Powerful gusts reaching speeds of up to 155km/h (96mph) have left approximately 90,000 homes without power and forced officials to halt more than 100 air travel services, as reported by domestic outlets.
The gales are influencing the whole South Island and southern sections of the northern region, as stated by the country's meteorological service.
New Zealand authorities have issued uncommon high-level wind alerts - the highest alert level - in key areas including these major districts.
Locals have been advised to remain inside, avoid travel, and make arrangements for additional power and communication outages.
Extensive Impact and Crisis Response
The electricity loss is primarily influencing households mainly in the southern region, though agencies say that the electricity supply was being restored progressively.
Local media have stated that in some places roofs have been ripped off houses, and power lines and trees have been toppled by the gales.
In Wellington, a man was killed after being hit by a falling limb at a popular trail walking spot on earlier this week.
Additionally in the city, a woman was blown onto oncoming traffic on a road by a intensive burst, in a incident that was recorded in a viral dashcam video.
Flights to and from the city have been halted because of the winds, while certain highways and community centers are also closed.
At the same time local leaders have announced a crisis declaration, to assist disaster response efforts.
Strike Action Alongside Harsh Weather
The wild winds on Thursday coincide with tens of thousands of school staff, physicians and civil servants are engaged in what has been termed a "mega strike", requesting better pay and working conditions.
But the extreme weather has compelled them to modify some of their plans, with some outdoor rallies moved indoors or cancelled.
Similar gusts are impacting the nearby nation, causing a period of extreme heat to the nation's interior regions.
Agencies have issued flame prohibitions for apprehension regarding forest fires.
