St. Johns River near Sanford, FL
River level and flood forecast · Seminole County
Normal4.0 ftas of Mon 2:30 PM
The river is 1.5 ft below flood stage (5.5 ft).
Forecast to hold near 4.0 ft through Sat, Oct 17, 8 AM.
Flow: 4,420 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 9:48 AM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 8 ft |
| Moderate flood stage | 7 ft |
| Flood stage | 5.5 ft |
| Action stage | 4.2 ft |
| Record crest (October 9, 2022) | 8.96 ft |
What floods at each level
From the National Weather Service, highest first.
- 13 ftWater level rises in parking lots at Lake Monroe Hospital and approaches New Tribes Mission in Sanford.
- 11 ftWater enters the Sailpoint Apartments, Lake Monroe Inn, City Hall and approaches the Courthouse in Sanford.
- 10.5 ftWater enters the Regatta Shores Apartments and Towne Center Apartments in Sanford.
- 10 ftWater enters the old Post Office and Sanford Landing Apartments in Sanford.
- 9.5 ftWater encroaches on Sanford Landing Apartments and other low lying structures along the waterfront.
- 9 ftFlooding becomes more significant to the Sanford waterfront area. Water approaches low lying areas on the waterfront.
- 8 ftFlooding becomes more significant to low lying structures and marinas along the river in Volusia and Seminole counties, including Sanford, Enterprise and Lake Monroe.
- 7.4 ftMany secondary roads are flooded and may become impassable around Lake Monroe and in Enterprise. Rising water begins to impact more areas of Stone Island and water approaches homes in River Oaks Estates.
- 7 ftWater begins to move over sea wall around Lake Monroe and rises into grassy areas around the sea wall. Water begins to encroach on Seminole Boulevard.
- 6.5 ftWater enters a few lower lying homes in the Stone Island and Stillbrook subdivisions. The road into Stone Island becomes impassable. Water rises onto low lying property near Sanford. Parks and docks are flooded near Lake Monroe.
- 6.2 ftWater completely surrounds many homes in the Stone Island and Still Brook subdivisions. Pool enclosures and patios become flooded. Water covers many of the roads. Flooding occurs on Enterprise Road and in the Bethel Loop subdivision.
- 6 ftWater encroaches on low lying roads, also pool enclosures and patios in the Stone Island area.
- 5.5 ftWater surrounds homes and covers some driveways in the Stone Island area near Enterprise in Volusia County. Water enters yards and floods docks in the River Oaks Estates subdivision.
- 4.2 ftNo wake zone and parks closed along the river, also some boat ramps closed.
Highest crests on record
- 8.96 ft — October 9, 2022
- 7.89 ft — September 2, 2008
- 7.51 ft — October 4, 2004
- 7.23 ft — September 23, 2017
- 7.2 ft — October 8, 2017
Recent crests: 7.16 ft (October 18, 2024) · 7 ft (November 10, 2022) · 8.96 ft (October 9, 2022) · 7.2 ft (October 8, 2017) · 7.23 ft (September 23, 2017)
Up and down the river, and nearby
- UpstreamSt. Johns River above Lake Harney, FL
- DownstreamSt. Johns River near Deland, FL
- Wekiva River near Sanford, FL
- St. Johns River at Lake Jesup Outlet near Sanford, FL
- Little Wekiva River near ALTAMONTE SPRINGS 2N, FL
- Little Econlockhatchee near Oviedo, FL
- St. Johns River at Astor, FL
- Haynes Creek below Burrell Dam, FL
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (SNFF1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.