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

A New Zealand-led team has completed the fullest investigation to date into January’s eruption of the underwater Tongan volcano. Hunga-Tonga Hunga-Ha'apai (HT-HH) emitted the biggest atmospheric ...

NIWA’s annual end-of-summer snowline survey has revealed continued loss of snow and ice for New Zealand’s famous glaciers.

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 ...

New maps from NIWA and the Deep South National Science Challenge show areas across Aotearoa New Zealand that could be inundated by extreme coastal flooding. They show a large storm-tide with the ...

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.

Outlook Summary El Niño has officially arrived. A majority of NIWA’s criteria for classifying an El Niño event were satisfied during September. In particular, the Southern Oscillation Index was firmly ...

Our official statement in response to Ian Wishart's report about NIWA's Historic Weather Events Catalogue website.

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.

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

Jessica Rowley talks to three NIWA researchers trying to piece together what’s happening to the world’s largest ice shelf.

Stories of tremendous forest fires, huge storm events, and suffocating heatwaves have dominated headlines over the past few years. We instinctively feel that our weather is getting wilder. Are we ...