If you're moving to join us here at NIWA, we want to say thanks for choosing us by helping you with your big move.

NIWA provides national capabilities in Water Quality Monitoring.

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

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.

Some commonly-asked questions about tornadoes in New Zealand.

Last Updated: July 2025

View annual, seasonal and monthly summaries of temperature, rainfall and sunshine data from across New Zealand.

View data that show reported target catch and estimated bycatch.

Impacts of mining on water quality and mahinga kai.

NIWA has working relationships with hundreds of organisations in New Zealand and overseas.

These datasets are available in a range of formats.