Intense winds reaching velocities of up to 155km/h (96mph) have resulted in around 90,000 properties without power and compelled authorities to call off in excess of 100 aircraft departures, according to local media.
The gales are influencing the entire South Island and southern sections of the northern region, as stated by the national weather agency.
The nation's agencies have issued infrequent high-level wind alerts - the most severe warning - in core zones such as Canterbury and Wellington.
Residents have been advised to stay indoors, refrain from journeys, and get ready for further electricity and network failures.
Widespread Damage and Crisis Response
The electricity loss appears to be affecting residences mainly in the southern region, while authorities say that power was being restored progressively.
Local media have reported that in various locations structures have suffered roof damage, while utility poles and vegetation have been toppled by the winds.
Within the capital, a man was killed after being impacted by a tree branch at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a female was swept into approaching vehicles on a thoroughfare by a powerful blast, in a event that was recorded in a widely shared car camera footage.
Flights in and out of the urban area have been cancelled as a result of the weather, whereas various routes and public facilities are also closed.
Meanwhile authorities in Canterbury have issued a emergency situation, to assist emergency management operations.
Strike Action Alongside Harsh Conditions
The wild winds on this day coincide with numerous of school staff, physicians and civil servants are engaged in what has been termed a "mega strike", calling for higher wages and enhanced employment terms.
Yet the intense climate has pressured them to change various scheduled activities, with some outdoor rallies moved indoors or abandoned.
Similar gusts are affecting Australia, ushering in a heatwave to the remote areas.
Authorities have declared flame prohibitions for apprehension regarding bushfires.
