On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

Atmospheric analysis

NIWA has been using advanced scientific instruments to measure atmospheric trace gases and isotopes for over 50 years.

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    Using trigonometric functions to model climate

    Education Resource
    Your task is to create a model of the data to predict the times during the year that a location would be pleasant to visit
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    Al Brown's Hapuku Recipe

    Al Brown is an award-winning chef, co-owner of Wellington’s Logan Brown restaurant, television presenter on Hunger for the Wild, writer, and fisherman.
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    Cloud Imagery

    On this page
    NZ Region Cloud Analysis Australasian Region Infrared Hemispheric Infrared NZ High-res Visible Contact
    All transmissions from GMS-5 are no longer received at NIWA’s satellite reception station in Wellington. We are working on an alternative data feed and will be able to bring back these images later this year. Once we start receiving data again, it will then be calibrated, re-mapped onto standard map projections, and archived.
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    Smelt

    Smelt have a distinctly forked tail and a strong cucumber smell.
  • Water dams

    Damming water for urban use, hydro-electric power generation, irrigation, and other industrial and commercial uses.
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    Smart Rain Intensity Gauge - NIWA SRIG

  • Scientists explore deepest parts of the Kermadec Trench

    Media release
    Scientists exploring the Kermadec Trench believe they have retrieved the deepest ever sediment sample from the bottom of the ocean using a wire-deployed corer.
  • Regional modelling of New Zealand climate

    Research Project
    Developing probabilistic scenarios of expected future regional climate changes.
  • Organisational sustainability

    NIWA's goal is to provide the science to help New Zealanders transition to a sustainable future.
  • Aquaculture Activities

    Shellfish gathering and farming take place in marine and freshwater environments.
  • Water quality tools

    Find out more about our water quality tools.
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    Wastewater treatment activities

    Rural, urban, and suburban wastewater treatment methods.