Flooded Peconic Riverfront on March 4. File photo: Peter Blasl

Potentially heavy rain and strong winds are expected tonight into tomorrow morning as a coastal storm bears down on the local region.

Rain could be heavy at times tonight with 1 to 2 inches of new precipitation possible.

A coastal flood advisory is in effect from midnight tonight to 7 a.m. tomorrow, with up to 1 1/2 feet of inundation above ground level near the waterfront and shoreline expected at times of high tide Tuesday morning, the National Weather Service said.

A wind advisory is in effect for Suffolk County from 8 p.m. tomorrow until 11 a.m. Wednesday. Northwest winds of 20 to 30 mph with gusts up to 50 mph are expected, the National Weather Service said.

Potential peak wind gusts may cause tree limbs to break, which can pull down wires, causing outages, PSEG-LI said in an advisory this afternoon.

Report any power outages and receive status updates by texting OUT to PSEGLI (773454).

PSEG-LI reminds residents to always consider all downed wires “live.” Stay away from them, and do not drive over or stand near them. It is best to maintain a distance of at least 30 feet from a downed power line, PSEG said. To report a downed wire, call PSEG Long Island’s 24-hour electric service number at 800-490-0075 or call 911.

A small craft advisory is in effect for local waters, including the Long Island Sound and the Peconic bays.

Winter storm warnings have been issued for the Lower Hudson Valley and northeast New Jersey, where 5 to 10 inches of snow are forecast tonight through late tomorrow, according to the weather service.

Look for rain to mix with snow tomorrow morning and then change over to all rain again from about 11 a.m. through 5 p.m., returning to a mix of rain and snow after 5 p.m, according to the weather service forecast. Precipitation may turn to all snow tomorrow night, as temperatures fall to around 32 degrees. Strong winds will produce wind chill values of 20 to 25 degrees.

On Wednesday, expect partly sunny skies, with a high near 43 and northwest winds at around 26 mph, with gusts as high as 44 mph.

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