Climate & Weather

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

  • New Zealand experiencing 5x more temperature extremes than expected

    Feature story
    Stories of tremendous forest fires, huge storm events, and suffocating heatwaves have dominated headlines over the past few years. We instinctively feel that our weather is getting wilder. Are we finally living through those climate change warnings we’ve heeded for decades?
  • Will it be a fintastic fishing year?

    Feature story
    A marine heatwave is happening all around New Zealand. Warmer waters are more pleasant for swimming in and can create wilder weather. But what do they mean for fishing? Let’s dive into the science behind getting a good catch.
  • The great debate: when does summer begin? 

    Media release
    This Wednesday 22nd December, the sun reaches its highest position in the sky. It will be the Southern Hemisphere’s longest day of the year. Also known as the summer solstice, it marks the start of astronomical summer. But hang on, didn’t summer already begin? 
  • How we won the 36th America’s Cup

    News article
    Emirates Team New Zealand is known for their outstanding achievements on the world yacht racing stage and their drive for excellence in technical innovation. So how does a supercomputer become part of the team?
  • Hotspot Watch 16 December 2021

    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 December 2021

    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 - 3 December 2021

    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.
  • Our seas are sizzling again

    Media release
    Coastal sea temperatures around Aotearoa New Zealand have risen well above average, NIWA forecasters say.
  • Hotspot Watch 26 November 2021

    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.
  • Tropical Cyclone Outlook: November 2021-April 2022

    The NIWA and MetService assessment of named tropical cyclone (TC) activity indicates 9 to 12 named TCs could occur in the Southwest Pacific basin between November 2021 and April 2022. The seasonal outlook is for normal to slightly above normal activity in terms of overall named TCs in the region.
  • Pacific Sunrise

    Climate Data for the Environment Services Client (CliDEsc)

    Research Project
    CliDEsc is a web-based content management system and product generator library developed by NIWA in consultation with National Meteorological and Hydrological Services in the Pacific region, and with the Australian Bureau of Meteorology.
  • Hotspot Watch 18 November 2021

    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.