ISLIP, N.Y. (CBSNewYork) — An advisory against swimming has been issued for 66 beaches in Suffolk County because of the potential for bacteria from runoff following heavy rain and flooding.

The Suffolk County health department says the advisory is in effect until 7 p.m. Thursday and includes beaches in Babylon, Brookhaven, Huntington, Islip and Smithtown.

Copiague Harbor Beach and John Schiff Scout Reservation beach are also closed to swimming due to elevated bacteria levels, the health department said.

Parts of Long Island received more than 13 inches of rain from midnight to 9:30 a.m. Wednesday.

For a full list of beaches included in the advisory, click here or call the Suffolk County Bathing Beach hotline at 631-852-5822.

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