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Hydrograph River at a Glance Download
St. Johns River near Sanford Stage (ft)Flow (kcfs)Observed: 0.74 ft at 6:45PM Jun 17, 2021Observed: 0.74 ft at 7:00PM Jun 17, 2021Observed: 0.75 ft at 7:15PM Jun 17, 2021Observed: 0.75 ft at 7:30PM Jun 17, 2021Observed: 0.75 ft at 7:45PM Jun 17, 2021Observed: 0.76 ft at 8:00PM Jun 17, 2021Observed: 0.75 ft at 8:15PM Jun 17, 2021Observed: 0.74 ft at 8:30PM Jun 17, 2021Observed: 0.74 ft at 8:45PM Jun 17, 2021Observed: 0.75 ft at 9:00PM Jun 17, 2021Observed: 0.75 ft at 9:15PM Jun 17, 2021Observed: 0.75 ft at 9:30PM Jun 17, 2021Observed: 0.76 ft at 9:45PM Jun 17, 2021Observed: 0.73 ft at 10:00PM Jun 17, 2021Observed: 0.75 ft at 10:15PM Jun 17, 2021Observed: 0.76 ft at 10:30PM Jun 17, 2021Observed: 0.75 ft at 10:45PM Jun 17, 2021Observed: 0.76 ft at 11:00PM Jun 17, 2021Observed: 0.77 ft at 11:15PM Jun 17, 2021Observed: 0.77 ft at 11:30PM Jun 17, 2021Observed: 0.77 ft at 11:45PM Jun 17, 2021Observed: 0.75 ft at 12:00AM Jun 18, 2021Observed: 0.78 ft at 12:15AM Jun 18, 2021Observed: 0.77 ft at 12:30AM Jun 18, 2021Observed: 0.75 ft at 12:45AM Jun 18, 2021Observed: 0.75 ft at 1:00AM Jun 18, 2021Observed: 0.75 ft at 1:15AM Jun 18, 2021Observed: 0.74 ft at 1:30AM Jun 18, 2021Observed: 0.74 ft at 1:45AM Jun 18, 2021Observed: 0.75 ft at 2:00AM Jun 18, 2021Observed: 0.75 ft at 2:15AM Jun 18, 2021Observed: 0.75 ft at 2:30AM Jun 18, 2021Observed: 0.75 ft at 2:45AM Jun 18, 2021Observed: 0.75 ft at 3:00AM Jun 18, 2021Observed: 0.75 ft at 3:15AM Jun 18, 2021Observed: 0.74 ft at 3:30AM Jun 18, 2021Observed: 0.75 ft at 3:45AM Jun 18, 2021Observed: 0.75 ft at 4:00AM Jun 18, 2021Observed: 0.74 ft at 4:15AM Jun 18, 2021Observed: 0.74 ft at 4:30AM Jun 18, 2021Observed: 0.75 ft at 4:45AM Jun 18, 2021Observed: 0.75 ft at 5:00AM Jun 18, 2021Observed: 0.76 ft at 5:15AM Jun 18, 2021Observed: 0.75 ft at 5:30AM Jun 18, 2021Observed: 0.75 ft at 5:45AM Jun 18, 2021Observed: 0.75 ft at 6:00AM Jun 18, 2021Observed: 0.75 ft at 6:15AM Jun 18, 2021Observed: 0.76 ft at 6:30AM Jun 18, 2021Observed: 0.75 ft at 6:45AM Jun 18, 2021Observed: 0.76 ft at 7:00AM Jun 18, 2021Observed: 0.77 ft at 7:15AM Jun 18, 2021Observed: 0.76 ft at 7:30AM Jun 18, 2021Observed: 0.78 ft at 7:45AM Jun 18, 2021Observed: 0.77 ft at 8:00AM Jun 18, 2021Observed: 0.78 ft at 8:15AM Jun 18, 2021Observed: 0.78 ft at 8:30AM Jun 18, 2021Observed: 0.79 ft at 8:45AM Jun 18, 2021Observed: 0.79 ft at 9:00AM Jun 18, 2021Observed: 0.78 ft at 9:15AM Jun 18, 2021Observed: 0.79 ft at 9:30AM Jun 18, 2021Observed: 0.79 ft at 9:45AM Jun 18, 2021Observed: 0.78 ft at 10:00AM Jun 18, 2021Observed: 0.78 ft at 10:15AM Jun 18, 2021Observed: 0.79 ft at 10:30AM Jun 18, 2021Observed: 0.79 ft at 10:45AM Jun 18, 2021Observed: 0.79 ft at 11:00AM Jun 18, 2021Observed: 0.79 ft at 11:15AM Jun 18, 2021Observed: 0.8 ft at 11:30AM Jun 18, 