Intense gales hitting speeds of up to 155km/h (96mph) have caused nearly 90,000 households without power and forced agencies to call off more than 100 flights, according to local media.
The gales are impacting the whole southern region and southern sections of the North Island, per the national weather agency.
New Zealand authorities have announced infrequent severe gust advisories - the most severe warning - in central regions including these major districts.
Residents have been encouraged to avoid going outside, stay off roads, and prepare for additional utility disruptions.
Extensive Impact and Emergency Measures
The power cut is primarily influencing homes predominantly in the southern region, while agencies report that the electricity supply was being restored progressively.
Domestic outlets have indicated that in some places structures have suffered roof damage, whereas power lines and trees have been knocked down by the gales.
Across Wellington, a man was fatally injured after being impacted by a wooden fragment at a well-known hiking path on earlier this week.
Also in the capital, a female was pushed toward approaching vehicles on a street by a intensive burst, in a event that was recorded in a viral dashcam video.
Flights in and out of the urban area have been halted as a result of the gusts, while some roads and libraries are not operating.
Simultaneously Canterbury officials have issued a emergency situation, to assist recovery activities.
Strike Action Amid Extreme Weather
The powerful gales on today occur while tens of thousands of educators, medical professionals and government employees are participating in what has been described as a "major walkout", calling for better pay and working conditions.
Yet the extreme weather has pressured them to change certain arrangements, with several external protests shifted to interior venues or cancelled.
Like conditions are also sweeping the nearby nation, bringing a heatwave to the country's outback.
Officials have declared fire bans for concern about forest fires.
