Atmospheric analysis

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

IrriSET helps farmers to understand the economic viability and environmental efficiency of various irrigation strategies and prioritise their irrigation investments.

Read NIWA's 2021 Half Year Report.

New Zealand’s weather is proving no exception to the record-breaking extremes occurring around the globe.

Te Piko o te Māhuri is a development initiative that provides pathways and opportunities for young Māori researchers across NIWA’s climate, freshwater and oceans platforms

NIWA proudly owns and operates RV Tangaroa, a 70 m Ice Class scientific platform.

NIWA meteorologists say people living in the lower North Island and eastern South Island are likely to get the best views of the Matariki star cluster during the upcoming weekend.

The Tongan volcanic eruption may be responsible for New Zealand’s unusually vibrant sunrises and sunsets, say NIWA scientists.

These booklets help provide guidance on the cultivation and restoration of native submerged macrophytes.

A new tool giving near real-time snow data has been made available to the public for the first time.

NIWA has updated and restarted a course using a riparian planning tool developed by one of its former chief scientists more than 20 years ago.

Estuaries are coastal waterbodies where freshwater mixes with seawater. Many estuaries in Aotearoa New Zealand have been impacted by pollutants and contaminants entering via freshwater.