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NIWA’s science services are delivered by our thirteen National Centres. Each centre conducts a raft of research contributing to a high level outcome for New Zealand.

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We provide accurate weather forecasts powered by NIWA's supercomputer.

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Latest News

NIWA's Hotspot Watch for 19 October 2017

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

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

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

Southwest Pacific Tropical Cyclone Outlook: Near-normal season expected, but with increased activity west, reduced activity east

Proud of your plants?

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.