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New York State Canal Corporation

Notice to Mariners

Erie and Oswego Canals

September 30, 2022

Mariners are advised of underwater inspections occurring on the Erie and Oswego Canals on the following schedule:

  • Monday, October 3rd – Oswego Canal Lock O-8 – (Oswego) Lock and Gate Areas.
  • Tuesday, October 4th – Erie Canal Lock E-23 (Brewerton) – Guard Gate above Lock E-23 and Southwest Approach Wall below Lock E-23.   

The inspection areas will be marked by commercial diver’s flags while divers are in the water. Boaters should reduce speed and proceed at a "No Wake" speed when transiting these areas.                                 

Charts showing the affected areas can be found at and

Features along the Oswego Canal are listed by mileage at 

The Canal system is scheduled to close to navigation at 5:00 pm on Wednesday, October 12, 2022. All vessel operators should plan their trips to ensure they exit the system by that time. For more information, please click here.

In case of emergencies, please call the Canal Corporation Emergency Call Center at: (833) 538-1042.

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