A boat sits atop the sand at Cedar Beach in...

A boat sits atop the sand at Cedar Beach in Mount Sinai on Sunday.

You should probably wrap up your outdoors weekend fun pretty soon.

A regional flood watch is in effect from Sunday afternoon through Monday night, with the possibility of multiple rounds of heavy rain and thunderstorms that could lead to flash flooding and some gusty winds, according to the National Weather Service.

The rainfall is going to start this evening on Long Island.

It will likely be heaviest in northeastern New Jersey and the Lower Hudson Valley, but could also be excessive on Long Island, especially on Monday.

Gregg Sarra sounds off on football quarterfinals, Michael Sicoli has a breakdown of the Long Island soccer playoffs and Jared Valluzzi has the plays of the week. Credit: Newsday

Sarra Sounds Off: Football and soccer playoffs, plus plays of the week Gregg Sarra sounds off on football quarterfinals, Michael Sicoli has a breakdown of the Long Island soccer playoffs and Jared Valluzzi has the plays of the week.

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