Intense gusts attaining velocities of as high as 155km/h (96mph) have caused around 90,000 households experiencing outages and forced authorities to call off in excess of 100 flights, according to regional news sources.
The winds are influencing the entire South Island and southern sections of the North Island, as stated by the weather forecasting body.
New Zealand authorities have issued infrequent severe gust advisories - the most severe warning - in key areas such as these major districts.
People have been urged to stay indoors, stay off roads, and make arrangements for more utility disruptions.
Widespread Damage and Emergency Response
The electricity loss appears to be affecting homes predominantly in the southern region, while officials state that the electricity supply was being slowly brought back.
Regional news have stated that in some places structures have suffered roof damage, while power lines and trees have been knocked down by the gusts.
Across Wellington, a man was fatally injured after being hit by a wooden fragment at a well-known hiking path on Tuesday.
Also in the capital, a female was swept into oncoming traffic on a road by a intensive burst, in a incident that was captured in a viral dashcam video.
Flights entering and leaving the metropolis have been cancelled as a result of the weather, and various routes and public facilities are shut down.
Meanwhile Canterbury officials have issued a state of emergency, to assist disaster response efforts.
Strike Action Amid Severe Weather
These intense gusts on today come as numerous of school staff, physicians and civil servants are participating in what has been called a "mega strike", requesting higher wages and enhanced employment terms.
But the extreme weather has pressured them to modify certain arrangements, with several external protests moved indoors or cancelled.
Similar gusts are also sweeping the nearby nation, causing a period of extreme heat to the nation's interior regions.
Officials have declared fire bans for concern about wildfires.
