The South Carolina Department of Public Safety said they will begin to close the reverted routes on I-26 at 6 p.m. Thursday.
About 10 million people live in the path of the slow-moving storm and more than 1 million had been ordered to evacuate the coasts of the Carolinas and Virginia, jamming westbound roads and highways for miles.
"We're a little anxious about the storm surge so we came down to see what the river is doing now", said Linda Smith, 67, a retired non-profit director.
Service Storm Surge Watch/Warning Graphic, available at hurricanes.gov.
Tropical storm Florence lumbered inland on Saturday, knocking down trees, flooding rivers, and dumping sheets of rain in the Carolinas where five people have died. Some roads were already impassable in the Outer Banks of North Carolina.
Roy Cooper warned residents to not let their guard down ahead of Hurricane Florence's landfall later this week.
"We're still going to have a Category 4 storm surge". "Our meteorologists are saying that the rainfall amounts will be devastating in certain areas", he said. "A watch is typically issued 48 hours before the anticipated first occurrence of tropical-storm-force winds, conditions that make outside preparations hard or unsafe". President Donald Trump declared a state of emergency on the federal level Tuesday for the Carolinas and Virginia. According to forecasters, the center of Florence is expected to hit North Carolina's southern coast Friday, then drift southwest before moving inland on Saturday.
NOAA also has a collection of live feeds, which include Buxton in North Carolina, and Cherry Beach and Folly Beach in SC.
A tornado watch was also in effect for parts of North Carolina.
Search-and-rescue team from Maryland heads to SC before storm
Glenn McNeill with the North Carolina State Highway Patrol said troopers are on standby statewide to assist where needed. Experts predict that the storm could bring rainfall up to 40 inches and up to 13 feet of floodwater in some areas.
Rain intensity will pick up, as will wind speed and the storm surge is expected to reach up to 13 feet in some areas.
The full impact of the storm surge on the coast will depend on whether the storm's arrival coincides with high tide.
Antonio Ramirez, a construction worker from El Salvador living in Leland, North Carolina, said he planned to ride out the storm with his dog Canelo.
According to NHC: "A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours".
As of 11am local time, Florence was centred about 145 miles south east of Wilmington and its forward movement slowed to 10mph.
Torrential rains brought about significant flooding in some areas, with the rains expected to continue over Oahu through Thursday. He also said power could be out for a long time and suggested residents think now about what they will need power for.
Florence was one of two major storms threatening millions of people on opposite sides of the world. "With the storm expected to linger, power restoration work could take weeks instead of days".
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