Severe gales attaining velocities of up to 155km/h (96mph) have caused approximately 90,000 properties lacking electricity and led officials to call off over 100 flights, according to domestic outlets.
The gales are impacting the whole South Island and southern parts of the northern region, per the national weather agency.
The nation's agencies have issued infrequent severe gust advisories - the top caution category - in core zones including Canterbury and Wellington.
Residents have been urged to stay indoors, stay off roads, and prepare for more power and communication outages.
Extensive Impact and Emergency Measures
The power cut is primarily influencing homes predominantly in the South Island, while officials report that power was being slowly brought back.
Local media have indicated that in various locations homes have lost their roofs, whereas trees and electricity poles have been toppled by the gusts.
In Wellington, a individual was fatally injured after being struck by a wooden fragment at a frequent walking route on Tuesday.
Also in the capital, a woman was blown onto approaching vehicles on a road by a intensive burst, in a event that was filmed in a widely shared car camera footage.
Aircraft services entering and leaving the city have been cancelled as a result of the gusts, whereas certain highways and community centers are not operating.
Simultaneously Canterbury officials have issued a state of emergency, to assist disaster response efforts.
Labor Protests During Severe Weather
These intense gusts on this day coincide with many of educators, medical professionals and government employees take part in what has been termed a "mega strike", calling for better pay and working conditions.
But the extreme weather has compelled them to alter certain arrangements, with various open-air gatherings moved indoors or cancelled.
Comparable winds are impacting Australia, bringing a high-temperature event to the remote areas.
Authorities have announced burning restrictions for concern about wildfires.