This is the home for NIWA's UV and ozone research, including maps and graphs showing daily predictions and measurements for UV levels across New Zealand.

Plots of today's UV index are available in graphical form for Auckland, Wellington, Christchurch, Lauder and Invercargill.

On this page, you can find information about tide forecasts, sea-level network, tidal model of New Zealand's EEZ, and red-alert days for coastal flooding.

A study looking at the impact of sleep on depression in adolescents was 18 months in the making for Ellen Thompson.

NIWA's Tide forecaster provides tidal data for any point in New Zealand.

NIWA Weather is NIWA's public facing weather forecasting website. You'll find 2-day, hour-by-hour forecasts for locations across Aotearoa New Zealand, as well as forecast videos by our in-house meteorologists, animations showing rain forecasts, tide forecasts and NIWA's daily UV index.

This calculator estimates the solar energy that can be collected by a solar capture device (solar panel) at a given address, panel direction and roof slope.

A weekly update describing soil moisture patterns across the country to show where dry to extremely dry conditions are occurring or imminent.

Monitoring, managing, and delivering environmental information from the sky to the sea.

The Operations Management Team is responsible for the operational performance and effective delivery of NIWA's science, products, and services.

The Science Leadership Team is responsible for identifying and leading NIWA's research strategy, stakeholder management, and the development of services, products, and market opportunities.

The Executive Team is responsible for NIWA-wide strategy and performance.