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2026 – #9 Bridge 21 – Ongoing Assessments and Potential Delays

April 20, 2026

2026 – #8 Request to Reduce Speed in Sensitive Areas

April 17, 2026

2026 – #1: 2026 Pleasure Craft Lockage Season (Canadian Locks)

April 17, 2026

Update on Clarence Street Bridge (Bridge 21) in Port Colborne

April 17, 2026

2026 – #1: 2026 Pleasure Craft Lockage Season in the Welland Canal

April 17, 2026

Incident at Clarence Street Bridge (Bridge 21) in Port Colborne

April 16, 2026

2026 – #8 West Flight Locks Back in Service (This notice rescinds Notice to Shipping #6)

April 7, 2026

2026 – #6 Cancellation of Transit Restrictions at Opening

April 2, 2026

2026 – #5 Maximum Permissible Draft – Montreal to Lake Ontario

April 2, 2026

2026 – #7 Work on Valleyfield Bridge (Bridge 10) – April 11-12, 2026

April 2, 2026

2026 – #7 Revised Shallow Depths and Associated Restrictions in the Welland Canal

April 1, 2026

2026 Opening – Seaway Radio Message #9

April 1, 2026

2026 Opening – Seaway Radio Message #8

March 31, 2026

2026 – #6 West Flight Locks Out of Service(Cancelled 2026/04/07)

March 31, 2026

2026 Opening – Seaway Radio Message #7

March 30, 2026

2026 Opening – Seaway Radio Message #6

March 27, 2026

2026 Opening – Seaway Radio Message #5

March 26, 2026

2026 Opening – Seaway Radio Message #4

March 25, 2026

Trump’s Transportation Department Celebrates Opening Season for St. Lawrence Seaway

March 24, 2026

2026 Opening – Seaway Radio Message #3

March 24, 2026

2026 – #4 Transit Restrictions at Opening (Revised 2026/04/02)

March 23, 2026

The St. Lawrence Seaway Opens 68th Navigation Season, Celebrating Bi-national Leadership and a Vital Trade Corridor

March 23, 2026

2026 Opening – Seaway Radio Message #2

March 23, 2026

2026 – #6 Speed Restrictions – MLO Section

March 20, 2026

2026 Opening – Seaway Radio Message #1

March 20, 2026

2026 – #5 Bunkering and Transfer of Chemicals/Sludge at Wharf 2 & Wharf 16

March 19, 2026

2026 – #5 Operations of Bridges 7A & 7B

March 19, 2026

2026 – #4 Opening Ceremony at Lock 3 – March 24, 2026

March 19, 2026

2026 – #3 Personnel Interfaces with Ships at the Locks in the Welland Canal

March 19, 2026

2026 – #2 Ship Chandler Interfaces with Ships at the Wharves in the Welland Canal

March 19, 2026