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.

  • New tsunami monitoring system for Pacific

    Feature story
    A network of state-of-the-art tsunami buoys is being deployed from New Zealand up into the Pacific to keep communities safer.
  • Tsunami evacuation zones home to 1 in 10 New Zealanders

    Media release
    NIWA scientists have completed the first national assessment of people and buildings at risk in New Zealand’s tsunami evacuation zones.
  • (no image provided)

    Small sea-level rises to drive more intense flooding, say scientists

    Media release
    A little can mean a lot – especially when it comes to the relationship between sea level rise and coastal flooding.
  • Adaptive futures: a serious game for climate change adaptation

    Research Project
    NIWA is using serious games to look at problems holistically and provide a framework for climate change adaptation decision-making.
  • NIWA joint winner of 2018 Terry Healy Coastal Project Award

    Media release
    A trio of lead authors from NIWA has been named alongside the Ministry for the Environment and others as joint winner of the 2018 Terry Healy Coastal Project Award.
  • A say on the sea shore

    Feature story
    Coastal communities around New Zealand are getting a say on how to respond to sea-level rise, and NIWA is helping them.
  • Te Huringa ki te Rangi – He Rautaki Tāwariwari

    Te Huringa ki te Rangi is a decision-making model to support indigenous and coastal communities.
  • Councils get help to prepare for sea-level rise

    Media release
    A senior NIWA scientist is concerned many councils are having difficulty “getting off the starting blocks” when it comes to planning for coastal climate change.
  • DART buoy

    2017 - NOAA tsunami warning station

    A tsunami reporting station situated in the Pacific Ocean that is currently off line is to be upgraded in a joint operation involving New Zealand and United States government agencies.
  • Sea-level rise

    Education Resource
    One of the major consequences of climate change is rising global sea levels.
  • Wave action

    Feature story
    New Zealand’s coast is sculpted by ocean waves. Some wave conditions bring joy to surfers and beachgoers, but, at other times, waves can cause major hazards at sea or along the shore.
  • Planning for coastal adaptation

    Service
    Coastal risk exposure for New Zealand, adaptation guidance for local government and relevant summaries of previous court cases and Building Act 2004 determinations.