Research

This project aims to establish connections between weather and river flow forecasting, inundation prediction and risks to people and assets.

Understanding the trends in recreational fisheries is key to ensuring sustainable fisheries across the country.

The Tongan deepwater demersal line fishery is a valuable source of income, livelihood, and social well-being for the people of Tonga. The fishery has a history of boom-and-bust cycles with fluctuating catches and poor economic returns.

Updated 2025 – guidance for water quality monitoring in rivers, lakes and estuaries

On this page, you can find information about tide forecasts, sea-level network, tidal model of New Zealand's EEZ, and red-alert days for coastal flooding.

This NIWA-led, three-year project developed a high-tech protype system to minimise bycatch of unwanted species in trawl gear.

Mangrove systems on oceanic atolls may lose the race to keep pace with sea-level rise.

Climate has always been important for Māori. It affects natural environmental systems and resources, influences social-ecological knowledge and practice, shapes community vulnerability and resilience.

Funded by the Ministry of Health, NIWA air quality researchers are carrying out research to understand ventilation behaviour and examine how well spaces used by our most vulnerable populations are, and could be, ventilated.

NIWA and Surf Life Saving New Zealand are working together to develop a state-of-the-art, rip current identification tool.

Little is known what impact artificial streetlights have on flying freshwater insects which are integral to our waterway ecosystems.

University of Canterbury’s Professor Matthew Wilson, one of the Mā te haumaru ō te wai research team, gives us some insight on uncertainty.