A NIWA-led study has found New Zealand’s native forests are absorbing more carbon dioxide (CO2) than previously thought.

Regional predictions for June – August 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 of ...

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 ...

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

The rapid impact assessment tool provides a scenario model framework to rapidly assess natural hazard exposure or impacts.

The NIWA and MetService assessment of tropical cyclone activity indicates six to 10 named TCs could occur in the Southwest Pacific from November 2024-April 2025.

NIWA is pleased with the announcement today by the Science, Innovation and Technology Minister of the Government’s response to a recent review of New Zealand’s weather forecasting system.

Scientists have found a new ghost shark that lives exclusively in the deep waters of Australia and New Zealand. The Australasian Narrow-nosed Spookfish was described by NIWA Fisheries Scientist Dr ...

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

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

NIWA scientists have mapped the whole of Lake Wānaka in incredible detail. They have done the work to better understand its underwater structure and potential for earthquakes and tsunamis, after an ...