A high-visibility policing operation will be in place on December 31 and January 1 to ensure the safety of large crowds expected at events across the state.

Locally, it will involve general duties police, as well as licensing and proactive police units.

Read also: Big bang could lead to a big fine this New Year's Eve

The Hume Police District Commander, Superintendent Chris Schilt, said police will be out and about across the community focusing on public safety, alcohol-related crime and anti-social behaviour.

"NSW Police want everyone to have a memorable New Year's Eve for the right reasons, so celebrate responsibly, drink in moderation and look after your mates," Supt Schilt said.

"Police will not tolerate dangerous, criminal or anti-social behaviour, so anyone caught putting other people's lives at risk, or spoiling the fun for others, will be dealt with swiftly.

"We strongly advise the community to plan ahead how you are getting to and from your selected celebrations - whether it be public transport, pre-arranged transport or organising a designated driver."

Hot weather is expected over the next few days, and police are urging revellers to keep informed on the conditions, look after their health and remember the four key messages to keep healthy in the heat:

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