Atmospheric analysis

Aotearoa-New Zealand’s marine area covers 167,650 square kilometres presenting a staggering distribution of climates, from subtropical to subantarctic waters, to understand and manage.

Experts are warning Kiwis to be extra cautious this summer, with ultraviolet (UV) radiation levels averaging higher compared to 2021.

From the lowest depths to the highest reaches, our more than 700 staff work in the most beautiful environments on Earth. The urge to capture the moment is often irresistible, so each year we celebrate our staff’s best snaps in the NIWA photography competition.

Read NIWA's 2022 Year in Review.

Read NIWA's 2021/22 Annual Report.

Specialised monitoring equipment has been installed in Bay of Plenty estuaries to understand whether our coastal wetlands can survive the threat of inevitable sea-level rise.

This guide discusses design principles and provides high-level information about the likely performance of riparian buffers.

NIWA has world-class expertise in marine macroalgae and extensive research on various aspects of seaweed ecology, growth and taxonomy.

Terms and conditions for NIWA serious games.

NIWA is part of a multi-agency biosecurity response to an invasive seaweed discovered at Aotea Great Barrier Island and subsequently at Ahuahu Great Mercury Island.