River gauges›Florida
RIVER GAUGE · ST. MARYS RIVER

St. Marys River near Macclenny

Baker County, Florida

Water level4.41 ft
Flow188 cfs
Last readingSep 16, 2026, 4:45 PM UTC (last recorded)
Action10 ft
Minor flood12 ft
Moderate flood15 ft
Major flood19 ft

The past week

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What floods at each level

Highest crests on record

DateLevelFlow
Jun 27, 201224.38 ft34,800 cfs
Sep 12, 196423.25 ft26,000 cfs
Apr 4, 197322.86 ft28,000 cfs

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