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.

  • New Zealand Drought Monitor

    Service
    The New Zealand Drought Monitor is a system for keeping track of drought conditions across New Zealand based on a standardised climate index.
  • Coldest seawater discovered

    Feature story
    The coldest seawater on earth could help scientists understand why Antarctic sea ice is growing in a warming world
  • Huka Falls

    Our mission

    NIWA's mission is to conduct leading environmental science to enable the sustainable management of natural resources for New Zealand and the planet.
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    Mean monthly temperatures (°C)

    These datasets are available in a range of formats.
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    13 Beach types

    Learn about different kinds of beachs and how they form, with diagrams and examples of each type.
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    Tornadoes in New Zealand - FAQs

    Education Resource
    Some commonly-asked questions about tornadoes in New Zealand.
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    Estimated bycatch

    View data that show reported target catch and estimated bycatch.
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    New map reveals New Zealand’s seafloor in stunning detail

    News article
  • NOAA Satellite data

    Like the GMS satellite, the NOAA Series of polar orbiting satellites (operated by NOAA, the US National Oceanic and Atmospheric Administration) are a component of the World Weather Watch meteorological satellite network.
  • Rig shark

    Research Project
    Rig shark is an important inshore commercial fish species in New Zealand, and we need to understand more about their habitats, movements, nursery grounds and vulnerability to human impacts to ensure they are managed sustainably and their productivity is enhanced.
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    Map Sw North

    Education Resource
    Because of its exposure to disturbed weather systems from the Tasman Sea, this climate zone is often quite windy, but has few climate extremes.
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    What are greenhouse gases?

    Greenhouse gases are atmospheric gases that intercept long-wave (mainly infrared) radiation emitted from the Earth's surface.