A 62-year-old woman has died after being found in waters off Werribee South this afternoon.
Police believe the woman and a 60-year-old man, both from St Albans, were out in a small boat just after 2.45pm when it overturned.
A vessel rescued the man and woman and brought them to shore.
Paramedics attempted to revive the woman, but she died at the scene. The man was uninjured.
Police will prepare a report for the coroner.
Anyone who witnessed the incident or with information is urged to call Crime Stoppers on 1800 333 000 or visit www.crimestoppersvic.com.au