By 3 News online staff
A waterspout has been seen moving across Auckland Harbour this afternoon, alarming onlookers and sparking a warning for boaties.
The waterspout was seen near the Auckland Harbour Bridge.
The National Weather Service defines a waterspout as a tornado over water.
WeatherWatch is warning boaties to avoid the harbour.
The waterspout has the potential to flip yachts and small boats, according to WeatherWatch.
Watch footage of the waterspout, shot by Jamie Kenward from Country 99.
3 News