The fines came after Tuggerah Lakes Police responded to reports of a house party on Norberta Avenue, The Entrance about 9.40pm Friday.

On arrival, police said they spoke with six people - aged between 17 and 22 - who were drinking and celebrating an 18^th birthday in breach of the public health orders.

A 17-year-old girl was issued a warning under the Young Offenders Act, while the other five people were issued $1000 penalty infringement notices (PINs).

State Emergency Operations Controller, Deputy Commissioner Gary Worboys, said the behaviour was "disrespectful".

"Disappointingly, we did see some concerning incidents of people flouting the rules - including a gathering at a home at Randwick and a birthday party at The Entrance," he said.

"This type of behaviour is nothing short of disrespectful - we've already seen how easily the virus spread following the unlawful party at Waterloo."

High-visibility police operations are continuing across NSW to ensure compliance with current restrictions under the Public Health Act.

In total, 167 PINs were issued on Friday, with 76 of those being $200 infringements for failing to wear a fitted face covering.

A further ten people were charged with failing to comply with Public Health Orders. All of those charges were associated with other criminal offences, police said.

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