Great Lakes St. Lawrence Seaway System
Great Lakes St. Lawrence Seaway System
  • The St. Lawrence Seaway Management Corporation
  • Corporation de Gestion de la Voie Maritime du Saint-Laurent
  • Saint Lawrence Seaway Development Corporation
  • News and Information
  • Careers
  • Contact Us
  • Log-in
  • Français
  • The Seaway
  • Management of the Seaway
  • Commercial Shipping
  • Recreational Boating
  • Navigating the Seaway

Commercial Shipping

Opening of 2011 Seaway Navigation Season

  • Radio Messages
  • Seaway Notice No. 1

Ice Information:

  • Environment Canada - Ice Conditions
  • Ice Charts - St. Lawrence River (Fisheries and Oceans Canada)
  • Outlook for break-up of Ice ( Issued on March 3rd, 2011)
  • Seaway Ice Charts
    • February 3, 2011
      • South Shore Canal
      • South Shore Canal to Cornwall
      • Cornwall to Rockport
      • Rockport to Tibbetts Point
    • February 23, 2011
      • South Shore Canal
      • South Shore Canal to Cornwall
      • Cornwall to Rockport
      • Rockport to Tibbetts Point
    • March 14, 2011
      • South Shore Canal to Cornwall
      • Cornwall to Rockport
      • Rockport to Tibbetts Point



Documents listed on this page may require the Adobe Acrobat Reader, available for free download from Adobe.

  • Seaway eBusiness Log-in or Register
  • Transiting the Seaway
    • Vessel Drawing Review
    • Vessel Inspection
    • Ballast Water
    • Tie-Up Service
    • Automatic Identification System (AIS)
  • Regulations and Laws
  • Seaway Security
  • Seaway Handbook
  • Tolls Schedule
  • Incentive Programs
  • Forms
Seaway map

© 2012 The St. Lawrence Seaway Management Corporation, All Rights Reserved
© 2012 Saint Lawrence Seaway Development Corporation, All Rights Reserved

  • Site Map
  • Terms and Conditions
  • Privacy Policy