Hazardous Weather Outlook Issued For Long Island

A coastal flood warning will be in effect Sunday for a large portion of the South Shore on Long Island as a low pressure system off the South Carolina coast tracks toward the region.

The flood warning starts at 9 a.m. and ends at 3 p.m. for southern Nassau County and southwestern Suffolk County.

"There is an elevated threat of property damage," the flood warning says. "Widespread flooding of vulnerable areas is expected near the waterfront and shoreline. Expect 1-3 feet of inundation above ground level in low lying, vulnerable areas. This will result in numerous road closures and cause widespread flooding of low lying property including parking lots, parks, lawns, and homes and businesses with basements near the waterfront."

The combination of elevated water levels and high surf along the ocean beachfront should also result in significant beach erosion and localized splashovers around the times of high tide, the National Weather Service says.

Flooding will also be possible on the North Shore, where a coastal flood advisory will be in effect from noon until 4 p.m. Sunday.

Rain is expected to move in late Sunday night and it will likely be falling much of the day Monday. Winds will the be strongest, with gusts of 30-35 mph along the coast, early Monday.

The full forecast:

Saturday Night- Partly cloudy, with a low around 25. Wind chill values between 20 and 25. Northeast wind 9 to 15 mph.

Sunday- Mostly cloudy, with a high near 45. Wind chill values between 20 and 30 early. Breezy, with a northeast wind 16 to 20 mph.

Sunday Night- Rain likely, mainly after 3am. Cloudy, with a low around 40. Breezy, with a north wind 20 to 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Monday- Rain likely. Cloudy, with a high near 46. Breezy, with a north wind 16 to 22 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

Monday Night- A 40 percent chance of rain. Mostly cloudy, with a low around 38. West wind 7 to 13 mph.

Tuesday- Partly sunny, with a high near 48.

Tuesday Night- Mostly cloudy, with a low around 38.

Wednesday- Partly sunny, with a high near 49.

Wednesday Night- Partly cloudy, with a low around 37.