Essex Police are appealing for help to identify a man in connection with the incident last month.
Officers were called to reports a woman was threatened with violence by a man while walking in Marine Parade East at around 4.45pm on 31st January.
The suspect reportedly continued to follow the victim before pushing and shouting at her.
He then walked away from the scene.
He is described a being aged in his late 20s to early 30s, five foot 10 inches tall, and wearing beige trousers with a padded brown coat.
If anyone can help, get in touch with police on 101 quoting crime reference 42/17266/20.