Residents of Franklin Flats are being told to head for higher ground.
A mandatory evacuation isn't taking place, but the National Weather Service has issued a flood warning for Erie County and expects the Huron River to crest at least two feet above flood stage.
"It's the only area of the county that we know we're going to have problems," said Bill Walker, director of the Erie County Emergency Management Agency.
EMA and Perkins Fire Department are checking water levels on Pipe and Mills creeks as water continues to flow to the bay.
According to the Register's weather station, 3.72 inches of rain have fallen since midnight last night.