Severe gusts attaining speeds of approximately 155km/h (96mph) have resulted in nearly 90,000 households without power and led officials to cancel over 100 aircraft departures, according to local media.
These gusts are affecting the whole South Island and southern sections of the North Island, according to the country's meteorological service.
The nation's agencies have announced uncommon red wind warnings - the top caution category - in key areas encompassing Canterbury and Wellington.
Locals have been advised to avoid going outside, refrain from journeys, and make arrangements for further electricity and network failures.
Broad Impact and Crisis Response
The electricity loss seems to be impacting households mostly in the southern region, while agencies say that power was being slowly brought back.
Domestic outlets have stated that in certain areas structures have suffered roof damage, and utility poles and vegetation have been knocked down by the winds.
In Wellington, a man was lost his life after being struck by a falling limb at a frequent walking route on Tuesday.
Also in the capital, a woman was pushed toward moving cars on a street by a strong gust of wind, in a event that was recorded in a viral dashcam video.
Aircraft services to and from the city have been cancelled due to the gusts, whereas various routes and public facilities are also closed.
Simultaneously local leaders have declared a crisis declaration, to support disaster response efforts.
Work Stoppages During Harsh Conditions
The wild winds on Thursday coincide with tens of thousands of educators, medical professionals and government employees take part in what has been described as a "significant labor action", calling for better pay and working conditions.
However the extreme weather has pressured them to alter various scheduled activities, with several external protests relocated inside or called off.
Like conditions are also sweeping the nearby nation, causing a period of extreme heat to the nation's interior regions.
Agencies have issued burning restrictions for apprehension regarding bushfires.
