Written Notices to Shipping and NAVAREA Warnings

The Canadian Coast Guard (CCG) issues Notices to Shipping (NOTSHIP) to inform mariners about hazards to navigation and to share other important information.

BROADCAST NOTICES TO SHIPPING

NOTSHIP alerts are broadcast by radio by Marine Communications and Traffic Services (MCTS).  Broadcast notices to shipping are not published on this site.  

WRITTEN NOTICES TO SHIPPING

Written NOTSHIP alerts are issued when the location of the hazard is beyond broadcast range, or when the information remains in effect for an extended period of time.

• Written Notices to Shipping
• Summary of Notices to Shipping

REGATTAS

Use this link to obtain information about regattas and special events in the Great Lakes basin.  Other regattas and events not listed may also be taking place.     

• Regattas

NAVAREA WARNINGS

• NAVAREA Broadcast Warning Messages
• List of In-Force NAVAREA Messages