Severe winds reaching speeds of approximately 155km/h (96mph) have resulted in nearly 90,000 properties experiencing outages and led authorities to halt in excess of 100 air travel services, based on local media.
These gusts are affecting the complete South Island and lower areas of the northern region, as stated by the country's meteorological service.
New Zealand authorities have issued rare red wind warnings - the highest alert level - in key areas encompassing these major districts.
Locals have been urged to stay indoors, avoid travel, and prepare for further utility disruptions.
Extensive Damage and Crisis Measures
The electricity loss is primarily influencing households predominantly in the South Island, though agencies report that power was being slowly brought back.
Regional news have indicated that in various locations structures have suffered roof damage, and utility poles and vegetation have been brought down by the gusts.
Across Wellington, a man was killed after being impacted by a falling limb at a frequent walking route on earlier this week.
Also in the capital, a woman was pushed toward oncoming traffic on a street by a powerful blast, in a event that was captured in a viral dashcam video.
Aircraft services in and out of the metropolis have been suspended due to the weather, and certain highways and community centers are also closed.
Simultaneously authorities in Canterbury have announced a emergency situation, to support emergency management operations.
Work Stoppages During Harsh Weather
The powerful gales on this day come as tens of thousands of school staff, physicians and civil servants are engaged in what has been termed a "major walkout", demanding better pay and working conditions.
Yet the extreme weather has forced them to alter various scheduled activities, with some outdoor rallies shifted to interior venues or abandoned.
Comparable winds are impacting the nearby nation, bringing a heatwave to the country's outback.
Authorities have announced flame prohibitions for apprehension regarding wildfires.