Navigational Warnings

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.

NAVWARNs Subscription

Use the subscription service to receive emails concerning NAVWARNs 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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