Members of a South Asian Flag Football League play in...

Members of a South Asian Flag Football League play in the pouring rain at Eisenhower Park in East Meadow on Nov. 1, 2014. Credit: Newsday / J. Conrad Williams Jr.

Long Islanders should brace themselves for a weekend of rain, high winds and raw fall temperatures, according to the National Weather Service.

A system coming in off the Chesapeake Bay began bringing light rain in the pre-dawn hours, along with winds of about 30 mph, said meteorologist Tim Morrin of the service's Upton office.

The rain will continue on and off Saturday morning but will strengthen in the early afternoon hours and continue through the overnight hours, with winds of up to 35 mph and temperatures in the mid to upper 40s, Morrin said.

"It's going to be a damp, raw day," he said.

The forecast, Morrin said, calls for totals of about a third of an inch of rain in western Nassau and an inch of rain in eastern Suffolk County.

Sunday's forecast calls for clear skies, with rain tapering off before daybreak, but the outlook is still more trick than treat.

Temperatures will hover in the mid 40s while winds will strengthen over Long Island, averaging 30 to 40 mph, with gusts reaching up to 50 mph, Morrin said.

The weather service has issued a wind advisory for Suffolk County beginning at 2 p.m. and continuing through 5 p.m. on Sunday. The advisory indicates a risk of tree branches and limbs falling on power lines, potentially causing scattered outages.

The weather service has also issued a coastal flood advisory for high tides in northern Nassau County from 4 to 8 p.m. on Saturday.

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