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 ...

A mystery specimen has been identified as a species never documented in New Zealand waters. Thousands of specimens were collected during NIWA’s three-week Ocean Census voyage to the unexplored Bounty ...

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 ...

A La Niña Watch remains in effect with a 60-70% chance that an event officially develops by December. La Niña-like patterns will favour more high pressure south of New Zealand over the next three ...

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 ...

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 ...

NIWA has been awarded $10.2m to eradicate an invasive clam that was only recently discovered in New Zealand waters. The freshwater gold clam, or Corbicula fluminea, is native to eastern and southeast ...

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What are the key messages? The fifth and final stage of the process is to provide messages to help integrate hazard, risk, and adaptation information into the local government decision-making and ...

The December 2018 New Zealand combined Hydrological and Meteorological Society conference called for a new category of presentation that was short, interesting and artistic. Dr Graeme Smart (NIWA ...

Will the risk of rainfall-induced landslides change? The Tools in Bin 2.3 provide background on rainfall-induced landslide processes and demonstrate a method of estimating future landslide risk.

Rainfall tercile tables for several locations in the North of the North Island. Data are based on the 30-year period 1971-2000. The ranges for each tercile are: below normal = second lowest to 33rd ...