Intense gusts hitting speeds of approximately 155km/h (96mph) have left nearly 90,000 households experiencing outages and forced officials to call off in excess of 100 aircraft departures, as reported by regional news sources.
The winds are influencing the entire South Island and southern sections of the North Island, per the country's meteorological service.
The nation's agencies have issued infrequent high-level wind alerts - the highest alert level - in key areas including Wellington and Canterbury.
People have been urged to remain inside, refrain from journeys, and make arrangements for additional utility disruptions.
Extensive Impact and Crisis Response
The power cut is primarily influencing households mostly in the southern region, while authorities state that the electricity supply was being slowly brought back.
Regional news have reported that in certain areas roofs have been ripped off houses, and trees and electricity poles have been toppled by the gusts.
In Wellington, a man was killed after being impacted by a wooden fragment at a popular trail walking spot on earlier this week.
Additionally in the city, a female was swept into moving cars on a thoroughfare by a strong gust of wind, in a incident that was recorded in a viral dashcam video.
Air travel entering and leaving the urban area have been halted as a result of the weather, whereas certain highways and community centers are shut down.
Simultaneously authorities in Canterbury have issued a state of emergency, to assist emergency management operations.
Labor Protests Amid Severe Conditions
These intense gusts on this day come as numerous of teachers, doctors and other public workers are engaged in what has been called a "mega strike", calling for better pay and working conditions.
But the extreme weather has forced them to change various scheduled activities, with several external protests moved indoors or abandoned.
Like conditions are impacting the nearby nation, causing a period of extreme heat to the remote areas.
Authorities have announced flame prohibitions for apprehension regarding forest fires.