St Marks River above Natural Bridge Road (in NAVD88)
Florida — Water Level & Flood Stage
Located in Leon County, Florida on the St Marks River. Live water level data from USGS, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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This is an NWS forecast point (LID: NBRF1). Live data may be limited. View on NWS AHPS →
Flood Stages
Major Flood
14.5 ft
Moderate Flood
12.5 ft
Minor Flood
11.5 ft
Action Stage
11 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Low-Water Impacts
5 ft
Stage needed to inundate designated Gulf Sturgeon critical habitat below Jim Woodruff Lock and Dam.
3 ft
Temporary (not sustainable) operating level for of Scholz Power Plant
What happens as water levels drop, per the National Weather Service.
7-Day Water Level Chart
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About This Gauge
NWS LID
NBRF1
River
St Marks River
County
Leon, FL
Coordinates
30.2897°N, 84.1494°W
Get Flood Alerts for St Marks River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of St Marks River above Natural Bridge Road (in NAVD88)?
The St Marks River above Natural Bridge Road (in NAVD88) gauge is maintained by USGS and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for St Marks River above Natural Bridge Road (in NAVD88)?
The NWS-defined flood stage for St Marks River above Natural Bridge Road (in NAVD88) is 11.5 feet. Action stage begins at 11 feet. Moderate flooding starts at 12.5 feet, and major flooding at 14.5 feet.
How do I get alerts when St Marks River rises?
Download StormCast free on Google Play, go to River Gauges, and add St Marks River above Natural Bridge Road (in NAVD88) to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the St Marks River above Natural Bridge Road (in NAVD88) gauge located?
The gauge is located in Leon County, Florida at coordinates 30.2897°N, 84.1494°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: Courtesy of NWFWMD