Severe gusts hitting speeds of as high as 155km/h (96mph) have resulted in nearly 90,000 households without power and compelled agencies to halt in excess of 100 air travel services, as reported by domestic outlets.
The winds are influencing the whole South Island and southern parts of the North Island, per the country's meteorological service.
The nation's agencies have released infrequent high-level wind alerts - the top caution category - in core zones encompassing Wellington and Canterbury.
Residents have been urged to remain inside, refrain from journeys, and make arrangements for additional utility disruptions.
Broad Damage and Crisis Measures
The power cut is primarily influencing households predominantly in the southern region, though authorities say that power was being gradually reinstated.
Local media have indicated that in certain areas structures have suffered roof damage, whereas trees and electricity poles have been toppled by the gusts.
Across Wellington, a man was lost his life after being hit by a tree branch at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a woman was blown onto approaching vehicles on a thoroughfare by a strong gust of wind, in a event that was filmed in a widely shared car camera footage.
Aircraft services entering and leaving the urban area have been halted as a result of the winds, while certain highways and community centers are shut down.
Meanwhile local leaders have issued a emergency situation, to facilitate emergency management operations.
Strike Action Alongside Harsh Conditions
These intense gusts on today coincide with tens of thousands of school staff, physicians and civil servants are engaged in what has been described as a "major walkout", calling for better pay and working conditions.
But the extreme weather has forced them to change some of their plans, with some outdoor rallies relocated inside or called off.
Comparable winds are impacting the neighboring country, ushering in a high-temperature event to the remote areas.
Agencies have issued flame prohibitions for concern about bushfires.
