Tropical Depression Eleven strengthened into Tropical Storm Joaquin late Monday after forming Sunday evening, according to a report by Weather.com.
The storm was located about 385 miles northeast of the central Bahamas early Tuesday morning.
The official National Hurricane Center forecast track includes parts of the U.S. East Coast this weekend into early next week.
Weather.com cautioned, however, that uncertainty about the track of the storm is unusually high due to the presence of several other disturbances near the East Coast, noting that it's possible that Joaquin may never make landfall at all.
Wind shear is expected to lessen some over the next couple of days and combined with warm sea surface temperatures and plenty of moisture in the area some strengthening is likely, the site reported.
Meanwhile, heavy rains are setting up early this week in the East that will potentially last into the weekend ahead, Weather.com reported. Multiple rounds of rain are likely in some areas, raising the risk of flooding even with relatively dry soil conditions in place across the Northeast.
Soon after that system moves through the area, Joaquin could move into the north Atlantic near the end of the week, NBC New York reported.