The girl’s sister, Sameeha Sultana, 13, was found unresponsive about an hour later at 7th Avenue, a block north. Rescue crews and the U.S. Coast Guard pulled her out of the water, and CPR was performed. She was taken to Jersey Shore University Medical Center, where she was pronounced dead.

Beaches along the New Jersey coast and in Delaware were closed Tuesday as the powerful storm churned in the Atlantic. New York City announced its beaches would close on Wednesday and Thursday.

A coastal flood warning was issued by the National Weather Service in Mount Holly at 5:31 a.m. on Thursday, Aug. 21.

Huge breaking waves along the Jersey Shore, coupled with strong rip currents, will be very dangerous to anyone in the ocean, officials warn.

Jersey Shore officials are pleading with the public to avoid swimming in the ocean when no lifeguards are around, especially now with Hurricane Erin.