The Canadian and US Great Lakes and Seaway authorities have announced the 2023 opening dates for the Seaway.

The opening date for the 2023 navigation season is schedules to take place on the following dates and times:

  • Montreal / Lake Ontario Section: March 22, 2023 – 0800 hours (D.S.T.)
  • Welland Canal: March 22, 2023 – 0800 hours (D.S.T.)

Opening of the Sault Ste. Marie Locks (U.S.A.) is currently scheduled for March 25, 2023.

The full notice can be accessed here.