Severe winds hitting speeds of as high as 155km/h (96mph) have caused approximately 90,000 homes without power and compelled authorities to call off more than 100 aircraft departures, based on domestic outlets.
The winds are influencing the complete South Island and southern sections of the North Island, per the national weather agency.
New Zealand authorities have released rare severe gust advisories - the most severe warning - in central regions such as Canterbury and Wellington.
Residents have been advised to avoid going outside, avoid travel, and get ready for more utility disruptions.
Extensive Damage and Crisis Response
The electricity loss is primarily influencing homes predominantly in the southern region, though agencies report that the electricity supply was being restored progressively.
Domestic outlets have stated that in some places roofs have been ripped off houses, while utility poles and vegetation have been toppled by the winds.
Across Wellington, a man was killed after being impacted by a tree branch at a well-known hiking path on Tuesday.
Additionally in the city, a individual was blown onto oncoming traffic on a thoroughfare by a powerful blast, in a incident that was recorded in a viral dashcam video.
Air travel to and from the urban area have been halted because of the winds, whereas various routes and public facilities are also closed.
Meanwhile local leaders have declared a crisis declaration, to facilitate recovery activities.
Labor Protests Amid Severe Weather
The wild winds on today come as many of educators, medical professionals and government employees are engaged in what has been described as a "mega strike", calling for higher wages and enhanced employment terms.
Yet the intense climate has forced them to modify some of their plans, with some outdoor rallies shifted to interior venues or cancelled.
Like conditions are affecting the neighboring country, bringing a high-temperature event to the nation's interior regions.
Authorities have issued fire bans for fear of bushfires.