Powerful gusts attaining velocities of approximately 155km/h (96mph) have caused around 90,000 properties lacking electricity and forced authorities to halt more than 100 air travel services, as reported by domestic outlets.
The winds are impacting the whole southern region and southern parts of the northern region, per the national weather agency.
The nation's agencies have issued rare high-level wind alerts - the most severe warning - in key areas encompassing Canterbury and Wellington.
People have been urged to remain inside, avoid travel, and make arrangements for further utility disruptions.
Widespread Impact and Emergency Response
This outage appears to be affecting households predominantly in the southern region, while agencies state that the electricity supply was being restored progressively.
Local media have reported that in certain areas roofs have been ripped off houses, whereas utility poles and vegetation have been knocked down by the gales.
Across Wellington, a individual was killed after being impacted by a falling limb at a well-known hiking path on Tuesday.
Also in the capital, a female was swept into oncoming traffic on a street by a powerful blast, in a incident that was recorded in a popular vehicle recording.
Aircraft services entering and leaving the urban area have been suspended because of the weather, while certain highways and community centers are not operating.
Simultaneously local leaders have announced a state of emergency, to assist emergency management operations.
Strike Action Alongside Extreme Weather
The powerful gales on this day come as numerous of teachers, doctors and other public workers are engaged in what has been called a "significant labor action", requesting better pay and working conditions.
But the extreme weather has compelled them to change some of their plans, with some outdoor rallies relocated inside or called off.
Similar gusts are impacting Australia, ushering in a period of extreme heat to the nation's interior regions.
Officials have declared burning restrictions for apprehension regarding bushfires.