Intense gusts attaining velocities of as high as 155km/h (96mph) have caused nearly 90,000 households experiencing outages and forced authorities to halt in excess of 100 aircraft departures, as reported by regional news sources.
The winds are impacting the whole South Island and southern parts of the North Island, according to the country's meteorological service.
Officials in New Zealand have issued uncommon red wind warnings - the top caution category - in core zones including Wellington and Canterbury.
Locals have been advised to avoid going outside, stay off roads, and prepare for more electricity and network failures.
Widespread Destruction and Crisis Measures
This outage appears to be affecting homes predominantly in the southern region, while officials state that the electricity supply was being gradually reinstated.
Domestic outlets have stated that in various locations homes have lost their roofs, while trees and electricity poles have been knocked down by the gusts.
Within the capital, a man was killed after being hit by a wooden fragment at a frequent walking route on earlier this week.
Meanwhile in Wellington, a female was pushed toward approaching vehicles on a road by a strong gust of wind, in a moment that was filmed in a popular vehicle recording.
Air travel in and out of the city have been halted due to the winds, whereas some roads and libraries are shut down.
Simultaneously local leaders have announced a crisis declaration, to facilitate recovery activities.
Strike Action During Severe Conditions
The wild winds on Thursday occur while tens of thousands of teachers, doctors and other public workers take part in what has been termed a "mega strike", requesting higher wages and enhanced employment terms.
But the intense climate has compelled them to modify some of their plans, with several external protests moved indoors or called off.
Like conditions are affecting Australia, bringing a high-temperature event to the country's outback.
Authorities have declared flame prohibitions for fear of bushfires.
