Powerful gusts hitting velocities of up to 155km/h (96mph) have resulted in approximately 90,000 households lacking electricity and forced agencies to halt in excess of 100 aircraft departures, as reported by domestic outlets.
The winds are impacting the entire southern region and lower areas of the northern region, according to the country's meteorological service.
Officials in New Zealand have announced rare high-level wind alerts - the top caution category - in core zones including Wellington and Canterbury.
Residents have been encouraged to avoid going outside, avoid travel, and make arrangements for further utility disruptions.
Broad Damage and Emergency Measures
The electricity loss appears to be affecting households predominantly in the South Island, though authorities say that the electricity supply was being gradually reinstated.
Local media have stated that in certain areas homes have lost their roofs, while power lines and trees have been knocked down by the gales.
Across Wellington, a man was lost his life after being hit by a falling limb at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a woman was pushed toward moving cars on a road by a strong gust of wind, in a incident that was recorded in a viral dashcam video.
Flights in and out of the metropolis have been cancelled due to the gusts, while some roads and libraries are also closed.
At the same time authorities in Canterbury have declared a state of emergency, to support recovery activities.
Work Stoppages During Harsh Conditions
These intense gusts on this day come as tens of thousands of educators, medical professionals and government employees are participating in what has been called a "major walkout", calling for improved salaries and workplace environments.
However the extreme weather has forced them to change certain arrangements, with some outdoor rallies moved indoors or called off.
Like conditions are impacting Australia, causing a high-temperature event to the country's outback.
Authorities have announced fire bans for fear of bushfires.
