Severe gales reaching speeds of as high as 155km/h (96mph) have caused around 90,000 homes lacking electricity and led agencies to call off over 100 air travel services, as reported by regional news sources.
The winds are affecting the entire South Island and southern parts of the northern region, per the weather forecasting body.
New Zealand authorities have announced infrequent severe gust advisories - the top caution category - in key areas encompassing Wellington and Canterbury.
Residents have been encouraged to remain inside, stay off roads, and make arrangements for further utility disruptions.
Widespread Impact and Emergency Measures
The power cut appears to be affecting households mainly in the South Island, although authorities report that energy was being restored progressively.
Domestic outlets have stated that in certain areas homes have lost their roofs, whereas power lines and trees have been toppled by the gales.
Within the capital, a man was fatally injured after being hit by a wooden fragment at a frequent walking route on Tuesday.
Meanwhile in Wellington, a individual was blown onto approaching vehicles on a thoroughfare by a powerful blast, in a incident that was captured in a popular vehicle recording.
Aircraft services to and from the metropolis have been cancelled because of the gusts, whereas various routes and public facilities are shut down.
At the same time Canterbury officials have announced a crisis declaration, to assist disaster response efforts.
Work Stoppages During Severe Conditions
The wild winds on this day coincide with tens of thousands of teachers, doctors and other public workers are engaged in what has been described as a "significant labor action", calling for better pay and working conditions.
Yet the severe conditions has forced them to change some of their plans, with several external protests shifted to interior venues or called off.
Similar gusts are affecting the neighboring country, bringing a high-temperature event to the country's outback.
Officials have issued flame prohibitions for fear of wildfires.
