Powerful gales reaching speeds of as high as 155km/h (96mph) have left approximately 90,000 properties lacking electricity and compelled officials to call off in excess of 100 air travel services, according to local media.
The winds are impacting the complete southern region and southern parts of the North Island, as stated by the country's meteorological service.
The nation's agencies have issued rare red wind warnings - the most severe warning - in central regions including Wellington and Canterbury.
Residents have been advised to avoid going outside, stay off roads, and get ready for more electricity and network failures.
Widespread Damage and Emergency Response
The power cut is primarily influencing households mostly in the southern region, although agencies say that power was being gradually reinstated.
Domestic outlets have indicated that in certain areas homes have lost their roofs, while utility poles and vegetation have been knocked down by the gales.
In Wellington, a man was fatally injured after being impacted by a wooden fragment at a popular trail walking spot on Tuesday.
Additionally in the city, a woman was pushed toward oncoming traffic on a street by a intensive burst, in a moment that was filmed in a viral dashcam video.
Aircraft services entering and leaving the metropolis have been halted because of the gusts, and various routes and public facilities are also closed.
Meanwhile local leaders have declared a emergency situation, to facilitate recovery activities.
Labor Protests Alongside Harsh Weather
The wild winds on Thursday occur while numerous of school staff, physicians and civil servants are engaged in what has been called a "mega strike", requesting higher wages and enhanced employment terms.
Yet the extreme weather has compelled them to modify various scheduled activities, with several external protests moved indoors or cancelled.
Comparable winds are impacting the nearby nation, causing a heatwave to the country's outback.
Agencies have announced burning restrictions for concern about forest fires.