Intense gusts attaining velocities of approximately 155km/h (96mph) have resulted in nearly 90,000 homes experiencing outages and compelled agencies to call off over 100 air travel services, according to local media.
These gusts are affecting the entire South Island and southern parts of the North Island, per the country's meteorological service.
The nation's agencies have released infrequent high-level wind alerts - the most severe warning - in central regions including these major districts.
Locals have been urged to avoid going outside, avoid travel, and prepare for more utility disruptions.
Widespread Impact and Emergency Response
The power cut appears to be affecting residences mainly in the South Island, although agencies report that power was being restored progressively.
Local media have indicated that in certain areas structures have suffered roof damage, whereas utility poles and vegetation have been toppled by the winds.
Across Wellington, a man was lost his life after being struck by a falling limb at a well-known hiking path on Tuesday.
Meanwhile in Wellington, a individual was pushed toward moving cars on a street by a powerful blast, in a incident that was captured in a viral dashcam video.
Air travel to and from the metropolis have been halted because of the weather, while some roads and libraries are also closed.
Meanwhile authorities in Canterbury have declared a crisis declaration, to assist disaster response efforts.
Work Stoppages During Severe Conditions
The wild winds on this day come as many of school staff, physicians and civil servants are engaged in what has been termed a "major walkout", requesting improved salaries and workplace environments.
But the severe conditions has forced them to change certain arrangements, with several external protests relocated inside or cancelled.
Comparable winds are affecting the neighboring country, ushering in a high-temperature event to the nation's interior regions.
Authorities have declared flame prohibitions for fear of forest fires.
