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St. Lawrence Seaway 2024 season opens March 22


The Canadian and U.S. St. Lawrence Seaway agencies announced that the opening of the 2024 navigation season has been scheduled to take place on the following dates and times:

  • Montreal / Lake Ontario Section: March 22, 2024 – 0800 hours (D.S.T.)
  • Welland Canal: March 22, 2024 – 0800 hours (D.S.T.) Ship transits will be subject to weather and ice conditions.

Restrictions may apply in some areas until lighted navigation aids have been installed.

Sault Ste. Marie Locks and Canals Opening of the Sault Ste. Marie Locks (U.S.A.) is currently scheduled for March 25, 2024. Please note the Notice to Navigation Interests released by the U.S. Army Corps of Engineers for further information.

In the Montreal / Lake Ontario Section, the maximum allowable draft will be 80.0 dm (26′ 3″). The maximum draft will be increased to 80.8 dm (26′ 6″) for all ships when the South Shore Canal is icefree and when water levels are favourable.

In the Welland Canal, a maximum allowable draft of 80.8 dm (26′ 6″) will be in effect from the start of the navigation season for all ships. Ships equipped with an approved and operational Draft Information System will be permitted to transit at a draft of up to 7cm above the maximum allowable draft provided they meet the requirements set out in Section 29 of the Seaway Handbook Practices & Procedures.

(Photo SLSMC)