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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    Southwest Pacific Tropical Cyclone Outlook: Near average or slightly above average numbers for many islands likely, and increased activity in the late season near Tonga and Niue

    News article
    18 October 2012
    Climate change

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    NIWA’s Kaharoa sets sail to deploy robots across the Pacific Ocean

    News article
    12 October 2012
    Coasts

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    A haul of hoki.

    Fisheries and EcoConnect

    Service
    EcoConnect provides the New Zealand fishing industry with a unique operational decision-making tool to help mitigate commercial, operational, and environmental risk.

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    Password Information

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    Aquatic weed risk assessment model (AWRAM)

    Research Project
    A significant threat to the biosecurity of New Zealand's freshwater habitats comes from plants that have been intentionally introduced.

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    Kiwi great whites cross the ditch to Bondi

    News article
    26 September 2012
    Fisheries

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    Tracking river plumes

    Research Project
    River plumes form one of the primary connectors between river-estuary systems and the coastal ocean.

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    Oceans 20/20

    Research Project
    The Ocean Survey 20/20 (OS 20/20) programme aims to provide NZ with better knowledge of its ocean territory.
    Hazards
    Geological hazards
    Bathymetry

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    Weed risk assessment

    NIWA has developed a model to assess the potential weed risk of aquatic plants.
    Freshwater quality

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    Urban impacts on the environmental, social, economic and cultural values of water bodies

    NIWA is leading research aimed at helping local government to plan the development of New Zealand's cities and settlements in a way which protects and enhances the services and values associated with urban water bodies.

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    Modelling for stormwater management

    The objectives of this case study were to provide an example of how a risk assessment of an urban drainage system can be undertaken using an existing operational model

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    Climate change and stormwater

    Stormwater management is recognised by the Ministry for the Environment as a local government service that is potentially at risk from climate change and may need adaptation.