HAVANA — Forecasters say Tropical Storm Isaac has entered the Florida Straits after passing over Cuba and is expected to strengthen.
At 11 p.m. on Saturday, the center of the storm was located about 65 miles northeast of Camaguey, Cuba.
It was moving northwest at 17 miles per hour with maximum sustained winds of 60 mph.
A tropical storm warning for Haiti, where Isaac killed at least four people, was canceled.
A tropical storm warning was issued farther up Florida’s Gulf coast, including the Tampa Bay region where the Republican National Convention begins next week.
Florida Gov. Rick Scott declared a state of emergency, officials urged vacationers to leave the Florida Keys and the U.S. National Hurricane Center said a hurricane warning was in effect there, as well as for the west coast of Florida from Bonita Beach south to Ocean Reef and for Florida Bay.
At least four people were reported dead in Haiti including a 10-year-old girl who had a wall fall on her, according to the country’s Civil Protection Office. There were no immediate details on how the others died.
The government also reported two injuries; “considerable damage” to agriculture and homes; nearly 8,000 people who were evacuated from their houses or quake shelters; and more than 4,000 who were taken to temporary shelters.
Many, however, stayed and suffered.
The Grive River overflowed north of Port-au-Prince, sending chocolate-brown water spilling through the sprawling shantytown of Cite Soleil, where many people grabbed what possessions they could and carried them on their heads, wading through waist-deep water.
“From last night, we’re in misery,” said Cite Soleil resident Jean-Gymar Joseph. “All our children are sleeping in the mud, in the rain.”
Scores of tents in quake settlements collapsed, including more than 50 in Cite Soleil, forcing people to scramble through the mud to try to save their belongings.
About 300 homes in Cite Soleil lost their roofs or were flooded three feet deep, according to Rachel Brumbaugh, operation manager for the U.S. nonprofit group World Vision.
Doctors Without Borders said it anticipated a spike in cholera cases due to flooding and it was preparing to receive more patients.
The international airport reopened by the afternoon but there was still extensive flooding throughout Port-au-Prince after 24 hours of steady rain.
Forecasters predicted the storm would likely march up through the Gulf of Mexico and approach the Florida Keys on Sunday, then continue north off the state’s west coast as a hurricane on Monday, just as the Republican National Convention is scheduled to start.
Tampa is within the tropical storm watch zone, meaning forecasters believe tropical storm conditions are possible there within the next 48 hours.
Gov. Scott said during a media briefing that delegates were being told how to stay safe during a storm, and officials were ready for storm surge, bridge closures and other problems that could arise during the convention.
After hitting land near the easternmost tip of Cuba on Saturday, Isaac’s center spent just a few hours over the island before reemerging into the water, where it was expected to pick up strength.
On Saturday afternoon, the storm was centered about 120 miles east of Camaguey, Cuba, with maximum sustained winds of 60 mph, the Hurricane Center reported. It was moving northwest along the Cuban coastline at 21 mph.
Tropical storm-force winds extended nearly 205 miles from the center, giving Isaac a broad sweep as it passed.
In Baracoa, authorities cut off electricity as a preventive measure. Civil defense officials patrolled the streets and told onlookers to be careful as they gawked at the powerful surf kicked up by the storm. Waves crashing against the seawall sent spray high into the air and deposited rocks and other debris on land.
Dariel Villares and a cousin who lives next door lost their seaside homes.
“A high wave came and knocked down both walls: mine and my cousin’s,” Villares said. “Now we’re removing everything of value.”
There were no reports of fatalities, Red Cross worker Javier de la Cruz said.
Flooding was reported in low-lying coastal areas and 230 people were in emergency shelters, according to state TV.
Far to the west, the Sol Cayo Coco beach resort moved guests out of ground floor rooms. Intermittent rains and gusty winds buffeted Havana, 560 miles (900 kilometers) away.
Cuba has a highly organized civil defense system that goes door-to-door to enforce evacuations of at-risk areas, largely averting casualties from storms even when they cause major flooding and significant damage to crops.
Near the island’s southeastern tip, the U.S. military suspended ferry service at the Guantanamo Bay naval base and bunked guards inside prison facilities, but operations were returning to normal by late afternoon.
“The bad weather did not materialize here as tropical storm Isaac turned away,” Navy Capt. Robert Durand said.
Authorities in the Dominican Republic evacuated nearly 7,800 people from low-lying areas, and at least 10 rural settlements were cut off by flooding, according to Juan Manuel Mendez, director of rescue teams. Power was knocked out in parts of the capital, Santo Domingo.
There were no reports of injuries, but 49 homes across the country were destroyed.
Authorities discontinued a tropical storm warning, but rainfall was expected to reach up to 12 inches (300 millimeters) over the weekend.
“We still have a big cloudy area over the island that will produce lots of rain” until Sunday afternoon, said Francisco Holguin of the local meteorological agency.
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Associated Press journalists Trenton Daniel and Evens Sanon in Port-au-Prince, Haiti; Anne-Marie Garcia in Havana; Fernando Gonzalez in Baracoa, Cuba; and Ezequiel Abiu Lopez in Santo Domingo, Dominican Republic, contributed to this report.