SR A1A at 11th Street Canal in St Augustine Beach (in NAVD88)
Florida — Water Level & Flood Stage
Located in St. Johns County, Florida on the SR A1A. 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: SAAF1). Live data may be limited. View on NWS AHPS →
Flood Stages
Major Flood
7 ft
Moderate Flood
6 ft
Minor Flood
5 ft
Action Stage
4 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
SAAF1
River
SR A1A
County
St. Johns, FL
Coordinates
29.8519°N, 81.2788°W
Get Flood Alerts for SR A1A
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 SR A1A at 11th Street Canal in St Augustine Beach (in NAVD88)?
The SR A1A at 11th Street Canal in St Augustine Beach (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 SR A1A at 11th Street Canal in St Augustine Beach (in NAVD88)?
The NWS-defined flood stage for SR A1A at 11th Street Canal in St Augustine Beach (in NAVD88) is 5 feet. Action stage begins at 4 feet. Moderate flooding starts at 6 feet, and major flooding at 7 feet.
How do I get alerts when SR A1A rises?
Download StormCast free on Google Play, go to River Gauges, and add SR A1A at 11th Street Canal in St Augustine Beach (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 SR A1A at 11th Street Canal in St Augustine Beach (in NAVD88) gauge located?
The gauge is located in St. Johns County, Florida at coordinates 29.8519°N, 81.2788°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: Hohonu