Intense gales reaching velocities of approximately 155km/h (96mph) have left approximately 90,000 households experiencing outages and compelled authorities to cancel more than 100 air travel services, according to local media.
The winds are influencing the complete 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 highest alert level - in core zones such as Wellington and Canterbury.
People have been encouraged to stay indoors, avoid travel, and make arrangements for more utility disruptions.
Extensive Destruction and Crisis Measures
The electricity loss seems to be impacting homes predominantly in the southern region, though officials report that energy was being gradually reinstated.
Domestic outlets have reported that in certain areas homes have lost their roofs, whereas utility poles and vegetation have been brought down by the winds.
In Wellington, a person was fatally injured after being impacted by a tree branch at a frequent walking route on Tuesday.
Additionally in the city, a female was blown onto oncoming traffic on a road by a powerful blast, in a event that was captured in a viral dashcam video.
Flights entering and leaving the metropolis have been suspended because of the gusts, while certain highways and community centers are not operating.
Meanwhile Canterbury officials have issued a state of emergency, to support disaster response efforts.
Strike Action Amid Extreme Conditions
These intense gusts on this day occur while numerous of educators, medical professionals and government employees are engaged in what has been described as a "mega strike", calling for better pay and working conditions.
But the extreme weather has forced them to modify some of their plans, with various open-air gatherings shifted to interior venues or cancelled.
Similar gusts are affecting Australia, bringing a high-temperature event to the remote areas.
Agencies have announced burning restrictions for fear of bushfires.
