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Mā te haumaru o ngā puna wai o Rākaihautū ka ora mō ake tonu
Research ProjectThis five-year NIWA-led research programme is developing a system to map flood hazard consistently across the whole country. It will reveal how our flood risk might change over the next 100 years because of changes to rainfall and sea level from climate change, as well as due to land-use changes. -
Forecasting weather systems
Research ProjectNIWA’s research into forecasting weather systems aims to increase the resilience of New Zealand communities to weather-related hazards. -
NIWA Weather: public weather forecasting
NIWA Weather is NIWA's public facing weather forecasting website. -
Climate Change Adaptation Toolbox
ServiceThis Toolbox helps you find out about the changing climate, what it might mean for your business, organisation or community. -
Seasonal Climate Outlook
Publication seriesAir temperature, rainfall, soil moisture and river flow predictions for the coming season. -
Overview of New Zealand's climate
Find information about New Zealand's temperature record and climate change in our information and resources section. -
Climate extremes
Hottest, coldest, wettest, driest, sunniest, windiest...which places hold the record for climate extremes in NZ? -
Providing climate change advice for New Zealand
ServiceRegional-scale climate projections assist local authorities to assess climate risks and help communities prepare for impacts. -
Climate Observations
Research ProjectClimate Observations is a core-funded project under our Future Climate Flagship Programme. Our work explores recent instrumental data, historical observations and natural archives to track variability and changes in climate. -
'Seven-station' series temperature data
Research ProjectNIWA's long-running 'seven-station' series shows NZ's average annual temperature has increased by about 1°C over the past 100 years. -
Hotspot Watch 5 December 2025
Hotspot05 December 2025A weekly update describing soil moisture patterns across the country to show where dry to extremely dry conditions are occurring or imminent. -
Hotspot Watch 28 November 2025
Hotspot28 November 2025A weekly update describing soil moisture patterns across the country to show where dry to extremely dry conditions are occurring or imminent.