Atmospheric analysis

Several apps that provide forecasts of the UV index (UVI) are available for smartphones. 

The 3-panel Soil Moisture Deficit (SMD) map shows the historical soil moisture deficit at the date shown (left), the soil moisture deficit at the same time last year (middle) and the current soil moisture deficit (right).

Last Updated: July 2025

Impacts of mining on water quality and mahinga kai.

The New Zealand Palaeotsunami Database (Database) brings together all known information about tsunamis that occurred prior to written records.

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

These datasets are available in a range of formats.

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

The majority of New Zealanders are able to recall a story about catching eels when they were children.

More information about our online freshwater databases.

Like the GMS satellite, the NOAA Series of polar orbiting satellites (operated by NOAA, the US National Oceanic and Atmospheric Administration) are a component of the World Weather Watch meteorological satellite network.