Intense gusts attaining speeds of up to 155km/h (96mph) have left nearly 90,000 properties without power and compelled agencies to call off over 100 flights, as reported by local media.
The winds are influencing the whole South Island and southern sections of the North Island, according to the national weather agency.
Officials in New Zealand have released rare red wind warnings - the top caution category - in central regions including these major districts.
Residents have been advised to stay indoors, avoid travel, and make arrangements for further electricity and network failures.
Broad Destruction and Emergency Response
The power cut is primarily influencing households mostly in the southern region, while authorities state that power was being restored progressively.
Domestic outlets have stated that in various locations homes have lost their roofs, while utility poles and vegetation have been brought down by the winds.
Across Wellington, a man was killed after being hit by a falling limb at a popular trail walking spot on earlier this week.
Meanwhile in Wellington, a individual was blown onto moving cars on a road by a strong gust of wind, in a moment that was filmed in a viral dashcam video.
Aircraft services to and from the city have been halted as a result of the weather, whereas various routes and public facilities are not operating.
Meanwhile authorities in Canterbury have declared a state of emergency, to support emergency management operations.
Work Stoppages Amid Harsh Conditions
The wild winds on today occur while tens of thousands of teachers, doctors and other public workers are engaged in what has been termed a "mega strike", calling for improved salaries and workplace environments.
However the extreme weather has forced them to modify certain arrangements, with various open-air gatherings relocated inside or called off.
Like conditions are also sweeping Australia, bringing a high-temperature event to the country's outback.
Authorities have announced flame prohibitions for fear of bushfires.
