Today's UV IndexMeasured in Auckland (Leigh Marine Observatory), Paraparaumu, Christchurch, Lauder, Invercargill. Click on the thumbnail to see a larger version of each of these graphs. Time series of ...

Fiona Proffitt investigates the state of New Zealand's freshwater resources and the solutions science can offer As New Zealand tries to squeeze maximum value out of its natural resources, conflicts ...

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 ...

Chris Appleby and Hilary McMillan measuring river flow in Halcombe Creek, Canterbury. Predicting floods A model that is essential to understanding floods, and forecasting them, is one that simulates ...

Regional predictions for June – August 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 of ...

Regional predictions for December 2024 – February 2025 The tables below show the probabilities (or percent chances) for each of three categories: above average, near average, and below average. In the ...

Kevin Mackay, Marine Geologist / TESMaP voyage leader. Kevin in the seismic lab at Greta Point looking at the Hunga Tonga-Hunga Ha'apai volcano 3D map. [Photo: NIWA-Nippon Foundation TESMaP / Rebekah ...

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 ...

Tropical cyclone outlook summary for New Zealand On average, at least one ex-TC passes within 550 km of New Zealand each year. This season, the risk is considered normal-elevated. If an ex-TC tracks ...

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 ...

January was Auckland's wettest month since records began, according to meteorologists. The Central Auckland Rainfall series recorded a total of 539 mm of rain at Albert Park, smashing the previous ...

November 2024 was characterised by a large belt of higher-than-normal mean sea level pressure that straddled Aotearoa New Zealand and the surrounding seas. This pressure setup resulted in a relatively ...