ENSO-neutral conditions remain in place, and there is a 55% chance that ENSO-neutral conditions will continue during September-November 2025.

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.

New high-resolution modelling predicts that rainfall from tropical cyclones will significantly increase under global warming.

NIWA’s flagship programmes bring together experts, partners and technologies to tackle key environmental challenges and deliver solutions to help New Zealand build resilience and manage its ...

Feb-Apr 2023 SCO Rainfall Regional predictions for February – April 2023 Northland, Auckland, Waikato, Bay of Plenty The table below shows the probabilities (or percent chances) for each of three ...

The construction of improved climate information and services in Vanuatu has posed unique logistical challenges.

Regional predictions for August – October 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 ...

On 29 September 2015 the Prime Minister of New Zealand, Rt Hon John Key, announced a new Kermadec Ocean Sanctuary stretching from Raoul Island in the north to L’Esperance Rock in the south – covering ...

New Zealand’s 4th-warmest July on recordJuly 2025 mean sea level air pressure was higher than normal to the southeast of Aotearoa New Zealand, mostly near normal over the country, and lower than ...

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 ...

The new Cray XC50, the most significant component of NIWA's High Performance Computing Facility in Wellington. Supercomputers have been helping answer some of New Zealand’s biggest science questions ...

ENSO-neutral conditions remain in place, and there is a 60% chance that ENSO-neutral conditions will continue during August-October 2025.