Severe winds reaching velocities of approximately 155km/h (96mph) have resulted in approximately 90,000 homes lacking electricity and led agencies to call off over 100 aircraft departures, according to local media.
The gales are affecting the entire southern region and southern sections of the North Island, per the weather forecasting body.
New Zealand authorities have issued rare severe gust advisories - the top caution category - in core zones encompassing these major districts.
Locals have been encouraged to avoid going outside, refrain from journeys, and get ready for further power and communication outages.
Extensive Damage and Crisis Measures
The power cut seems to be impacting homes mostly in the South Island, though officials report that the electricity supply was being slowly brought back.
Local media have stated that in some places structures have suffered roof damage, and utility poles and vegetation have been brought down by the winds.
In Wellington, a individual was fatally injured after being struck by a tree branch at a popular trail walking spot on earlier this week.
Meanwhile in Wellington, a individual was pushed toward oncoming traffic on a street by a strong gust of wind, in a moment that was filmed in a widely shared car camera footage.
Aircraft services in and out of the urban area have been halted because of the gusts, whereas certain highways and community centers are shut down.
At the same time Canterbury officials have declared a emergency situation, to facilitate recovery activities.
Work Stoppages Alongside Extreme Weather
The powerful gales on this day occur while numerous of school staff, physicians and civil servants are participating in what has been described as a "significant labor action", demanding higher wages and enhanced employment terms.
But the extreme weather has compelled them to alter certain arrangements, with some outdoor rallies moved indoors or called off.
Similar gusts are impacting the nearby nation, bringing a period of extreme heat to the nation's interior regions.
Agencies have announced flame prohibitions for apprehension regarding forest fires.