Climate & Weather

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

  • Kiribati sea wall

    Coastal inundation risk in the Pacific

    News article
    Researchers created national sea-level risk profiles for populations, buildings, croplands & infrastructure under present & future climate scenarios.
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    Climate Station daily/hourly data

    Service
    NIWA collects daily/hourly data as part of the Climate Station Network. Parameters vary station to station.
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    Climate Station raw data (10 min)

    Service
    NIWA collects and generates as part of its Climate Station Network observational data in “10 min” format (data reported in 10 minute intervals).
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    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.
  • Clouds-landscape

    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.