Powerful gusts hitting speeds of up to 155km/h (96mph) have caused approximately 90,000 households without power and forced officials to call off over 100 aircraft departures, based on local media.
These gusts are influencing the whole southern region and lower areas of the North Island, as stated by the weather forecasting body.
The nation's agencies have released uncommon high-level wind alerts - the highest alert level - in central regions encompassing these major districts.
Locals have been encouraged to remain inside, avoid travel, and get ready for additional power and communication outages.
Extensive Impact and Crisis Measures
The electricity loss is primarily influencing homes mostly in the South Island, though authorities state that power was being slowly brought back.
Local media have reported that in certain areas structures have suffered roof damage, while utility poles and vegetation have been knocked down by the gales.
Across Wellington, a individual was fatally injured after being hit by a tree branch at a popular trail walking spot on Tuesday.
Also in the capital, a woman was pushed toward moving cars on a street by a intensive burst, in a event that was captured in a widely shared car camera footage.
Air travel to and from the urban area have been halted as a result of the gusts, and certain highways and community centers are shut down.
At the same time local leaders have declared a crisis declaration, to support emergency management operations.
Work Stoppages Alongside Extreme Conditions
The wild winds on this day coincide with numerous of school staff, physicians and civil servants take part in what has been termed a "major walkout", calling for improved salaries and workplace environments.
However the extreme weather has forced them to change various scheduled activities, with several external protests relocated inside or called off.
Like conditions are impacting the neighboring country, causing a high-temperature event to the remote areas.
Officials have announced fire bans for fear of wildfires.
