Powerful gales attaining velocities of up to 155km/h (96mph) have caused around 90,000 properties experiencing outages and forced officials to cancel in excess of 100 air travel services, based on local media.
The winds are influencing the complete South Island and southern sections of the North Island, per the weather forecasting body.
The nation's agencies have announced infrequent high-level wind alerts - the most severe warning - in central regions including Wellington and Canterbury.
Locals have been encouraged to avoid going outside, stay off roads, and prepare for further utility disruptions.
Extensive Destruction and Crisis Measures
This outage is primarily influencing residences predominantly in the southern region, though agencies report that the electricity supply was being restored progressively.
Regional news have indicated that in some places homes have lost their roofs, whereas utility poles and vegetation have been toppled by the gusts.
In Wellington, a man was killed after being hit by a falling limb at a popular trail walking spot on Tuesday.
Also in the capital, a woman was pushed toward moving cars on a road by a strong gust of wind, in a incident that was captured in a popular vehicle recording.
Air travel to and from the city have been suspended due to the weather, whereas some roads and libraries are shut down.
Meanwhile local leaders have issued a emergency situation, to facilitate emergency management operations.
Labor Protests Amid Harsh Conditions
The wild winds on Thursday come as many of teachers, doctors and other public workers are participating in what has been called a "mega strike", requesting higher wages and enhanced employment terms.
But the intense climate has forced them to change some of their plans, with several external protests relocated inside or abandoned.
Like conditions are affecting Australia, bringing a high-temperature event to the remote areas.
Agencies have declared flame prohibitions for concern about wildfires.
