Intense gusts reaching speeds of up to 155km/h (96mph) have resulted in approximately 90,000 households without power and compelled authorities to call off over 100 air travel services, as reported by regional news sources.
The gales are influencing the whole southern region and southern sections of the North Island, as stated by the national weather agency.
New Zealand authorities have released infrequent red wind warnings - the most severe warning - in core zones encompassing Canterbury and Wellington.
Residents have been urged to stay indoors, refrain from journeys, and make arrangements for additional utility disruptions.
Broad Impact and Crisis Response
The electricity loss is primarily influencing households predominantly in the southern region, although officials report that the electricity supply was being restored progressively.
Local media have stated that in some places structures have suffered roof damage, while utility poles and vegetation have been toppled by the gales.
Across Wellington, a individual was killed after being struck by a tree branch at a popular trail walking spot on earlier this week.
Also in the capital, a individual was blown onto moving cars on a road by a strong gust of wind, in a incident that was filmed in a viral dashcam video.
Flights entering and leaving the urban area have been cancelled due to the weather, and some roads and libraries are not operating.
Meanwhile local leaders have issued a crisis declaration, to facilitate recovery activities.
Strike Action Amid Harsh Weather
The powerful gales on this day come as numerous of teachers, doctors and other public workers are participating in what has been called a "mega strike", calling for higher wages and enhanced employment terms.
Yet the intense climate has compelled them to alter some of their plans, with several external protests relocated inside or abandoned.
Comparable winds are affecting the neighboring country, causing a heatwave to the remote areas.
Agencies have issued fire bans for fear of bushfires.