Severe gusts hitting velocities of approximately 155km/h (96mph) have caused nearly 90,000 properties experiencing outages and forced authorities to call off over 100 flights, according to domestic outlets.
The winds are affecting the entire southern region and southern sections of the North Island, as stated by the country's meteorological service.
The nation's agencies have announced infrequent severe gust advisories - the highest alert level - in central regions encompassing Canterbury and Wellington.
Locals have been encouraged to remain inside, refrain from journeys, and prepare for further utility disruptions.
Extensive Damage and Emergency Measures
The electricity loss appears to be affecting homes mainly in the South Island, while agencies state that the electricity supply was being slowly brought back.
Local media have stated that in some places homes have lost their roofs, whereas utility poles and vegetation have been toppled by the gales.
Across Wellington, a man was fatally injured after being struck by a falling limb at a frequent walking route on earlier this week.
Additionally in the city, a woman was pushed toward moving cars on a thoroughfare by a strong gust of wind, in a moment that was filmed in a widely shared car camera footage.
Air travel entering and leaving the city have been halted because of the winds, while various routes and public facilities are not operating.
At the same time local leaders have issued a emergency situation, to support emergency management operations.
Labor Protests Amid Extreme Conditions
The powerful gales on Thursday occur while numerous of educators, medical professionals and government employees are participating in what has been described as a "major walkout", calling for higher wages and enhanced employment terms.
But the extreme weather has compelled them to change some of their plans, with various open-air gatherings relocated inside or abandoned.
Like conditions are impacting the nearby nation, bringing a heatwave to the country's outback.
Agencies have declared flame prohibitions for concern about forest fires.
