Intense gusts hitting speeds of up to 155km/h (96mph) have caused approximately 90,000 properties without power and forced officials to halt in excess of 100 aircraft departures, as reported by regional news sources.
The gales are influencing the entire South Island and southern parts of the North Island, according to the country's meteorological service.
New Zealand authorities have issued rare high-level wind alerts - the top caution category - in key areas such as these major districts.
Locals have been urged to stay indoors, refrain from journeys, and get ready for additional electricity and network failures.
Widespread Destruction and Emergency Measures
This outage seems to be impacting households predominantly in the South Island, though officials report that power was being gradually reinstated.
Domestic outlets have indicated that in various locations roofs have been ripped off houses, while trees and electricity poles have been knocked down by the winds.
Across Wellington, a man was killed after being struck by a falling limb at a popular trail walking spot on earlier this week.
Additionally in the city, a woman was pushed toward moving cars on a street by a intensive burst, in a moment that was filmed in a popular vehicle recording.
Flights in and out of the metropolis have been suspended because of the gusts, while certain highways and community centers are shut down.
Simultaneously Canterbury officials have declared a state of emergency, to support recovery activities.
Work Stoppages Amid Severe Conditions
These intense gusts on this day come as tens of thousands of school staff, physicians and civil servants take part in what has been called a "mega strike", requesting better pay and working conditions.
But the extreme weather has forced them to change various scheduled activities, with some outdoor rallies relocated inside or cancelled.
Like conditions are impacting the neighboring country, ushering in a heatwave to the country's outback.
Agencies have issued flame prohibitions for fear of bushfires.
