Severe gusts attaining speeds of as high as 155km/h (96mph) have resulted in around 90,000 homes without power and led officials to call off more than 100 air travel services, according to local media.
These gusts 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 high-level wind alerts - the most severe warning - in key areas including these major districts.
Locals have been encouraged to remain inside, stay off roads, and make arrangements for additional power and communication outages.
Extensive Impact and Emergency Response
The electricity loss seems to be impacting homes mainly in the southern region, though officials report that the electricity supply was being gradually reinstated.
Regional news have reported that in certain areas structures have suffered roof damage, while power lines and trees have been toppled by the winds.
Within the capital, a man was lost his life after being impacted by a wooden fragment at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a female was blown onto moving cars on a street by a strong gust of wind, in a moment that was recorded in a viral dashcam video.
Flights entering and leaving the metropolis have been suspended due to the gusts, whereas various routes and public facilities are also closed.
Simultaneously Canterbury officials have issued a state of emergency, to support emergency management operations.
Work Stoppages Alongside Severe Weather
These intense gusts on this day come as many of teachers, doctors and other public workers take part in what has been termed a "significant labor action", calling for better pay and working conditions.
Yet the severe conditions has pressured them to modify some of their plans, with various open-air gatherings shifted to interior venues or called off.
Comparable winds are impacting the neighboring country, bringing a heatwave to the nation's interior regions.
Agencies have issued flame prohibitions for apprehension regarding wildfires.