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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
Marine geospatial information
Data about the marine environment which helps us understand how to protect our biodiversity and ecosystems.
Guidance
Marine information
Updating our charts
The work we’re doing to update New Zealand’s nautical charts
Page
Marine information
Hydrographic survey
Learn about our hydrographic survey programme to map the sea floor.
Page
Marine information
New Zealand Nautical Almanac 2023/24 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
Astronomical phenomena - New Zealand Nautical Almanac 2023/24
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
Te Aumiti / French Pass tide diagrams - New Zealand Nautical Almanac 2023/24
Resource
Marine information
Methods to find times or heights between high & low waters at any port - New Zealand Nautical Almanac 2023/24
Times and heights between high and low waters at Standard and Secondary Ports can be calculated by using the method described in the printable documents attached.
Resource
Marine information
General information sheet about NZ lights - New Zealand Nautical Almanac 2022/23
Toitū Te Whenua maintains this list of lights to aid maritime navigation.
Resource
Marine information
NZ Annual Notices to Mariners - New Zealand Nautical Almanac 2023/24
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
Maritime contacts - New Zealand Nautical Almanac 2023/24
Resource
Marine information
Tide prediction formats
Find out about tide prediction formats and how to interpret the values.
Guidance
Marine information
Standard port datum descriptions
Find New Zealand's standard port chart datums. These are the datums used for stating the depths of the sea on nautical charts, including the level of the water at ports.
Guidance
Marine information
Te Aumiti / French Pass
Find tidal stream predictions and diagrams for Te Aumiti / French Pass.
Page
Marine information
Tides around New Zealand
New Zealand's tidal regime is semi-diurnal, so on most days two high and two low tides occur at any location.
Guidance
Marine information
Tides
Learn about tidal theory and the different types of tides around New Zealand.
Guidance
Marine information
Safety at sea
Toitū Te Whenua charts New Zealand's waters and coast to help commercial and recreational mariners safely navigate our waters.
Page
Marine information
Hydrographic Risk Assessment - Vanuatu
This hydrographic risk assessment allows the Vanuatu Government, with the support of regional charting authorities, to come to a conclusion about the nature and scope of chart improvement surveys in Vanuatu. It provides recommendations and conclusions to…
Resource
Marine information
Hydrographic Risk Assessment - Tokelau
This report details the hydrographic risk assessment of the waters around Tokelau, based on the Land Information New Zealand (LINZ) Hydrographic Risk Assessment Methodology as published in Report Number 15NZ322 Issue 031. The inability to conduct an in-…
Resource
Marine information
New Zealand Nautical Almanac (NZ 204) - Full version
You can download a digital version of the entire New Zealand Nautical Almanac (NZ 204) from this page.
Page
Marine information
MGI 24 - NZ Marine Geospatial Information working group annual meeting
We invite you to join us for MGI 24, the NZ Marine Geospatial Information working group annual meeting on 3 May 2024.
Page
Marine information
Other sea level data
Other sea level data is available from LINZ (on behalf of other organisations) and from other sources.
Page
Marine information
List of lights
Toitū Te Whenua maintains this list of lights to aid maritime navigation.
Page
Marine information
Applying corrections to the Nautical Almanac
Page 2 of the New Zealand Nautical Almanac (NZ 204) provides a table for recording that amendments, communicated through fortnightly Notices to Mariners (NtMs) have been made to the Almanac.
Page
Marine information
Search chart retailers
Official nautical charts are available for purchase from approved chart retailers.
Page
Marine information
HYPLAN - New Zealand Long-Term Prioritised Hydrographic Survey Plan
Land Information New Zealand (LINZ), the New Zealand Hydrographic Authority (NZHA) presents the second edition of New Zealand’s long-term national hydrographic survey plan – HYPLAN.
Resource
Marine information
HYSPEC Contract Specifications for Hydrographic Surveys Version 2.0
As a contracting government to the International Convention for the Safety of Life at Sea (SOLAS), New Zealand has an obligation to arrange to collect and compile hydrographic data, and to publish, disseminate and update all nautical information necessary…
Resource
Marine information
Charts
Learn about keeping your nautical charts up-to-date with our Notices to Mariners.
Guidance
Marine information
Methods to find times or heights between high & low waters at any port - New Zealand Nautical Almanac 2022/23
Times and heights between high and low waters at Standard and Secondary Ports can be calculated by using the method described in the printable documents attached.
Resource
Marine information
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