Climate & Weather

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

  • Cyclone Gabrielle in NZ 2023

    Climate change

    Climate change effects are accelerating, driving the need for actions informed by sound climate knowledge.
  • Hotspot Watch 24 March 2023

    Hotspot
    A weekly update describing soil moisture patterns across the country to show where dry to extremely dry conditions are occurring or imminent.
  • Dramatic changes in New Zealand river flows, research finds

    Media release
    River flows in New Zealand have changed dramatically over the past 50 to 90 years as the climate has varied, a new study has found.
  • Hotspot Watch 17 March 2023

    Hotspot
    A weekly update describing soil moisture patterns across the country to show where dry to extremely dry conditions are occurring or imminent. Regions experiencing significant soil moisture deficits are deemed “hotspots”. Persistent hotspot regions have the potential to develop into drought.
  • Hotspot Watch 10 March 2023

    Hotspot
    A weekly update describing soil moisture patterns across the country to show where dry to extremely dry conditions are occurring or imminent. Regions experiencing significant soil moisture deficits are deemed “hotspots”. Persistent hotspot regions have the potential to develop into drought.
  • NIWA's Historic Weather Events website

    Media release
    Our official statement in response to Ian Wishart's report about NIWA's Historic Weather Events Catalogue website.
  • 2022-23 Summer Climate Summary from NIWA Meteorologist/Forecaster Ben Noll

    It has been a summer to remember, but not in a good way.
  • In numbers: New Zealand’s wild summer weather

    Media release
    It has been a summer to remember, but not in a good way.
  • Hotspot Watch 2 March 2023

    Hotspot
    A weekly update describing soil moisture patterns across the country to show where dry to extremely dry conditions are occurring or imminent.
  • Hotspot Watch 24 February 2023

    Hotspot
    A weekly update describing soil moisture patterns across the country to show where dry to extremely dry conditions are occurring or imminent.
  • Record low sea ice levels mixed bag for Antarctic voyage

    Media release
    Scientists from the National Institute of Water and Atmospheric Research (NIWA) have returned from a six-week voyage to Antarctica.
  • Research aims to quantify New Zealand’s Blue Carbon capacity of kelp seaweeds

    Media release
    A research project co-led by Blue Carbon Services and NIWA will aim to provide New Zealand’s first national estimate of natural kelp-carbon sequestration in the marine environment.