Parts of those coasts have been placed under a tropical storm warning.
Name or no name, it is already affecting the Gulf Coast, where tropical storm watches and warnings were in place.
ABC13 meteorologist Casey Curry said the disturbance in the Gulf of Mexico has been upgraded to Tropical Storm Cindy.
The hurricane center said 4-8 inches of rain will be possible across southern Alabama, Louisiana, Mississippi and the Florida Panhandle. That's a new designation from the National Hurricane Center for systems that have not developed yet, but that will likely bring tropical storm impacts.
The Storm is now more than 100 miles southeast of Trinidad, moving swiftly toward the west-northwest. The storm system is not expected to strengthen on Tuesday and is forecast to weaken to a tropical depression on Wednesday.
Bret transitioned to a tropical storm late Monday afternoon.
The Gulf of Mexico is home to about 17 percent of U.S. crude output and 5 percent of dry natural gas output daily, according to the U.S. Energy Information Administration.
So far, "Potential Tropical Cyclone Three" has winds of 40 miles per hour, but Air Force Reserve Hurricane Hunter aircraft were unable to find a well-defined center of circulation, which keeps it from being a named storm.
Keep in mind this is just one model and we are still talking about an extended period of time, but you can see the threat of heavy rainfall amounts especially on the south and eastern side of the map.
The tropical storm warnings have been discontinued for Trinidad and Tobago, and Grenada. A turn toward the north-northwest is forecast early Thursday. The reason it is a "potential' cyclone is because it does not meet qualifications of a tropical storm yet".
London mosque terror attack suspect named
Witnesses said Osborne claimed he wanted to "kill all Muslims" after he drove into a crowd leaving a mosque early Monday morning. ITV News spoke to Osborne's mother, who said: "I'm not going to defend him, but he's my son and it's a bad , awful shock".