Police are hoping more people will say "yeah, nah'' to booze over the Easter break, when officers will be out in force to minimise alcohol-fuelled harm.

As part of Operation Unite, a joint venture with Australian police, the force is encouraging people to re-think how they host gatherings at home, how much they are drinking and their behaviour while and after drinking.

Prevention national manager Superintendent Bruce Bird, said it's time for a shift in the way we drink and attitudes towards how much we drink.

"Risky drinking, drinking excessively and driving when drunk can all lead to serious consequences. When situations get out of control, police too often have to deal with the result, which is violent crime, antisocial behaviour or the aftermath of a car crash.''

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Among the safety messages police want people to remember is: "It's okay to say yeah, nah'' to alcohol.