawrence Seaway Cargo Movements Total 37 Million Tonnes During 2024 Navigation Season

February 28, 2025

2025 – #2 Opening / Closing Dates of the 2025 Navigation Season and Maximum Allowable Drafts

February 20, 2025

2025 – #1 Ship Inspection Fees

February 4, 2025

2025 Increase of Seaway Tariffs

January 20, 2025

2024 – #21 Planned Outage at Lock 7 – Revised

January 6, 2025

2024 – #20 Planned Outage at Lock 7 – Revised (Cancelled 2025/01/06)

January 2, 2025

Notice of Upcoming Work at Lock 8 and Potential Noise Impacts

December 23, 2024

2024 – #33 Speed Restrictions – MLO Section – Revision #8

December 12, 2024

St. Lawrence Seaway Cargo Movements Top 32 Million Tons through November

December 10, 2024

2024 – #32 Speed Restrictions – MLO Section – Revision #7

December 6, 2024

2024 – #31 Linehandler Training at MLO

December 6, 2024

The St. Lawrence Seaway Invests Over $350 Million in Infrastructure to Strengthen Supply Chain

December 2, 2024

2024 – #19 Planned Outage at Lock 7 (Cancelled 2025/01/02)

November 29, 2024

Historic Robinson Bay Tugboat Transferred to Great Lakes Maritime Academy

November 22, 2024

2024 – #18 Scheduled Outage at Lock 7

November 14, 2024

St. Lawrence Seaway Cargo Movements Show Positive October Uptick, Reflecting Strong Demand in Key Sectors

November 13, 2024

2024 – #30 Linehandler Training at MLO

November 8, 2024

2024 – #17 Wharf 18-2 – Informational Update

October 29, 2024

2024 – #29 Lake St. Louis High Spots

October 29, 2024

2024 – #28 Speed Restrictions – MLO Section – Revision #6

October 29, 2024

2024 – #27 Riprap Work Below Saint-Lambert Lock

October 25, 2024

2024 – #26 Speed Restrictions – MLO Section – Revision #5 (Revised 2024/10/29)

October 15, 2024

2024 – #13 Revised – Tie-Up at Approach Walls at Canadian Locks

October 15, 2024

2024 – #25 Speed Restrictions – MLO Section – Revision #4 (Revised 2024/10/15)

October 15, 2024

2024 – #12 Closing of the 2024 Navigation Season

October 15, 2024

The St. Lawrence Seaway Reports September Tonnage Results and Highlights Available System Capacity

October 8, 2024