RIVER GAUGE · SR A1A
SR A1A at 11th Street Canal in St Augustine Beach (in NAVD88)
St. Johns County, Florida
Water level1.98 ft
Flow—
Last readingSep 16, 2026, 4:59 PM UTC (last recorded)
Action4 ft
Minor flood5 ft
Moderate flood6 ft
Major flood7 ft
The past week
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When the water runs low
- 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
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