Intense gusts attaining speeds of up to 155km/h (96mph) have resulted in nearly 90,000 households experiencing outages and forced agencies to call off in excess of 100 flights, according to local media.
These gusts are influencing the entire southern region and southern parts of the North Island, according to the weather forecasting body.
The nation's agencies have released infrequent severe gust advisories - the top caution category - in core zones such as Canterbury and Wellington.
Residents have been encouraged to stay indoors, avoid travel, and make arrangements for further utility disruptions.
Widespread Impact and Emergency Response
The electricity loss is primarily influencing homes mainly in the southern region, although officials say that power was being restored progressively.
Domestic outlets have indicated that in some places roofs have been ripped off houses, and trees and electricity poles have been brought down by the gusts.
Across Wellington, a person was fatally injured after being struck by a tree branch at a popular trail walking spot on earlier this week.
Meanwhile in Wellington, a woman was pushed toward moving cars on a thoroughfare by a strong gust of wind, in a incident that was captured in a widely shared car camera footage.
Aircraft services to and from the metropolis have been halted due to the winds, and some roads and libraries are also closed.
Simultaneously Canterbury officials have announced a state of emergency, to assist recovery activities.
Work Stoppages Amid Extreme Conditions
The powerful gales on today occur while numerous of teachers, doctors and other public workers take part in what has been termed a "mega strike", demanding higher wages and enhanced employment terms.
Yet the extreme weather has pressured them to alter some of their plans, with several external protests relocated inside or called off.
Similar gusts are affecting the neighboring country, ushering in a high-temperature event to the country's outback.
Authorities have announced flame prohibitions for apprehension regarding bushfires.
