NIWA

Climate, Freshwater & Ocean Science

Homepage revamp Nov 2018

The week it snowed everywhere

21 November 2019
Novel handwriting recognition project casts new light on historic weather data.
Climate
Climate change
Weather
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Scientists brave winter in Antarctic waters

14 November 2019
The New Zealand ship Janas has recently returned from a six-week winter research voyage to the Ross Sea where scientists made the first observations of developing Antarctic toothfish embryos.
Antarctica
Fish
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NIWA to survey young snapper in Hauraki Gulf

7 November 2019
NIWA is heading out into the Hauraki Gulf this month to carry out a survey of juvenile snapper– the first of its kind for 20 years.
Fish
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Popular services and publications

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Tide forecaster
Cam-era
NiwaWeather
Seasonal Climate Outlook
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More top stories

31 October 2019
Media Release

Hot weekend awaits

This weekend, after a rather cool October, the beginning of November brings out the heat.
28 October 2019
Media Release

Leopard seal Owha injured in Auckland Harbour

Researchers are keeping a close eye on Owha, the leopard seal that has made Auckland Harbour her home, after she was seen bleeding from her face on Saturday morning.
22 October 2019
Media Release

Fish snack on microplastics

Microplastics are being fed to snapper, New Zealand’s most popular recreational fish species, at NIWA’s aquaculture research facility near Whangarei in a bid to establish some baseline data about how fish are being affected.
16 October 2019
Media Release

Researchers seek help on lobster catches

NIWA researchers are seeking the help of divers, snorkellers and lobster potters in the Hauraki Gulf and Bay of Plenty to learn more about how rock lobster are faring.
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CarbonWatchNZ

Combining measurements of greenhouse gases in the air above New Zealand with models that tell where those gases have come from, CarbonWatch NZ is giving us a bird's eye view of our country’s carbon balance.

Find out more

Features

Ocean acidification—what is it?

18 February 2019

The on-going rise of carbon dioxide (CO2) in the atmosphere is not only changing our climate—it is also changing our oceans. Take a look at the work of the NIWA-led CARIM project into what these changes may mean for the delicate balance of marine life.

Super-model for a worldwide stage

Super-model for a worldwide stage

12 June 2019
Demands for new weather and climate predictions are unprecedented as nations struggle to understand their exposure to risk from severe climatic events.

Protecting freshwater taonga

Protecting freshwater taonga

12 June 2019
Taonga species such as tuna (freshwater eels), kōura (freshwater crayfish) and kākahi (freshwater mussels) are central to the identity and wellbeing of many Māori.

A bird's-eye view of our carbon balance

A bird's-eye view of our carbon balance

13 June 2019
Dr Sara Mikaloff-Fletcher is looking to turn the internationally accepted science of monitoring greenhouse gas emissions upside down – and the rest of the world is watching closely.