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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
Sunrise & sunset tables - New Zealand Nautical Almanac 2022/23
Resource
Marine information
Tory Channel/Kura Te Au Entrance tide diagrams - New Zealand Nautical Almanac 2022/23
Resource
Marine information
Marine Geospatial Information stocktake guidance
In New Zealand, Marine Geospatial Information (MGI) is collected by various public and private organisations. Knowing what data exists is the first step enabling data accessibility and reusability and increasing the value of marine geospatial investments.
Resource
Marine information
New editions of navigational charts for Auckland harbour released
New editions of two navigational charts for Auckland harbour have recently been released, providing enhanced safety as Auckland mariners take to the water in significant numbers over the summer sailing season.
News
Marine information
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