Powerful gales attaining velocities of up to 155km/h (96mph) have left nearly 90,000 homes experiencing outages and compelled officials to halt in excess of 100 aircraft departures, based on local media.
The winds are influencing the complete southern region and southern parts of the northern region, according to the weather forecasting body.
New Zealand authorities have released infrequent red wind warnings - the most severe warning - in core zones encompassing these major districts.
People have been advised to avoid going outside, avoid travel, and get ready for further electricity and network failures.
Widespread Destruction and Crisis Response
This outage is primarily influencing homes mainly in the South Island, while officials report that power was being slowly brought back.
Regional news have indicated that in some places structures have suffered roof damage, while utility poles and vegetation have been toppled by the gales.
In Wellington, a man was killed after being struck by a tree branch at a well-known hiking path on earlier this week.
Additionally in the city, a woman was swept into approaching vehicles on a street by a strong gust of wind, in a moment that was captured in a viral dashcam video.
Aircraft services entering and leaving the city have been cancelled because of the winds, while various routes and public facilities are also closed.
Meanwhile local leaders have issued a emergency situation, to support disaster response efforts.
Strike Action Amid Harsh Conditions
The wild winds on today come as many of school staff, physicians and civil servants take part in what has been described as a "major walkout", demanding improved salaries and workplace environments.
However the intense climate has forced them to change certain arrangements, with various open-air gatherings moved indoors or abandoned.
Comparable winds are impacting the nearby nation, ushering in a period of extreme heat to the remote areas.
Agencies have announced flame prohibitions for apprehension regarding bushfires.