Flash flood watches were issued for coastal areas and the system, located just off the Georgia coast Friday, was expected to track slowly to the north or northeast.
An advisory from the National Hurricane Center said surface pressures were falling and a depression could form if the system stays offshore.
The advisory said most of the shower activity remained offshore.
A tropical depression is a system where winds are 38 mph or less. It becomes a tropical storm with winds of at least 39 mph.
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