Powerful gusts reaching velocities of up to 155km/h (96mph) have caused approximately 90,000 households lacking electricity and compelled officials to call off over 100 aircraft departures, according to domestic outlets.
The winds are influencing the complete South Island and southern parts of the northern region, according to the weather forecasting body.
New Zealand authorities have issued infrequent red wind warnings - the highest alert level - in central regions including these major districts.
Locals have been urged to remain inside, avoid travel, and make arrangements for additional utility disruptions.
Broad Impact and Crisis Measures
This outage appears to be affecting homes predominantly in the South Island, although agencies report that the electricity supply was being slowly brought back.
Regional news have indicated that in some places structures have suffered roof damage, and utility poles and vegetation have been brought down by the winds.
Across Wellington, a person was fatally injured after being hit by a wooden fragment at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a individual was blown onto approaching vehicles on a street by a intensive burst, in a incident that was recorded in a popular vehicle recording.
Flights to and from the metropolis have been suspended due to the gusts, and various routes and public facilities are not operating.
At the same time authorities in Canterbury have issued a emergency situation, to support emergency management operations.
Labor Protests Alongside Extreme Conditions
The wild winds on this day occur while numerous of educators, medical professionals and government employees are participating in what has been described as a "significant labor action", requesting better pay and working conditions.
But the severe conditions has compelled them to modify some of their plans, with several external protests moved indoors or cancelled.
Comparable winds are impacting Australia, bringing a period of extreme heat to the remote areas.
Authorities have announced fire bans for apprehension regarding wildfires.