NIWA

Climate, Freshwater & Ocean Science

Homepage revamp Nov 2018

New reports highlight flood risk under climate change

21 August 2019
Two reports released today by NIWA and the Deep South National Science Challenge reveal new information about how many New Zealanders, how many buildings and how much infrastructure could be affected by extreme river and coastal flooding from storms and sea-level rise.
Climate change
Coasts
Flood
Natural hazards
Resource management
Read all news releases...

Rare weather phenomenon possible

22 August 2019
NIWA meteorologists are keeping an eye on an unusual atmospheric phenomenon that is amassing in the polar stratosphere.
Climate
Rainfall
Weather
Wind
Read all news releases...

Avocado Time Machine takes top prize at the NIWA BOP Science Fair

22 August 2019
Frustration with buying fruit and vegetables that are never ready to eat prompted a 13-year-old Tauranga girl to a design a machine to help.
Biotechnology
Read all news releases...

Popular services and publications

UV index
Tide forecaster
Cam-era
NiwaWeather
Seasonal Climate Outlook
Our services

More top stories

22 August 2019
Media Release

Student buzzing after winning Waikato science fair

A 12-year-old has taken on the most damaging honey bee parasite in the world to win the NIWA Waikato Science and Technology Fair.
13 August 2019
Media Release

Eyeless worm a window into our diverse ocean

A worm that feeds on bacteria and has no eyes is one of the standout stars of almost 600 unfamiliar and potentially new ocean species identified at NIWA in the past year.
2 August 2019

5G and NZ weather forecasting

Weather forecasters will not be affected by Vodafone’s 5G network initial roll-out in New Zealand.
1 August 2019
Media Release

New Zealand to have world-leading hazard risk modelling tool

EQC, GNS Science and NIWA have joined forces to further develop world-leading natural hazards risk modelling for New Zealand.
Read all news releases...
Read all news releases...

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.