NIWA collects wave data, develops and verifies wave forecasting systems, and is developing and producing wave projections.

One of the major consequences of climate change is rising global sea levels.

NIWA operates about 30 other Maritime New Zealand-certified vessels based at Bream Bay, Auckland, Hamilton, Rotorua, Turangi, Wellington, Nelson, Greymouth, Tekapo, Christchurch, and Dunedin.

New Zealand's first eel farm was established in 1971. Despite other farms opening in later years, no eel farms remained by the start of the 1980s.

Learn about different kinds of beachs and how they form, with diagrams and examples of each type.

How do hydro-electricity activities potentially influence waterway temperatures?

Some commonly-asked questions about tornadoes in New Zealand.

View data that show reported target catch and estimated bycatch.

Rig shark is an important inshore commercial fish species in New Zealand, and we need to understand more about their habitats, movements, nursery grounds and vulnerability to human impacts to ensure they are managed sustainably and their productivity is enhanced.

Greenhouse gases are atmospheric gases that intercept long-wave (mainly infrared) radiation emitted from the Earth's surface.

What are the potential sources of sediments from land use activities?

El Niño accounts for less than 25 percent of the year-to year variance in seasonal rainfall and temperature at most locations in New Zealand.