Severe winds hitting speeds of approximately 155km/h (96mph) have resulted in around 90,000 homes without power and led officials to halt over 100 air travel services, according to domestic outlets.
The winds are affecting the entire southern region and lower areas of the northern region, according to the weather forecasting body.
Officials in New Zealand have issued rare severe gust advisories - the highest alert level - in central regions encompassing Canterbury and Wellington.
Residents have been encouraged to remain inside, stay off roads, and get ready for more electricity and network failures.
Widespread Damage and Crisis Measures
The electricity loss appears to be affecting residences mainly in the southern region, while agencies say that the electricity supply was being restored progressively.
Local media have reported that in some places homes have lost their roofs, while trees and electricity poles have been knocked down by the gales.
Within the capital, a person was lost his life after being impacted by a falling limb at a well-known hiking path on earlier this week.
Meanwhile in Wellington, a woman was pushed toward approaching vehicles on a road by a strong gust of wind, in a event that was captured in a viral dashcam video.
Aircraft services to and from the metropolis have been cancelled because of the weather, while certain highways and community centers are not operating.
Simultaneously authorities in Canterbury have issued a crisis declaration, to facilitate emergency management operations.
Work Stoppages During Harsh Weather
These intense gusts on today coincide with many of school staff, physicians and civil servants take part in what has been called a "mega strike", demanding higher wages and enhanced employment terms.
But the intense climate has pressured them to change some of their plans, with some outdoor rallies shifted to interior venues or cancelled.
Like conditions are also sweeping the nearby nation, bringing a high-temperature event to the country's outback.
Authorities have announced flame prohibitions for fear of forest fires.
