Powerful gusts hitting velocities of approximately 155km/h (96mph) have resulted in nearly 90,000 properties without power and forced agencies to cancel over 100 flights, based on regional news sources.
The winds are affecting the complete southern region and lower areas of the North Island, according to the national weather agency.
The nation's agencies have announced infrequent red wind warnings - the top caution category - in core zones such as Canterbury and Wellington.
Residents have been encouraged to stay indoors, stay off roads, and prepare for additional utility disruptions.
Extensive Impact and Emergency Measures
This outage seems to be impacting residences mostly in the southern region, although agencies state that energy was being restored progressively.
Local media have stated that in certain areas homes have lost their roofs, while trees and electricity poles have been knocked down by the gusts.
Within the capital, a person was killed after being hit by a tree branch at a popular trail walking spot on earlier this week.
Additionally in the city, a woman was pushed toward moving cars on a road by a powerful blast, in a moment that was filmed in a popular vehicle recording.
Flights entering and leaving the city have been halted as a result of the gusts, while some roads and libraries are shut down.
Simultaneously authorities in Canterbury have declared a emergency situation, to assist emergency management operations.
Labor Protests Amid Extreme Weather
These intense gusts on Thursday occur while tens of thousands of teachers, doctors and other public workers take part in what has been described as a "major walkout", demanding higher wages and enhanced employment terms.
But the severe conditions has pressured them to change some of their plans, with various open-air gatherings moved indoors or called off.
Like conditions are affecting the neighboring country, bringing a period of extreme heat to the remote areas.
Agencies have declared fire bans for fear of wildfires.