Intense gusts reaching velocities of up to 155km/h (96mph) have resulted in nearly 90,000 households without power and led agencies to halt more than 100 flights, based on domestic outlets.
These gusts are influencing the complete southern region and southern sections of the North Island, according to the national weather agency.
Officials in New Zealand have issued uncommon red wind warnings - the top caution category - in core zones including Wellington and Canterbury.
Residents have been encouraged to remain inside, avoid travel, and make arrangements for additional utility disruptions.
Extensive Impact and Crisis Measures
This outage appears to be affecting homes predominantly in the South Island, though officials report that the electricity supply was being gradually reinstated.
Local media have indicated that in various locations homes have lost their roofs, and trees and electricity poles have been knocked down by the winds.
In Wellington, a individual was fatally injured after being struck by a tree branch at a well-known hiking path on Tuesday.
Meanwhile in Wellington, a female was blown onto approaching vehicles on a road by a powerful blast, in a incident that was recorded in a widely shared car camera footage.
Aircraft services to and from the city have been cancelled because of the gusts, while various routes and public facilities are not operating.
Meanwhile local leaders have issued a state of emergency, to facilitate recovery activities.
Strike Action During Severe Conditions
The wild winds on this day coincide with numerous of teachers, doctors and other public workers are engaged in what has been described as a "significant labor action", calling for better pay and working conditions.
Yet the extreme weather has forced them to change certain arrangements, with several external protests relocated inside or called off.
Like conditions are also sweeping the neighboring country, bringing a high-temperature event to the nation's interior regions.
Officials have issued flame prohibitions for fear of bushfires.
