A 39-year-old woman from Northern Tasmania who recently returned from Queensland breached the order by attending a family gathering on Saturday.

The breach was reported to police, who spoke to the woman and issued a fine after an investigation.

Separately, a 52-year-old Launceston woman who also recently returned from Queensland was fined after police received information that she attended a shopping complex without wearing a mask.

Neither woman had been in a high-risk premises while in Queensland, with the risk to others in the wider Tasmanian community low.

Tasmania Police Inspector John Toohey said police would continue to conduct targeted and random checks of those subjected to the order.

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"The changing COVID environment with the Delta strain has presented significant challenges in mainland states and we need to ensure the community complies with directions," he said.

"To date we have taken an educative approach which is still very important to continue to influence behaviours, but where a blatant act is identified in breach of a Public Health Direction, those disobeying the order should expect to be issued with a $778.50 fine."

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The stay at home order applies to anybody who has returned from one of 11 specified local government areas in Queensland on or after 17 July, but prior to 4pm July 31.

If away from home for one of the approved reasons, they must wear a mask.

This stay-at-home direction applies until 14 days after you left the high-risk LGA and you have a negative COVID-19 test result.

People should get your test at least 12 days after you left the high-risk LGA.

Anyone in Tasmania who has been in Cairns recently is asked to to check the exposure sites via the Tasmanian Coronavirus Travel Alert website www.coronavirus.tas.gov.au/travelalert.

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