Intense gales hitting velocities of approximately 155km/h (96mph) have resulted in approximately 90,000 households lacking electricity and led officials to halt over 100 air travel services, according to local media.
These gusts are affecting the whole southern region and southern parts of the North Island, according to the national weather agency.
The nation's agencies have issued uncommon high-level wind alerts - the highest alert level - in key areas such as Canterbury and Wellington.
Locals have been urged to stay indoors, refrain from journeys, and make arrangements for further utility disruptions.
Broad Destruction and Emergency Response
The electricity loss seems to be impacting homes predominantly in the southern region, while agencies state that power was being restored progressively.
Local media have stated that in some places structures have suffered roof damage, whereas utility poles and vegetation have been knocked down by the gales.
In Wellington, a man was killed after being impacted by a falling limb at a frequent walking route on earlier this week.
Also in the capital, a woman was blown onto approaching vehicles on a thoroughfare by a strong gust of wind, in a moment that was captured in a widely shared car camera footage.
Flights in and out of the urban area have been cancelled due to the winds, and certain highways and community centers are not operating.
Simultaneously Canterbury officials have declared a emergency situation, to facilitate emergency management operations.
Strike Action Alongside Extreme Weather
These intense gusts on this day come as numerous of school staff, physicians and civil servants are participating in what has been described as a "significant labor action", calling for better pay and working conditions.
However the severe conditions has pressured them to alter some of their plans, with various open-air gatherings relocated inside or cancelled.
Similar gusts are also sweeping the neighboring country, bringing a period of extreme heat to the country's outback.
Authorities have declared burning restrictions for apprehension regarding bushfires.
