Police have charged a 21-year-old woman over a road rage incident on the NSW Central Coast.

The charges come after footage was shared widely on social media showing a man leave his car and approach a woman before punching her in the face.

Police say two cars were travelling along the Pacific Highway in Lake Munmorah on Monday when they stopped at an intersection.

An argument then broke out between the woman and man.

On Thursday, the woman attended Wyong Police Station where police laid a raft of charges including malicious damage, being armed with intent to commit an indictable offence, intentionally throwing an object at a vehicle and having part of her body outside the car window.

The 41-year-old man was on Wednesday charged with assault occasioning actual bodily harm.

The woman was granted conditional bail to appear at Wyong Local Court on September 6.