Climate & Weather

Understanding our variable and changing climate is critical for managing resources and reducing risks.

  • AI_Flooding_Banner_Image

    AI flood maps: forecasting where and when, in real-time

    Research Project
    Floods are New Zealand’s most frequent and costly natural disaster. Fast and accurate forecasting of flood impacts is crucial for reducing the risk to life, property, and infrastructure.
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    Government announcement about NIWA and MetService

    News article
    NIWA is pleased with the announcement today by the Science, Innovation and Technology Minister of the Government’s response to a recent review of New Zealand’s weather forecasting system.
  • Cyclone Gabrielle - Hawke's Bay

    Cyclone Gabrielle was intensified by human-induced global warming

    Media release
    A new NIWA-led study has found that climate change increased the amount of total rainfall during Cyclone Gabrielle by 10%.
  • NIWA can help you leverage updated climate projections

    Service
    NIWA is using updated climate projections to help New Zealanders better understand climate-related risks.
  • Polar vortex July 2024

    The rare event driving the Southern Hemisphere’s weather

    Media release
    An unusual disturbance high above Antarctica is causing polar air to encroach on different parts of the Southern Hemisphere, including New Zealand.
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    NIWA's Silver Climate Jubilee: Celebrating 25 Years of Seasonal Forecasting

    Media release
    July 2024 marks a special anniversary for NIWA - 25 years of issuing our Seasonal Climate Outlook.
  • Weather hazards

    NIWA weather and climate information

    Software Tool/Resource
    Free sources of weather and climate information and data from NIWA.
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    Climate change is making scientists reassess what is “normal”  

    Media release
    NIWA has completed a major project to analyse how New Zealand’s “climate normals” are shifting.
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    Climate stations statistics

    Service
    NIWA generates ‘Statistics’ from Climate Station Observations collected as part of our Climate Station Network.
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    Climate station normals

    Service
    NIWA generates ‘Normals’ from Climate Station Observations collected as part of our Climate Station Network.
  • Takahe Valley climate station Fiordland

    National Climate Network

    Service
    Situated around New Zealand and the Pacific are climate and weather monitoring stations numbering over 1200.
  • Tagging sharks in Fiordland 2

    Tagging Fiordland sharks to monitor climate change

    Media release
    Tracking changes in broadnose sevengill sharks' behaviour in a warming climate.