Rivers in Florida

St. Johns River near Sanford

Seminole County, FloridaNWS SNFF1USGS 02234500Melbourne office

Below flood stage
2.79ftStage

Observed Tue, Sep 22, 5:30 AM EDT

Flood stage
5.50 ft
Record crest
8.96 ft2022

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood8.00 ft
Moderate flood7.00 ft
Minor flood5.50 ft
Action4.20 ft
  1. 13.00 ftWater level rises in parking lots at Lake Monroe Hospital and approaches New Tribes Mission in Sanford.
  2. 11.00 ftWater enters the Sailpoint Apartments, Lake Monroe Inn, City Hall and approaches the Courthouse in Sanford.
  3. 10.50 ftWater enters the Regatta Shores Apartments and Towne Center Apartments in Sanford.
  4. 10.00 ftWater enters the old Post Office and Sanford Landing Apartments in Sanford.
  5. 9.50 ftWater encroaches on Sanford Landing Apartments and other low lying structures along the waterfront.
  6. 9.00 ftFlooding becomes more significant to the Sanford waterfront area. Water approaches low lying areas on the waterfront.
  7. 8.00 ftFlooding becomes more significant to low lying structures and marinas along the river in Volusia and Seminole counties, including Sanford, Enterprise and Lake Monroe.
  8. 7.40 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.
  9. 7.00 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.
  10. 6.50 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.
  11. 6.20 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.
  12. 6.00 ftWater encroaches on low lying roads, also pool enclosures and patios in the Stone Island area.
  13. 5.50 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.
  14. 4.20 ftNo wake zone and parks closed along the river, also some boat ramps closed.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor flooding17%
Moderate flooding8%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 15, 2026.

Crest history

28 crests on NOAA’s list since 1941.

#DateStage
1October 9, 20228.96 ft
2September 2, 20087.89 ft
3October 4, 20047.51 ft
4September 23, 20177.23 ft
5October 8, 20177.20 ft
6October 18, 20247.16 ft
7November 10, 20227.00 ft
8November 26, 19946.55 ft
9March 9, 19986.35 ft
10November 2, 19995.99 ft
11October 24, 19955.90 ft
12September 7, 20025.86 ft
13September 25, 20015.84 ft
14October 11, 19495.82 ft
15October 25, 19955.80 ft
16November 4, 19565.73 ft
17October 30, 19445.61 ft
18October 11, 19435.60 ft
19October 29, 19505.57 ft
20November 6, 19695.48 ft
21January 9, 19985.43 ft
22July 14, 19685.43 ft
23August 7, 19415.29 ft
24December 5, 19535.02 ft
25July 27, 19454.98 ft

Most recent crests

  • October 18, 2024: 7.16 ft
  • November 10, 2022: 7.00 ft
  • October 9, 2022: 8.96 ft
  • October 8, 2017: 7.20 ft
  • September 23, 2017: 7.23 ft
  • September 2, 2008: 7.89 ft
  • October 4, 2004: 7.51 ft
  • September 7, 2002: 5.86 ft
  • September 25, 2001: 5.84 ft
  • November 2, 1999: 5.99 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Southeast River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.