Powerful gales hitting speeds of up to 155km/h (96mph) have left approximately 90,000 homes without power and forced officials to call off more than 100 flights, according to local media.
These gusts are affecting the entire southern region and lower areas of the northern region, according to the national weather agency.
Officials in New Zealand have released rare red wind warnings - the most severe warning - in core zones such as Wellington and Canterbury.
Residents have been encouraged to stay indoors, refrain from journeys, and prepare for more utility disruptions.
Widespread Damage and Emergency Measures
The electricity loss appears to be affecting homes mostly in the South Island, although authorities say that power was being restored progressively.
Local media have stated that in certain areas homes have lost their roofs, and utility poles and vegetation have been knocked down by the gusts.
Across Wellington, a individual was lost his life after being struck by a falling limb at a frequent walking route on Tuesday.
Additionally in the city, a female was swept into moving cars on a road by a intensive burst, in a event that was captured in a widely shared car camera footage.
Air travel in and out of the urban area have been cancelled due to the weather, while certain highways and community centers are also closed.
Simultaneously authorities in Canterbury have issued a crisis declaration, to support disaster response efforts.
Strike Action Alongside Severe Weather
The wild winds on today come as numerous of educators, medical professionals and government employees are participating in what has been called a "mega strike", demanding improved salaries and workplace environments.
However the intense climate has forced them to alter some of their plans, with various open-air gatherings relocated inside or called off.
Similar gusts are affecting the neighboring country, causing a high-temperature event to the nation's interior regions.
Agencies have issued flame prohibitions for fear of forest fires.
