Notices to Shipping – Montreal/Lake Ontario

2026 – #6 Speed Restrictions – MLO Section

March 20, 2026

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

March 19, 2026

2026 – #4 Opening Ceremony at St. Lambert Lock – March 23, 2026

March 18, 2026

2026 – #3 Final Mooring Position Tolerances for Full Sized Ships Using HFM

March 18, 2026

2026 – #2 Interfaces with Ships at Canadian Locks Under MARSEC 1

March 18, 2026

2026 – #1 General Instructions

March 18, 2026

2025 – #39 Speed Restrictions – MLO Section – Revision #5

November 13, 2025

2025 – #38 Temporary Change to Deliveries at St. Lambert Lock

November 7, 2025

2025 – #37 Linehandler Training at MLO and GLS Locks – Revision #1

November 6, 2025

2025 – #36 Low Water Levels Below St. Lambert Lock

November 5, 2025

2025 – #35 Linehandler Training at MLO and GLS Locks (Revised 2025/11/06)

November 3, 2025

2025 – #34 Temporary Increase of Lake Ontario Outflows

October 16, 2025

2025 – #33 Speed Restrictions – MLO Section – Revision #4 (Revised 2025/11/13)

October 16, 2025

2025 – #32 Linehandler Training at MLO and GLS Locks

October 3, 2025

2025 – #31 Longitudinal Hydraulic Assistance Tests at Côte Ste. Catherine Lock

September 4, 2025

2025 – #30 Commissioning Completed – Hands Free Mooring System at Iroquois Lock

August 22, 2025

2025 – #29 Speed Restrictions – MLO Section – Revision #3 (Revised 2025/10/16)

August 19, 2025

2025 – #28 Speed Restrictions – MLO Section – Revision #2 (Revised 2025/08/19)

August 12, 2025

2025 – #27 Speed Restrictions – MLO Section Revision #1 (Revised 2025/08/12)

August 8, 2025

2025 – #26 Low Water Levels St-Louis Lake (Revised 2025/08/08)

August 5, 2025

2025 – #25 Ships Only Permitted to Use Radar Set on Short Range of Three Nautical Miles or Less at Locks – Revision #1

July 15, 2025

2025 – #24 New Access Procedure at Iroquois Lock

July 14, 2025

2025 – #23 Water Flows Unavailable for Moses-Saunders, Pointe des Cascades, Carillon and Beauharnois

July 2, 2025

2025 – #22 Water Flows Unavailable for Moses-Saunders, Pointe des Cascades, Carillon and Beauharnois

June 30, 2025

2025 – #21 Linehandler Training at MLO and GLS Locks

June 30, 2025

2025 – #20 Brockville Fireworks

June 27, 2025

2025 – #19 Request to Reduce Speed – Copeland Cut

June 26, 2025

2025 – #18 Ships Only Permitted to Use Radar Set on Short Range of Three Nautical Miles or Less at Locks (Revised 2025/07/15)

June 26, 2025

2025 – #17 Fireworks at La Ronde – Port of Montreal

June 24, 2025

2025 – #16 Meeting Restrictions for a Deadship Leaving the Port of Montreal

June 20, 2025