2021Observed: 0.79 ft at 11:45AM Jun 18, 2021Observed: 0.81 ft at 12:00PM Jun 18, 2021Observed: 0.79 ft at 12:15PM Jun 18, 2021Observed: 0.81 ft at 12:30PM Jun 18, 2021Observed: 0.8 ft at 12:45PM Jun 18, 2021Observed: 0.79 ft at 1:00PM Jun 18, 2021Observed: 0.82 ft at 1:15PM Jun 18, 2021Observed: 0.81 ft at 1:30PM Jun 18, 2021Observed: 0.79 ft at 1:45PM Jun 18, 2021Observed: 0.8 ft at 2:00PM Jun 18, 2021Observed: 0.81 ft at 2:15PM Jun 18, 2021Observed: 0.79 ft at 2:30PM Jun 18, 2021Observed: 0.81 ft at 2:45PM Jun 18, 2021Observed: 0.81 ft at 3:00PM Jun 18, 2021Observed: 0.81 ft at 3:15PM Jun 18, 2021Observed: 0.81 ft at 3:30PM Jun 18, 2021Observed: 0.8 ft at 3:45PM Jun 18, 2021Observed: 0.81 ft at 4:00PM Jun 18, 2021Observed: 0.8 ft at 4:15PM Jun 18, 2021Observed: 0.81 ft at 4:30PM Jun 18, 2021Observed: 0.8 ft at 4:45PM Jun 18, 2021Observed: 0.81 ft at 5:00PM Jun 18, 2021Observed: 0.81 ft at 5:15PM Jun 18, 2021Observed: 0.81 ft at 5:30PM Jun 18, 2021Observed: 0.81 ft at 5:45PM Jun 18, 2021Observed: 0.81 ft at 6:00PM Jun 18, 2021Observed: 0.81 ft at 6:15PM Jun 18, 2021Observed: 0.82 ft at 6:30PM Jun 18, 2021Observed: 0.81 ft at 6:45PM Jun 18, 2021Observed: 0.8 ft at 7:00PM Jun 18, 2021Observed: 0.8 ft at 7:15PM Jun 18, 2021Observed: 0.8 ft at 7:30PM Jun 18, 2021Observed: 0.82 ft at 7:45PM Jun 18, 2021Observed: 0.82 ft at 8:00PM Jun 18, 2021Observed: 0.83 ft at 8:15PM Jun 18, 2021Observed: 0.84 ft at 8:30PM Jun 18, 2021Observed: 0.85 ft at 8:45PM Jun 18, 2021Observed: 0.86 ft at 9:00PM Jun 18, 2021Observed: 0.85 ft at 9:15PM Jun 18, 2021Observed: 0.86 ft at 9:30PM Jun 18, 2021Observed: 0.86 ft at 9:45PM Jun 18, 2021Observed: 0.85 ft at 10:00PM Jun 18, 2021Observed: 0.86 ft at 10:15PM Jun 18, 2021Observed: 0.87 ft at 10:30PM Jun 18, 2021Observed: 0.87 ft at 10:45PM Jun 18, 2021Observed: 0.87 ft at 11:00PM Jun 18, 2021Observed: 0.86 ft at 11:15PM Jun 18, 2021Observed: 0.86 ft at 11:30PM Jun 18, 2021Observed: 0.84 ft at 11:45PM Jun 18, 2021Observed: 0.86 ft at 12:00AM Jun 19, 2021Observed: 0.87 ft at 12:15AM Jun 19, 2021Observed: 0.85 ft at 12:30AM Jun 19, 2021Observed: 0.85 ft at 12:45AM Jun 19, 2021Observed: 0.87 ft at 1:00AM Jun 19, 2021Observed: 0.86 ft at 1:15AM Jun 19, 2021Observed: 0.85 ft at 1:30AM Jun 19, 2021Observed: 0.85 ft at 1:45AM Jun 19, 2021Observed: 0.85 ft at 2:00AM Jun 19, 2021Observed: 0.85 ft at 2:15AM Jun 19, 2021Observed: 0.85 ft at 2:30AM Jun 19, 2021Observed: 0.83 ft at 2:45AM Jun 19, 2021Observed: 0.84 ft at 3:00AM Jun 19, 2021Observed: 0.85 ft at 3:15AM Jun 19, 2021Observed: 0.85 ft at 3:30AM Jun 19, 2021Observed: 0.85 ft at 3:45AM Jun 19, 2021Observed: 0.85 ft at 4:00AM Jun 19, 2021Observed: 0.85 ft at 4:15AM Jun 19, 2021Observed: 0.85 ft at 4:30AM Jun 19, 2021Observed: 0.85 ft at 4:45AM Jun 19, 2021Observed: 0.85 ft at 5:00AM Jun 19, 2021Observed: 0.85 ft at 5:15AM Jun 19, 2021Observed: 0.85 ft at 