Fog restrictions are in place at Auckland Airport early this morning with passengers being told to expect delays and cancellations.
Approximately 13 domestic regional flights have been cancelled and 13 domestic regional flights have been delayed, due to the fog.
In a statement, Auckland Airport said flights to Wellington, Christchurch, Dunedin and Queenstown had not been affected.
International flights have also not been affected.
Authorities at the terminal alerted passengers on Twitter that "delays and cancellations are expected".
Anyone due to travel in or out of Auckland is advised to check with their respective airline for more information and to keep checking the flight information section of the airport's website in case of any delays or cancellation notifications.
The MetService is forecasting morning fog for the City of Sails and then a few showers from this afternoon, turning into rain this evening.
Light winds are also forecast.
A temperature high of 17C is on the cards and an overnight low of 10C.
Motorists are being warned to expect hazardous driving conditions.