Severe gusts attaining velocities of as high as 155km/h (96mph) have caused around 90,000 properties lacking electricity and compelled agencies to call off over 100 aircraft departures, according to domestic outlets.
These gusts are influencing the complete southern region and southern parts of the North Island, according to the weather forecasting body.
New Zealand authorities have released rare high-level wind alerts - the highest alert level - in central regions encompassing Canterbury and Wellington.
Residents have been advised to remain inside, stay off roads, and prepare for additional power and communication outages.
Widespread Damage and Crisis Measures
The power cut appears to be affecting households mostly in the South Island, although officials state that power was being restored progressively.
Local media have reported that in certain areas roofs have been ripped off houses, and utility poles and vegetation have been toppled by the gales.
Across Wellington, a person was killed after being struck by a tree branch at a popular trail walking spot on earlier this week.
Also in the capital, a individual was blown onto moving cars on a thoroughfare by a intensive burst, in a moment that was filmed in a widely shared car camera footage.
Aircraft services in and out of the city have been cancelled as a result of the winds, and various routes and public facilities are also closed.
Meanwhile authorities in Canterbury have announced a crisis declaration, to facilitate disaster response efforts.
Work Stoppages During Harsh Conditions
The powerful gales on this day coincide with numerous of educators, medical professionals and government employees are participating in what has been called a "major walkout", demanding improved salaries and workplace environments.
But the severe conditions has forced them to alter various scheduled activities, with several external protests shifted to interior venues or called off.
Like conditions are affecting Australia, ushering in a period of extreme heat to the remote areas.
Officials have declared fire bans for apprehension regarding forest fires.
