Coronavirus: Grim record for New South Wales as 633 cases announced, three deaths

New South Wales has recorded 633 new community COVID-19 cases and three deaths as the Australian state's latest outbreak continues to balloon out of control.

NSW Health announced the figures in a press release on Wednesday and revealed 62 cases were active in the community while infectious. The source of infection for 475 cases is under investigation.

It brings the total number of cases in the state's outbreak to 9280.

NSW Premier Gladys Berejiklian warned locals "we haven't seen the worst of it" and urged people to stay home to help stop the spread of the virus.

"You cannot get the virus if you do not have contact with other people," she said.

"You have to assume, no matter where you are in the state, that every time you set foot out of your door, that you have the virus or anybody you're in contact with has the virus."

The three people who died overnight are a man in his 60s and two men in their 70s. Sixty people have died from the virus in the state in this outbreak.

Meanwhile in Victoria, 24 new cases were recorded, the same amount as Tuesday. Melbourne is in lockdown and has a curfew until September 2. The curfew lasts from 9pm to 5am each day and people in the city can't leave their homes except for limited reasons.

Of the 24 locally acquired cases, 20 are linked to known outbreaks and 18 have been in isolation for all of their infectious period, Victoria Health says.

Queensland also announced its COVID-19 numbers for Wednesday with no new cases in the community. On Tuesday, just one local case was announced.

Restrictions in Queensland are set to begin easing on August 20, Premier Annastacia Palaszczuk says, and rules on movement and gatherings will relax.