Powerful gusts reaching velocities of approximately 155km/h (96mph) have left around 90,000 households lacking electricity and led agencies to call off in excess of 100 flights, as reported by regional news sources.
The winds are affecting the entire southern region and southern sections of the northern region, according to the national weather agency.
Officials in New Zealand have announced uncommon severe gust advisories - the highest alert level - in central regions such as these major districts.
Residents have been encouraged to stay indoors, refrain from journeys, and get ready for further electricity and network failures.
Broad Impact and Crisis Response
The power cut seems to be impacting residences predominantly in the South Island, though authorities say that the electricity supply was being slowly brought back.
Domestic outlets have indicated that in certain areas structures have suffered roof damage, while trees and electricity poles have been toppled by the gales.
Across Wellington, a man was fatally injured after being struck by a tree branch at a well-known hiking path on earlier this week.
Meanwhile in Wellington, a individual was blown onto oncoming traffic on a street by a strong gust of wind, in a event that was filmed in a popular vehicle recording.
Aircraft services entering and leaving the city have been halted as a result of the gusts, and some roads and libraries are not operating.
Meanwhile local leaders have issued a crisis declaration, to support recovery activities.
Work Stoppages Amid Extreme Conditions
The wild winds on this day come as tens of thousands of educators, medical professionals and government employees are engaged in what has been described as a "significant labor action", calling for better pay and working conditions.
Yet the extreme weather has pressured them to change certain arrangements, with some outdoor rallies moved indoors or called off.
Like conditions are also sweeping the neighboring country, causing a high-temperature event to the country's outback.
Agencies have announced fire bans for concern about wildfires.
