Severe winds hitting speeds of as high as 155km/h (96mph) have resulted in nearly 90,000 properties lacking electricity and forced officials to cancel more than 100 flights, according to domestic outlets.
The winds are affecting the complete South Island and southern sections of the North Island, as stated by the weather forecasting body.
Officials in New Zealand have released infrequent severe gust advisories - the top caution category - in central regions encompassing these major districts.
Residents have been encouraged to avoid going outside, stay off roads, and prepare for additional power and communication outages.
Widespread Damage and Emergency Response
The electricity loss seems to be impacting residences mainly in the southern region, though authorities state that energy was being gradually reinstated.
Regional news have reported that in certain areas structures have suffered roof damage, while power lines and trees have been toppled by the winds.
In Wellington, a person was lost his life after being hit by a tree branch at a well-known hiking path on Tuesday.
Also in the capital, a woman was blown onto approaching vehicles on a thoroughfare by a powerful blast, in a event that was recorded in a widely shared car camera footage.
Air travel in and out of the metropolis have been suspended as a result of the winds, and various routes and public facilities are also closed.
At the same time authorities in Canterbury have issued a state of emergency, to facilitate recovery activities.
Work Stoppages During Severe Weather
These intense gusts on this day coincide with numerous of educators, medical professionals and government employees are participating in what has been called a "mega strike", requesting improved salaries and workplace environments.
Yet the intense climate has forced them to modify various scheduled activities, with some outdoor rallies relocated inside or abandoned.
Similar gusts are impacting the neighboring country, ushering in a high-temperature event to the remote areas.
Officials have announced burning restrictions for apprehension regarding bushfires.