Intense gusts reaching speeds of as high as 155km/h (96mph) have left nearly 90,000 households experiencing outages and led officials to call off in excess of 100 flights, based on regional news sources.
The gales are impacting the complete South Island and southern sections of the North Island, according to the weather forecasting body.
The nation's agencies have released uncommon red wind warnings - the highest alert level - in key areas encompassing Canterbury and Wellington.
Locals have been urged to stay indoors, refrain from journeys, and make arrangements for further electricity and network failures.
Widespread Damage and Crisis Response
The electricity loss seems to be impacting households mostly in the South Island, although agencies say that power was being slowly brought back.
Local media have reported that in certain areas roofs have been ripped off houses, while utility poles and vegetation have been brought down by the gusts.
Within the capital, a man was fatally injured after being struck by a tree branch at a popular trail walking spot on Tuesday.
Additionally in the city, a female was pushed toward oncoming traffic on a thoroughfare by a strong gust of wind, in a incident that was captured in a widely shared car camera footage.
Flights to and from the urban area have been suspended because of the weather, while certain highways and community centers are shut down.
Simultaneously Canterbury officials have announced a emergency situation, to assist emergency management operations.
Strike Action Amid Extreme Conditions
These intense gusts on this day coincide with numerous of teachers, doctors and other public workers are engaged in what has been termed a "mega strike", calling for better pay and working conditions.
However the intense climate has forced them to change some of their plans, with some outdoor rallies moved indoors or abandoned.
Comparable winds are impacting Australia, bringing a heatwave to the remote areas.
Authorities have issued burning restrictions for apprehension regarding forest fires.
