Hydrography

Hydrography is the science of surveying and charting the sea floor and coastlines for navigation and other purposes.

What's available

• Digital Charting: Learn about NZMariner, a CD collection of digital chart information and Electronic Navigational Charts (ENCs).
• Current Projects: (Upcoming Products and Services)
• Navigational Charts: List of chart retailers and a chart catalogue.
• Nautical information: Find tidal predictions, sunrise and sunset times, planetary movements, Notices to Mariners, Navigational Lights, Marine Safety Information
• Advisory Groups: (International Liaisons) LINZ represents New Zealand on international hydrographic groups
• Standards and Specifications

LINZ's role

Land Information New Zealand (LINZ) is the National Hydrographic Authority of New Zealand. It produces official navigational charts and publications for professional mariners. We are also responsible for gathering technical data for New Zealand's continental shelf submission to the United Nations.

Who uses hydrographic information?

Users include:

• Professional Mariners
• New Zealand Defence Force
• Emergency Services
• Recreational mariners
• Central New Zealand Government
• New Zealand local authorities (city, district and regional councils) and port authorities