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 any forecast guidance there would be an ...

Our assessment of tropical cyclone (TC) activity for the coming season indicates normal to below normal activity. [Tropical cyclones are categorised in strength from 1 to 5, with 5 being most intense.

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 any forecast guidance there would be an ...

Over 220,000 m 3 of sediment was eroded from just 9.1km of Ūawa/Hikuwai riverbanks in Gisborne (Tairāwhiti). This corresponds to 24 m 3 of sediment for each metre of river channel, or around 1,500 ...

This sonar technique uses a transducer in the ship’s hull to map the seafloor and create high-resolution images for the science team to plan their sampling. In addition, it gives the ship’s bridge ...

New Zealand’s newest and largest supercomputer has produced its first weather forecast. Science, Innovation and Technology Minister Shane Reti was there to celebrate the milestone and to help deliver ...

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 any forecast guidance there would be an ...

ENSO-neutral (El Niño – Southern Oscillation) conditions remain present in the tropical Pacific. In June 2025, atmospheric patterns in the Pacific continued to be intermittently consistent with weak ...

New high-resolution modelling predicts that rainfall from tropical cyclones will significantly increase under global warming. Earth Sciences New Zealand and the University of Waikato found that, under ...

New Zealand’s ocean temperatures are rising and marine heatwaves - periods of unusually warm ocean temperatures which persist for five or more days - are becoming more frequent and severe, with ...

A NIWA-led study has found New Zealand’s native forests are absorbing more carbon dioxide (CO 2) than previously thought. Study leader, NIWA atmospheric scientist Dr Beata Bukosa, says the findings ...

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 ...