The center said that dangerous surf and deadly rip currents will likely hit the northern Leeward Islands later Friday. They would spread to Puerto Rico, Hispaniola, the Turks and Caicos, the Bahamas and Bermuda over the weekend.

“We will see waves between 10 and 15 feet (3 and 5 meters), so we don’t want anyone on the beaches,” said Ernesto Morales with the National Weather Service in San Juan, Puerto Rico.

The National Hurricane Center said dangerous surf and rip currents were forecast for most of the U.S. East Coast starting Sunday.

U.S. President Joe Biden on Thursday was given the hurricane’s latest trajectory and details of preparations underway by the U.S. Federal Emergency Management Agency, which deployed unidentified assets to Puerto Rico and the U.S. Virgin Islands, according to the White House.

Lee is the 12th named storm of the Atlantic hurricane season, which runs from June 1 to Nov. 30 and peaks in September.

Tropical Storm Margot became the 13th named storm after forming on Thursday evening. It was located some 460 miles (740 kilometers) west-northwest of the Cabo Verde Islands. It had winds of up to 40 mph (65 kph) and was forecast to strengthen into a hurricane over the weekend. It was moving west-northwest at 16 mph (26 kph) and is expected to remain over open water.

The National Ocean and Atmospheric Administration in August forecasted between 14 and 21 named storms this season, with six to 11 of them expected to become hurricanes, and of those, two to five possibly developing into major hurricanes.

In the Pacific, Hurricane Jova churned through open waters far from Mexico’s southwest coast as a Category 2 storm. It posed no threat to land.

It was located about 685 miles (1,100 kilometers) west-southwest of the southern tip of Baja, California, and was moving west-northwest at 16 mph (26 kph) with winds up to 110 mph (175 kph).