Severe winds reaching speeds of as high as 155km/h (96mph) have caused nearly 90,000 households lacking electricity and forced officials to cancel over 100 aircraft departures, as reported by domestic outlets.
The winds are impacting the complete southern region and southern sections of the North Island, according to the national weather agency.
The nation's agencies have announced uncommon red wind warnings - the top caution category - in key areas including these major districts.
Residents have been encouraged to avoid going outside, avoid travel, and make arrangements for further electricity and network failures.
Extensive Impact and Emergency Measures
The electricity loss seems to be impacting residences mainly in the South Island, though officials state that the electricity supply was being slowly brought back.
Local media have reported that in various locations structures have suffered roof damage, and utility poles and vegetation have been brought down by the gales.
In Wellington, a man was fatally injured after being hit by a falling limb at a frequent walking route on Tuesday.
Also in the capital, a woman was swept into approaching vehicles on a thoroughfare by a powerful blast, in a event that was filmed in a viral dashcam video.
Flights to and from the metropolis have been suspended because of the winds, and various routes and public facilities are also closed.
Meanwhile local leaders have declared a emergency situation, to facilitate disaster response efforts.
Work Stoppages Amid Harsh Conditions
The powerful gales on this day come as tens of thousands of educators, medical professionals and government employees are engaged in what has been described as a "significant labor action", calling for higher wages and enhanced employment terms.
Yet the severe conditions has pressured them to modify certain arrangements, with several external protests moved indoors or abandoned.
Comparable winds are impacting Australia, ushering in a high-temperature event to the remote areas.
Officials have announced flame prohibitions for apprehension regarding forest fires.