St. Lawrence Seaway Management CorporationSt. Lawrence Seaway Management Corporation

Great Lakes Seaway Announces Port Winners of 2022 Season “Pacesetter Award”

June 21, 2023

2023 – #9 Lock 1 Ship Arrestor – Scheduled Maintenance

June 20, 2023

2023 – #10 Linehandler Training at MLO Locks

June 19, 2023

2023 – #8 Ships Equipped with Engine Power or Shaft Power Limitation Systems

June 7, 2023

2023 – #3: Speed Restriction for Pleasure Craft – Cancelled

May 17, 2023

2023 – #9 High Water Level Procedure at Iroquois Lock – Cancelled

May 17, 2023

2023 – #8 Speed Restrictions – MLO Section – Revision #2 (Cancelled 2023/09/22)

May 16, 2023

2023 – #8 Wharf 6 – Maximum Draft

May 15, 2023

2023 – #7 Increased Draft Due to Hogging

May 12, 2023

2023 – #2: Speed Restriction for Pleasure Crafts (cancelled 2023-05-17)

May 9, 2023

2023 – #7 Personnel Interfaces with Ships at the Locks in the Welland Canal – Revised

May 5, 2023

2023 – #6 Vessel Self-Spotting (VSS) System – Reminder

May 5, 2023

2023 – #7 Interfaces with Ships at Canadian Locks Under MARSEC 1 – Revised

May 5, 2023

The Visitor Center at Eisenhower Lock Remains Closed This Season, North Overlook Viewing Lot is Open

May 1, 2023

2023 – #6 Speed Restrictions – MLO Section – Revised (Cancelled 2023/05/16)

April 25, 2023

2023 – #5 High Water Level Procedure at Iroquois Lock (cancelled 2023-05-17)

April 20, 2023

2023 – #1: Pleasure Craft Lockage Season at the Canadian Locks

April 20, 2023

2023 – #1: Pleasure Craft Lockage Season in the Welland Canal

April 18, 2023

2023 – #5 East Flight Locks Out of Service – Revised

March 30, 2023

The Great Lakes St. Lawrence Seaway Development Corporation Names New Deputy Administrator

March 28, 2023

St. Lawrence Seaway Begins Navigation Season

March 23, 2023

65th Navigation Season Opens on the St. Lawrence Seaway, a key corridor in the North American Supply Chain

March 22, 2023

2023 – #4 Operation of Bridges 7A & 7B

March 20, 2023

2023 – #4 East Flight Locks Out of Service (Cancelled 2023/03/30)

March 17, 2023

2023 – #3 Personnel Interfaces with Ships at the Locks in the Welland Canal (Cancelled 2023/05/05)

March 17, 2023

2023 – #2 Ship Chandler Interfaces with Ships at the Wharves in the Welland Canal

March 17, 2023

2023 – #1 General Instructions

March 15, 2023

2023 – #3 Speed Restrictions – MLO Section (Cancelled 2023/04/25)

March 15, 2023

2023 – #2 Interfaces with Ships at Canadian Locks Under Marsec 1 (Cancelled 2023/05/05)

March 15, 2023

2023 – #1 General Instructions

March 15, 2023