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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    The weather of Christmasses past and present

    News article
    If you can't beat Wellington on a good day, you can't beat it on Christmas Day either.
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    Summer Series Week 4: When aliens attack

    News article
    Your favourite lake may look picturesque, calm and inviting but beware what lurks beneath – aliens are on the attack.
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    Summer Series Week 3: Beaches buffer our shores from Mother Nature’s might

    News article
    Read about how beaches are Nature's way of protecting sea front real estate and infrastructure against high winds and waves.
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    Turbulent times

    News article
    Hoping for a smooth flight into Wellington? NIWA scientists can help.
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    Summer Series Week 1: What the world around you can tell you about the weather

    News article
    Forecasting whether we're in for a hot, dry holiday or wet, humid conditions this summer can be a complex and tricky business - Mother Nature can tell us about the weather ahead, just by observing patterns and sequences.
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    2012 - Blue cod survey

    News article
    Scientists at the National Institute of Water and Atmospheric Research (NIWA) have recently completed a survey of blue cod in the Marlborough Sounds.
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    Blue Cod Behaviour

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    Temperatures soar into record books 26 November 2013

    Media release
    A spell of settled sunny weather around the country has been breaking temperature records, NIWA figures show.
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    NIWA scientists make surprise discovery

    News article
    After two years of groundwork, NIWA scientists have finally unlocked the mystery of the elusive lamprey breeding grounds.
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    Scientists on hunt for freshwater crayfish

    News article
    NIWA scientists have secured funding for a project they hope will take them a step closer to discovering why the number of freshwater crayfish, or koura, in the Upper Waikato River has dramatically declined.
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    Court of Appeal awards costs to NIWA

    News article
    The Court of Appeal has awarded costs to NIWA following a decision by the New Zealand Climate Education Trust to withdraw its appeal against a High Court ruling which confirmed the integrity of NIWA's climate science.
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    NZ, Japanese scientists join forces for voyage of discovery

    News article