Severe gales attaining speeds of up to 155km/h (96mph) have resulted in nearly 90,000 households without power and led authorities to cancel over 100 air travel services, according to local media.
The gales are affecting the entire southern region and lower areas of the North Island, as stated by the national weather agency.
The nation's agencies have issued infrequent high-level wind alerts - the top caution category - in central regions encompassing these major districts.
Locals have been encouraged to stay indoors, stay off roads, and get ready for additional power and communication outages.
Broad Damage and Crisis Measures
The electricity loss is primarily influencing households predominantly in the South Island, while authorities report that the electricity supply was being slowly brought back.
Local media have reported that in various locations roofs have been ripped off houses, and utility poles and vegetation have been brought down by the gusts.
Across Wellington, a person was fatally injured after being struck by a wooden fragment at a well-known hiking path on Tuesday.
Additionally in the city, a individual was pushed toward moving cars on a street by a intensive burst, in a incident that was filmed in a widely shared car camera footage.
Flights in and out of the city have been halted because of the gusts, whereas certain highways and community centers are not operating.
Simultaneously Canterbury officials have issued a crisis declaration, to assist recovery activities.
Labor Protests Alongside Severe Weather
The wild winds on Thursday occur while many of teachers, doctors and other public workers are engaged in what has been termed a "mega strike", requesting improved salaries and workplace environments.
However the extreme weather has forced them to change some of their plans, with several external protests shifted to interior venues or called off.
Like conditions are affecting the nearby nation, bringing a heatwave to the country's outback.
Agencies have announced burning restrictions for fear of bushfires.