As heavy rains were expected to continue throughout the day, a flash flood watch was issued Wednesday for most of Northern New Jersey by the National Weather Service
The watch is in effect until 10 p.m. Wednesday.
A flash flood watch means that conditions may develop that lead to flash flooding, a very dangerous situation, according to the NWS.
There were reports that water was up to the front doors of houses in Monroe Township in Middlesex, and that people needed to be rescued using boats.
In New York City, a flood advisory in in effect for Westcheter County, Rockland County, Manhattan, Queens, Brooklyn, the Bronx, and Staten Island until 6 p.m.
For up to the minute weather advisories, stay with NBCNewYork.com.
Check back for more on this developing story.