Powerful gales attaining velocities of up to 155km/h (96mph) have left nearly 90,000 homes lacking electricity and led agencies to call off more than 100 flights, as reported by domestic outlets.
The winds are influencing the entire South Island and lower areas of the northern region, per the weather forecasting body.
New Zealand authorities have announced rare red wind warnings - the top caution category - in key areas encompassing these major districts.
Residents have been encouraged to remain inside, stay off roads, and prepare for further electricity and network failures.
Widespread Destruction and Crisis Response
This outage is primarily influencing residences mainly in the southern region, although authorities state that the electricity supply was being gradually reinstated.
Domestic outlets have indicated that in some places homes have lost their roofs, and power lines and trees have been toppled by the gusts.
Across Wellington, a man was fatally injured after being struck by a wooden fragment at a popular trail walking spot on earlier this week.
Meanwhile in Wellington, a individual was swept into approaching vehicles on a road by a strong gust of wind, in a incident that was filmed in a popular vehicle recording.
Aircraft services in and out of the urban area have been halted because of the winds, and certain highways and community centers are shut down.
Simultaneously authorities in Canterbury have declared a crisis declaration, to facilitate emergency management operations.
Work Stoppages Amid Extreme Conditions
The wild winds on this day occur while tens of thousands of teachers, doctors and other public workers take part in what has been described as a "major walkout", demanding better pay and working conditions.
However the extreme weather has compelled them to modify some of their plans, with various open-air gatherings relocated inside or abandoned.
Like conditions are affecting the neighboring country, ushering in a heatwave to the nation's interior regions.
Agencies have declared flame prohibitions for apprehension regarding forest fires.
