St Marks River above Natural Bridge Road (in NAVD88) Water Level

Current Water Level

Gage Height

Streamflow

Last Reading

This is an NWS forecast point (LID: NBRF1). 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.

Major Flood

14.5 ft

Moderate Flood

12.5 ft

Minor Flood

11.5 ft

Action Stage

11 ft

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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View Official NWS Hydrograph →

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.

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.

More Gauges on St Marks River

St Marks River at Leckinger (in NAVD88) St Marks River at San Marcos State Park (in MHHW) St Marks River near Rivers Edge Road (in MHHW) St Marks River at US-98 (in NAVD88)

More Resources

Florida River Gauges River Level App Flood Alerts Understanding River Flood Levels Flash Flood Warnings Tornado Alerts

Source & Notes

Data provided by: Courtesy of NWFWMD

St Marks River above Natural Bridge Road (in NAVD88) Water Level & Flood Stage.