Notices to Shipping and NAVAREA Warnings - Central and Arctic

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Notices to Shipping

The Canadian Coast Guard issues Notices to Shipping in order to advise the marine public of hazards to navigation, defective aids to navigation and other important navigational information.

For further information on any Notice to Shipping or to request the issuance of a Notice to Shipping, please contact:

Notices to Shipping - "A" Series and "H" Series

Iqaluit Marine Communications and Traffic Services Centre
PO Box 189
Iqaluit, NU
X0A 0H0
Telephone: (867) 979-5269
Fax: (867) 979-4264

Operational from approximately mid-May until late December. For the remainder of the year, please contact Prescott MCTS.

Notices to Shipping – "C" Series

Prescott Marine Communications and Traffic Services Centre
401 King Street West
Prescott, ON
K0E 1T0
Telephone: (613) 925-0666
Fax: (613) 925-4519
Email: notshipC&

Broadcast Notices To Shipping

Notices to Shipping are broadcast by Marine Communications and Traffic Services centres.
Broadcast Notices to Shipping are not yet posted on this site.

Written Notices To Shipping

Written Notices to Shipping remain valid until cancelled.


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.

NAVAREA Warnings