Intense gusts hitting speeds of as high as 155km/h (96mph) have resulted in nearly 90,000 properties lacking electricity and led agencies to halt over 100 aircraft departures, as reported by domestic outlets.
The winds are influencing the complete South Island and southern sections of the North Island, as stated by the country's meteorological service.
New Zealand authorities have released uncommon high-level wind alerts - the most severe warning - in core zones such as Canterbury and Wellington.
Residents have been encouraged to avoid going outside, refrain from journeys, and get ready for additional electricity and network failures.
Extensive Impact and Crisis Measures
This outage is primarily influencing households predominantly in the South Island, although authorities say that energy was being gradually reinstated.
Local media have reported that in some places structures have suffered roof damage, and utility poles and vegetation have been brought down by the gales.
Across Wellington, a man was fatally injured after being hit by a falling limb at a frequent walking route on earlier this week.
Additionally in the city, a female was swept into approaching vehicles on a street 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 metropolis have been suspended because of the weather, whereas certain highways and community centers are not operating.
Meanwhile local leaders have announced a emergency situation, to facilitate recovery activities.
Strike Action Alongside Severe Weather
These intense gusts on today come as numerous of educators, medical professionals and government employees are participating in what has been called a "major walkout", calling for improved salaries and workplace environments.
Yet the severe conditions has pressured them to change various scheduled activities, with various open-air gatherings moved indoors or cancelled.
Comparable winds are also sweeping the neighboring country, causing a heatwave to the nation's interior regions.
Authorities have declared fire bans for apprehension regarding bushfires.