5:30AM Jun 19, 2021Observed: 0.85 ft at 5:45AM Jun 19, 2021Observed: 0.85 ft at 6:00AM Jun 19, 2021Observed: 0.85 ft at 6:15AM Jun 19, 2021Observed: 0.86 ft at 6:30AM Jun 19, 2021Observed: 0.85 ft at 6:45AM Jun 19, 2021Observed: 0.86 ft at 7:00AM Jun 19, 2021Observed: 0.86 ft at 7:15AM Jun 19, 2021Observed: 0.86 ft at 7:30AM Jun 19, 2021Observed: 0.85 ft at 7:45AM Jun 19, 2021Observed: 0.86 ft at 8:00AM Jun 19, 2021Observed: 0.86 ft at 8:15AM Jun 19, 2021Observed: 0.86 ft at 8:30AM Jun 19, 2021Observed: 0.86 ft at 8:45AM Jun 19, 2021Observed: 0.86 ft at 9:00AM Jun 19, 2021Observed: 0.86 ft at 9:15AM Jun 19, 2021Observed: 0.86 ft at 9:30AM Jun 19, 2021Observed: 0.85 ft at 9:45AM Jun 19, 2021Observed: 0.88 ft at 10:00AM Jun 19, 2021Observed: 0.87 ft at 10:15AM Jun 19, 2021Observed: 0.86 ft at 10:30AM Jun 19, 2021Observed: 0.87 ft at 10:45AM Jun 19, 2021Observed: 0.89 ft at 11:00AM Jun 19, 2021Observed: 0.87 ft at 11:15AM Jun 19, 2021Observed: 0.88 ft at 11:30AM Jun 19, 2021Observed: 0.89 ft at 11:45AM Jun 19, 2021Observed: 0.89 ft at 12:00PM Jun 19, 2021Observed: 0.87 ft at 12:15PM Jun 19, 2021Observed: 0.88 ft at 12:30PM Jun 19, 2021Observed: 0.88 ft at 12:45PM Jun 19, 2021Observed: 0.89 ft at 1:00PM Jun 19, 2021Observed: 0.89 ft at 1:15PM Jun 19, 2021Observed: 0.9 ft at 1:30PM Jun 19, 2021Observed: 0.89 ft at 1:45PM Jun 19, 2021Observed: 0.88 ft at 2:00PM Jun 19, 2021Observed: 0.89 ft at 2:15PM Jun 19, 2021Observed: 0.89 ft at 2:30PM Jun 19, 2021Observed: 0.87 ft at 2:45PM Jun 19, 2021Observed: 0.86 ft at 3:00PM Jun 19, 2021Observed: 0.89 ft at 3:15PM Jun 19, 2021Observed: 0.87 ft at 3:30PM Jun 19, 2021Observed: 0.89 ft at 3:45PM Jun 19, 2021Observed: 0.88 ft at 4:00PM Jun 19, 2021Observed: 0.88 ft at 4:15PM Jun 19, 2021Observed: 0.87 ft at 4:30PM Jun 19, 2021Observed: 0.87 ft at 4:45PM Jun 19, 2021Observed: 0.88 ft at 5:00PM Jun 19, 2021Observed: 0.9 ft at 5:15PM Jun 19, 2021Observed: 0.89 ft at 5:30PM Jun 19, 2021Observed: 0.86 ft at 5:45PM Jun 19, 2021Observed: 0.89 ft at 6:00PM Jun 19, 2021Observed: 0.9 ft at 6:15PM Jun 19, 2021Observed: 0.87 ft at 6:30PM Jun 19, 2021Observed: 0.88 ft at 6:45PM Jun 19, 2021Observed: 0.9 ft at 7:00PM Jun 19, 2021Observed: 0.91 ft at 7:15PM Jun 19, 2021Observed: 0.9 ft at 7:30PM Jun 19, 2021Highest Observation: 0.92 ft at 7:45PM Jun 19, 2021Observed: 0.91 ft at 8:00PM Jun 19, 2021Observed: 0.91 ft at 8:15PM Jun 19, 2021Highest Observation: 0.92 ft at 8:30PM Jun 19, 2021Highest Observation: 0.92 ft at 8:45PM Jun 19, 2021Observed: 0.87 ft at 9:00PM Jun 19, 2021Observed: 0.88 ft at 9:15PM Jun 19, 2021Observed: 0.88 ft at 9:30PM Jun 19, 2021Observed: 0.87 ft at 9:45PM Jun 19, 2021Observed: 0.85 ft at 10:00PM Jun 19, 2021Observed: 0.87 ft at 10:15PM Jun 19, 2021Observed: 0.88 ft at 10:30PM Jun 19, 2021Observed: 0.86 ft at 10:45PM Jun 19, 2021Observed: 0.87 ft at 11:00PM Jun 19, 2021Observed: 