As Hurricane Dorian continued moving northwest over open water on Thursday, life began to return to normal on Puerto Rico and the Virgin Islands.

Schools reopened in San Juan, Puerto Rico, Mayor Carmen Yulín Cruz said in a statement, and city workers returned to work. The airport resumed regular operations, and the Port of San Juan was expected to be reopened.

In the U.S. Virgin Islands, power had been restored to most customers on St. Croix and St. John. Work continued on St. Thomas.

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Overall, the Caribbean islands appeared to have escaped widespread destruction from the storm.

"We're happy because there are no damages to report," Culebra Mayor William Solís told the Associated Press. Culebra is an island off the coast of Puerto Rico.

(MORE: Check the Latest Forecast for Dorian)

Power was out across St. Thomas and St. John in the U.S. Virgin Islands, and there were scattered power outages in St. Croix. Downed trees were also reported in St. Thomas,

"We are grateful that it wasn't a stronger storm," Richard Motta, a spokesman for the Virgin Islands government, told the AP.

Ahead of Dorian, government offices were shut down, ports closed and curfews imposed.

The governor of the U.S. Virgin Islands issued a territory-wide curfew beginning at noon Wednesday through 6 a.m. Thursday Atlantic Standard Time. A curfew was also in place in the British Virgin Islands, where video posted to Facebook showed some structural damage, power lines slumping and flooding in the streets.

Airports remained open, but many flights were canceled.

Cruise ships altered course to avoid the storm. The Disney Fantasy and Royal Caribbean's Allure of the Seas, Harmony of the Seas and Symphony of the Seas switched from eastern Caribbean itineraries to western Caribbean itineraries, according to Cruise Critic.

The U.S. territory of Puerto Rico was still under a state of emergency declared by President Donald Trump, and officials announced that schools would be closed there until at least Thursday. Numerous flights were canceled at Luis Munoz Marin International Airport.

A man died after he fell off the roof of his home near San Juan while cleaning the gutters in preparation for the storm, according to WAPA-TV.

(WATCH: Florida in Play as Dorian Heads West)

Shelters were opened for people whose homes still have not been repaired since Hurricane Maria devastated the island in 2017. Gov. Wanda Vázquez said the government is much better prepared to face a storm than it was two years ago.

Across Puerto Rico, about 30,000 homes still have blue tarps as roofs because of Maria and the 3.2 million inhabitants depend on a shaky power grid.

Late Monday night, officials in Barbados said the island experienced power outages and downed trees as the storm passed near the southern coast. A roof lifted off a home in St. Peter, according to Nation News.

About 100 people spent the night in emergency shelters. The Royal Barbados Police Force said there were no reports of injury or incident, Nation News reported.

On the island of Martinique, video on social media showed streets that looked like flowing rivers.

Information from the Associated Press was included in this report.