Crab Meadow Beach in Northport, seen in a 2010 photo,...

Crab Meadow Beach in Northport, seen in a 2010 photo, is one of the 63 beaches affected by a no swimming and bathing alert issued on Tuesday, June 2, 2015 by Suffolk County because levels of bacteria may have risen. Credit: James Carbone

The Nassau County Department of Health said Wednesday that it has lifted its advisory against swimming at four North Shore beaches.

On Monday, as a "precautionary measure," officials advised swimmers to stay out of waters at Lattingtown's Creek Club, Laurel Hollow Beach, North Hempstead Beach Park in Port Washington and Piping Rock Beach Club in Locust Valley.

The advisory was issued because storm-water runoff from heavy rainfall can elevate bacteria levels above New York State standards, health officials said.

An advisory was issued Tuesday by Suffolk County against swimming and bathing at 63 beaches because levels of bacteria may have risen due to this week's heavy rain.

Suffolk health officials suggested not even touching the water until the rain had stopped and at least 24 hours had passed.

The Suffolk advisory is expected to be lifted this morning unless elevated levels of bacteria are found in water samples, health officials said.

For recorded information on beach closings and openings in Nassau, call 516-227-9700. Health representatives are available weekdays from 9 a.m. to 4:45 p.m. at 516-227-9717.

On the latest episode of "Sarra Sounds Off," Newsday's Gregg Sarra and Matt Lindsay take a look top boys and girls basketball players on Long Island. Credit: Newsday

Sarra Sounds Off, Ep. 15: LI's top basketball players On the latest episode of "Sarra Sounds Off," Newsday's Gregg Sarra and Matt Lindsay take a look top boys and girls basketball players on Long Island.

On the latest episode of "Sarra Sounds Off," Newsday's Gregg Sarra and Matt Lindsay take a look top boys and girls basketball players on Long Island. Credit: Newsday

Sarra Sounds Off, Ep. 15: LI's top basketball players On the latest episode of "Sarra Sounds Off," Newsday's Gregg Sarra and Matt Lindsay take a look top boys and girls basketball players on Long Island.

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