Severe gales hitting speeds of approximately 155km/h (96mph) have left around 90,000 households lacking electricity and compelled officials to halt over 100 aircraft departures, according to local media.
The gales are affecting the entire South Island and lower areas of the North Island, according to the country's meteorological service.
The nation's agencies have issued infrequent red wind warnings - the top caution category - in key areas encompassing Canterbury and Wellington.
Locals have been encouraged to avoid going outside, avoid travel, and prepare for additional utility disruptions.
Extensive Destruction and Crisis Measures
The power cut seems to be impacting homes predominantly in the southern region, though agencies say that power was being gradually reinstated.
Regional news have indicated that in various locations roofs have been ripped off houses, whereas trees and electricity poles have been toppled by the winds.
Within the capital, a man was fatally injured after being struck by a tree branch at a well-known hiking path on earlier this week.
Additionally in the city, a woman was blown onto oncoming traffic on a road by a intensive burst, in a incident that was recorded in a viral dashcam video.
Air travel entering and leaving the urban area have been cancelled as a result of the gusts, and certain highways and community centers are shut down.
Simultaneously authorities in Canterbury have announced a crisis declaration, to facilitate recovery activities.
Strike Action Amid Extreme Conditions
The powerful gales on this day coincide with many of educators, medical professionals and government employees are participating in what has been termed a "significant labor action", requesting better pay and working conditions.
However the severe conditions has forced them to change various scheduled activities, with several external protests relocated inside or abandoned.
Comparable winds are impacting the neighboring country, bringing a heatwave to the country's outback.
Agencies have announced fire bans for apprehension regarding wildfires.
