Major Flood
5 ft
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: SRMF1). Live data may be limited. View on NWS AHPS →
FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
3 ft
Minor Flood
2 ft
Action Stage
1.5 ft
What Floods at Each Level
10 ft
Widespread flooding throughout St. Marks.
8 ft
The Purdom Generating Station floods.
7 ft
Parking lots at the Purdom Generating Station begin to flood.
5 ft
Widespread flooding of St. Marks south of Shell Island Road.
4 ft
MAny businesses in St. Marks south of DeSoto Drive begin to flood.
3 ft
Widespread inundation south of Forbes Street and also west of Fire Escape Road. Non-elevated businesses south of Howard Street begin to flood.
2.5 ft
Flooding begins along Yacht Drive and Old Fort Road. Water begins impacting some businesses along Riverside Drive. Water approaches homes west of Fire Escape Road.
2 ft
Minor flooding begins at San Marcos de Apalache Historic State Park and the St. Marks Yacht Club.
1.5 ft
Wetland flooding begins between the St. Marks Yacht Club and San Marcos de Apalache Historic State Park.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Sep 27, 2024 | 4.85 ft | — |
About This Gauge
NWS LID
SRMF1
River
St Marks River
County
Wakulla, FL
Coordinates
30.1753°N, 84.1898°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 near Rivers Edge Road (in MHHW)?
The St Marks River near Rivers Edge Road (in MHHW) 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 near Rivers Edge Road (in MHHW)?
The NWS-defined flood stage for St Marks River near Rivers Edge Road (in MHHW) is 2 feet. Action stage begins at 1.5 feet. Moderate flooding starts at 3 feet, and major flooding at 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 near Rivers Edge Road (in MHHW) to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the St Marks River near Rivers Edge Road (in MHHW) gauge located?
The gauge is located in Wakulla County, Florida at coordinates 30.1753°N, 84.1898°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on St Marks River
More Resources
Source & Notes
Data provided by: Courtesy of Florida Department of Environmental Protection
- 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.