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

  • 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.
  • Other vessels

    Facility
    NIWA operates about 30 other Maritime New Zealand-certified vessels based at Bream Bay, Auckland, Hamilton, Rotorua, Turangi, Wellington, Nelson, Greymouth, Tekapo, Christchurch, and Dunedin.
  • (no image provided)

    Water temperature and hydro

    How do hydro-electricity activities potentially influence waterway temperatures?
  • (no image provided)

    Soil Moisture Deficit (SMD)

    The 3-panel Soil Moisture Deficit (SMD) map shows the historical soil moisture deficit at the date shown (left), the soil moisture deficit at the same time last year (middle) and the current soil moisture deficit (right).
  • New Zealand Palaeotsunami Database

    Software Tool/Resource
    The New Zealand Palaeotsunami Database (Database) brings together all known information about tsunamis that occurred prior to written records.
  • (no image provided)

    Tuna - recreational fisheries

    The majority of New Zealanders are able to recall a story about catching eels when they were children.
  • Submerged plants as bio-indicators

    Submerged plants have a number of advantages that favour their use as indicators of lake ecological condition.
  • Regional climatologies

    A regional climatology is a summary of the typical weather and climate of a region, based on historical data observations made at climate stations located within the region.
  • Atlantis ecosystem model

    Atlantis is a 3D, spatially-explicit, trophodynamic ecosystem model that integrates biology, physics, chemistry and human impacts to provide a synoptic view of marine ecosystem function.
  • 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.
  • Canterbury Wave Conditions

    Software Tool/Resource
    NIWA run a computer model which simulates wave heights across the Canterbury continental shelf and along the coast.
  • (no image provided)

    Mitigation and best practice options

    Some simple steps to minimise the effects of aquaculture activities on water quality and mahinga kai.