Intense gales attaining speeds of as high as 155km/h (96mph) have resulted in nearly 90,000 properties without power and compelled agencies to halt more than 100 aircraft departures, based on regional news sources.
The gales are influencing the whole southern region and lower areas of the northern region, according to the national weather agency.
New Zealand authorities have released infrequent severe gust advisories - the highest alert level - in central regions including these major districts.
People have been encouraged to remain inside, stay off roads, and prepare for further power and communication outages.
Widespread Impact and Crisis Measures
The electricity loss is primarily influencing households mainly in the southern region, although authorities state that the electricity supply was being gradually reinstated.
Regional news have reported that in certain areas structures have suffered roof damage, whereas utility poles and vegetation have been knocked down by the winds.
Within the capital, a person was killed after being hit by a tree branch at a popular trail walking spot on earlier this week.
Also in the capital, a female was blown onto oncoming traffic on a thoroughfare by a strong gust of wind, in a event that was captured in a viral dashcam video.
Air travel to and from the urban area have been halted as a result of the gusts, and various routes and public facilities are also closed.
Simultaneously authorities in Canterbury have issued a state of emergency, to facilitate recovery activities.
Strike Action Amid Harsh Weather
The powerful gales on today occur while numerous of educators, medical professionals and government employees are engaged in what has been termed a "major walkout", calling for higher wages and enhanced employment terms.
Yet the severe conditions has pressured them to change certain arrangements, with several external protests moved indoors or called off.
Similar gusts are impacting the neighboring country, ushering in a period of extreme heat to the remote areas.
Authorities have announced fire bans for concern about forest fires.