Atmospheric analysis

These datasets are available in a range of formats.

In comparison with regions exposed to the west, Gisborne experiences a greater number of weather and climatic extremes.

NIWA’s climate scientists can now confirm what you may have suspected. After carefully poring through more than a century’s worth of data, it has been officially determined that winter 2022 was Aotearoa New Zealand’s warmest and wettest on record.

We recognise that there's so much more to life than just work!

Presented papers, arranged by workshop programme.

Where and when do white sharks occur in New Zealand waters, and how can fisheries bycatch be reduced?

Chemical contaminants are chemicals toxic to plants and animals in waterways.

Hull-mounted on the RV Tangaroa, the EM302 multibeam echosounder maps the seafloor using a fan of 288 acoustic beams, producing up to 864 soundings per ping in dual swath mode, providing 100% coverage of the seabed.

As much of this climate zone is sheltered by high country to the west, south and in some areas to the east, it is the sunniest region of New Zealand.

Maps of the average first and last dates of soil moisture deficit are shown here.

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