TAMWORTH and surrounding local government area's lockdown fates will be decided this afternoon during a crisis cabinet meeting of government officials and announced tomorrow at 11am.

NSW Deputy Premier John Barilaro confirmed members of parliament will enter the crisis meeting at 2pm, which will run for several hours to decide the lockdown fate of regional NSW.

The information will then be announced on Thursday at the daily 11am press conference in Sydney, he said.

"We will go through the data and information, from cases to sewerage surveillance, from contact tracers to where we've got concerns and then we will make a decision on what will happen on Saturday for regional NSW," he said.

"We will be weighing all that up and measuring it against risk, and then the decision will be made on do we keep all of regional NSW locked or do we start lifting at local government area level.

"They're the decisions we will make this afternoon."

But, despite the deputy premier's uncertainty, Member for Bathurst Paul Toole who is part of the crisis committee told the Western Advocate on Wednesday it was "highly likely" the regions would remain under stay-at-home orders.

Realistically people are expecting another seven days of stay-at-home orders, he said.

"What we've actually seen is escalating numbers that have been occurring across the state," he added.

"You've got places like Dubbo with 128 cases, cases in Mudgee, Bourke, we've had exposure sites in Bathurst, Orange and Dubbo, we've had positive fragments detected in the sewage in Bathurst and Orange as well, so it does seem highly likely that we will be in for another seven-day period."

The crisis committee is made up of seven ministers, the NSW Deputy Premier, NSW Premier Gladys Berejiklian, NSW Treasurer Dominic Perrottet and ministers Stuart Ayres, Victor Dominello, Brad Hazzard and Paul Toole, Mr Barilaro said.

Decisions will also me made this afternoon on the NSW government's proposed travel permit system for workers travelling to regional NSW. The system is due to come into effect on Saturday.

Tamworth, along with the rest of regional NSW, was placed in a seven-day lockdown until 12:01am on Sunday, 22 August.

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ZERO cases of COVID-19 were recorded in Tamworth and Armidale on Wednesday but it was a dark day for NSW with a record 633 new locally acquired cases with 103,000 tests done.

NSW Premier Gladys Berejiklian said according to current data, every person who has the virus is spreading it to at least more than one person and the state is "yet to see the worst" of the outbreak.

"Now for us to know that we've reached our peak, that can't continue," she said.

"What the data is telling us in the last few days is we haven't seen the worst of this and the way we stop this is by everyone staying at home."

Of the new cases, 15 are from Hunter New England Local Health district, including 10 in Newcastle, two in Maitland and three in Lake Macquarie.

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Western NSW continues to remain a concern with 23 cases, including 17 in Dubbo, three in Wilcannia and a case in Bourke.

NSW Deputy Premier John Barilaro said there were also COVID cases in Mudgee, Narromine and Gilgandra.

"The message for everybody is to follow the stay at home orders, cut down mobility," he said.

"If we want to control what's occurring in regional and rural NSW so that we don't have the continued growth in numbers, and of course Western NSW is our focus, we need everybody in the regions to do the right thing.

"Our surveillance, our contact tracers and the work we're doing through sewerage surveillance and understanding how contagious the Delta strain is - really is putting regional and rural NSW on the knife edge."

Traces of the virus have been found in sewage at Orange, West Dubbo and Bathurst.