Powerful gales attaining velocities of up to 155km/h (96mph) have left nearly 90,000 properties without power and forced authorities to cancel in excess of 100 flights, according to local media.
The gales are influencing the complete South Island and southern parts of the northern region, as stated by the country's meteorological service.
New Zealand authorities have released rare severe gust advisories - the top caution category - in central regions encompassing Wellington and Canterbury.
Locals have been encouraged to stay indoors, stay off roads, and prepare for further utility disruptions.
Widespread Destruction and Crisis Response
The power cut seems to be impacting homes predominantly in the South Island, while agencies state that energy was being gradually reinstated.
Domestic outlets have stated that in certain areas structures have suffered roof damage, and power lines and trees have been toppled by the gusts.
Across Wellington, a man was lost his life after being impacted by a falling limb at a well-known hiking path on Tuesday.
Also in the capital, a woman was swept into oncoming traffic on a road by a powerful blast, in a incident that was recorded in a viral dashcam video.
Aircraft services entering and leaving the city have been halted as a result of the winds, while some roads and libraries are not operating.
At the same time Canterbury officials have declared a state of emergency, to assist emergency management operations.
Labor Protests Amid Extreme Weather
The powerful gales on today occur while tens of thousands of educators, medical professionals and government employees are participating in what has been called a "major walkout", demanding higher wages and enhanced employment terms.
However the intense climate has pressured them to modify various scheduled activities, with several external protests shifted to interior venues or called off.
Like conditions are affecting the nearby nation, causing a heatwave to the remote areas.
Authorities have issued flame prohibitions for concern about bushfires.