0.87 ft at 11:15PM Jun 19, 2021Observed: 0.86 ft at 11:30PM Jun 19, 2021Observed: 0.87 ft at 11:45PM Jun 19, 2021Observed: 0.87 ft at 12:00AM Jun 20, 2021Observed: 0.87 ft at 12:15AM Jun 20, 2021Observed: 0.86 ft at 12:30AM Jun 20, 2021Observed: 0.86 ft at 12:45AM Jun 20, 2021Observed: 0.87 ft at 1:00AM Jun 20, 2021Observed: 0.87 ft at 1:15AM Jun 20, 2021Observed: 0.86 ft at 1:30AM Jun 20, 2021Observed: 0.86 ft at 1:45AM Jun 20, 2021Observed: 0.87 ft at 2:00AM Jun 20, 2021Observed: 0.86 ft at 2:15AM Jun 20, 2021Observed: 0.85 ft at 2:30AM Jun 20, 2021Observed: 0.86 ft at 2:45AM Jun 20, 2021Observed: 0.86 ft at 3:00AM Jun 20, 2021Observed: 0.86 ft at 3:15AM Jun 20, 2021Observed: 0.86 ft at 3:30AM Jun 20, 2021Observed: 0.86 ft at 3:45AM Jun 20, 2021Observed: 0.86 ft at 4:00AM Jun 20, 2021Observed: 0.86 ft at 4:15AM Jun 20, 2021Observed: 0.86 ft at 4:30AM Jun 20, 2021Observed: 0.86 ft at 4:45AM Jun 20, 2021Observed: 0.86 ft at 5:00AM Jun 20, 2021Observed: 0.86 ft at 5:15AM Jun 20, 2021Observed: 0.86 ft at 5:30AM Jun 20, 2021Observed: 0.86 ft at 5:45AM Jun 20, 2021Observed: 0.86 ft at 6:00AM Jun 20, 2021Observed: 0.86 ft at 6:15AM Jun 20, 2021Observed: 0.85 ft at 6:30AM Jun 20, 2021Observed: 0.87 ft at 6:45AM Jun 20, 2021Observed: 0.86 ft at 7:00AM Jun 20, 2021Observed: 0.86 ft at 7:15AM Jun 20, 2021Observed: 0.86 ft at 7:30AM Jun 20, 2021Observed: 0.86 ft at 7:45AM Jun 20, 2021Observed: 0.86 ft at 8:00AM Jun 20, 2021Observed: 0.87 ft at 8:15AM Jun 20, 2021Observed: 0.87 ft at 8:30AM Jun 20, 2021Observed: 0.86 ft at 8:45AM Jun 20, 2021Observed: 0.86 ft at 9:00AM Jun 20, 2021Observed: 0.87 ft at 9:15AM Jun 20, 2021Observed: 0.87 ft at 9:30AM Jun 20, 2021Observed: 0.86 ft at 9:45AM Jun 20, 2021Observed: 0.86 ft at 10:00AM Jun 20, 2021Observed: 0.86 ft at 10:15AM Jun 20, 2021Observed: 0.86 ft at 10:30AM Jun 20, 2021Observed: 0.87 ft at 10:45AM Jun 20, 2021Observed: 0.86 ft at 11:00AM Jun 20, 2021Observed: 0.86 ft at 11:15AM Jun 20, 2021Observed: 0.86 ft at 11:30AM Jun 20, 2021Observed: 0.87 ft at 11:45AM Jun 20, 2021Observed: 0.87 ft at 12:00PM Jun 20, 2021Observed: 0.87 ft at 12:15PM Jun 20, 2021Observed: 0.87 ft at 12:30PM Jun 20, 2021Observed: 0.87 ft at 12:45PM Jun 20, 2021Observed: 0.87 ft at 1:00PM Jun 20, 2021Observed: 0.87 ft at 1:15PM Jun 20, 2021Observed: 0.86 ft at 1:30PM Jun 20, 2021Observed: 0.86 ft at 1:45PM Jun 20, 2021Observed: 0.86 ft at 2:00PM Jun 20, 2021Observed: 0.84 ft at 2:15PM Jun 20, 2021Observed: 0.83 ft at 2:30PM Jun 20, 2021Observed: 0.85 ft at 2:45PM Jun 20, 2021Observed: 0.86 ft at 3:00PM Jun 20, 2021Observed: 0.86 ft at 3:15PM Jun 20, 2021Observed: 0.83 ft at 3:30PM Jun 20, 2021Observed: 0.85 ft at 3:45PM Jun 20, 2021Observed: 0.83 ft at 4:00PM Jun 20, 2021Observed: 0.86 ft at 4:15PM Jun 20, 2021Observed: 0.86 ft at 4:30PM Jun 20, 2021Observed: 0.84 ft at 4:45PM Jun 20, 2021Observed: 0.83 ft at 5:00PM