National Hurricane Center says Hurricane Matthew has made landfall in South Carolina

Storm to move into South Carolina Saturday morning

(CNN) – Hurricane Matthew made landfall late Saturday morning southeast of McClellanville, South Carolina, between Charleston and Myrtle Beach, the National Hurricane Center said.

Hurricane Matthew is a Category 1 storm, with maximum sustained winds at 85 mph, according to the National Hurricane Center.

The northern eyewall continues to bring hurricane force winds to the South Carolina coast, and will move northeast along the coast at 12 mph.

Hurricane Matthew's dangerous eyewall was battering South Carolina's southern shores Saturday morning, as the Category 2 storm pushed -- or was poised to push -- dangerous amounts of seawater and rain along the coast of that state as well as Georgia and North Carolina.

Matthew, a storm that left destruction and killed hundreds in the Caribbean and at least four people in Florida, continued its trek up the southeastern US coast with 105 mph winds at the center.

In Charleston, the coastal South Carolina city devastated by storm surges from 1989's Hurricane Hugo, driving rain fell early Saturday as Matthew's powerful center moved close.

High tide later Saturday could push water "well into the city," CNN meteorologist Chad Myers said.

Flooding is a big concern from coastal Georgia through the eastern Carolinas. Storm surges could be life-threatening in areas, potentially reaching 6 to 9 feet from south of Savannah, Georgia, up through Edisto Beach, South Carolina, according to the National Hurricane Center.

Up to 15 inches of rain are possible near and east of Interstate 95 in South Carolina and North Carolina -- and that would be "a flash-flood event on (even) a normal day," Myers said.

The storm has killed at least 300 people in three Caribbean countries. The majority died in Haiti, said Civil Protection Service spokesman Joseph Edgard Celestin.

As of 8 a.m. ET, Matthew's center was still offshore, even though the outer eyewall was hitting land. The center was about 20 miles south-southeast of Charleston, the Hurricane Center said. Hurricane-force winds extended outward up to 45 miles from that center. The storm was moving northeast at 12 mph as a Category 2 hurricane.

More than 1.3 million customers were reported without power Saturday morning in Florida, Georgia and South Carolina.

Flooding plagued near-coastal communities in Georgia and South Carolina on Saturday morning. Flash flood warnings were issued in several locations across the states, including near the state line and the Summerville area near Charleston.

South Carolina Gov. Nikki Haley warned residents who didn't evacuate to go to a shelter. A major storm surge of 8 feet or more is approaching low-lying areas in the state, including Charleston.

Although 310,000 people have evacuated the area, Haley said that's not enough. Officials in some areas are going door-to-door, urging people to leave. Police in Pawleys Island asked residents who decided to stay in spite of the evacuation orders to sign a waiver and list their next of kin, according to CNN affiliate WBTW.

In Georgia, more than 241,000 Georgia Power customers were reported without electricity.

Glynn County officials wrote on Facebook that "conditions have deteriorated to a point that persons remaining in (the area near Brunswick) are advised to shelter in place for the remainder of the storm."

Gov. Nathan Deal had ordered evacuations for all counties east of Interstate 95. Deal activated 2,000 National Guard troops.

In Savannah, Mayor Eddie DeLoach warned those who stayed that they'd be on their own.

North Carolina Gov. Pat McCrory warned people in his state to take the storm seriously.

"The immediate concern is life-threatening rain and water (from storm surge)," he said.

Officials are concerned that areas -- such as Fayetteville, home to the Army's Fort Bragg -- that were recently flooded will see more rain from Matthew.

Matthew battered the coast of east-central and northeastern Florida on Saturday, leaving four people dead and swaths of damage.

The dead included a woman in her 60s in Volusia County who was killed by a falling tree and an 82-year-old man and a woman in St. Lucie County, officials said. The latter two had medical emergencies and responders were unable to reach them in time because of hazardous weather.

A woman in northeast Florida died after a tree fell on her camper trailer, the Putnam County Sheriff's Office said.

Matthew left more than 1 million people without power in Florida alone. Water from the storm rushed through streets, making roadways look more like rivers, in parts of Jacksonville, Merritt Island, Fleming Island and other Florida communities.

Florida struggled with the rising water, rain and strong winds as meteorologists said the storm surge had been measured at more than 4 feet in some areas.

Jacksonville was not battered as heavily as initially feared. But several communities nearby received extensive damage with water surging down some streets, and massive trees toppled over. The Jacksonville Beach Pier washed away Friday morning, according to CNN affiliate WFOX/WJAX.

There was concern over Jacksonville's St. Johns River, which could be overwhelmed by water pushed into it by the storm. The hurricane center said a tide gauge reported storm surge of 4.28 feet.