Intense winds reaching velocities of up to 155km/h (96mph) have caused approximately 90,000 properties lacking electricity and led agencies to call off more than 100 air travel services, as reported by regional news sources.
The winds are impacting the entire South Island and southern parts of the North Island, according to the national weather agency.
The nation's agencies have issued uncommon severe gust advisories - the top caution category - in core zones including Wellington and Canterbury.
Residents have been advised to avoid going outside, refrain from journeys, and prepare for more power and communication outages.
Widespread Impact and Emergency Response
This outage appears to be affecting homes predominantly in the southern region, although authorities say that energy was being gradually reinstated.
Domestic outlets have reported that in some places roofs have been ripped off houses, whereas power lines and trees have been knocked down by the gales.
Across Wellington, a person was fatally injured after being hit by a falling limb at a frequent walking route on earlier this week.
Meanwhile in Wellington, a female was swept into oncoming traffic on a street by a strong gust of wind, in a event that was recorded in a viral dashcam video.
Flights to and from the urban area have been cancelled because of the weather, and various routes and public facilities are shut down.
Simultaneously Canterbury officials have announced a state of emergency, to assist recovery activities.
Work Stoppages Alongside Harsh Weather
The powerful gales on today occur while numerous of teachers, doctors and other public workers take part in what has been termed a "major walkout", demanding improved salaries and workplace environments.
However the severe conditions has forced them to alter various scheduled activities, with several external protests relocated inside or cancelled.
Similar gusts are also sweeping the neighboring country, bringing a high-temperature event to the country's outback.
Officials have declared burning restrictions for fear of wildfires.
