Motorists are navigating through patches of thick fog which has reduced visibility to just metres on parts of Auckland's highways and roads this morning.

With the temperature dropping to 5C and humidity reaching 99 per cent, the chilly conditions are causing areas in the west and north of the city to be shrouded in cloud.

Some stretches of the Northern Motorway heading into the city this morning are so thick it is difficult to see more than a car-length ahead. The worst-affected spot appears to be around Northcote Rd through to the Auckland Harbour Bridge.

Around 6am this morning, other badly affected areas appeared to be in the west travelling on the Upper Harbour Motorway.


By 7.30am the Causeway on SH16 was shrouded in fog but it appeared to clear soon after.

It is also affecting motorists heading to work using the Northern and Northwestern Motorways and stretches of suburban Auckland, through Avondale and Waterview.

At this stage the New Zealand Transport Agency has not issued warnings.

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