Atmospheric analysis

NIWA's goal is to provide the science to help New Zealanders transition to a sustainable future.

Find out more about our water quality tools.

Whitianga Wharf sea levels

RV Tangaroa is New Zealand’s only ice strengthened and dynamically positioned deep-water research vessel.

Follow NIWA's scientists as they explore the natural world, make new discoveries and share how people use their science.

Waikato exhibits a range of climates due to the variety of landscapes in the region.

Each waterway has its own particular characteristics relating to water flow, velocity, and quantity.

These datasets are available in a range of formats.

Tsunami is a Japanese word meaning great wave in harbour.

NIWA is leading a new six-year research project that seeks to increase our understanding of piharau/kanakana/lamprey, using Mātauranga Māori, social science and biophysical science approaches.

Maps of average annual rainfall, temperature and other climate variables have been produced for all of New Zealand, based on the period 1981–2010.