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

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    Forecasting impacts from extreme weather

    Research Project
    This project aims to establish connections between weather and river flow forecasting, inundation prediction and risks to people and assets.
  • A 3D Printer is helping save New Zealand’s endangered native fish

    Media release
    A 3D Printer is helping save New Zealand’s endangered native fish
  • Learning support #2: Climate change, floods and adaptation choices

    Education Resource
    Planning for climate change and flooding.
  • Learning support #1: Extreme weather and climate change

    Education Resource
    When it rains it pours – extreme weather.
  • Introduction - Township Flood Challenge Game

    Education Resource
    Welcome to the NIWA Township Flood Challenge game.
  • Hotspot Watch 10 November 2023

    Hotspot
    A weekly update describing soil moisture patterns across the country to show where dry to extremely dry conditions are occurring or imminent.
  • Recreational fishing

    Research Project
    Understanding the trends in recreational fisheries is key to ensuring sustainable fisheries across the country.
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    Charts and posters form

    Charts and posters webform
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    NatHERS climate files 2012 - data request

    NatHERS climate files 2012 - data request webform
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    Improved sustainability of the demersal line fishery in Tonga

    Research Project
    The Tongan deepwater demersal line fishery is a valuable source of income, livelihood, and social well-being for the people of Tonga. The fishery has a history of boom-and-bust cycles with fluctuating catches and poor economic returns.
  • Hotspot Watch 1 November 2023

    Hotspot
    A weekly update describing soil moisture patterns across the country to show where dry to extremely dry conditions are occurring or imminent.
  • Freshwater biosecurity

    Reducing the risk of new freshwater invasive species, minimising the impacts of these species, and developing methods for reducing or eradicating those populations.