Intense winds hitting speeds of as high as 155km/h (96mph) have left approximately 90,000 homes without power and led agencies to halt over 100 air travel services, according to domestic outlets.
The winds are impacting the entire South Island and lower areas of the North Island, as stated by the weather forecasting body.
The nation's agencies have released rare high-level wind alerts - the top caution category - in key areas encompassing these major districts.
Residents have been encouraged to avoid going outside, refrain from journeys, and make arrangements for additional power and communication outages.
Widespread Impact and Emergency Response
The electricity loss is primarily influencing homes predominantly in the South Island, while officials say that power was being gradually reinstated.
Local media have reported that in some places structures have suffered roof damage, and utility poles and vegetation have been knocked down by the gusts.
In Wellington, a individual was killed after being hit by a tree branch at a popular trail walking spot on earlier this week.
Additionally in the city, a female was pushed toward approaching vehicles on a street by a strong gust of wind, in a incident that was filmed in a viral dashcam video.
Flights to and from the city have been cancelled as a result of the gusts, and certain highways and community centers are shut down.
At the same time local leaders have announced a state of emergency, to facilitate emergency management operations.
Strike Action Amid Extreme Weather
The wild winds on this day come as numerous of school staff, physicians and civil servants are participating in what has been described as a "major walkout", demanding improved salaries and workplace environments.
However the extreme weather has forced them to modify some of their plans, with some outdoor rallies relocated inside or cancelled.
Comparable winds are impacting Australia, causing a period of extreme heat to the remote areas.
Agencies have issued flame prohibitions for apprehension regarding wildfires.
