St. Marys River at Interstate 95, GA
River level and flood forecast · Camden County
Normal-1.3 ftas of Mon 3:15 PM
The river is 2.3 ft below flood stage (1 ft).
Flow: 22,400 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 7 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 3 ft |
| Moderate flood stage | 1.5 ft |
| Flood stage | 1 ft |
| Action stage | 0.5 ft |
| Record crest (October 7, 2016) | 2.79 ft |
What floods at each level
From the National Weather Service, highest first.
- 3 ftEXTENSIVE INUNDATION OF STRUCTURES AND ROADS IN THE AREA. EVACUATIONS OF PEOPLE OR TRANSFER OF PROPERTY TO HIGHER GROUND IS LIKELY.
- 1.5 ftSOME INUNDATION OF STRUCTURES AND ROADS ALONG THE RIVER BASIN IS EXPECTED. EVACUATIONS OF PEOPLE OR PROPERTY TO HIGHER GROUND IS POSSIBLE.
- 1 ftFLOODING OF LOW LYING ROADS AND CAMPGROUNDS POSSIBLE. SOME BOAT RAMPS AND DOCKS ALONG THE RIVER MAY BEGIN TO FLOOD.
- 0.5 ftSHOULD WATER LEVELS CONTINUE RISING, PREPARATIONS TO PROTECT PROPERTY SHOULD BEGIN.
Highest crests on record
- 2.79 ft — October 7, 2016
- 1.9 ft — September 21, 2020
- 1.79 ft — September 20, 2020
- 1.77 ft — November 7, 2021
- 1.76 ft — November 6, 2021
Recent crests: 1.01 ft (September 24, 2026) · 1.11 ft (September 8, 2026) · 1.06 ft (October 12, 2025) · 1.7 ft (October 11, 2025) · 1.23 ft (October 11, 2025)
Up and down the river, and nearby
- Atlantic Coast at Sea Camp Dock on Cumberland Island, GA
- Nassau River near Tisonia, FL
- Satilla River at Woodbine, GA
- Thomas Creek (FL) at SR 115 near Callahan, FL
- Dunn Creek at Dunn Creek Road, FL
- Broward River below Biscayne Boulevard, FL
- Clapboard Creek near Sheffield Road, FL
- St. Marys River at Traders Hill, GA
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (KLNG1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.