Powerful gales attaining speeds of up to 155km/h (96mph) have left approximately 90,000 properties experiencing outages and forced authorities to halt over 100 aircraft departures, as reported by domestic outlets.
These gusts are affecting the whole southern region and lower areas of the North Island, per the weather forecasting body.
New Zealand authorities have announced infrequent severe gust advisories - the top caution category - in core zones including these major districts.
Locals have been encouraged to remain inside, avoid travel, and get ready for more utility disruptions.
Widespread Damage and Emergency Response
This outage appears to be affecting residences predominantly in the South Island, though agencies report that energy was being gradually reinstated.
Local media have stated that in certain areas homes have lost their roofs, and trees and electricity poles have been knocked down by the winds.
Across Wellington, a man was killed after being hit by a falling limb at a well-known hiking path on Tuesday.
Also in the capital, a woman was swept into oncoming traffic on a thoroughfare by a strong gust of wind, in a moment that was recorded in a popular vehicle recording.
Flights to and from the metropolis have been halted because of the winds, and certain highways and community centers are also closed.
Meanwhile Canterbury officials have announced a emergency situation, to support disaster response efforts.
Labor Protests During Extreme Weather
The wild winds on today come as tens of thousands of teachers, doctors and other public workers are engaged in what has been termed a "mega strike", demanding improved salaries and workplace environments.
But the intense climate has pressured them to alter various scheduled activities, with various open-air gatherings shifted to interior venues or cancelled.
Similar gusts are also sweeping Australia, bringing a heatwave to the nation's interior regions.
Officials have declared burning restrictions for apprehension regarding bushfires.