Crews pulled a 30-year-old man from the water near Narragansett Bay on Sunday evening and were searching for an 11-year-old girl, officials said.
Coast Guard crews recovered the man, who was unresponsive, at 6:52 p.m., according to Petty Officer Ryan Noel. The man was taken ashore and transferred to EMS.
The Coast Guard cutter Coho was brought in to continue the search overnight, while other Coast Guard crews plan to return at first light Monday, Noel said.
The search began Sunday afternoon after the Coast Guard was called about 3:15 p.m., Noel said.
Three people went into the water to assist the girl near a sand bar on the north side of Conimicut Point, near the entrance to the Providence River, Noel said.
Two were earlier rescued from the water, but their condition also was unknown, Noel said.
Warwick Fire Chief Peter McMichael urged swimmers to heed the cautions posted on signs in the area warning of fast-moving tides and strong undercurrents around the sand bar.
“You can see how fast the tide comes in,” McMichael told reporters at the scene, according to video posted online by NBC 10. “People walk out there and do not realize just how fast the tide can come in and sweep them away. The current is very, very strong here.”
Coast Guard crews from the Castle Hill station in Newport were still searching the waters Sunday night, while a Coast Guard helicopter searched the bay from above.
Several agencies were assisting in the search, Noel said, including police from Warwick, R.I., and Providence, as well as Rhode Island State Police. The Narragansett Bay Marine Task Force was also involved in the search.