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• Moonrise and moonset tables - New Zealand Nautical Almanac 2023/24

  Resource

  • Marine information

• General information sheet about NZ lights - New Zealand Nautical Almanac 2021/22

  Toitū Te Whenua maintains this list of lights to aid maritime navigation.
  Resource

  • Marine information

• Guidance to support applications for recognition of customary interests under the Marine and Coastal Area (Takutai Moana) Act 2011

  Guidance to help survey and spatial professionals prepare maps to support applications for recognition of customary interests in the marine and coastal area under the Marine and Coastal Area Act (Takutai Moana) Act 2011.
  Resource

  • Marine information
  • Māori and iwi
  • Survey

• Check the tide tables before you go out on the water this summer

  If you’re planning to spend any time out on the water this summer, make sure you check the LINZ tide tables first.
  News

  • Marine information

• NZ ENC Service

  Register to access free, regularly updated electronic navigational charts (ENCs) of our waters, parts of Antarctica and the south-west Pacific.
  Page

  • Marine information

• Information for paper chart retailers

  Information for people wanting to sell our paper charts.
  Page

  • Marine information

• Subscribe to Pānui Ahumoana

  Sign up to receive the newsletter from the Marine Geospatial Information Working Group
  Page

  • Marine information

• Cook Strait

  The tidal streams in and around Cook Strait are unreliable and mariners are warned to exercise every precaution when navigating in the vicinity.
  Page

  • Marine information

• Maritime boundary downloads

  Download New Zealand’s maritime boundaries
  Guidance

  • Marine information

• Standard port periods of observation

  Find the period over which tidal observations were analysed to produce our tide predictions.
  Guidance

  • Marine information

• How to calculate tide times and heights

  How to calculate the times and heights of and between high and low waters.
  Guidance

  • Marine information

• Tidal stream predictions

  Tidal streams are the periodic horizontal movement of water. These have the same astronomical causes as tides, which move in a vertical direction.
  Page

  • Marine information

• Meteorological effects on tides

  Unusually high or low barometric pressure, or prolonged periods of strong winds, can mean the actual sea level is higher or lower than the predicted height.
  Guidance

  • Marine information

• Making sea level measurements

  Until quite recently the use of float gauges was the most common method of measuring and recording sea levels.
  Guidance

  • Marine information

• Sea level data downloads

  Sea level data recorded at the monitoring sites shown on the map is available for download.
  Page

  • Marine information

• Exclusive Economic Zone & continental shelf boundaries between New Zealand & Australia

  New Zealand and Australia have rights over areas of ocean called their Exclusive Economic Zones (EEZ).
  Guidance

  • Marine information

• Hydrographic Risk Assessment - Samoa

  This executive summary provides an overview of the full report, RNALZ17001 - 17 August 2017, on the hydrographic risk assessment of Samoan waters. The hydrographic risk assessment was based on the Land Information New Zealand (LINZ) Hydrographic Risk…
  Resource

  • Marine information

• Astronomical phenomena - New Zealand Nautical Almanac 2022/23

  Including details of the Earth’s orbit, solar and lunar eclipses, times when the Moon is closest and furthest from Earth (lunar perigee and apogee), phases of the Moon and planet visibility.
  Resource

  • Marine information

• Moonrise and moonset tables - New Zealand Nautical Almanac 2022/23

  Resource

  • Marine information

• Te Aumiti / French Pass tide diagrams - New Zealand Nautical Almanac 2021/22

  Resource

  • Marine information

• Tide prediction guidance

  Tidal levels for standard ports, information on reading tide predictions, and the standard port datum descriptions for New Zealand ports.
  Guidance

  • Marine information

• New Zealand Nautical Almanac 2022/23 Edition | NZ 204

  By law, ships need to carry official charts and navigation publications needed for their voyage - this includes the Almanac, an annual publication that is updated fortnightly through our Notices to Mariners.
  Resource

  • Marine information

• Understanding the value of Hydrographic Data

  This document sets out ways to work with us in collecting hydrographic and marine data as well as outlining possibilities of using existing data.
  Resource

  • Marine information

• New Zealand Hydrographic Risk Assessments - Mainland New Zealand

  Land Information New Zealand has carried out in-depth assessments of New Zealand waters to help us prioritise improvements to charts and navigation information.
  Resource

  • Marine information

• New Zealand Hydrographic Risk Assessments - Sub-Antarctic Islands

  Land Information New Zealand has carried out in-depth assessments of New Zealand waters, including the Sub-Antarctic Islands, to help us prioritise improvements to charts and navigation information.
  Resource

  • Marine information

• Definitions for Hydrographic Chart Production

  This technical report amplifies the IHO definitions of terms used when issuing charts. It does not supersede the need for knowledge and experience both in hydrographic charting and navigation.
  Resource

  • Marine information

• Report a hazard to navigation - Hydrographic Note

  Let us know if you see a hazard or something you suspect will affect safe navigation, including anything missing from our charts or publications.
  Page

  • Marine information

• Hydrography

  Standards and specifications for carrying out hydrographic surveys for safety of navigation, and the benefits of hydrographic survey data.
  Guidance

  • Marine information

• Nippon Foundation-GEBCO Seabed 2030 Project

  Seabed 2030 is a collaborative project between The Nippon Foundation of Japan and the General Bathymetric Chart of the Oceans (GEBCO).
  Page

  • Marine information

• Marine scientific research

  Information on applications to undertake marine scientific research (MSR).
  Guidance

  • Marine information

• Tides and tidal streams

  Find out about the sea level data, predictions and calculations we publish to help you navigate New Zealand tides and tidal streams.
  Landing page

  • Marine information

• Marine information

  Learn about keeping nautical charts up-to-date, tides and tide predictions, and find standards and specifications for hydrographic surveys.
  Landing page

  • Marine information