Intense winds attaining velocities of approximately 155km/h (96mph) have caused nearly 90,000 properties without power and compelled authorities to halt more than 100 air travel services, according to domestic outlets.
The winds are affecting the complete southern region and lower areas of the North Island, as stated by the country's meteorological service.
Officials in New Zealand have announced infrequent red wind warnings - the most severe warning - in key areas such as Wellington and Canterbury.
Locals have been urged to remain inside, stay off roads, and prepare for more power and communication outages.
Extensive Damage and Crisis Measures
This outage seems to be impacting homes mainly in the southern region, although agencies say that the electricity supply was being gradually reinstated.
Domestic outlets have reported that in some places roofs have been ripped off houses, while trees and electricity poles have been knocked down by the winds.
In Wellington, a man was fatally injured after being hit by a wooden fragment at a popular trail walking spot on earlier this week.
Also in the capital, a female was pushed toward moving cars on a road by a powerful blast, in a incident that was filmed in a viral dashcam video.
Aircraft services entering and leaving the city have been halted due to the winds, and certain highways and community centers are also closed.
Simultaneously Canterbury officials have issued a crisis declaration, to support emergency management operations.
Strike Action During Extreme Conditions
These intense gusts on this day come as numerous of teachers, doctors and other public workers are participating in what has been termed a "significant labor action", requesting improved salaries and workplace environments.
However the extreme weather has compelled them to alter certain arrangements, with several external protests moved indoors or cancelled.
Similar gusts are also sweeping Australia, ushering in a period of extreme heat to the remote areas.
Officials have announced flame prohibitions for concern about bushfires.
