Climate & Weather

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

  • Hotspot Watch 17 December 2020

    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.
  • Emirates Team NZ/NIWA Episode 1 Secrets of the Hauraki Gulf

  • Hotspot Watch 11 December 2020

    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 4 December 2020

    Hotspot
    Significant rainfall amounts of 30-70 mm occurred in western Waikato, Taranaki, Wairoa District, and Wellington, during the past week, with a few locations in these areas receiving up to 100 mm.
  • 2020 in top 10 warmest years for New Zealand

    Media release
    This year is on track to be one of New Zealand’s top 10 warmest on record, according to NIWA forecasters.
  • Hotspot Watch 27 November 2020

    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 19 November 2020

    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.
  • Marine heatwave conditions forming: NIWA

    Media release
    NIWA forecasters say a marine heatwave is forming around parts of New Zealand after sea surface temperatures (SSTs) warmed considerably last month.
  • Hotspot Watch 12 November 2020

    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 5 November 2020

    Hotspot
    In the North Island, moderate rainfall amounts of generally 25-50 mm occurred across much of Northland and Auckland during the past week, with generally 15-30 mm for much of the western North Island and the western Wellington Region. Conversely, the east coast (including Wairarapa) saw generally light rainfall amounts.
  • Hotspot watch 29 October 2020

    Hotspot
    A weekly update describing soil moisture patterns across the country to show where dry to extremely dry conditions are occurring or imminent.
  • Subterranean sensing

    Media release
    Once a year, technicians from NIWA’s North Island Field Team don helmets and head lamps to check a network of CO2 sensors in the world-renowned Waitomo Caves. The sensors help make sure that heavy breathing visitors aren’t wrecking the caves’ precious natural structures and microclimate.