#1 – General Instructions

March 28, 2018

#7 – SLSMC Security Monitoring

March 26, 2018

#5 – Notification Requirement for Use of Lines at HFM Locks (Cancelled 2018/06/25)

March 19, 2018

#4 – General Notice

March 19, 2018

#3 – Communications

March 19, 2018

#2 – Mooring and Casting off In Locks

March 19, 2018

#7: Radio on low power at locks

March 19, 2018

#6: Operation of Bridges 7A & 7B (Cancelled 2018/10/29)

March 19, 2018

#5: Reminder – Speed Reduction at the Port of Valleyfield

March 19, 2018

#4: Walk-through Lockages at Iroquois Lock

March 19, 2018

#3: High Spots – U.S. Sector IV

March 19, 2018

#2: High Spots at Galop Island (Cancelled 2018/03/29)

March 19, 2018

#1: Final Mooring Position Tolerances for Full Sized Vessels Using HFM

March 19, 2018

#1 – Pleasure Crafts Lockage Schedule

March 14, 2018

#1 – Opening of the 2018 Navigation Season and Maximum Allowable Drafts

February 20, 2018

2018 – St. Lawrence Seaway Wharfage Charges

January 29, 2018

Seaway Wraps Up Navigation Season

January 16, 2018

Seaway Tolls to Increase by 1.0% in 2018

January 15, 2018

#28 – Closure of the 2017 Navigation Season

January 12, 2018

Final Update on Seaway Closing

January 12, 2018

Restriction of Recreational Activities

January 10, 2018

Update on Seaway Closing

January 9, 2018

Update on Federal Biscay

January 6, 2018

Update on Seaway Closing

January 5, 2018

Update on Seaway Closing

January 3, 2018

#27 – Closing of Navigation 2017 – Changes in Special Agreement Date and Closing Date for the Welland Canal

December 29, 2017

#33: High Spots at Galop Island – Revised

December 18, 2017

#32: Linehandler training at MLO locks – Revised

December 8, 2017

Saint Lawrence Seaway Development Corporation Honors Employees with Administrator’s Awards

November 30, 2017

#31: Linehandler training at MLO locks (Cancelled 2017/12/08)

November 29, 2017