The wild weather is set to continue all Queen's Birthday weekend for the North Island.
Heavy rain and gales that hit Northland earlier have arrived in Auckland, as have thunderstorms.
Two people are trapped in a car in Wellsford in northern Auckland, following heavy rain in the upper North Island.
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Firefighters are now having to prioritise their call outs after becoming inundated with requests for flood-related help.
Auckland's eastern suburbs and Waiheke Island have been particularly affected.
Several motorists who were trying to drive their vehicles through heavy surface flooding in Pakuranga have found themselves stranded.
At least 20 homes have suffered water damage.
Labour MP Grant Robertson tweeted a shot from the Waiheke ferry terminal on Sunday afternoon.
Others on Twitter posted photos from other parts of the island.
Fire and Emergency said they have attended 50 callouts in Howick alone on Sunday.
The low in the weather is expected to move even closer over the next day bringing showers, rain and clouds through to Monday.
MetService has put out a heavy rain warning for the Auckland area, which will continue through until at least 6pm on Sunday.
WeatherWatch forecaster Philip Duncan said despite the sun rising, it seemed be to be getting darker as the morning went on.
Meanwhile, sunny and dry weather continues all weekend for the South Island, with brisk cool starts to the morning.
Newshub.
