Powerful gusts attaining speeds of approximately 155km/h (96mph) have caused around 90,000 properties without power and compelled authorities to call off more than 100 air travel services, according to domestic outlets.
These gusts are influencing the complete South Island and southern sections of the northern region, as stated by the country's meteorological service.
The nation's agencies have released rare red wind warnings - the most severe warning - in central regions including Wellington and Canterbury.
Locals have been encouraged to remain inside, refrain from journeys, and prepare for more utility disruptions.
Extensive Damage and Crisis Measures
The power cut is primarily influencing households mostly in the southern region, though agencies state that power was being gradually reinstated.
Regional news have indicated that in some places roofs have been ripped off houses, and power lines and trees have been toppled by the gales.
In Wellington, a man was fatally injured after being struck by a wooden fragment at a popular trail walking spot on earlier this week.
Additionally in the city, a female was swept into moving cars on a road by a powerful blast, in a incident that was filmed in a widely shared car camera footage.
Flights to and from the city have been cancelled because of the gusts, while some roads and libraries are shut down.
Meanwhile local leaders have announced a state of emergency, to support recovery activities.
Labor Protests Amid Extreme Weather
The powerful gales on today occur while numerous of educators, medical professionals and government employees take part in what has been termed a "mega strike", demanding better pay and working conditions.
However the severe conditions has forced them to change some of their plans, with some outdoor rallies shifted to interior venues or abandoned.
Comparable winds are also sweeping the nearby nation, ushering in a period of extreme heat to the remote areas.
Agencies have announced fire bans for apprehension regarding wildfires.