Charts & Hydrographic Services

• Charts

  LINZ produces specialised nautical charts to aid safe navigation in New Zealand waters and certain areas of Antarctica and the South West Pacific. Search the chart catalogue, find chart retailers, and download digital charts.

• Notices to Mariners

  LINZ publishes annual and fortnightly Notices to Mariners (NTMs). Download NTMs or subscribe to receive fortnightly notification emails.

• Nautical information

  About the New Zealand Nautical Almanac, list of lights used for nautical navigation, NAVAREA XIV warnings, maritime safety, maritime boundaries and astronomical information.

• Tidal information

  An introduction to the cause and nature of tides and tidal streams, daily tide predictions, information required to calculate tide times and heights, and tidal stream prediction tables.

• Reporting a hazard to navigation - H Note

  Notify LINZ of new or suspected dangers to navigation, changes in aids to navigation, or recommended corrections to publications.

• Programmes, projects & news

  Annual survey and chart programmes, plus current projects.

• Standards & technical specifications

  Find hydrographic standards and specifications for LINZ products and services.