Nearly 2.4 million homes and businesses had no power in the Northeast and Midwest early on Saturday.
Over 4,000 flights were cancelled in the USA on Friday, according to FlightAware.
About 180,000 Pennsylvania customers and 140,000 Virginia customers were without power.
Along the coast, MA was hit harder than Rhode Island because of the wind blowing in from the northeast, finding an easy target in Massachusetts' eastern coastline. The landslide has so far plowed through his fence, yard and deck and crushed the 70-year-old home's back wall. Quincy police warned drivers on Twitter not to try and drive down flooded streets. In Duxbury, south of Boston, officials urged residents to evacuate as soon as possible, and the fire department was preparing to use a high water rescue vehicle for the first time to help any residents who wind up stuck in homes during high floodwaters.
Power poles knocked down onto Arsenal Street in Watertown, Massachusetts, yesterday.
On the ground, highways across the Northeast were clogged with tractor trailers and buses, which were prohibited from crossing some of the region's massive bridges due to the treacherous winds.
Flightaware.com was reporting more than 2,000 cancellations late Friday morning. An American Airlines spokesman says the company has canceled 18 percent of its flights in the Northeast, with Boston's Logan Airport and Reagan Washington National Airport the hardest hit.
The storm, which could last the weekend, will likely bring a record mix of rain, snow, storm surge, and wind gusts up to 50 miles per hour - causing some to dub it "windmageddon".
According to ABC News, the "major day" for the nor'easter is Friday, when heavy snow is expected to accumulate throughout the interior Northeast while torrential rains pound the coast. Some roads were blocked by downed trees.
The heavy winds are expected to batter the coasts and inland mountain regions, knocking down trees and power lines. Four children were trapped inside.
More than 700,000 homes and businesses were without power across the region, with the largest number of outages in NY, utilities said. Areas south of the city were under 20 inches (50 centimeters) or more.
"A more rapid intensification may turn rain over to snow in higher terrain of NE NJ, the lower Hudson Valley and interior SW CT quicker", the report said.
'It could be that the first high tide washes away dunes from one beach and the second washes away houses, Besse said.
That "bomb cyclone" created a record high tide of 15.16 feet - besting the tides of the Blizzard of '78 and sending heavy, car-swamping floods through the North End and Seaport - and today's storm is expected to create even higher tides.
Storm surges of 2 to 3 feet will combine with high tides for Long Island.
High winds gusting up to 60mph (97kph) could also bring extensive power outages. Trump flew to Charlotte, North Carolina, to attend the funeral of the Rev. Billy Graham. He was scheduled to leave out of Dulles midmorning. The state of MA has seen more than 100,000 power outages, with authorities warning that additional power cuts are likely.
Coastal flood watches and warnings were put in place by the National Weather Service from North Carolina to southern ME, including New York's eastern suburbs. Areas west of Cleveland reportedly received less than an inch. Motorists have also become stranded along the East Coast, and federal government offices in Washington DC have been closed.
High winds downed a tree onto power lines, blocking the street and damaging a vehicle March 2, 2018 in Takoma Park, Md.
Some pre-emptive cancellations were already being reported for Saturday, with almost 160 flights already grounded at airports across the Northeast and New England.
"Since 10 a.m., Thursday until now, this storm has rapidly dropped in pressure, officially passing the definition of 24 millibars in 24 hours", CNN meteorologist Judson Jones said Friday morning.
The powerful storm took a toll on all sorts of travelers. Although we are not expecting widespread additional wind damage, some weakened trees or branches could still be at risk. Some flights have already been canceled at Philadelphia's airport. "Likely flooding will take place through three tide cycles from late Friday morning into Saturday afternoon".
Friday: Rain and wind.
Meanwhile, Massachusetts Gov. Charlie Baker declared a state of emergency Saturday, joining governors in Maryland and Virginia who had earlier made the declarations. As the high tide advanced in New England, authorities warned coastal residents to be ready to evacuate.