Chattahoochee River at 0.76 mile upstream McGinnis Ferry near Suwanee, GA

River level and flood forecast · Forsyth County

Normal1.8 ftas of Mon 3:30 PM

The river is 20.2 ft below flood stage (22 ft).

Flow: 659 cubic feet per second (USGS).

The last 7 days and the forecast

-10010203040TueWedThuFriSatSunMonAction 20 ftFlood 22 ftModerate 33 ftMajor 39 ftNowObserved (ft)NWS forecast

NWS forecast issued Sun, Dec 31, 7 PM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage39 ft
Moderate flood stage33 ft
Flood stage22 ft
Action stage20 ft

What floods at each level

From the National Weather Service, highest first.

  • 22 ftFlood stage is reached. Minor flooding begins along the river upstream and downstream from the gage at McGinnis Ferry Road. This will primarily affect the woodlands in the Chattahoochee River National Recreation Area and a boat ramp just upstream of the McGinnis Ferry Road bridge.
  • 20 ftBankfull conditions occur along the river upstream and downstream from the gage at McGinnis Ferry Road.

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (WSWG1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.