Authorities have highlighted 'no go' zones including on Sydney's outskirts and in southeast NSW as the state braces for dangerous fire conditions and the likely loss of more homes.
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After eight deaths already this week, severe and extreme conditions again loom over the state and towns such as Nowra and Narooma fall directly into the line of fire.
"This state of readiness for NSW can't be matched anywhere," Rural Fire Service Deputy Commissioner Rob Rogers told reporters on Friday.
"We are as ready as we can be."
An eighth death this week was confirmed on Friday after police found a missing 72-year-old man's body inside a car by a road at Belowra in the state's south.
At least 449 homes have been lost since Tuesday and more are "unfortunately very likely" to be lost on Saturday, Mr Rogers said.
"But we will be very happy and call it a success if there are no lives lost," he said, suggesting that beaches, already-burnt areas, cities and large towns were safe places.
A statewide total fire ban will remain in place on Saturday, as will the state of emergency - which is the third declared in as many months.
Extreme fire danger is predicted from six fire districts in NSW's southeast, as well as the ACT.
Sydney, the Hunter and the central ranges are forecast to experience severe conditions.
On Friday, an emergency warning was in place for the 130,000-hectare Dunns Road fire, which was expected to impact the 1300-strong town of Batlow.
A man was arrested for allegedly looting there on Thursday after fire authorities said the town would not be defendable.
The mass exodus from the southeast continued on Friday, with some fuel restrictions in place.
Caltex said it had moved "significant supply" to areas along major transport routes - including Nowra, Bomaderry, Adaminaby, Bombala, Cooma and Canberra - to assist evacuees.
The southern NSW town of Eden will remain clear of danger from existing fires, but towns close to the Victorian border such as Timbillica are under major threat.
More than 130 fires are burning across NSW, with almost 70 uncontained and more than 2000 firefighters in the field.
Disaster relief payments are available for some residents.
Prime Minister Scott Morrison, who faced some angry victims while visiting bushfire-ravaged Cobargo, defended his government's response to the crisis.
Police said they are investigating "all aspects" of the south coast fires, including the eight deaths and the cause of the blazes. Mr Rogers previously said the majority of fires were sparked by lightning.
In Sydney, the Royal National Park will be closed from Saturday until further notice, as will Heathcote National Park and other western Sydney parklands.
NSW HOTSPOTS TO AVOID
* the Shoalhaven from Burrill Lake to Nowra
* Batemans Bay to the Victorian border
* the Snowy Valley areas including Tarcutta, Batlow and Tumbarumba
* the Snowy Monaro area including Adaminaby to Cooma, Jindabyne and Perisher
* around Sydney's fringes, including near Green Wattle Fire at Mittagong and west of Penrith where the Grose Valley fire is still burning uncontrolled
Australian Associated Press