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• NZ Annual Notices to Mariners - New Zealand Nautical Almanac 2022/23

  Annual Notices to Mariners are standing notices that are issued each year in the New Zealand Nautical Almanac. Changes to Annual Notices are notified through the fortnightly edition of Notices to Mariners
  Resource

  • Marine information

• Cause and nature of tides

  Find out about what causes tides and how they vary depending on time and location.
  Guidance

  • Marine information

• About Notices to Mariners

  LINZ publishes Annual New Zealand Notices to Mariners and fortnightly New Zealand Notices to Mariners (NTMs).
  Guidance

  • Marine information

• NZ Marine Geospatial Information working group

  The New Zealand Marine Geospatial Information (NZMGI) working group facilitates national collaboration and leverage opportunities to grow the value of MGI investments and benefits for all New Zealand.
  Page

  • Marine information

• Finding and accessing MGI

  Finding and accessing data facilitates its reuse.
  Guidance

  • Marine information

• Hydrographic Group Strategic Options Study

  This report was produced by ConsultingWhere Limited Ltd. for Land Information New Zealand (LINZ).
  Resource

  • Marine information

• Enabling Integrated Marine Management

  Summary of findings:
  Resource

  • Marine information

• Sunrise & sunset tables - New Zealand Nautical Almanac 2023/24

  Resource

  • Marine information

• Tory Channel/Kura Te Au Entrance tide diagrams - New Zealand Nautical Almanac 2023/24

  Resource

  • Marine information

• Customary interests

  Information for survey and spatial professionals who are preparing maps to support applications by iwi, hapu or whānau groups for recognition of customary interests under the Marine and Coastal Area (Takutai Moana) Act 2011.
  Guidance

  • Marine information
  • Māori and iwi
  • Survey

• Maritime safety

  Find out about the alerts, warnings and information we produce to help you safely navigate New Zealand waters.
  Landing page

  • Marine information

• Charts

  You can buy paper charts from approved retailers, or register for access to our regularly updated electronic navigation charts.
  Landing page

  • Marine information

• NZ Chart Catalogue

  Search our catalogue of paper charts and electronic navigational charts. These cover New Zealand waters, parts of Antarctica, and the south-west Pacific.
  Page

  • Marine information

• Hydrographic work programme

  Learn about the work we do as the government agency responsible for providing navigational products and services that support safe shipping. These products and services enable New Zealand to meet its international obligations concerning the safety of…
  Page

  • Marine information

• Tory Channel / Kura te Au

  Tidal streams can be very strong through the east entrance to Tory Channel / Kura te Au, reaching rates of 5 knots as indicated on chart NZ 6154.
  Page

  • Marine information

• Tides glossary

  Definitions of common tidal terms.
  Guidance

  • Marine information

• Analysis and prediction of tides

  The tide you see is a combination of all the different water movements happening at that location.
  Guidance

  • Marine information

• Applying corrections to charts and nautical publications

  You can keep your charts and nautical publications up to date using our Notices to Mariners.
  Guidance

  • Marine information

• NZ Annual Notices to Mariners

  Download NZ Annual Notices to Mariners.
  Page

  • Marine information

• Hydrographic Risk Assessment - Tonga

  This hydrographic risk assessment allows the Tongan Government, with the support of regional charting authorities, to come to a conclusion about the nature and scope of chart improvement surveys in Tonga. It provides recommendations and conclusions to…
  Resource

  • Marine information

• Hydrographic Risk Assessment - Cook Islands

  This hydrographic risk assessment allows the Cook Islands Government, with the support of regional charting authorities, to come to a decision about the nature and scope of chart improvement surveys in the Cook Islands. It provides recommendations and…
  Resource

  • Marine information

• Shape file help notes

  Resource

  • Marine information

• Survey guidance for mapping marine and coastal areas

  Guidance prepared by the Surveyor-General to assist applicant groups to prepare maps that meet the requirements of s109(4)(a) of the Marine and Coastal Area (Takutai Moana) Act 2011.
  Resource

  • Marine information

• New Zealand first Government to sign global seabed mapping project

  Today New Zealand signed up to a global seabed mapping project, to map the world’s entire ocean floor by 2030. So far, 20 per cent of the world’s ocean floor has been mapped to modern standards.
  News

  • Marine information

• Maritime safety in the Pacific

  Toitū Te Whenua is involved in a number of programmes for improving safety in the South Pacific.
  Page

  • Marine information

• Maritime boundary definitions

  Find out more about New Zealand's maritime zones and boundaries.
  Guidance

  • Marine information

• New Zealand Nautical Almanac (NZ 204) - Extracts

  Extracts are corrected according to changes notified in Notices to Mariners (NtMs), so they may be more up-to-date than the printed Almanac.
  Page

  • Marine information

• Understanding hydrographic data

  Toitū Te Whenua LINZ collects hydrographic data for charting purposes using our hydrographic standards and technical specifications detailed in HYSPEC.
  Guidance

  • Marine information

• Hydrographic risk assessments

  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.
  Page

  • Marine information

• Notices to Mariners

  Toitū Te Whenua publishes annual and fortnightly Notices to Mariners (NTMs) to advise mariners of matters affecting navigational safety.
  Page

  • Marine information

• Managing and reusing MGI

  A “collect once, use many times” approach can grow the value of marine geospatial data.
  Guidance

  • Marine information

• Standard port tidal levels

  Find the standard tidal levels for ports around New Zealand.
  Guidance

  • Marine information