Intense winds hitting speeds of up to 155km/h (96mph) have left around 90,000 homes experiencing outages and led authorities to cancel more than 100 air travel services, based on local media.
The gales are influencing the entire southern region and lower areas of the northern region, as stated by the weather forecasting body.
Officials in New Zealand have announced infrequent high-level wind alerts - the highest alert level - in core zones including Wellington and Canterbury.
Residents have been urged to remain inside, avoid travel, and make arrangements for more electricity and network failures.
Widespread Damage and Crisis Response
The electricity loss is primarily influencing homes mainly in the southern region, though officials report that the electricity supply was being gradually reinstated.
Domestic outlets have reported that in various locations structures have suffered roof damage, while utility poles and vegetation have been toppled by the winds.
In Wellington, a man was fatally injured after being hit by a falling limb at a popular trail walking spot on Tuesday.
Also in the capital, a individual was blown onto oncoming traffic on a road by a strong gust of wind, in a incident that was filmed in a viral dashcam video.
Air travel entering and leaving the urban area have been cancelled because of the gusts, whereas various routes and public facilities are not operating.
At the same time local leaders have issued a crisis declaration, to assist disaster response efforts.
Work Stoppages During Extreme Conditions
The wild winds on this day coincide with many of educators, medical professionals and government employees are participating in what has been described as a "significant labor action", requesting higher wages and enhanced employment terms.
However the extreme weather has forced them to modify various scheduled activities, with some outdoor rallies moved indoors or cancelled.
Like conditions are impacting Australia, bringing a heatwave to the remote areas.
Agencies have declared burning restrictions for apprehension regarding forest fires.
