Navigational Warnings (NAVWARNs) contain information about changes to navigational aids and current marine activities or hazards that may have an impact on safety of navigation.
Services and information
Search for NAVWARNs
Search for active or cancelled NAVWARNs in Canadian waters.
Search for NAVAREAs
Search for active NAVAREAs under Canadian authorities.
Use the subscription service to receive emails concerning NAVWARNs that match user defined criteria.
Use the subscription service to receive emails concerning NAVAREAs that match user defined criteria.
Contact MCTS Centers
Contact your nearest Marine Communications and Traffic Services (MCTS) to report emergencies or navigational hazards.
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