News

Read about the important science being undertaken at NIWA, and how it affects New Zealanders

  • Extended warmth for South Island

    Media release
    A large area of high pressure will take up residence east of New Zealand for the next few days, bringing more unusual springtime warmth to parts of the South Island from tomorrow through to late next week, says NIWA forecaster Seth Carrier.
  • NIWA's Hotspot Watch for 26 October 2017

    Hotspot
    A weekly update describing soil moisture across the country to help assess whether severely to extremely dry conditions are occurring or imminent. Across the North Island, soil moisture levels have generally not changed significantly during the past week, while across the South Island, soil moisture levels have generally decreased.
  • Southern spring sizzle sets records

    Media release
    An immense dome of high pressure stretched across the Tasman Sea onto the South Island yesterday, bringing the highest temperatures across New Zealand since April.
  • NIWA's Hotspot Watch for 19 October 2017

    Hotspot
    The first weekly update for the 2017-18 summer describing soil moisture across the country to help assess whether severely to extremely dry conditions are occurring or imminent.
  • Dramatic sea ice decline limits NIWA’s Antarctic research

    Media release
    A dramatic change in sea ice this year is likely to hamper a NIWA-led research project aiming to better understand how ice shelves will melt as the ocean warms.
  • Southern spring sizzle

    Media release
    An air flow extending from Australia on Thursday and Friday may bring near-record warmth to parts of the interior South Island, says NIWA forecaster Ben Noll. A large area of high pressure to the northwest of New Zealand will help steer this warm air across the Tasman Sea.
  • Southwest Pacific Tropical Cyclone Outlook update October 2017

    Media release
    Southwest Pacific Tropical Cyclone Outlook: Near-normal season expected, but with increased activity west, reduced activity east
  • Proud of your plants? Take the survey

    Media release
    A new online survey is forming the basis of the National Riparian Restoration Database, which will help scientists to improve understanding of how riparian buffers benefit waterways.
    Take the survey
  • Scientists mark 10th anniversary of ocean acidification research

    Media release
    A decade of scientific research into how ocean acidification is affecting New Zealand waters has led to far greater understanding of the vulnerability of our marine ecosystems, according to a newly published review.
  • Joining the flooded dots

    Feature story
    The term “joined-up government” was coined in the late 1990s to describe the coordination modern governments need to deal with large problems.
  • Double trouble from oyster pathogens

    Feature story
    The spread of Bonamia ostreae from Marlborough Sounds to oyster farms in Big Glory Bay (Stewart Island) could spread to the valuable wild oyster population.
  • Flood focus

    Feature story
    Autumn and winter rain caused damaging floods and slips across New Zealand, yet again. Susan Pepperell investigates the nation's evolving skill in avoiding and coping with water.