Jun 20, 2021Observed: 0.85 ft at 5:15PM Jun 20, 2021Observed: 0.87 ft at 5:30PM Jun 20, 2021USGS--Water Resources of the United StatesSNFF1(plotting HGIRG) Graph Created (6:30PM Jun 20, 2021)ObservedLatest observed value: 0.87 ft at 5:30 PM EDT 20-Jun-2021. Flood Stage is 5.5 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts for the St. Johns River near Sanford are issued as needed during times of high water, but are not routinely available.
Return to Area Map
Upstream Gauge - above Lake Harney Upstream Gauge Downstream Gauge Downstream Gauge - near near Deland
Flood Categories (in feet)
Major Flood Stage: 8
Moderate Flood Stage: 7
Flood Stage: 5.5
Action Stage: 4.2
Low Stage (in feet): 0

Historic Crests
(1) 8.51 ft on 10/15/1953
(2) 8.05 ft on 10/11/1960
(3) 7.88 ft on 09/02/2008
(4) 7.38 ft on 10/04/2004
(5) 7.23 ft on 10/13/1948
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 7.23 ft on 09/23/2017
(2) 7.88 ft on 09/02/2008
(3) 7.38 ft on 10/04/2004
(4) 6.67 ft on 09/17/2004
(5) 5.74 ft on 09/25/2001
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) -0.22 ft on 05/07/2009
(2) -0.18 ft on 06/18/1989
Show More Low Water Records
Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
13 Water level rises in parking lots at Central Florida Regional Hospital and approaches New Tribes Mission in Sanford.
11 Water enters the Sailpoint Apartments, Lake Monroe Inn, City Hall and approaches the Courthouse in Sanford.
10.5 Water enters the Regatta Shores Apartments and Towne Center Apartments in Sanford.
10 Water enters the old Post Office and Sanford Landing Apartments in Sanford.
9.5 Water encroaches on Sanford Landing Apartments and other low lying structures along the waterfront.
9 Flooding becomes more signficant to the Sanford waterfront area. Water approaches low lying areas on the waterfront.
8 Flooding 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 Many 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 Water 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 Water 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 Water 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 Water encroaches on low lying roads, also pool enclosures and patios in the Stone Island area.
5.5 Water 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 No wake zone and parks closed along the river, also some boat ramps closed.
About This Location Collapse

Latitude: 28.837778° N, Longitude: 81.324444° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 5.5 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 0 ft 6 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:
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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Melbourne Weather Forecast Office
421 Croton Road
Melbourne, FL 32935
(321) 255-0212
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