Severe gales reaching speeds of as high as 155km/h (96mph) have caused nearly 90,000 households experiencing outages and compelled officials to halt over 100 flights, according to local media.
These gusts are affecting the whole southern region and southern sections of the North Island, according to the national weather agency.
The nation's agencies have issued rare red wind warnings - the highest alert level - in key areas including these major districts.
Residents have been encouraged to avoid going outside, stay off roads, and get ready for more power and communication outages.
Broad Damage and Emergency Response
The power cut seems to be impacting households predominantly in the southern region, though agencies report that energy was being slowly brought back.
Domestic outlets have stated that in certain areas structures have suffered roof damage, and utility poles and vegetation have been toppled by the gusts.
Across Wellington, a individual was fatally injured after being struck by a tree branch at a popular trail walking spot on earlier this week.
Also in the capital, a individual was blown onto approaching vehicles on a street by a strong gust of wind, in a event that was captured in a viral dashcam video.
Air travel in and out of the metropolis have been suspended because of the weather, and some roads and libraries are shut down.
At the same time Canterbury officials have issued a state of emergency, to assist recovery activities.
Work Stoppages Amid Extreme Conditions
The powerful gales on today coincide with tens of thousands of school staff, physicians and civil servants are participating in what has been called a "major walkout", requesting better pay and working conditions.
However the severe conditions has compelled them to modify certain arrangements, with various open-air gatherings relocated inside or cancelled.
Like conditions are also sweeping the nearby nation, bringing a high-temperature event to the remote areas.
Agencies have declared flame prohibitions for concern about forest fires.
