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

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    Map N South

    Education Resource
    As much of this climate zone is sheltered by high country to the west, south and in some areas to the east, it is the sunniest region of New Zealand.
  • South coast waves

    Wave hazard research

    Research Project
    NIWA collects wave data, develops and verifies wave forecasting systems, and is developing and producing wave projections.
  • Planning for coastal adaptation

    Service
    Coastal risk exposure for New Zealand, adaptation guidance for local government and relevant summaries of previous court cases and Building Act 2004 determinations.
  • Other vessels

    Facility
    NIWA operates about 30 other Maritime New Zealand-certified vessels based at Bream Bay, Auckland, Hamilton, Rotorua, Turangi, Wellington, Nelson, Greymouth, Tekapo, Christchurch, and Dunedin.
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    Water temperature and hydro

    How do hydro-electricity activities potentially influence waterway temperatures?
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    NZ from Space - About

    AQUA and TERRA are polar orbiting satellites that both pass over New Zealand twice per day.
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    How deep is the snow at your place?

    Measurements of snowfall at low elevations around New Zealand are few and far between, and yet the data would be really helpful in understanding how snowfall occurs and quantifying snow-related risks.
  • Coldest seawater discovered

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

    All aspects of the climate of Canterbury are dominated by the influence of the Southern Alps on the prevailing westerly airflows.
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    Causes of sedimentation

    What are the potential sources of sediments from land use activities?
  • Tonga volcano “afterglow” causes dazzling skies in Antarctica

    Media release
    Antarctica is experiencing stunning skyscapes like those recently seen in New Zealand, thanks to the afterglow effect from the Tongan volcano.
  • Determining the age of fish

    Research Project
    NIWA expends considerable effort on determining the age of commercial fish species. But why age a fish? And how do we do it?