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A weekly update describing soil moisture patterns across the country to show where dry to extremely dry conditions are occurring or imminent. Regions experiencing significant soil moisture deficits are deemed “hotspots”. Persistent hotspot regions have the potential to develop into drought.
A weekly update describing soil moisture patterns across the country to show where dry to extremely dry conditions are occurring or imminent. Regions experiencing significant soil moisture deficits are deemed “hotspots”. Persistent hotspot regions have the potential to develop into drought.
A weekly update describing soil moisture patterns across the country to show where dry to extremely dry conditions are occurring or imminent. Regions experiencing significant soil moisture deficits are deemed “hotspots”. Persistent hotspot regions have the potential to develop into drought.
A weekly update describing soil moisture patterns across the country to show where dry to extremely dry conditions are occurring or imminent. Regions experiencing significant soil moisture deficits are deemed “hotspots”. Persistent hotspot regions have the potential to develop into drought.

Our work

NIWA is leading a New Zealand partnership to map the South and West Pacific Ocean's seabed as part of a worldwide initiative to map the entire globe’s seafloor.
Clouds over the ocean, and how they trap or emit radiation from the sun, are partly influenced by the biology, biogeochemistry and physics of the surface ocean below.
NIWA’s research into forecasting weather systems aims to increase the resilience of New Zealand communities to weather-related hazards.
Our Future Climate New Zealand is an interactive website that lets you to look at projections for a number of climate variables for New Zealand between now and 2100.

Latest videos

Glacier melt: A Time Capsule

Since 2016 enough ice has melted from the South Island’s Brewster Glacier to meet the drinking water needs of all New Zealanders for three years.

Tropical Cyclone Outlook: November 2021-April 2022
The NIWA and MetService assessment of named tropical cyclone (TC) activity indicates 9 to 12 named TCs could occur in the Southwest Pacific basin between November 2021 and April 2022. The seasonal outlook is for normal to slightly above normal activity in terms of overall named TCs in the region.
Tropical Cyclone Outlook: November 2020-April 2021

The NIWA and MetService assessment of named tropical cyclone (TC) activity indicates 8 to 10 named TCs could occur in the Southwest Pacific basin between November 2020 and April 2021. This seasonal outlook is for normal to below normal activity in terms of overall named cyclone systems in the region. 

2019 New Zealand Climate Summary
NIWA climate scientist Nava Fedaeff presents the NIWA annual climate summary for New Zealand 2019.
Two ex-tropical cyclones impact New Zealand
New Zealand's hottest summer on record.
With La Niña’s influence waning over the next three month period, New Zealand’s regional climate over March – May 2018 is expected to be driven by the warmer than average ocean waters that are present around the country.
Despite a sub-tropical storm and two ex-tropical cyclones, this summer is about to become the hottest in history.
Auckland region climate change projections and impacts | Auckland Council

Auckland Council and Council Controlled Organisations commissioned NIWA to provide climate change projections, including high-resolution maps for the Auckland Region.

Apart from waning La Niña conditions, New Zealand’s regional climate over the next three month period is expected to be dominated by the very warm ocean waters present around the country, in the Tasman Sea, and in the Southwest Pacific Ocean.
January 2018 was New Zealand’s hottest month on record (since 1909) using NIWA’s seven-station series. Dozens of locations observed their record or near-record high mean temperature for January.
NIWA 2017 Annual Climate Summary

Chris Brandolino (Principal Scientist - Forecasting) presents the 2017 Annual Climate Summary. See the detailed Annual Climate Summary.

A very warm and dry month
A year of weather extremes across New Zealand
Four seasons with a little bit of everything. It started with the bummer summer… then came the fires, rain, flooding and a very weird November. But it’s all in a year of weather as NIWA wraps up the seasonal highlights.
If history is anything to go by, Wellington and Christchurch are the main centres most likely to experience a dry Christmas Day, while Auckland and Hamilton are the least likely. That’s according to a new climate study undertaken by NIWA meteorologist Ben Noll.
Equal second-warmest spring on record for New Zealand
Hot in the south and dry countrywide to end spring
More than 50 “weather detectives” from 20 countries will be in Auckland next week to share their experiences saving snippets of meteorological history that will ultimately help scientists better understand the processes of climate variability and change.
A weekly update describing soil moisture across the country to help assess whether severely to extremely dry conditions are occurring or imminent. Regions experiencing these soil moisture deficits are deemed “hotspots”. Persistent hotspot regions have the potential to develop into drought.
Does climate change affect the position of the Subtropical Front around New Zealand? This has important consequences for New Zealand's climate and biological productivity.
A very dry and warm month for the South Island interior
The tropical Pacific is still officially in a ENSO (El Niño Southern Oscillation) neutral state, but some indicators have leaned more towards La Niña conditions during the course of October 2017.
A large area of high pressure will take up residence east of New Zealand for the next few days, bringing more unusual springtime warmth to parts of the South Island from tomorrow through to late next week, says NIWA forecaster Seth Carrier.
An immense dome of high pressure stretched across the Tasman Sea onto the South Island yesterday, bringing the highest temperatures across New Zealand since April.
A wet month for many and warm on the eastern coasts.
Many atmospheric and oceanic indicators in the tropical Pacific are on the La Niña side of neutral, although not yet strong enough to reach La Niña thresholds.

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