Victorian Notices to Mariners (NtMs) issued by Victorian Regional Channels Authority advise commercial mariners, recreational boaters and waterway users of a significant change in a port or waterway, which may affect the safe navigation of a vessel.

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Commonwealth notices

Australian Notices to Mariners are issued by the Australian Hydrographic Office.

Click here for AHO notices

Marine Notices are issued by AMSA and contain matters of National relevance.

Click here for AMSA notices