November 14, 2023 | Circular No. 11604

Dear Member,

Please refer to the Seaway Notice No. 14 regarding the closing of the 2023 navigation season.

In addition to the following closing dates, the Notice provides cut-off times for accepting ships, detailed closing procedures, acceptance for transits under special agreements, and transit restrictions (i.e. draft and power to length ratio).

Ships must be clear of the MLO Section by the following closing dates:

  • Downbound clear of CIP 2 by 10h00 January 5, 2024; and
  • Upbound clear of Cape Vincent by 06h00 January 5, 2024.

Ships must be clear of the Welland Canal by 12h00 January 7, 2024

Please also note that St. Lawrence Seaway Management Corporation has decided to waive the operational surcharges on December 21, 22, 23 and 24.


Farah Ahmad
Coordinator, Marine Operations