Severe gales attaining velocities of approximately 155km/h (96mph) have caused around 90,000 homes lacking electricity and forced authorities to call off more than 100 flights, according to domestic outlets.
The winds are affecting the entire South Island and lower areas of the North Island, according to the weather forecasting body.
New Zealand authorities have announced infrequent red wind warnings - the top caution category - in core zones such as these major districts.
Locals have been urged to stay indoors, refrain from journeys, and make arrangements for further electricity and network failures.
Extensive Impact and Emergency Response
The electricity loss seems to be impacting residences predominantly in the southern region, although officials report that energy was being slowly brought back.
Domestic outlets have stated that in some places homes have lost their roofs, and power lines and trees have been toppled by the winds.
In Wellington, a individual was fatally injured after being hit by a falling limb at a popular trail walking spot on earlier this week.
Meanwhile in Wellington, a woman was swept into moving cars on a thoroughfare by a strong gust of wind, in a incident that was filmed in a widely shared car camera footage.
Flights to and from the city have been cancelled because of the gusts, while various routes and public facilities are not operating.
Meanwhile Canterbury officials have declared a crisis declaration, to assist disaster response efforts.
Labor Protests Alongside Severe Conditions
These intense gusts on this day come as tens of thousands of teachers, doctors and other public workers take part in what has been called a "mega strike", demanding improved salaries and workplace environments.
However the severe conditions has compelled them to modify certain arrangements, with several external protests shifted to interior venues or cancelled.
Like conditions are also sweeping the nearby nation, bringing a heatwave to the country's outback.
Officials have announced flame prohibitions for apprehension regarding bushfires.
