St. Lawrence Seaway Management Corporation

Seaway Handbook

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 Seaway Development Corporation’s Seaway Regulations established pursuant to the Saint Lawrence Seaway Act of May 13, 1954, as amended.

All vessels transiting the St. Lawrence Seaway, which exceed 300 gross registered tonnes must conform to the regulations and provisions found within the Seaway Handbook.

The provisions within the Seaway Handbook are subject to change. To subscribe to the free Seaway Handbook update service, please click here.

Region Guides

• • Montreal / Lake Ontario Section
  • Welland Canal Section

Seaway Handbook – 2024 Edition

• • Cover Page and Foreword (PDF)
  • Practices and Procedures (PDF)
  • Schedule of Tolls (PDF)
  • Wharfage and Storage Charges (PDF)
  • Conversion Table (PDF)
  • Ship Transit and Equipment Requirements (PDF)
  • Pre-Clearance Form
  • Standard Transit Declaration Form
  • Seaway Plan No. 115070 Montreal to Lake Ontario Traffic Control Sector No. 1 (PDF)
  • Seaway Plan No. 115070 Montreal to Lake Ontario Traffic Control Sector No. 2 (PDF)
  • Seaway Plan No. 115070 Montreal to Lake Ontario Traffic Control Sector No. 3 (PDF)
  • Seaway Plan No. 115070 Montreal to Lake Ontario Traffic Control Sector No. 4 (PDF)
  • Seaway Plan No. 115071 Lake Ontario Section Traffic Control Sector No. 4, 5 (PDF)
  • Seaway Plan No. 115072 Welland Canal Section Traffic Control Sector No. 6-1 (PDF)
  • Seaway Plan No. 115072 Welland Canal Section Traffic Control Sector No. 6-2 (PDF)
  • Seaway Plan No. 115073 Lake Erie Section Traffic Control Sector No. 7 (PDF)
  • Seaway Plans (PDF) Formatted for Printing on Letter Sized Paper