Oceans

NIWA aims to provide the knowledge needed for the sound environmental management of our marine resources.

  • Marine heatwave developing

    Media release
    Coastal waters around Aotearoa New Zealand became unusually warm last month, say NIWA.
  • Chinese and New Zealand Scientists dive to one of the ocean's deepest regions

    Media release
    Scholl Deep is the deepest known point of the Kermadec Trench, which lies to the north of New Zealand.
  • Tonga eruption confirmed as largest ever recorded

    Media release
    A New Zealand-led team has completed the fullest investigation to date into January’s eruption of the underwater Tongan volcano.
  • Discovery of over a dozen new sponge species

    Media release
    In the latest NIWA Biodiversity Memoir, researchers examined and registered over 250 sponge specimens in the family Latrunculiidae, discovering 14 new species and 1 new fossil species.
  • Climate change experts tour New Zealand’s coastal wetlands

    Media release
    A group of international scientists are visiting some of New Zealand’s most significant coastal wetlands as part of a five-year research project to help the country adapt and prepare for sea-level rise.
  • Understanding the threat of sea level rise to NZ’s wetlands

    Media release
    Specialised monitoring equipment has been installed in Bay of Plenty estuaries to understand whether our coastal wetlands can survive the threat of inevitable sea-level rise.
  • Seaweed research and services

    Service
    NIWA has world-class expertise in marine macroalgae and extensive research on various aspects of seaweed ecology, growth and taxonomy.
  • Resources

    Guides and other tools
  • (no image provided)

    Ocean services

    Service
    How can we help you?
  • RV Tangaroa: New Zealand’s world-class research vessel

    NIWA proudly owns and operates RV Tangaroa, a 70 m Ice Class scientific platform.
  • Ki uta ki tai: NIWA’s role in mountains-to-sea estuarine management

    Media release
    Estuaries are coastal waterbodies where freshwater mixes with seawater. Many estuaries in Aotearoa New Zealand have been impacted by pollutants and contaminants entering via freshwater.
  • Going easy on the scallops

    Feature story
    From scallop beds to trawl nets, a little bit of data science can make a big difference. Melissa Bray explains.