Powerful gusts reaching velocities of approximately 155km/h (96mph) have left nearly 90,000 homes without power and forced authorities to call off over 100 aircraft departures, as reported by regional news sources.
The gales are affecting the whole southern region and lower areas of the northern region, according to the weather forecasting body.
Officials in New Zealand have issued uncommon high-level wind alerts - the most severe warning - in key areas including Canterbury and Wellington.
People have been advised to stay indoors, avoid travel, and make arrangements for more utility disruptions.
Broad Destruction and Crisis Measures
The power cut appears to be affecting residences mainly in the southern region, while officials report that power was being slowly brought back.
Domestic outlets have reported that in certain areas roofs have been ripped off houses, whereas utility poles and vegetation have been brought down by the gusts.
Across Wellington, a individual was fatally injured after being impacted by a tree branch at a popular trail walking spot on earlier this week.
Also in the capital, a individual was pushed toward approaching vehicles on a thoroughfare by a intensive burst, in a event that was filmed in a widely shared car camera footage.
Aircraft services in and out of the city have been halted as a result of the gusts, whereas certain highways and community centers are not operating.
Simultaneously Canterbury officials have announced a state of emergency, to facilitate disaster response efforts.
Labor Protests Amid Harsh Weather
The wild winds on today come as tens of thousands of teachers, doctors and other public workers are engaged in what has been called a "mega strike", requesting better pay and working conditions.
However the severe conditions has compelled them to alter various scheduled activities, with various open-air gatherings relocated inside or cancelled.
Comparable winds are affecting the nearby nation, ushering in a period of extreme heat to the country's outback.
Agencies have issued flame prohibitions for concern about bushfires.
