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Hydrograph River at a Glance Download
St. Johns River near Sanford Stage (ft)Flow (kcfs)Observed: 0.8 ft at 12:00AM May 24, 2020Observed: 0.8 ft at 12:15AM May 24, 2020Observed: 0.81 ft at 12:30AM May 24, 2020Observed: 0.8 ft at 12:45AM May 24, 2020Observed: 0.8 ft at 1:00AM May 24, 2020Observed: 0.8 ft at 1:15AM May 24, 2020Observed: 0.8 ft at 1:30AM May 24, 2020Observed: 0.8 ft at 1:45AM May 24, 2020Observed: 0.8 ft at 2:00AM May 24, 2020Observed: 0.81 ft at 2:15AM May 24, 2020Observed: 0.8 ft at 2:30AM May 24, 2020Observed: 0.8 ft at 2:45AM May 24, 2020Observed: 0.79 ft at 3:00AM May 24, 2020Observed: 0.8 ft at 3:15AM May 24, 2020Observed: 0.8 ft at 3:30AM May 24, 2020Observed: 0.8 ft at 3:45AM May 24, 2020Observed: 0.8 ft at 4:00AM May 24, 2020Observed: 0.8 ft at 4:15AM May 24, 2020Observed: 0.8 ft at 4:30AM May 24, 2020Observed: 0.8 ft at 4:45AM May 24, 2020Observed: 0.8 ft at 5:00AM May 24, 2020Observed: 0.8 ft at 5:15AM May 24, 2020Observed: 0.8 ft at 5:30AM May 24, 2020Observed: 0.81 ft at 5:45AM May 24, 2020Observed: 0.79 ft at 6:00AM May 24, 2020Observed: 0.8 ft at 6:15AM May 24, 2020Observed: 0.8 ft at 6:30AM May 24, 2020Observed: 0.79 ft at 6:45AM May 24, 2020Observed: 0.79 ft at 7:00AM May 24, 2020Observed: 0.79 ft at 7:15AM May 24, 2020Observed: 0.79 ft at 7:30AM May 24, 2020Observed: 0.79 ft at 7:45AM May 24, 2020Observed: 0.78 ft at 8:00AM May 24, 2020Observed: 0.78 ft at 8:15AM May 24, 2020Observed: 0.79 ft at 8:30AM May 24, 2020Observed: 0.8 ft at 8:45AM May 24, 2020Observed: 0.8 ft at 9:00AM May 24, 2020Observed: 0.8 ft at 9:15AM May 24, 2020Observed: 0.8 ft at 9:30AM May 24, 2020Observed: 0.8 ft at 9:45AM May 24, 2020Observed: 0.8 ft at 10:00AM May 24, 2020Observed: 0.8 ft at 10:15AM May 24, 2020Observed: 0.8 ft at 10:30AM May 24, 2020Observed: 0.8 ft at 10:45AM May 24, 2020Observed: 0.81 ft at 11:00AM May 24, 2020Observed: 0.82 ft at 11:15AM May 24, 2020Observed: 0.81 ft at 11:30AM May 24, 2020Observed: 0.82 ft at 11:45AM May 24, 2020Observed: 0.82 ft at 12:00PM May 24, 2020Observed: 0.82 ft at 12:15PM May 24, 2020Observed: 0.82 ft at 12:30PM May 24, 2020Observed: 0.82 ft at 12:45PM May 24, 2020Observed: 0.84 ft at 1:00PM May 24, 2020Observed: 0.82 ft at 1:15PM May 24, 2020Observed: 0.84 ft at 1:30PM May 24, 2020Observed: 0.85 ft at 1:45PM May 24, 2020Observed: 0.84 ft at 2:00PM May 24, 2020Observed: 0.84 ft at 2:15PM May 24, 2020Observed: 0.84 ft at 2:30PM May 24, 2020Observed: 0.85 ft at 2:45PM May 24, 2020Observed: 0.85 ft at 3:00PM May 24, 2020Observed: 0.85 ft at 3:15PM May 24, 2020Observed: 0.88 ft at 3:30PM May 24, 2020Observed: 0.86 ft at 3:45PM May 24, 2020Observed: 0.82 ft at 4:00PM May 24, 2020Observed: 0.87 ft at 4:15PM May 24, 2020Observed: 0.89 ft at 4:30PM May 24, 2020Observed: 0.88 ft at 4:45PM May 24, 2020Observed: 0.85 ft at 5:00PM May 24, 2020Observed: 0.84 ft at 5:15PM May 24, 2020Observed: 0.88 ft at 5:30PM May 24, 2020Observed: 0.86 ft at 5:45PM May 