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Weather Forecast Office Tallahassee, FL

Southeast River Forecast Center

Hydrograph

River at a Glance

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NOTE: Water levels are referenced to the Mean Higher High Water (MHHW) Datum. This datum can be used to approximate sea water inundation of normally dry ground near the coast. For specific impacts, please refer to the statements on this page. NOTE: Gauge reading affected by tides. NOTE: Forecasts for the Gulf of Mexico Tide Gauge at Shell Point (In MHHW) are issued routinely year-round.

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Flood Categories (in feet) Major Flood Stage: 6 Moderate Flood Stage: 4 Flood Stage: 3.2 Action Stage: 1.7 Low Stage (in feet): -5.1 Historic Crests (1) 8.28 ft on 10/10/2018 (2) 6.01 ft on 09/01/2016 (3) 3.20 ft on 05/28/2018 (4) 3.13 ft on 10/08/2017 (5) 3.00 ft on 06/06/2016 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 2.14 ft on 01/03/2022 (2) 2.41 ft on 08/16/2021 (3) 8.28 ft on 10/10/2018 (4) 3.20 ft on 05/28/2018 (5) 3.13 ft on 10/08/2017 Show More Recent Crests (P): Preliminary values subject to further review. Low Water Records Currently none available. For more information on your flood risk go to www.floodsmart.gov. Show FEMA's National Flood Hazard Layers FEMA's National Flood Hazard Layers not showing? Why aren't the FEMA National Flood Hazard Layers showing on the ESRI Map? Possible reasons: There are no FEMA National Flood Hazard Layers for the location which you are viewing on ESRI Maps. The FEMA Web Mapping Service (WMS) is down. Note: Your zoom level may have changed. ESRI's zoom levels must be between 14 and 16 to show National Flood Hazard layers.

Zoom Level:14 Legend FEMA Layer Gauge Location 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

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12	Flooding of historic proportions in Shell Point and Live Oak Island. Water will be up to 9 ft deep in some areas. Further inland, homes south of US-98 near Wakulla Beach Road flood. Portions of US-98 east of Spring Creek Highway flood at this level.
9	Catastrophic flooding at Shell Point and Live Oak Island. Much of the area is flooded up to 6 feet deep. Any structures not elevated will suffer significant damage and possible destruction due to wave action.
6	Significant flooding at Shell Point and Live Oak Island. Access to the area becomes impossible. Water covers the area up to 3 feet deep in places. Structures not elevated suffer significant damage.
5	Much of Shell Point and Live Oak Island are flooded by water 1 to 2 feet deep. Structures not elevated flood at this level.
4	Water floods yards of homes in Shell Point. Structures not elevated are subject to flooding above this level. Shell Point Road begins to flood south of Kornegay Way, restricting access to the area.
3.5	Live Oak Island Road begins to flood near Creek Road.
3.2	Water will reach the top of the canals at Shell Point. Water will wash under homes on the south side of Beatty Taff Drive.
Photos (1) Beach view to the east across the street from gauge (2) Gauge platform on canal near beach access.

About This Location

Latitude: 30.060000° N, Longitude: 84.290556° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 3.2 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 +1.63 4.8 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks Other 0.00 3.2 Mean Higher High Water - used to approximate inundation

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary SERFC Precipitation Frequency Inundation Mapping Locations Drought Monitor

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management River Monitor - Tallahassee River Monitor - Jacksonville

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