Maritime Safety Information
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Maritime Safety Information

Incoming hydrographic data is immediately assessed for vital information. Urgent updates are issued as Radio Navigation Warnings (RNW) or chart-updating Notices to Mariners (NMs). More than 2,100 radio warnings and over 7,100 Notices to Mariners were issued in 2008.
 

 

  • Notices to Mariners

    Keep informed about safety critical information. Search and download Notices to Mariners from here.
  • Radio Navigational Warnings

    We act as the NAVAREA I (NE Atlantic) Co-ordinator for the International Maritime Organization (IMO) and International Hydrographic Organization (IHO) Worldwide Navigational Warning Service and also as the United Kingdom National Co-ordinator for issuing coastal navigational warnings.