A nor'easter is pummeling New Jersey and the New York City area, drenching roadways with up to 4 inches of rain.

       Flash flooding was reported early Tuesday in the Metuchen, New Jersey, area, prompting a flash flood warning. Water rescues were reported in New Jersey from Union Beach to Middletown.

       MORE: Floodwater safety tips

       The governors of New York and New Jersey declared states of emergency.

       Michael M. Santiago/Getty Images

       People stand under a tent at a COVID-19 testing station during a autumn Nor'easter on Oct. 26, 2021 in the Brooklyn, N.Y.

       The bulk of the heaviest rain and flooding will shift Tuesday to Long Island and Connecticut.

       Flood and wind alerts have been issued from North Carolina to Maine.

       MORE: 4-year-old girl among 5 killed in Alabama, Tennessee flooding

       The nor’easter is expected to sit off the coast all day Tuesday and strengthen, blowing gusty winds to the coastline, including in major cities like New York City and Boston.

       ABC News

       Forecast for the first nor'easter of the season on the night of Oct. 26, 2021.

       Damaging winds gusting to 40 to 60 mph are possible Tuesday night in the Northeast.