Intense gusts hitting speeds of up to 155km/h (96mph) have caused around 90,000 homes without power and led authorities to cancel in excess of 100 air travel services, as reported by local media.
These gusts are influencing the complete South Island and southern parts of the North Island, according to the country's meteorological service.
The nation's agencies have released rare high-level wind alerts - the top caution category - in central regions such as Canterbury and Wellington.
Residents have been advised to remain inside, avoid travel, and get ready for additional utility disruptions.
Extensive Damage and Crisis Response
The electricity loss appears to be affecting homes mainly in the South Island, though officials say that power was being restored progressively.
Domestic outlets have stated that in some places homes have lost their roofs, and utility poles and vegetation have been knocked down by the gales.
Within the capital, a individual was lost his life after being struck by a wooden fragment at a frequent walking route on earlier this week.
Additionally in the city, a individual was pushed toward approaching vehicles on a thoroughfare by a strong gust of wind, in a moment that was recorded in a widely shared car camera footage.
Flights in and out of the city have been halted as a result of the winds, and various routes and public facilities are shut down.
Simultaneously authorities in Canterbury have issued a crisis declaration, to assist disaster response efforts.
Labor Protests Amid Severe Conditions
The powerful gales on Thursday coincide with many of educators, medical professionals and government employees take part in what has been termed a "significant labor action", demanding higher wages and enhanced employment terms.
Yet the intense climate has compelled them to change some of their plans, with some outdoor rallies moved indoors or abandoned.
Similar gusts are impacting the neighboring country, ushering in a period of extreme heat to the country's outback.
Agencies have declared fire bans for apprehension regarding forest fires.
