It turned to the northeast and east through South Carolina, following behind Hurricane Lili to its northeast.[1] For a time, the system's proximity to Lili resulted in hints of the Fujiwhara effect, in which two tropical cyclone appear to rotate around each other.[6] The cold front that absorbed the weakening low was to the storm's north on October 13,[3] though moisture from the remnants of Marco dropped heavy rainfall across the southeast United States for another day.[3]