24, 2020Observed: 0.85 ft at 6:00PM May 24, 2020Observed: 0.85 ft at 6:15PM May 24, 2020Observed: 0.85 ft at 6:30PM May 24, 2020Observed: 0.84 ft at 6:45PM May 24, 2020Observed: 0.82 ft at 7:00PM May 24, 2020Observed: 0.84 ft at 7:15PM May 24, 2020Observed: 0.82 ft at 7:30PM May 24, 2020Observed: 0.82 ft at 7:45PM May 24, 2020Observed: 0.81 ft at 8:00PM May 24, 2020Observed: 0.82 ft at 8:15PM May 24, 2020Observed: 0.81 ft at 8:30PM May 24, 2020Observed: 0.8 ft at 8:45PM May 24, 2020Observed: 0.81 ft at 9:00PM May 24, 2020Observed: 0.81 ft at 9:15PM May 24, 2020Observed: 0.79 ft at 9:30PM May 24, 2020Observed: 0.79 ft at 9:45PM May 24, 2020Observed: 0.8 ft at 10:00PM May 24, 2020Observed: 0.79 ft at 10:15PM May 24, 2020Observed: 0.78 ft at 10:30PM May 24, 2020Observed: 0.78 ft at 10:45PM May 24, 2020Observed: 0.78 ft at 11:00PM May 24, 2020Observed: 0.78 ft at 11:15PM May 24, 2020Observed: 0.78 ft at 11:30PM May 24, 2020Observed: 0.78 ft at 11:45PM May 24, 2020Observed: 0.8 ft at 12:00AM May 25, 2020Observed: 0.8 ft at 12:15AM May 25, 2020Observed: 0.8 ft at 12:30AM May 25, 2020Observed: 0.8 ft at 12:45AM May 25, 2020Observed: 0.8 ft at 1:00AM May 25, 2020Observed: 0.8 ft at 1:15AM May 25, 2020Observed: 0.79 ft at 1:30AM May 25, 2020Observed: 0.79 ft at 1:45AM May 25, 2020Observed: 0.78 ft at 2:00AM May 25, 2020Observed: 0.78 ft at 2:15AM May 25, 2020Observed: 0.78 ft at 2:30AM May 25, 2020Observed: 0.78 ft at 2:45AM May 25, 2020Observed: 0.78 ft at 3:00AM May 25, 2020Observed: 0.78 ft at 3:15AM May 25, 2020Observed: 0.78 ft at 3:30AM May 25, 2020Observed: 0.78 ft at 3:45AM May 25, 2020Observed: 0.78 ft at 4:00AM May 25, 2020Observed: 0.77 ft at 4:15AM May 25, 2020Observed: 0.78 ft at 4:30AM May 25, 2020Observed: 0.79 ft at 4:45AM May 25, 2020Observed: 0.78 ft at 5:00AM May 25, 2020Observed: 0.78 ft at 5:15AM May 25, 2020Observed: 0.78 ft at 5:30AM May 25, 2020Observed: 0.8 ft at 5:45AM May 25, 2020Observed: 0.8 ft at 6:00AM May 25, 2020Observed: 0.79 ft at 6:15AM May 25, 2020Observed: 0.8 ft at 6:30AM May 25, 2020Observed: 0.79 ft at 6:45AM May 25, 2020Observed: 0.78 ft at 7:00AM May 25, 2020Observed: 0.8 ft at 7:15AM May 25, 2020Observed: 0.81 ft at 7:30AM May 25, 2020Observed: 0.8 ft at 7:45AM May 25, 2020Observed: 0.8 ft at 8:00AM May 25, 2020Observed: 0.79 ft at 8:15AM May 25, 2020Observed: 0.78 ft at 8:30AM May 25, 2020Observed: 0.79 ft at 8:45AM May 25, 2020Observed: 0.8 ft at 9:00AM May 25, 2020Observed: 0.79 ft at 9:15AM May 25, 2020Observed: 0.8 ft at 9:30AM May 25, 2020Observed: 0.78 ft at 9:45AM May 25, 2020Observed: 0.78 ft at 10:00AM May 25, 2020Observed: 0.8 ft at 10:15AM May 25, 2020Observed: 0.8 ft at 10:30AM May 25, 2020Observed: 0.8 ft at 10:45AM May 25, 2020Observed: 0.78 ft at 11:00AM May 25, 2020Observed: 0.83 ft at 11:15AM May 25, 2020Observed: 0.84 ft at 11:30AM May 25, 2020Observed: 0.91 ft at 11:45AM May 25, 2020Observed: 0.82 ft at 12:00PM May 25, 2020Observed: 0.78 ft at 12:15PM May 25, 2020Observed: 0.89 ft at 12:30PM