The NSW Premier has announced the state recorded 356 new cases of COVID-19, of which at least one third were infectious within the community.

Of the 356 cases recorded, 13 were in the Hunter region with ten in Newcastle and three in Lake Macquarie. 12 of the 13 were infectious within the community.

Three of the cases recorded locally are currently under investigation as health authorities try to piece together how they caught the virus.

The new cases follow the announcement from NSW Health overnight of more close contact COVID exposure sites at Wests New Lambton, Subway at Warners Bay, Air Locker Training at Kotara, and the 269 bus route from Teralba to Warners Bay.

Other new casual contact venues include Big W at Charlestown, Coles at Warners Bay, Aldi at Newcastle West, Newcastle Basketball Stadium, McDonalds at Charlestown Square and Coles at Medowie.

Shortland Public School announced via Facebook overnight it would be closed for deep cleaning and contract tracing on Tuesday after a member of the community tested positive to Coronavirus.

For the full list of dates and times for any of the venues of concern, head to the NSW Health website.