Intense gusts reaching speeds of as high as 155km/h (96mph) have caused around 90,000 properties without power and led agencies to halt more than 100 aircraft departures, as reported by local media.
The winds are affecting the complete South Island and southern sections of the northern region, according to the country's meteorological service.
The nation's agencies have issued rare high-level wind alerts - the most severe warning - in key areas encompassing Canterbury and Wellington.
Locals have been encouraged to avoid going outside, refrain from journeys, and prepare for additional utility disruptions.
Widespread Impact and Crisis Measures
The electricity loss appears to be affecting residences mainly in the southern region, although officials report that power was being gradually reinstated.
Local media have stated that in some places roofs have been ripped off houses, and trees and electricity poles have been knocked down by the gusts.
Within the capital, a man was killed after being hit by a tree branch at a popular trail walking spot on earlier this week.
Meanwhile in Wellington, a female was blown onto moving cars on a street by a intensive burst, in a event that was captured in a widely shared car camera footage.
Aircraft services entering and leaving the urban area have been suspended due to the gusts, while some roads and libraries are also closed.
Meanwhile Canterbury officials have declared a state of emergency, to facilitate emergency management operations.
Work Stoppages Amid Severe Weather
The wild winds on this day occur while numerous of educators, medical professionals and government employees take part in what has been termed a "significant labor action", demanding better pay and working conditions.
But the severe conditions has pressured them to modify some of their plans, with some outdoor rallies moved indoors or abandoned.
Like conditions are impacting Australia, ushering in a high-temperature event to the remote areas.
Agencies have announced burning restrictions for apprehension regarding forest fires.
