Due to Wednesday night’s heavy rainfall, the Suffolk County Department of Health Services has issued an advisory against bathing at 64 beaches until at least Friday because of the possibility that bacteria in excess of state standards will impact the areas.

The beaches covered by the advisory are located in areas that officials say are heavily influenced by storm water runoff and because their location in enclosed embayments experience limited tidal flushing.

The department recommends that bathing and other water contact be suspended in affected areas until the waters have been flushed by two successive tidal cycles — at least a 24-hour period — after the rain has ended.

The advisory will be lifted Friday at 5 a.m. unless water samples indicate that elevated levels of bacteria have persisted beyond the 24-hour period, officials said.

For the latest information on affected beaches, call bathing beach hotline at 631-852-5822, call the Department of Health Services’ Office of Ecology at 631-852-5760 during normal business hours, or visit Suffolk County Department of Health Services’ beach monitoring webpage.

Following is the list of beaches affected by the advisory:

  • Amityville Village Beach, Amityville
  • Tanner Park Beach, Copiague
  • Venetian Shores Beach, West Babylon
  • Sound Beach POA West, Sound Beach
  • Tides Beach, Sound Beach
  • Beech Road Beach (NSBA), Rocky Point
  • Friendship Drive Beach, Rocky Point
  • Shoreham Village Beach, Shoreham
  • Shoreham Beach, East Shoreham
  • Corey Beach, Blue Point
  • Shirley Beach, Shirley
  • Stony Brook Beach, Stony Brook
  • Shoreham Shore Club Beach, East Shoreham
  • Miller Place Park Beach, Miller Place
  • Patchogue Village Pool & Beach, Patchogue
  • Scotts Beach, Sound Beach
  • Woodhull Landing POA Beach, Miller Place
  • Bayberry Cove Beach, Setauket-East Setauket
  • Bayview Beach, Setauket-East Setauket
  • Grantland Beach, Setauket-East Setauket
  • Indian Field Beach, Setauket-East Setauket
  • Little Bay Beach, Setauket-East Setauket
  • Soundview Beach Association Beach, Old Field
  • Terraces on the Sound, Rocky Point
  • Havens Beach, Sag Harbor
  • Eagle Dock Community Beach, Cold Spring Harbor
  • Cold Spring Harbor Beach Club Beach, Lloyd Harbor
  • West Neck Beach, Lloyd Harbor
  • Lloyd Neck Bath Club Beach, Lloyd Harbor
  • Lloyd Harbor Village Park Beach, Lloyd Harbor
  • Gold Star Battalion Park Beach, Huntington
  • Head of the Bay Club Beach, Huntington Bay
  • Nathan Hale Beach Club Beach, Huntington Bay
  • Baycrest Association Beach, Huntington Bay
  • Bay Hills Beach Association, Huntington Bay
  • Crescent Beach, Huntington Bay
  • Knollwood Beach Association Beach, Huntington
  • Fleets Cove Beach, Huntington
  • Centerport Beach, Centerport
  • Huntington Beach Community Association Beach, Centerport
  • Centerport Yacht Club Beach, Centerport
  • Steers Beach, Northport
  • Asharoken Beach, Asharoken
  • Hobart Beach, Northport
  • Hobart Beach, Eatons Neck
  • Crab Meadow Beach, Northport
  • Wincoma Association Beach, Huntington Bay
  • Valley Grove Beach, Eatons Neck
  • Prices Bend Beach, Eatons Neck
  • West Islip Beach, West Islip
  • Benjamins Beach, Bay Shore
  • Islip Beach, Islip
  • East Islip Beach, East Islip
  • West Oaks Recreation Club Beach, West Sayville
  • Brightwaters Village Beach, Brightwaters
  • Bayport Beach, Bayport
  • Sayville Marina Park Beach, Sayville
  • Lake Ronkonkoma — Islip Town Beach, Ronkonkoma
  • Bayberry Beach & Tennis Club Beach, Islip
  • Callahans Beach, Northport
  • Short Beach, Nissequogue
  • Nissequogue Point Beach, Nissequogue
  • Long Beach, Nissequogue
  • Schubert Beach, Nissequogue
It seems shark sightings are dominating headlines on Long Island and researchers are on a quest to find out why more sharks are showing up in Long Island waters. NewsdayTV meteorologist Rich Von Ohlen discusses how to stay safe.  Credit: Newsday/A. J. Singh; Gary Licker

'Beneath the Surface': A look at the rise in shark sightings off LI shores It seems shark sightings are dominating headlines on Long Island and researchers are on a quest to find out why more sharks are showing up in Long Island waters. NewsdayTV meteorologist Rich Von Ohlen discusses how to stay safe. 

It seems shark sightings are dominating headlines on Long Island and researchers are on a quest to find out why more sharks are showing up in Long Island waters. NewsdayTV meteorologist Rich Von Ohlen discusses how to stay safe.  Credit: Newsday/A. J. Singh; Gary Licker

'Beneath the Surface': A look at the rise in shark sightings off LI shores It seems shark sightings are dominating headlines on Long Island and researchers are on a quest to find out why more sharks are showing up in Long Island waters. NewsdayTV meteorologist Rich Von Ohlen discusses how to stay safe. 

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