The National Hurricane Center said in an 11 p.m. AST advisory that Teddy had maximum sustained winds of 90 mph.
The advisory said that the storm was growing in strength and could become a “major” hurricane later in the week. A storm is considered a major hurricane at Category 3 strength, with sustained winds of at least 111 mph.
Teddy was 670 miles east-northeast of the Lesser Antilles and was moving northwest at 13 mph, the NHC said.
Large swells generated by Teddy are expected to reach the Lesser Antilles and the northeastern coast of South America on Wednesday before spreading westward to the Greater Antilles, the Bahamas and Bermuda by Friday, the NHC said.
“These swells are likely to cause life-threatening surf and rip current conditions,” the advisory said.
Teddy’s formation on Monday was the latest in an extremely active weather map in the Atlantic basin.
Tropical Storm Sally is in the Gulf, post-tropical cyclone Paulette is in the North Atlantic and Tropical Storm Vicky isn’t expected to last very long before dissipating.