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

  • (no image provided)

    Climate mapping

    Read about how NIWA can map any aspect of climate to help guide your organisation's response to a changing and variable climate.
  • Water quality tools

    Find out more about our water quality tools.
  • (no image provided)

    Mitigation and best practice options

    Some simple steps to minimise the effects of mining activities on water quality and mahinga kai.
  • Wellington science fair

    Science and Technology Fairs

    NIWA is a major sponsor of the Auckland, Manukau City, North Harbour, Waikato, Wellington, Canterbury and Bay of Plenty – Science & Technology Fairs.
  • Blogs

    Follow NIWA's scientists as they explore the natural world, make new discoveries and share how people use their science.
  • (no image provided)

    Weather plots: temperature and relative humidity

    Objective: to observe the relationship between temperature and relative humidity.
  • Waikato

    Waikato exhibits a range of climates due to the variety of landscapes in the region.
  • (no image provided)

    Cloud Imagery

    On this page
    NZ Region Cloud Analysis Australasian Region Infrared Hemispheric Infrared NZ High-res Visible Contact
    All transmissions from GMS-5 are no longer received at NIWA’s satellite reception station in Wellington. We are working on an alternative data feed and will be able to bring back these images later this year. Once we start receiving data again, it will then be calibrated, re-mapped onto standard map projections, and archived.
  • (no image provided)

    Tsunami

    Education Resource
    Tsunami is a Japanese word meaning great wave in harbour.
  • Restoration and enhancement of piharau / kanakana / lamprey

    Research Project
    NIWA is leading a new six-year research project that seeks to increase our understanding of piharau/kanakana/lamprey, using Mātauranga Māori, social science and biophysical science approaches.
  • (no image provided)

    Proud of your plants? 1 June 2017

    News article
    NIWA is doing a nationwide study to discover what makes the best riparian projects. Help us give you the knowledge to make the best riparian management decisions possible by taking our 5 minute survey.
  • New database sheds light on prehistoric tsunamis affecting New Zealand

    Media release
    The scientific records of palaeotsunamis to have affected New Zealand shores can now be accessed in a new one-stop information shop.