Severe winds attaining speeds of up to 155km/h (96mph) have caused approximately 90,000 households without power and led agencies to cancel in excess of 100 flights, according to local media.
These gusts are impacting the entire southern region and lower areas of the North Island, according to the national weather agency.
The nation's agencies have issued uncommon high-level wind alerts - the top caution category - in central regions encompassing Wellington and Canterbury.
People have been encouraged to avoid going outside, refrain from journeys, and prepare for further utility disruptions.
Widespread Impact and Emergency Response
The power cut appears to be affecting residences mostly in the southern region, though agencies state that energy was being gradually reinstated.
Local media have indicated that in some places homes have lost their roofs, while trees and electricity poles have been knocked down by the winds.
Across Wellington, a person was killed after being impacted by a falling limb at a frequent walking route on Tuesday.
Meanwhile in Wellington, a woman was blown onto moving cars on a thoroughfare by a strong gust of wind, in a incident that was filmed in a popular vehicle recording.
Aircraft services to and from the urban area have been cancelled because of the weather, whereas certain highways and community centers are also closed.
Meanwhile local leaders have issued a crisis declaration, to support recovery activities.
Labor Protests Amid Extreme Conditions
The wild winds on this day coincide with many of school staff, physicians and civil servants are engaged in what has been termed a "significant labor action", calling for better pay and working conditions.
However the intense climate has compelled them to change various scheduled activities, with some outdoor rallies relocated inside or called off.
Comparable winds are impacting Australia, bringing a high-temperature event to the country's outback.
Officials have announced fire bans for fear of forest fires.
