Intense winds reaching velocities of as high as 155km/h (96mph) have resulted in around 90,000 households experiencing outages and led officials to cancel more than 100 aircraft departures, as reported by domestic outlets.
The winds are affecting the complete southern region and southern parts of the northern region, according to the weather forecasting body.
New Zealand authorities have announced infrequent high-level wind alerts - the most severe warning - in central regions such as Wellington and Canterbury.
Residents have been urged to remain inside, avoid travel, and get ready for further electricity and network failures.
Widespread Destruction and Crisis Response
The electricity loss is primarily influencing homes mainly in the southern region, while authorities state that energy was being gradually reinstated.
Domestic outlets have indicated that in various locations structures have suffered roof damage, whereas power lines and trees have been brought down by the winds.
In Wellington, a man was fatally injured after being impacted by a wooden fragment at a well-known hiking path on earlier this week.
Meanwhile in Wellington, a woman was swept into oncoming traffic on a street by a intensive burst, in a moment that was recorded in a viral dashcam video.
Aircraft services in and out of the metropolis have been suspended due to the weather, whereas various routes and public facilities are also closed.
At the same time local leaders have issued a state of emergency, to assist recovery activities.
Work Stoppages During Extreme Conditions
These intense gusts on today come as tens of thousands of educators, medical professionals and government employees are participating in what has been termed a "significant labor action", calling for higher wages and enhanced employment terms.
But the intense climate has compelled them to change certain arrangements, with various open-air gatherings moved indoors or called off.
Similar gusts are also sweeping the nearby nation, causing a high-temperature event to the country's outback.
Authorities have issued fire bans for concern about bushfires.
