Scientists have uncovered a key piece of the puzzle behind the unusual ‘slow earthquakes’ occurring off the east coast of New Zealand’s North Island.

Many of our iconic native fish species, such as whitebait and eels, rely on river flows to cue key life-cycle stages, including migration and reproduction. As pressures on water resources increase, ...

NIWA welcomes the news its merger with GNS will come into effect by 1 July. The Minister of Science, Innovation, and Technology, Hon. Shane Reti, has announced that our two organisations will join to ...

Seasonal air temperatures are expected to be above average across all New Zealand regions, with particularly warm overnight temperatures driving this trend.

State Owned Enterprises Minister Simeon Brown and Science, Innovation and Technology Minister Shane Reti today jointly announced that Cabinet has agreed to proceed with NIWA’s acquisition of ...

New Zealand could face twice as many of the most extreme atmospheric rivers by the end of the century, according to new research. Not only could the narrow bands of concentrated water vapour increase, ...

The risk of undersea landslides and their potential to cause tsunamis along New Zealand’s east coast is being investigated by scientists aboard the German research vessel RV Sonne as part of a ...

Thirty eight scientists and crew have set sail this week for Antarctica on NIWA’s research vessel Tangaroa, with the aim of going as far south as the Ross Ice Shelf - a first for the ship.

Overview 2024 was Aotearoa New Zealand’s 10th-warmest year on record. The 2024 nationwide average temperature calculated from NIWA’s seven station series was 13.25˚C, being 0.51˚C above the 1991-2020 ...

To give us insights to sea surface temperatures, NIWA scientists have combined predictions from 8 climate models from institutes around the world.

November 2024 was characterised by a large belt of higher-than-normal mean sea level pressure that straddled Aotearoa New Zealand and the surrounding seas. This pressure setup resulted in a relatively ...

Microbes - such as those living in wetlands, landfills or the digestive tracts of livestock – are behind unprecedented spikes in methane emissions.