Powerful gales hitting velocities of as high as 155km/h (96mph) have resulted in nearly 90,000 homes without power and forced authorities to call off in excess of 100 flights, based on local media.
The gales are influencing the entire southern region and lower areas of the North Island, according to the national weather agency.
Officials in New Zealand have announced uncommon red wind warnings - the most severe warning - in key areas including Wellington and Canterbury.
Residents have been urged to remain inside, avoid travel, and get ready for further electricity and network failures.
Broad Destruction and Crisis Response
The electricity loss appears to be affecting homes mostly in the southern region, while agencies state that energy was being restored progressively.
Domestic outlets have stated that in certain areas homes have lost their roofs, whereas utility poles and vegetation have been toppled by the gales.
Across Wellington, a person was lost his life after being struck by a tree branch at a frequent walking route on earlier this week.
Meanwhile in Wellington, a woman was swept into approaching vehicles on a street by a strong gust of wind, in a moment that was filmed in a popular vehicle recording.
Air travel to and from the city have been suspended due to the winds, and various routes and public facilities are also closed.
At the same time local leaders have announced a crisis declaration, to support emergency management operations.
Work Stoppages Amid Severe Weather
The powerful gales on today occur while tens of thousands of school staff, physicians and civil servants are participating in what has been described as a "mega strike", calling for improved salaries and workplace environments.
But the intense climate has compelled them to change various scheduled activities, with some outdoor rallies moved indoors or called off.
Comparable winds are also sweeping the neighboring country, bringing a heatwave to the nation's interior regions.
Authorities have announced flame prohibitions for fear of wildfires.
