A world-first study of marine life, including sea creatures found in New Zealand's dark, cold, pressurised ocean depths, has revealed that deep-sea life is surprisingly more connected than previously ...

June 2025 mean sea level air pressure was higher than normal to the south of Aotearoa New Zealand, and mostly near normal over the country. This was associated with more easterly winds than normal for ...

Disclaimer: The forecasts offered in this page draw upon modified Copernicus Climate Change Service Information [2022] (C3S, https://climate.Copernicus.eu). There is inherent uncertainty in ...

The latest update from TAN2502 Ross Sea RV Tangaroa “ACTUATE” Voyage ...

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 ...

Two students are on their way to the United States to represent New Zealand at the 'Olympics' of science fairs, the Regeneron International Science and Engineering Fair (ISEF) in Columbus, Ohio.

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, ...

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 ...