Severe winds hitting velocities of up to 155km/h (96mph) have left nearly 90,000 households without power and compelled agencies to call off more than 100 aircraft departures, according to local media.
The gales are influencing the whole southern region and southern parts of the North Island, according to the weather forecasting body.
The nation's agencies have released infrequent high-level wind alerts - the most severe warning - in key areas encompassing Wellington and Canterbury.
People have been encouraged to stay indoors, avoid travel, and prepare for more power and communication outages.
Broad Destruction and Crisis Measures
The power cut is primarily influencing residences mostly in the southern region, although officials state that power was being slowly brought back.
Domestic outlets have reported that in certain areas homes have lost their roofs, while trees and electricity poles have been toppled by the winds.
Across Wellington, a man was killed after being struck by a falling limb at a frequent walking route on Tuesday.
Additionally in the city, a individual was swept into oncoming traffic on a road by a intensive burst, in a event that was captured in a popular vehicle recording.
Aircraft services in and out of the city have been suspended as a result of the winds, whereas some roads and libraries are shut down.
Simultaneously Canterbury officials have issued a emergency situation, to facilitate recovery activities.
Labor Protests During Severe Conditions
The wild winds on this day come as tens of thousands of teachers, doctors and other public workers are engaged in what has been described as a "significant labor action", requesting better pay and working conditions.
Yet the intense climate has pressured them to change certain arrangements, with various open-air gatherings moved indoors or abandoned.
Comparable winds are also sweeping Australia, bringing a heatwave to the country's outback.
Officials have issued burning restrictions for concern about wildfires.