May 25, 2020Observed: 0.86 ft at 12:45PM May 25, 2020Observed: 0.83 ft at 1:00PM May 25, 2020Observed: 0.81 ft at 1:15PM May 25, 2020Observed: 0.84 ft at 1:30PM May 25, 2020Observed: 0.86 ft at 1:45PM May 25, 2020Observed: 0.89 ft at 2:00PM May 25, 2020Observed: 0.94 ft at 2:15PM May 25, 2020Observed: 0.87 ft at 2:30PM May 25, 2020Observed: 0.8 ft at 2:45PM May 25, 2020Observed: 0.87 ft at 3:00PM May 25, 2020Observed: 0.84 ft at 3:15PM May 25, 2020Observed: 0.97 ft at 3:30PM May 25, 2020Observed: 0.93 ft at 3:45PM May 25, 2020Observed: 0.96 ft at 4:00PM May 25, 2020Highest Observation: 0.98 ft at 4:15PM May 25, 2020Observed: 0.84 ft at 4:30PM May 25, 2020Observed: 0.89 ft at 4:45PM May 25, 2020Observed: 0.91 ft at 5:00PM May 25, 2020Observed: 0.92 ft at 5:15PM May 25, 2020Observed: 0.97 ft at 5:30PM May 25, 2020Observed: 0.96 ft at 5:45PM May 25, 2020Observed: 0.89 ft at 6:00PM May 25, 2020Observed: 0.92 ft at 6:15PM May 25, 2020Observed: 0.92 ft at 6:30PM May 25, 2020Observed: 0.93 ft at 6:45PM May 25, 2020Observed: 0.93 ft at 7:00PM May 25, 2020Observed: 0.9 ft at 7:15PM May 25, 2020Observed: 0.92 ft at 7:30PM May 25, 2020Observed: 0.88 ft at 7:45PM May 25, 2020Observed: 0.81 ft at 8:00PM May 25, 2020Observed: 0.86 ft at 8:15PM May 25, 2020Observed: 0.92 ft at 8:30PM May 25, 2020Observed: 0.86 ft at 8:45PM May 25, 2020Observed: 0.84 ft at 9:00PM May 25, 2020Observed: 0.85 ft at 9:15PM May 25, 2020Observed: 0.82 ft at 9:30PM May 25, 2020Observed: 0.78 ft at 9:45PM May 25, 2020Observed: 0.81 ft at 10:00PM May 25, 2020Observed: 0.82 ft at 10:15PM May 25, 2020Observed: 0.78 ft at 10:30PM May 25, 2020Observed: 0.8 ft at 10:45PM May 25, 2020Observed: 0.84 ft at 11:00PM May 25, 2020Observed: 0.81 ft at 11:15PM May 25, 2020Observed: 0.79 ft at 11:30PM May 25, 2020Observed: 0.78 ft at 11:45PM May 25, 2020Observed: 0.83 ft at 12:00AM May 26, 2020Observed: 0.85 ft at 12:15AM May 26, 2020Observed: 0.78 ft at 12:30AM May 26, 2020Observed: 0.78 ft at 12:45AM May 26, 2020Observed: 0.82 ft at 1:00AM May 26, 2020Observed: 0.81 ft at 1:15AM May 26, 2020Observed: 0.82 ft at 1:30AM May 26, 2020Observed: 0.8 ft at 1:45AM May 26, 2020Observed: 0.78 ft at 2:00AM May 26, 2020Observed: 0.78 ft at 2:15AM May 26, 2020Observed: 0.78 ft at 2:30AM May 26, 2020Observed: 0.79 ft at 2:45AM May 26, 2020Observed: 0.79 ft at 3:00AM May 26, 2020Observed: 0.79 ft at 3:15AM May 26, 2020Observed: 0.79 ft at 3:30AM May 26, 2020Observed: 0.79 ft at 3:45AM May 26, 2020Observed: 0.79 ft at 4:00AM May 26, 2020Observed: 0.78 ft at 4:15AM May 26, 2020Observed: 0.79 ft at 4:30AM May 26, 2020Observed: 0.8 ft at 4:45AM May 26, 2020Observed: 0.8 ft at 5:00AM May 26, 2020Observed: 0.8 ft at 5:15AM May 26, 2020Observed: 0.8 ft at 5:30AM May 26, 2020Observed: 0.8 ft at 5:45AM May 26, 2020Observed: 0.8 ft at 6:00AM May 26, 2020Observed: 0.79 ft at 6:15AM May 26, 2020Observed: 0.8 ft at 6:30AM May 26, 2020Observed: 0.79 ft at 6:45AM May 26, 2020Observed: 0.79 ft at 7:00AM May 26, 2020Observed: 