Intense gusts hitting speeds of as high as 155km/h (96mph) have caused approximately 90,000 households without power and forced agencies to halt over 100 flights, based on domestic outlets.
The winds are affecting the complete southern region and southern parts of the North Island, according to the country's meteorological service.
New Zealand authorities have announced rare severe gust advisories - the top caution category - in key areas such as these major districts.
People have been encouraged to remain inside, avoid travel, and make arrangements for more utility disruptions.
Extensive Damage and Crisis Response
The electricity loss appears to be affecting homes mainly in the South Island, while agencies say that power was being gradually reinstated.
Regional news have stated that in certain areas structures have suffered roof damage, and power lines and trees have been brought down by the gales.
In Wellington, a man was lost his life after being struck by a falling limb at a popular trail walking spot on earlier this week.
Additionally in the city, a individual was blown onto moving cars on a road by a powerful blast, in a incident that was captured in a widely shared car camera footage.
Flights in and out of the city have been halted due to the gusts, while some roads and libraries are shut down.
At the same time authorities in Canterbury have declared a state of emergency, to facilitate recovery activities.
Work Stoppages Amid Severe Weather
The powerful gales on today come as tens of thousands of school staff, physicians and civil servants take part in what has been termed a "major walkout", calling for higher wages and enhanced employment terms.
Yet the severe conditions has forced them to alter various scheduled activities, with various open-air gatherings relocated inside or abandoned.
Comparable winds are also sweeping Australia, bringing a heatwave to the country's outback.
Agencies have announced flame prohibitions for apprehension regarding wildfires.
