Severe gusts attaining speeds of approximately 155km/h (96mph) have caused around 90,000 homes experiencing outages and led agencies to call off in excess of 100 aircraft departures, according to domestic outlets.
The gales are affecting the whole southern region and lower areas of the North Island, per the weather forecasting body.
The nation's agencies have released infrequent red wind warnings - the highest alert level - in core zones such as Canterbury and Wellington.
Locals have been advised to stay indoors, stay off roads, and make arrangements for further utility disruptions.
Broad Destruction and Crisis Response
The power cut appears to be affecting residences mainly in the southern region, although agencies state that the electricity supply was being gradually reinstated.
Domestic outlets have indicated that in various locations homes have lost their roofs, while trees and electricity poles have been brought down by the gusts.
Across Wellington, a individual was killed after being struck by a tree branch at a well-known hiking path on Tuesday.
Meanwhile in Wellington, a woman was swept into approaching vehicles on a road by a intensive burst, in a moment that was filmed in a popular vehicle recording.
Flights to and from the city have been halted as a result of the gusts, and certain highways and community centers are not operating.
Meanwhile Canterbury officials have announced a emergency situation, to facilitate emergency management operations.
Work Stoppages Alongside Severe Weather
The powerful gales on this day occur while tens of thousands of teachers, doctors and other public workers are participating in what has been termed a "major walkout", demanding improved salaries and workplace environments.
However the severe conditions has compelled them to change some of their plans, with various open-air gatherings relocated inside or abandoned.
Like conditions are also sweeping Australia, causing a period of extreme heat to the nation's interior regions.
Agencies have announced burning restrictions for concern about forest fires.