Powerful gales attaining velocities of up to 155km/h (96mph) have left approximately 90,000 properties without power and led officials to call off over 100 air travel services, based on local media.
These gusts are impacting the complete southern region and southern parts of the North Island, per the country's meteorological service.
The nation's agencies have announced infrequent high-level wind alerts - the highest alert level - in core zones including Wellington and Canterbury.
Residents have been advised to stay indoors, avoid travel, and prepare for more utility disruptions.
Widespread Impact and Emergency Measures
The power cut is primarily influencing households mainly in the South Island, while officials state that energy was being gradually reinstated.
Domestic outlets have stated that in some places homes have lost their roofs, while utility poles and vegetation have been toppled by the winds.
Across Wellington, a man was killed after being impacted by a tree branch at a frequent walking route on Tuesday.
Additionally in the city, a female was swept into moving cars on a road by a intensive burst, in a incident that was filmed in a popular vehicle recording.
Air travel in and out of the urban area have been cancelled due to the winds, while certain highways and community centers are also closed.
At the same time authorities in Canterbury have issued a emergency situation, to support disaster response efforts.
Labor Protests Amid Extreme Conditions
The wild winds on this day coincide with numerous of teachers, doctors and other public workers are participating in what has been described as a "significant labor action", calling for better pay and working conditions.
Yet the extreme weather has compelled them to alter certain arrangements, with various open-air gatherings relocated inside or cancelled.
Comparable winds are affecting Australia, causing a period of extreme heat to the nation's interior regions.
Agencies have declared flame prohibitions for apprehension regarding wildfires.
