Nicole reached 70 mph (110 kph) late Tuesday, just shy of the 74 mph (119 kph) to become a Category 1 hurricane.

A range of warnings and watches remain in place. Many areas are still reeling from damage caused by Hurricane Ian, which hit Florida’s southwestern Gulf Coast as a Category 4 storm in late September before dumping heavy amounts of rain across much of the central part of the state. Forecasters said heavy rain could fall on areas still recovering from Ian’s flooding.

Hurricane warnings were in effect for the Abacos, Berry Islands, Bimini and Grand Bahama Island, the Miami-based National Hurricane Center said in an advisory. Other areas of the Bahamas, including Andros Island, New Province and Eleuthera remained under a tropical storm warning.

Residents in at least three Florida counties — Flagler, Palm Beach, and Volusia — were ordered to evacuate from barrier islands, low-lying areas, and mobile homes. The evacuation orders are set to take effect Wednesday. Officials at Orlando International Airport, the seventh busiest in the U.S., said commercial operations would stop Wednesday afternoon until it was safe to resume flights.

“This incoming storm is a direct threat to both property and life,” said Volusia County Manager George Recktenwald. “Our infrastructure, particularly along the coastline, is very vulnerable because of Hurricane Ian.”

In the Bahamas, long lines formed at gas stations and grocery stores earlier Tuesday, said Eliane Hall, who works at a hotel in Great Abaco island.

“We just boarded it up,” she said of the hotel, adding that the impact of Hurricane Dorian, a Category 5 storm that struck in 2019, was still fresh in many people’s minds. “We’re still affected,” she said.

Authorities said they were especially concerned about those now living in about 100 motorhomes in Grand Bahama after Dorian destroyed their homes, and about the migrant community in Great Abaco’s March Harbor that Capt. Stephen Russell, emergency management authority director, said has grown from 50 acres (20 hectares) to 200 acres (81 hectares) since Dorian. The previous community of Haitian migrants was among the hardest hit by the 2019 storm given the large number of flimsy structures in which many lived.

The hurricane center said the storm’s track shifted slightly north overnight, but the exact path remains uncertain as it approaches Florida, where it is expected to make landfall as a Category 1 hurricane late Wednesday or early Thursday.

By Tuesday night, hurricane warnings were issued for a large portion of Florida’s Atlantic Coast, from Boca Raton to north of Daytona Beach. Tropical storm warnings are in place for other parts of the Florida coast, all the way to Altamaha Sound, Georgia.

The warning area also stretches inland, covering Florida’s Lake Okeechobee, with tropical storm watches in effect on the state’s Gulf Coast from Bonita Beach in southwestern Florida to Indian Pass in the Panhandle. The tropical storm watch extends north to the South Santee River in South Carolina.