Health department officials warn that storm water runoff into the Great South Bay often causes elevated bacteria levels.
The National Weather Service predicts heavy rain could cause flash flooding in the metropolitan area through Thursday night.
Beaches closed because of bacteria fears
LONG ISLAND
Closed until further notice are two beaches in Massapequa, the Biltmore Beach Club and Phillip Healy, as well as the Hewlett Point and Island Park beaches in the "Five Towns" area.
