Powerful winds reaching speeds of as high as 155km/h (96mph) have left approximately 90,000 households lacking electricity and led agencies to call off in excess of 100 flights, based on domestic outlets.
These gusts are affecting the entire southern region and lower areas of the North Island, according to the national weather agency.
The nation's agencies have announced rare severe gust advisories - the highest alert level - in key areas including Canterbury and Wellington.
Residents have been encouraged to remain inside, refrain from journeys, and make arrangements for further electricity and network failures.
Broad Destruction and Crisis Measures
The power cut appears to be affecting homes mainly in the South Island, though agencies say that power was being gradually reinstated.
Domestic outlets have indicated that in various locations structures have suffered roof damage, while power lines and trees have been toppled by the gusts.
Across Wellington, a individual was killed after being impacted by a wooden fragment at a popular trail walking spot on Tuesday.
Also in the capital, a woman was pushed toward moving cars on a road by a strong gust of wind, in a event that was filmed in a widely shared car camera footage.
Flights in and out of the city have been halted as a result of the winds, whereas some roads and libraries are also closed.
Meanwhile authorities in Canterbury have issued a emergency situation, to facilitate recovery activities.
Labor Protests During Extreme Weather
The wild winds on Thursday coincide with many of teachers, doctors and other public workers are engaged in what has been described as a "major walkout", requesting better pay and working conditions.
But the extreme weather has forced them to alter certain arrangements, with various open-air gatherings moved indoors or cancelled.
Similar gusts are also sweeping the neighboring country, bringing a high-temperature event to the country's outback.
Officials have issued flame prohibitions for apprehension regarding bushfires.
