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High Intensity Rainfall Design System (HIRDS)
ServiceHIRDS is a simple online tool that can estimate the magnitude and frequency of high intensity rainfall at any point in New Zealand. -
Extreme coastal flood maps for Aotearoa New Zealand
ServiceDecisions about how we adapt to sea-level rise need to be based on information about our exposure to coastal flooding. -
River flow forecasting
Research ProjectNIWA is developing a national river flow forecasting tool for New Zealand that aims to support and strengthen our planning for and response to extreme rainfall events. -
Updated national climate projections for Aotearoa New Zealand
Research ProjectThe development of updated national climate projections for Aotearoa New Zealand was completed in 2024. -
My Coastal Futures online game
Education ResourceThe My Coastal Futures game was developed to help people understand climate change impacts and start thinking about how they might adapt. -
High resolution drought forecasting
Research ProjectNIWA and the Ministry for Primary Industries (MPI) are working together to develop a new drought forecasting tool. -
RiskScape software
Research ProjectRiskScape is a software application for analysing natural hazard consequences. -
Mā te haumaru ō ngā puna wai ō Rākaihautū ka ora mō ake tonu: Increasing flood resilience
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. Find out more. -
Climate Change Adaptation Toolbox
ServiceThis Toolbox helps you find out about the changing climate, what it might mean for your business, organisation or community and what you can do about it. -
Providing climate change advice for New Zealand
ServiceRegional-scale climate projections assist local authorities to assess risks presented by climate change now and prepare their communities for the future impacts. -
NIWA can help you leverage updated climate projections
ServiceNIWA is using updated climate projections to help New Zealanders better understand climate-related risks. -
Future Coasts Aotearoa
Transforming coastal lowland systems threatened by sea-level rise into prosperous communities