Intense gusts hitting velocities of as high as 155km/h (96mph) have resulted in approximately 90,000 properties experiencing outages and led agencies to call off over 100 aircraft departures, based on local media.
The gales are affecting the entire southern region and southern parts of the North Island, according to the country's meteorological service.
Officials in New Zealand have announced infrequent red wind warnings - the highest alert level - in key areas including Wellington and Canterbury.
People have been encouraged to stay indoors, stay off roads, and make arrangements for further utility disruptions.
Widespread Destruction and Crisis Measures
The electricity loss is primarily influencing homes mainly in the South Island, though agencies say that energy was being gradually reinstated.
Domestic outlets have reported that in various locations structures have suffered roof damage, while trees and electricity poles have been brought down by the gusts.
Within the capital, a man was lost his life after being hit by a tree branch at a well-known hiking path on earlier this week.
Additionally in the city, a woman was blown onto oncoming traffic on a road by a strong gust of wind, in a incident that was captured in a widely shared car camera footage.
Air travel to and from the metropolis have been suspended because of the gusts, whereas certain highways and community centers are not operating.
Meanwhile authorities in Canterbury have declared a emergency situation, to assist emergency management operations.
Strike Action Amid Severe Conditions
These intense gusts on Thursday come as numerous of school staff, physicians and civil servants take part in what has been described as a "major walkout", demanding higher wages and enhanced employment terms.
However the severe conditions has pressured them to alter some of their plans, with some outdoor rallies relocated inside or cancelled.
Like conditions are affecting the nearby nation, ushering in a high-temperature event to the country's outback.
Officials have declared burning restrictions for apprehension regarding wildfires.
