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Long Island weather: Slight chance of rain, flooding over weekend

As the Memorial Day weekend gets underway, ten-year-old

As the Memorial Day weekend gets underway, ten-year-old Daniella Cefalo, of Hauppauge, does cartwheels as her family sets up on the beach for a preview of the Bethpage Air Show on Friday, May 26, 2017. Credit: Newsday / John Paraskevas

Forecasters say a few isolated showers aren’t out of the question for Friday afternoon as Long Islanders prepare for Memorial Day weekend.

That’s coupled with a high risk of rip currents along southwestern Suffolk’s Atlantic beaches through 9 p.m. Friday, according to the National Weather Service. Beachgoers are advised to swim near a lifeguard. If caught in a rip current, beachgoers should swim parallel to the shoreline to escape it.

For Saturday, a coastal flood advisory is in effect for Nassau County’s South Shore back bays from 8 p.m. to 1 a.m., and a coastal flood statement is in effect for Suffolk’s South Shore bays from 8 p.m. until 1 a.m. Saturday.

There also could be localized minor coastal flooding along the North Shore of Nassau and northwestern Suffolk from 11 p.m. Friday to 1 a.m. Saturday, according to the weather service.

After Friday’s chance of showers, there will be a slight chance of rain on Saturday afternoon, with “the next best chance Sunday night into Monday,” said Jay Engle, a weather service meteorologist based in Upton.

Skies Saturday are forecast to be partly sunny, with high temperatures in the upper 60s.

“Sun and clouds, at times more clouds than sunshine,” said Rich Hoffman, News 12 Long Island meteorologist.

Looking at conditions for Saturday afternoon’s Bethpage Air Show at Jones Beach, cloud coverage was expected to be 60 to 70 percent at 8,000 feet by around 1 p.m. Saturday, with some scattered clouds at 3,000 feet, said Joe Pollina, weather service meteorologist in Upton. That was as of late Friday afternoon’s forecast, which could shift with further updates.

Similar conditions are in the forecast for Sunday, he said, but it was too early to make specific cloud cover calls.

Temperatures Sunday are looking to rise to the high 60s.

As for Monday, look for mostly cloudy skies “with on-and-off showers” and the chance of thunderstorms, Hoffman said. Highs in the low to mid 70s can be expected.

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