North Prong St. Marys River at Moniac, GA
Is North Prong St. Marys River at Moniac, GA flooding right now?
North Prong St. Marys River at Moniac, GA measured 4.59 ft on 2026-09-22 19:45:00 UTC. That observation was 7.4 ft below its 12 ft flood stage. This is the latest available reading, not a guarantee of current conditions.
Gauge height
4.59 ft
Streamflow
3 cfs
Minor flooding here begins at 12 ft, with major flooding at 17 ft. The highest crest on record was 22.98 ft on Thu, Apr 5, 1973.
Streamflow outlook
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 10 ft | 5.4 ft below |
| Minor flood | 12 ft | 7.4 ft below |
| Moderate flood | 15 ft | 10.4 ft below |
| Major flood | 17 ft | 12.4 ft below |
Highest crests on record
| Stage | Date |
|---|---|
| 22.98 ft | 1973-04-05 |
| 19.9 ft | 1928-09-19 |
| 19.15 ft | 2008-08-24 |
| 18.69 ft | 2012-06-28 |
| 18.41 ft | 1964-09-13 |
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| St. Marys River near Macclenny, FL | 14.1 mi | Baker County |
| St Marys River at Ferry Landing near Folkston, GA | 22.0 mi | Charlton County |
| Suwannee River above Fargo, GA | 22.5 mi | Clinch County |
| Suwannee River at US 441, at Fargo, GA | 22.6 mi | Clinch County |
| Suwannee River at Sill near Fargo, GA | 22.7 mi | Charlton County |
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Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.