NAVAREAS are the geographic areas in which various governments are responsible for navigation and weather warnings.
NAVAREAs are mentioned in International Maritime Organization

International Maritime Organization

The International Maritime Organization , formerly known as the Inter-Governmental Maritime Consultative Organization , was established in Geneva in 1948, and came into force ten years later, meeting for the first time in 1959...

 Assembly Resolution A.706(17) adopted 6 November 1991.

The International Hydrographic Organization

International Hydrographic Organization

The International Hydrographic Organization is the inter-governmental organisation representing the hydrographic community. It enjoys observer status at the UN and is the recognised competent authority on hydrographic surveying and nautical charting...

 publication S-53 has a document entitled "Worldwide Navigational Warnings Service - Guidance Document" which is related to NAVAREAs. See http://www.iho.int/PUBLICATIONS/download.htm

External links

• http://www.amsa.gov.au/search%5Fand%5Frescue/distress%5Fand%5Fsafety%5Fcommunications/pdfs/a706%5F17.pdf
• http://www.iho.shom.fr/COMMITTEES/CPRNW/cprnwintro.htm
• http://www.wetterinfobox.com/wib2demo/html/navarea.htm Map of NAVAREAs and schedule for Navtex
  Navtex
  NAVTEX is an international automated medium frequency direct-printing service for delivery of navigational and meteorological warnings and forecasts, as well as urgent marine safety information to ships...
  
  transmissions