St. Lawrence Seaways Opens for 2025
ST. CATHARINES (March 25, 2025) – The St. Lawrence Seaway Management Corporation (SLSMC)officially launched its 67th navigation season today with a ceremony held at the St. CatharinesMuseum and Welland Canals…
St. Lawrence Seaway: Foreign Ship Inspection Program
The following is a reminder of the Seaway Ship Inspection program for foreign ships. The processes are the same as the previous season. Enhanced Ship Inspections (ESI – physical ship…
St Lawrence Seaway: Maximum Permissible Draft (Montreal to Lake Ontario)
As per Seaway Notice 08/2025, Mariners are advised that as of March 31st, 2025, the maximum permissible draft in the Montreal-Lake Ontario section will be 80.8 dm (26’-6’’) for all…
St. Lawrence Seaway: Seaway Handbook 2025
This Seaway Handbook contains the joint St. Lawrence Seaway Management Corporation’s Seaway Practices and Procedures established under Section 99 of the Canada Marine Act and the Great Lakes St. Lawrence…
OCIMF: Risks Associated with Power Limitation for EEXI Compliance
OCIMF has release information paper which provides best practice guidance for managing the risks associated with the implementation and operation of Overridable Power Limitation (OPL) on existing ships. This is…
St. Lawrence Seaway Notice on AIS
Mariners are reminded that the computation of AIS position reports must use a Satellite BasedAugmentation System (SBAS) as per the requirements described in 20.(2)(f) of the Seaway Handbook Practices and…