Schools, colleges and government offices remained closed Tuesday as hurricane watches and warnings were issued for Hurricane Dorian along the Carolina coasts.

In South Carolina, Gov. Henry McMaster ordered the evacuation of the state's entire coast, impacting more than 800,000 people.

McMaster declared a state of emergency for South Carolina on Saturday, following a similar declaration by the governor of North Carolina on Friday.

Gov. Roy Cooper on Tuesday afternoon ordered mandatory evacuations to begin at 8 a.m. Wednesday on all of North Carolina's barrier islands, from the South Carolina line to the Virginia line, the Raleigh News and Observer reported. The barrier islands include the Outer Banks, Shackleford Banks, Bogue Banks and Bald Head Island.

Carteret County, which includes the Bogue Banks area south of Cape Lookout, said it “anticipates to issue a mandatory evacuation” of coastal communities by noon Wednesday. A voluntary evacuation will be in effect for other parts of Carteret County, including popular Emerald Isle, officials said.

Hyde County begins a mandatory evacuation for Ocracoke residents at 5 a.m. Wednesday. The county has also canceled ferry service to the islands.

Dare County, which includes the towns of Duck, Southern Shores, Kitty Hawk, Kill Devil Hills, Nags Head and Manteo, has already asked visitors to leave and residents are to evacuate beginning at 6 a.m. Wednesday.

Currituck County has ordered mandatory evacuations of Corolla and Carova to begin at 8 a.m. Wednesday.

“Please keep in mind that highways along the coast frequently suffer overwash during periods of surge and everyone should make their evacuation plans accordingly,” Hyde County officials said in a press release.

New Hanover County will begin a mandatory evacuation for Carolina Beach, Wrightsville Beach, Kure Beach and Figure Eight Island at 8 a.m. Wednesday. Residents in flood-prone areas of the county and the city of Wilmington are under a voluntary evacuation order, the Wilmington Star News reported.

The Star News also reported that all schools in Brunswick, New Hanover and Pender counties are closed through Friday. There will be no after-school activities, including Friday night football.

Other counties where schools will be closed include Onslow, Columbus, Carteret, Pamlico, Dare and Hyde.

Craven County schools and Currituck County schools will release students early on Wednesday and be closed Thursday and Friday.

The Outer Banks SPCA was seeking volunteers to be foster owners for the shelter's animals while Dorian threatens the islands.

"If you know the OBX SPCA, you know our facility floods in a rain storm," the shelter said in a Facebook post.

Camp Lejeune officials said in a Facebook post the base won't have a blanket evacuation order. Individual commands were encouraged to make their own plans

In South Carolina, Marine recruits at Parris Island were evacuating to the Marine Corps Logistics Base in Albany, Georgia, WFXL reported. Graduation activities that had been scheduled for this week have been canceled.

The nearby Marine Air Corps Station Beaufort is also under evacuation orders. The Beaufort air station is home to Marine Fighter Attack Training Squadron 501, which trains F-35B pilots. Second Lt. Kevin Buss, a spokesman for the air station, told Marine Corps Times that no aircraft have been moved as a result of the approaching storm.

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Also in South Carolina, all schools in Jasper County, Beaufort County, Colleton County, Berkeley County, Charleston County, Dorchester County, Georgetown County and Horry County are closed until further notice.

A number of colleges along the coast also closed, including the College of Charleston, the Citadel, the Medical University of South Carolina, Coastal Carolina University, Horry Georgetown Technical College, University of South Carolina Beaufort and Technical College of the Lowcountry.

On Monday, eastbound lanes of Interstate 26 in South Carolina were reversed from Charleston to Columbia to help with evacuations.

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