MIAMI BEACH, Fla. -

South Florida beachgoers are being warned to be careful in the ocean after a rip current advisory was extended.

The National Weather Service has extended the advisory through Tuesday for Miami-Dade, Broward and Palm Beach counties because of weather conditions.

Miami Beach Ocean Rescue operations supervisor Scott Reynolds said a dozen people had to be rescued Monday because of rip currents.

GET YOUR BEACH FORECAST

Fort Lauderdale Fire Rescue spokesman Timothy Heiser said 23 rescues have been made along Fort Lauderdale beaches since Friday.

Red flags along beaches warn swimmers about rough conditions. Anyone caught in a rip current should remain calm and swim parallel to shore until they can escape the current and swim back to the beach.