The NHC said Wednesday it is tracking a tropical wave in the Caribbean Sea that could become a tropical depression by the end of the week.

Follow along here for updates on what could become Hurricane Sara. Hurricane season isn't over yet, and forecasters say a system in the Caribbean could strengthen into Hurricane Sara next week and travel along an uncertain path in the Gulf of Mexico into late November.

If the tropical depression intensifies, it will become the 19th named storm of this year's Atlantic hurricane season.

A tropical depression in the Caribbean Sea has been upgraded to Potential Tropical Cyclone 19 Wednesday afternoon, and forecasters say it will affect Central America as a tropical storm. The potential tropical cyclone is expected to become a tropical storm within the next day or so,

Lots of factors in play but Tropical Storm Sara is expected to form this week and could become a major hurricane threatening the US next week.

A disturbance in the Caribbean became Invest 99L on Tuesday and will likely become Tropical Storm Sara. FOX 13 Chief Meteorologist Paul Dellegatto says the tropical wave has a 90 percent chance of developing over the next week.

The National Hurricane Center is closely watching Invest 99L, saying it will soon get the name Sara, then possibly approach Florida as a hurricane next week.