0.78 ft at 7:15AM May 26, 2020Observed: 0.79 ft at 7:30AM May 26, 2020Observed: 0.79 ft at 7:45AM May 26, 2020Observed: 0.8 ft at 8:00AM May 26, 2020Observed: 0.79 ft at 8:15AM May 26, 2020Observed: 0.77 ft at 8:30AM May 26, 2020Observed: 0.8 ft at 8:45AM May 26, 2020Observed: 0.79 ft at 9:00AM May 26, 2020Observed: 0.78 ft at 9:15AM May 26, 2020Observed: 0.78 ft at 9:30AM May 26, 2020Observed: 0.78 ft at 9:45AM May 26, 2020Observed: 0.78 ft at 10:00AM May 26, 2020Observed: 0.78 ft at 10:15AM May 26, 2020Observed: 0.78 ft at 10:30AM May 26, 2020Observed: 0.78 ft at 10:45AM May 26, 2020Observed: 0.78 ft at 11:00AM May 26, 2020Observed: 0.78 ft at 11:15AM May 26, 2020Observed: 0.77 ft at 11:30AM May 26, 2020Observed: 0.78 ft at 11:45AM May 26, 2020Observed: 0.77 ft at 12:00PM May 26, 2020Observed: 0.78 ft at 12:15PM May 26, 2020Observed: 0.78 ft at 12:30PM May 26, 2020Observed: 0.78 ft at 12:45PM May 26, 2020Observed: 0.78 ft at 1:00PM May 26, 2020Observed: 0.78 ft at 1:15PM May 26, 2020Observed: 0.79 ft at 1:30PM May 26, 2020Observed: 0.79 ft at 1:45PM May 26, 2020Observed: 0.81 ft at 2:00PM May 26, 2020Observed: 0.8 ft at 2:15PM May 26, 2020Observed: 0.81 ft at 2:30PM May 26, 2020Observed: 0.82 ft at 2:45PM May 26, 2020Observed: 0.81 ft at 3:00PM May 26, 2020Observed: 0.82 ft at 3:15PM May 26, 2020Observed: 0.82 ft at 3:30PM May 26, 2020Observed: 0.83 ft at 3:45PM May 26, 2020Observed: 0.82 ft at 4:00PM May 26, 2020Observed: 0.83 ft at 4:15PM May 26, 2020Observed: 0.84 ft at 4:30PM May 26, 2020Observed: 0.84 ft at 4:45PM May 26, 2020Observed: 0.84 ft at 5:00PM May 26, 2020Observed: 0.85 ft at 5:15PM May 26, 2020Observed: 0.84 ft at 5:30PM May 26, 2020Observed: 0.8 ft at 5:45PM May 26, 2020Observed: 0.84 ft at 6:00PM May 26, 2020Observed: 0.93 ft at 6:15PM May 26, 2020Observed: 0.86 ft at 6:30PM May 26, 2020Observed: 0.87 ft at 6:45PM May 26, 2020Observed: 0.87 ft at 7:00PM May 26, 2020Observed: 0.89 ft at 7:15PM May 26, 2020Observed: 0.88 ft at 7:30PM May 26, 2020Observed: 0.88 ft at 7:45PM May 26, 2020Observed: 0.89 ft at 8:00PM May 26, 2020Observed: 0.91 ft at 8:15PM May 26, 2020Observed: 0.88 ft at 8:30PM May 26, 2020Observed: 0.88 ft at 8:45PM May 26, 2020Observed: 0.9 ft at 9:00PM May 26, 2020Observed: 0.89 ft at 9:15PM May 26, 2020Observed: 0.88 ft at 9:30PM May 26, 2020Observed: 0.89 ft at 9:45PM May 26, 2020Observed: 0.89 ft at 10:00PM May 26, 2020Observed: 0.89 ft at 10:15PM May 26, 2020Observed: 0.89 ft at 10:30PM May 26, 2020USGS--Water Resources of the United StatesSNFF1(plotting HGIRG) Graph Created (11:45PM May 26, 2020)ObservedLatest observed value: 0.89 ft at 10:30 PM EDT 26-May-2020. Flood Stage is 5.5 ft
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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 09/23/2017
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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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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