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Maritime Safety Information

Incoming hydrographic data is immediately assessed for vital information. Urgent updates are issued as Navigational Warnings or chart-updating Notices to Mariners (NMs). More than 1800 Navigational Warnings and over 5400 Notices to Mariners were issued in 2013.
 

 

  • Notices to Mariners (PUBLIC)

    Keep informed about safety critical information. Search and download Notices to Mariners from here.
  • Notices to Mariners (DISTRIBUTORS)

    Keep informed about safety critical information. Search and download Notices to Mariners from here.
  • Notices to Mariners (NM LICENSEES)

    Keep informed about safety critical information. Search and download Notices to Mariners from here.
  • Hydrographic Notes

    You can download Hydrographic Notes here, for informing us of any navigationally significant information.
  • Radio Navigational Warnings

    We act as the NAVAREA I (NE Atlantic) Co-ordinator for the IMO) and IHO Worldwide Navigational Warning Service and also as the United Kingdom National Co-ordinator for issuing coastal warnings.
  • Admiralty Digital Products & Services

    Latest status, updates and information about digital charts...
  • Security Related Information to Mariners

    Keep informed about security of navigation issues and safety critical information associated with military operations. Search and download Security Related Information to Mariners from here.