Powerful gales reaching velocities of as high as 155km/h (96mph) have resulted in approximately 90,000 homes without power and forced agencies to call off over 100 flights, based on domestic outlets.
These gusts are influencing the entire southern region and southern parts of the North Island, according to the national weather agency.
The nation's agencies have issued infrequent high-level wind alerts - the top caution category - in central regions such as these major districts.
Residents have been advised to avoid going outside, stay off roads, and get ready for more electricity and network failures.
Widespread Damage and Crisis Measures
The power cut is primarily influencing residences mainly in the southern region, though authorities report that energy was being slowly brought back.
Domestic outlets have stated that in some places structures have suffered roof damage, while trees and electricity poles have been toppled by the winds.
Across Wellington, a man was lost his life after being impacted by a falling limb at a popular trail walking spot on earlier this week.
Also in the capital, a individual was blown onto moving cars on a road by a powerful blast, in a event that was captured in a widely shared car camera footage.
Aircraft services to and from the metropolis have been cancelled because of the winds, whereas certain highways and community centers are not operating.
At the same time local leaders have issued a crisis declaration, to support emergency management operations.
Work Stoppages During Severe Conditions
The wild winds on Thursday occur while tens of thousands of teachers, doctors and other public workers take part in what has been called a "mega strike", demanding better pay and working conditions.
Yet the extreme weather has compelled them to modify various scheduled activities, with several external protests shifted to interior venues or cancelled.
Similar gusts are also sweeping the neighboring country, ushering in a heatwave to the remote areas.
Officials have issued burning restrictions for fear of bushfires.
