On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

Coastal hazards

NIWA's coastal hazards research is improving knowledge and providing tools to help understand coastal hazards and potential impacts for Aotearoa New Zealand – both now and in the future as sea levels continue to rise.

Extreme coastal flood maps for Aotearoa New Zealand

Go to the article

Coastal hazards

Research

Explore

Services

Go to the article

Resources

Explore

  • Link to source page

    South coast waves

    Wave hazard research

    Research Project
    NIWA collects wave data, develops and verifies wave forecasting systems, and is developing and producing wave projections.
    Weather forecasting
    Tides
    Waves

  • Link to source page

    (no image provided)

    2013 - Kaikoura tsunami risks

    News article
    22 March 2013
    Surveying work carried out by NIWA scientists this week is helping provide new insights into the tsunami risk from undersea landslides in the Kaikoura Canyon.
    Coastal hazards
    Tsunami
    Hazards