Intense gusts reaching velocities of as high as 155km/h (96mph) have resulted in nearly 90,000 households without power and forced authorities to call off in excess of 100 flights, based on local media.
These gusts are influencing the complete southern region and southern parts of the northern region, according to the weather forecasting body.
New Zealand authorities have announced rare high-level wind alerts - the top caution category - in core zones such as Wellington and Canterbury.
Locals have been advised to stay indoors, stay off roads, and prepare for additional electricity and network failures.
Extensive Destruction and Crisis Measures
This outage is primarily influencing homes predominantly in the southern region, while authorities say that the electricity supply was being gradually reinstated.
Domestic outlets have reported that in some places structures have suffered roof damage, whereas utility poles and vegetation have been toppled by the winds.
Across Wellington, a individual was fatally injured after being struck by a falling limb at a popular trail walking spot on Tuesday.
Additionally in the city, a female was pushed toward oncoming traffic on a street by a powerful blast, in a event that was captured in a popular vehicle recording.
Aircraft services in and out of the urban area have been halted due to the winds, while some roads and libraries are not operating.
Meanwhile authorities in Canterbury have announced a crisis declaration, to facilitate recovery activities.
Strike Action Amid Severe Conditions
These intense gusts on this day come as numerous of educators, medical professionals and government employees are engaged in what has been called a "mega strike", calling for better pay and working conditions.
However the intense climate has compelled them to change some of their plans, with some outdoor rallies shifted to interior venues or cancelled.
Similar gusts are also sweeping the nearby nation, causing a heatwave to the country's outback.
Agencies have declared burning restrictions for concern about forest fires.