David Smol, Board Chair for the New Zealand Earth Sciences Institute has announced the appointment of John Morgan as the Transition Chief Executive. This appointment is effective from 1 July 2025 and ...

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 ...

Seven nations sharing world’s longest mountain range already impacted by climate change Climate change is already reshaping life and landscapes across the world’s longest mountain range which extends ...

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 ...

January 2025 was characterised by lower than normal mean sea level pressure (MSLP) to the east of Aotearoa New Zealand, with more southeasterly airflows than normal. This contributed to temperatures ...

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 ...

Regional predictions for January – March 2025 The tables below show the probabilities (or percent chances) for each of three categories: above average, near average, and below average. In the absence ...

New Zealand’s 5th-warmest December on recordDecember 2024 was characterised by lower than normal mean sea level pressure (MSLP) over and surrounding Aotearoa New Zealand. This produced more easterly ...

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 ...

Regional predictions for December 2024 – February 2025 The tables below show the probabilities (or percent chances) for each of three categories: above average, near average, and below average. In the ...