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.

  • Mayfly Ecotoxicology laboratory Hamilton.

    Identification and e-guides

    Downloadable and printable guides on identification of common freshwater invertebrates found in New Zealand waterways and lakes.
  • Farming and the primary sector

    Farmers are making business decisions everyday which are influenced by environmental factors. We can help farmers to improve decision-making, mitigate farm environment risk, and to become more productive, efficient, competitive and sustainable.
  • Lake Castalia on the upper reaches of the Wilkin River North Branch near Wanaka. Image is looking southwest back down the valley.

    Environmental monitoring

    NIWA collects a vast range of environmental information about New Zealand’s environment from the sky to the seafloor.
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    Mean number of days of ground frost

    These datasets are available in a range of formats.
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    Climate stations and instruments

    We can supply a wide range of weather or climate monitoring instruments from single parameter sensors to fully equipped and installed climate stations.
  • Tuna information resource

    Tuna, or freshwater eels, are the most widespread freshwater fish in New Zealand. This 'living' educational resource summarises a large amount of scientific and technical literature.
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    Inanga

    Inanga are the predominant species in the modern whitebait fishery.
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    Fisheries stock assessments

    To get the most benefit from a fish stock in the long term, we need to maximise our yield without damaging the fish population we rely on.
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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.
  • Antarctic diver and jellyfish

    Statement of Core Purpose

    The Statement of Core Purpose spells out why the Government owns Crown Research Institutes and what it expects from them.
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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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    Caddisflies