Intense gales hitting velocities of as high as 155km/h (96mph) have resulted in around 90,000 households experiencing outages and compelled officials to cancel over 100 aircraft departures, according to regional news sources.
The winds are influencing the complete South Island and lower areas of the North Island, as stated by the weather forecasting body.
The nation's agencies have issued rare red wind warnings - the top caution category - in central regions such as Canterbury and Wellington.
People have been advised to stay indoors, avoid travel, and get ready for more utility disruptions.
Broad Damage and Emergency Measures
This outage appears to be affecting homes predominantly in the southern region, while officials state that energy was being gradually reinstated.
Domestic outlets have stated that in some places structures have suffered roof damage, while utility poles and vegetation have been toppled by the gusts.
Across Wellington, a individual was killed after being hit by a falling limb at a popular trail walking spot on Tuesday.
Also in the capital, a female was swept into approaching vehicles on a street by a strong gust of wind, in a event that was recorded in a popular vehicle recording.
Air travel in and out of the metropolis have been suspended due to the gusts, and certain highways and community centers are not operating.
At the same time Canterbury officials have declared a emergency situation, to support disaster response efforts.
Labor Protests Amid Severe Weather
The powerful gales on today come as tens of thousands of teachers, doctors and other public workers take part in what has been called a "mega strike", demanding higher wages and enhanced employment terms.
Yet the intense climate has pressured them to change certain arrangements, with various open-air gatherings shifted to interior venues or abandoned.
Comparable winds are impacting the nearby nation, bringing a period of extreme heat to the nation's interior regions.
Authorities have announced burning restrictions for fear of wildfires.
