Intense gales reaching velocities of approximately 155km/h (96mph) have caused approximately 90,000 households without power and compelled authorities to cancel more than 100 flights, based on domestic outlets.
The gales are influencing the whole South Island and southern sections of the northern region, according to the weather forecasting body.
The nation's agencies have released rare red wind warnings - the top caution category - in central regions including Wellington and Canterbury.
Residents have been advised to avoid going outside, stay off roads, and get ready for additional utility disruptions.
Broad Impact and Crisis Measures
The power cut appears to be affecting homes mostly in the southern region, although authorities say that the electricity supply was being restored progressively.
Regional news have reported that in certain areas structures have suffered roof damage, whereas utility poles and vegetation have been knocked down by the gusts.
In Wellington, a individual was fatally injured after being impacted by a tree branch at a well-known hiking path on Tuesday.
Also in the capital, a woman was pushed toward approaching vehicles on a thoroughfare by a intensive burst, in a incident that was recorded in a widely shared car camera footage.
Aircraft services entering and leaving the metropolis have been suspended as a result of the gusts, while certain highways and community centers are shut down.
Simultaneously Canterbury officials have issued a state of emergency, to assist disaster response efforts.
Strike Action During Severe Conditions
The wild winds on Thursday come as many of teachers, doctors and other public workers are engaged in what has been called a "mega strike", requesting better pay and working conditions.
Yet the intense climate has pressured them to change some of their plans, with various open-air gatherings moved indoors or called off.
Comparable winds are affecting the neighboring country, bringing a heatwave to the remote areas.
Officials have declared flame prohibitions for fear of wildfires.
