Neutral El Niño – Southern Oscillation (ENSO) conditions remain present in the tropical Pacific. Residual signals indicative of weak La Niña conditions persist, and occasional La Niña-like atmospheric ...

The clean-up and site restoration of a New Zealand research station in Antarctica has provided valuable lessons on the challenges of contaminated sites, according to a study in the journal Polar ...

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 ...

ENSO-neutral conditions are now in place, and there is a 70% chance that ENSO-neutral conditions will continue during June-August 2025, followed by a 60% chance that ENSO-neutral will remain in place ...

Co-developing a suite of control tools that target vulnerable gold clam (Corbicula fluminea) life-stages to disrupt dispersal, reduce the risk of transfer, and to manage the gold clam at different ...

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 ...

The NIWA and MetService 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 ...

Forecasting sea surface temperatures several months in advance is challenging. To give us insights into what might happen around Aotearoa New Zealand in the months to come, NIWA scientists have ...

The table below shows 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 ...

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 ...