Intense gales hitting velocities of as high as 155km/h (96mph) have resulted in around 90,000 homes lacking electricity and compelled authorities to call off over 100 aircraft departures, based on domestic outlets.
The winds are influencing the entire southern region and southern sections of the North Island, per the national weather agency.
The nation's agencies have announced uncommon severe gust advisories - the top caution category - in core zones such as Canterbury and Wellington.
Residents have been encouraged to remain inside, avoid travel, and prepare for additional utility disruptions.
Extensive Destruction and Emergency Measures
The power cut appears to be affecting residences predominantly in the South Island, while authorities state that energy was being restored progressively.
Domestic outlets have stated that in certain areas roofs have been ripped off houses, while trees and electricity poles have been toppled by the gales.
In Wellington, a individual was killed after being impacted by a tree branch at a popular trail walking spot on earlier this week.
Additionally in the city, a woman was blown onto oncoming traffic on a street by a strong gust of wind, in a moment that was recorded in a viral dashcam video.
Air travel entering and leaving the city have been cancelled as a result of the winds, and certain highways and community centers are not operating.
Meanwhile authorities in Canterbury have announced a state of emergency, to facilitate emergency management operations.
Work Stoppages During Extreme Conditions
The powerful gales on this day occur while many of teachers, doctors and other public workers are participating in what has been termed a "mega strike", demanding improved salaries and workplace environments.
However the severe conditions has forced them to modify some of their plans, with some outdoor rallies moved indoors or abandoned.
Comparable winds are affecting Australia, bringing a heatwave to the country's outback.
Officials have issued burning restrictions for concern about forest fires.
