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• Hydrography standards and technical specifications

  Standards and specifications for hydrographic surveys and the production of nautical charts and publications, and links to International Hydrographic Organization (IHO) resources.
  Guidance

  • Marine information

• Hydrography Excellence Award for Toitū Te Whenua LINZ and Napier Port

  LINZ and Napier Port have been awarded the Surveying and Spatial Sciences Institute’s Hydrography Excellence Award for 2022 for the ‘Next Generation Charting for Napier Port’ project.
  News

  • Marine information

• Tide predictions – list view

  Add a location to the search box to narrow the results.
  Page

  • Marine information

• Pacific nautical charts - changes to country prefix and numbering

  A schedule of upcoming changes to Pacific nautical charts
  Page

  • Marine information

• New Zealand radio navigational warnings

  Maritime New Zealand (MNZ) is the NAVAREA XIV Coordinator.
  Page

  • Marine information

• Maritime boundaries

  New Zealand has sovereign rights over a vast area of ocean, along with the fishery, mineral and petroleum resources that may exist in that area.
  Guidance

  • Marine information

• Astronomical information

  Astronomical tables, including moonrise and moonset, and sunrise and sunset tables.
  Page

  • Marine information

• Hydrographic data

  Access hydrographic data about the features of the seabed around the coast of New Zealand, and parts of Antarctica and the south-west Pacific.
  Page

  • Marine information

• Tide predictions

  Tidal predictions are compiled for standard barometric pressure.
  Page

  • Marine information

• Specifications for Geodetic Control of Hydrographic Surveys

  This specification describes the requirements for establishing and surveying geodetic marks used in hydrographic surveys for Toitū Te Whenua.
  Resource

  • Geodetic
  • Marine information

• Hydrographic Risk Assessment - Niue

  This report details the hydrographic risk assessment of Niuean waters based on the Land Information New Zealand (LINZ) Hydrographic Risk Assessment Methodology as published in Report Number 15NZ322 Issue 031. This risk assessment is part of the continuing…
  Resource

  • Marine information

• Printing Notices to Mariners

  How to print tracings and blocks in Notices to Mariners.
  Guidance

  • Marine information

• Promoting marine geospatial information

  We are collaborating with stakeholders across the marine sector to improve access to and reuse of marine geospatial data.
  Page

  • Marine information

• Shipwrecks mapped in Gisborne seabed survey

  Two previously uncharted shipwrecks have now been mapped in great detail thanks to a recent hydrographic survey of Tūranganui-a-Kiwa/Poverty Bay.
  News

  • Data
  • Marine information

• High-tech Banks Peninsula seabed survey begins

  Toitū Te Whenua Land Information New Zealand, in partnership with Environment Canterbury and the Department of Conservation Te Papa Atawhai, has started seabed surveying around Banks Peninsula.
  News

  • Marine information

• New Zealand continental shelf project

  The New Zealand Continental Shelf Project was a 7 year, $44 million government funded programme to collect data for New Zealand's submission to the Continental Shelf Commission on the Limits of the Continental Shelf (CLCS).
  Resource

  • Marine information

• General information sheet about NZ lights - New Zealand Nautical Almanac 2023/24

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

  • Marine information

• Rolling out a new, digital navigation framework – S-100

  Find out more about work to prepare our region’s mariners for the rollout of a new, digital navigation framework from 2026.
  Page

  • Marine information

• Maritime contacts - New Zealand Nautical Almanac 2022/23

  Resource

  • Marine information

• New Zealand Bathymetry Investigation October 2015

  The primary aim of the New Zealand Bathymetry Investigation is to identify how to manage New Zealand’s bathymetric data to maximise its contribution to New Zealand’s economy.
  Resource

  • Marine information

• LINZ Source Data Specification Version 4.0

  This specification is provided as the authoritative reference for the maintenance of New Zealand’s source data, and is to be used as a supplement to the IHO publication “S-57 Appendix B.1 Annex A – Use of the Object Catalogue for ENC” (UOC).
  Resource

  • Marine information

• New Zealand Nautical Almanac

  The New Zealand Nautical Almanac is an annual publication that is updated fortnightly through our Notices to Mariners.
  Page

  • Marine information