Intense gusts hitting speeds of up to 155km/h (96mph) have left nearly 90,000 properties experiencing outages and forced agencies to call off more than 100 air travel services, based on regional news sources.
The winds are influencing the entire South Island and southern sections of the North Island, according to the country's meteorological service.
The nation's agencies have released infrequent high-level wind alerts - the highest alert level - in central regions including Wellington and Canterbury.
Locals have been advised to stay indoors, avoid travel, and get ready for further electricity and network failures.
Widespread Impact and Crisis Response
This outage is primarily influencing residences mainly in the South Island, while agencies state that the electricity supply was being slowly brought back.
Domestic outlets have indicated that in some places roofs have been ripped off houses, and power lines and trees have been toppled by the winds.
Across Wellington, a man was killed after being hit by a wooden fragment at a well-known hiking path on Tuesday.
Additionally in the city, a female was pushed toward approaching vehicles on a road by a strong gust of wind, in a event that was recorded in a widely shared car camera footage.
Flights entering and leaving the city have been halted due to the weather, while some roads and libraries are shut down.
Simultaneously local leaders have issued a emergency situation, to assist emergency management operations.
Work Stoppages Amid Harsh Conditions
The wild winds on Thursday come as numerous of teachers, doctors and other public workers take part in what has been termed a "significant labor action", demanding improved salaries and workplace environments.
Yet the intense climate has pressured them to modify certain arrangements, with several external protests moved indoors or cancelled.
Similar gusts are also sweeping the neighboring country, causing a period of extreme heat to the remote areas.
Authorities have issued fire bans for apprehension regarding bushfires.
