East Sussex Fire and Rescue Service were called last night at 22.00 to reports of a vehicle trapped in about a metre of water - possibly with one person inside.
Crews from Battle and Crowborough were sent to the scene at Sedlescombe. Police were also in attendance.
Water rescue equipment was used to search the area.
No one was found in the car.
The missing person was tracked down at their home address.
Drivers are being reminded to avoid driving through flood waters.