The hurricane will weaken as it moves over cooler water, and is expected to be downgraded from hurricane to tropical storm status before making the transition to post-tropical storm on Sunday.
The potential track could have her follow hot on the heels of Helene.
A tree fell on the house, killing the baby and mom, the New York Times reported.
Florence blew ashore early Friday in North Carolina with 90 miles per hour winds, buckling buildings, deluging entire communities and knocking out power to more than 900,000 homes and businesses as it crawled inland and weakened into a still-lethal tropical storm.
WIND: Tropical storm conditions are expected on Martinique, Dominica, and Guadeloupe by tonight or early Thursday.
As 400-mile-wide Florence pounded away at the coast with torrential downpours and surging seas, rescue crews used boats to reach scores of people besieged by rising waters along a river. Also, one person was killed while plugging in a generator, and a man was knocked to the ground while outside and died, authorities said.More news: Search-and-rescue team from Maryland heads to SC before storm
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Hurricane Florence, now a Category 2 storm, is slowly approaching the US coast, and the storm's massive fury is on full display in video footage taken from the International Space Station.
The National Weather Service says more than 10 million residents in three states are under a storm watch or warning because of Hurricane Florence. The storm is packing top winds of 70 miles per hour while tracking to the west at 17 miles per hour. Regardless of development, rain chances remain in the forecast through the weekend.
Marco Petagna, a Met Office forecaster, said: "Storm Helene is still in the Atlantic but it could have an influence in Britain next week". If the rain bands persist, the National Weather Service may raise the flash flood watch to a flash flood warning triggering the emergency alert system.
Heavy rain and gales are predicted in western regions of England, Ireland, Scotland and Wales.
Cyclones "are going to be far stronger, more violent and destructive, and we expect more rain as well", said Bocrie.
"WE ARE COMING TO GET YOU", the city tweeted during the height of the storm.