Intense gusts hitting velocities of approximately 155km/h (96mph) have caused around 90,000 homes without power and forced authorities to halt in excess of 100 aircraft departures, as reported by regional news sources.
These gusts are influencing the entire southern region and southern sections of the North Island, according to the national weather agency.
The nation's agencies have announced rare high-level wind alerts - the highest alert level - in central regions such as Wellington and Canterbury.
Residents have been encouraged to stay indoors, stay off roads, and make arrangements for further power and communication outages.
Widespread Impact and Crisis Response
The electricity loss appears to be affecting households mainly in the South Island, while officials report that the electricity supply was being restored progressively.
Local media have stated that in certain areas structures have suffered roof damage, and utility poles and vegetation have been knocked down by the winds.
Within the capital, a man was killed after being struck by a wooden fragment at a frequent walking route on Tuesday.
Also in the capital, a woman was pushed toward oncoming traffic on a thoroughfare by a strong gust of wind, in a event that was captured in a viral dashcam video.
Flights entering and leaving the metropolis have been suspended due to the winds, and various routes and public facilities are shut down.
Meanwhile Canterbury officials have declared a emergency situation, to support disaster response efforts.
Strike Action During Severe Weather
These intense gusts on today come as many of educators, medical professionals and government employees are participating in what has been called a "major walkout", calling for higher wages and enhanced employment terms.
Yet the intense climate has compelled them to change certain arrangements, with several external protests relocated inside or cancelled.
Comparable winds are affecting the neighboring country, ushering in a high-temperature event to the remote areas.
Agencies have announced burning restrictions for concern about wildfires.
