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When high winds on the Auckland Harbour Bridge last September caused two trucks to topple over, one into a load-bearing strut, NIWA scientists began thinking about what role they could play in preventing it from happening again.
Final Hotspot Watch update for this season. Weekly Hotspot Watches will return in the spring.
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.

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NIWA’s research into forecasting weather systems aims to increase the resilience of New Zealand communities to weather-related hazards.

Latest videos

2019 New Zealand Climate Summary
NIWA climate scientist Nava Fedaeff presents the NIWA annual climate summary for New Zealand 2019.
Annual Climate Summary for 2018

New Zealand’s equal-2nd warmest year on record. Annual temperatures were above average across the majority of New Zealand, including much of the North Island as well as the western and southern South Island. See complete 2018 Annual Climate Summary details.

Weather Tips - What is El Niño?

El Niño. We hear it being brought up in the news quite a bit, but what does it actually mean? No, it's not a type of yoghurt!

El Niño Southern Oscillation (ENSO) neutral conditions continued during April 2020. The Southern Oscillation Index (SOI) was +0.1.
This is one of the most extreme drought events for Auckland in modern times and similar to one experienced in 1993/94.
Very dry for many parts of New Zealand.
Analysis of drought conditions across New Zealand this year shows it is one of the most severe on record for some regions.
High waves pounding Wellington’s south coast today are being caused by a deep area of low pressure passing the Chatham Islands, according to NIWA forecaster Ben Noll.
NIWA climate scientists are asking for volunteers to help give its historic weather project a quick, sharp boost.
Some people say that climate is what we expect, while weather is what we get.
2019 New Zealand Climate Summary
NIWA climate scientist Nava Fedaeff presents the NIWA annual climate summary for New Zealand 2019.
The weakening of the Southern Annular Mode and the Indian Ocean Dipole and the forecast for ENSO to remain neutral over the next three months indicate the absence of strong, persistent climate drivers for New Zealand.
Wet end to the year for much of New Zealand.
There are about 800km between the southern and northern tips of Tonga - and a lot of ocean.
In the past 10 years, more weather records have been broken than in any other time in New Zealand’s history.
If Santa is quick he can hop on a ridge of high pressure for his big trip to New Zealand very soon.
Temperatures for the summer season are expected to be above average for New Zealand, apart from the west of the South Island where there are about equal chances for near average or above average temperatures.
Novel handwriting recognition project casts new light on historic weather data.
Average temperatures overall with variable rainfall patterns.
For October to December, air pressure is forecast to be lower than normal in the New Zealand region, especially south of the country. This is expected to be associated with a westerly quarter air flow anomaly, particularly during November and December. Occasional easterly quarter winds are possible during October.
Variable temperature and rainfall patterns with frequent southwesterly winds.
7th-warmest winter on record and near normal rainfall
The central Pacific El Niño event that arrived in March 2019 has ended, giving way to ENSO neutral conditions, owing to cooling sea surface temperatures (SSTs) in the tropical Pacific and a neutral Southern Oscillation Index (SOI) during August.
NIWA meteorologists are keeping an eye on an unusual atmospheric phenomenon that is amassing in the polar stratosphere.
New Zealand’s 2nd-warmest July on record.
Weather forecasters will not be affected by Vodafone’s 5G network initial roll-out in New Zealand.
Despite a sharp cold snap in early August, seasonal temperatures are forecast to be near average or above average for all regions of New Zealand, owing to warmer than average coastal and regional sea surface temperatures.
An unusually dry start to winter.

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Principal Scientist - Coastal and Estuarine Physical Processes
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Coastal and Estuarine Physical Processes Scientist
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National Projects Manager
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