Santee River at Lake Marion
Critical Stages
76' - Action
77' - Flood
77.1' - Moderate
77.5' - Major
Latest Observation
Updated: 10:45 PM EST 12/16/25
Status: No Flooding
Stage: 74.67 ft
Flow: -999 kcfs
Forecast
Forecast not available for this location.
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 11:45 PM 12/16 | 74.66 | -999 |
| 11:30 PM 12/16 | 74.66 | -999 |
| 11:15 PM 12/16 | 74.67 | -999 |
| 11:00 PM 12/16 | 74.67 | -999 |
| 10:45 PM 12/16 | 74.67 | -999 |
| 10:30 PM 12/16 | 74.67 | -999 |
| 10:15 PM 12/16 | 74.67 | -999 |
| 10:00 PM 12/16 | 74.67 | -999 |
| 9:45 PM 12/16 | 74.67 | -999 |
| 9:30 PM 12/16 | 74.67 | -999 |
| 9:15 PM 12/16 | 74.67 | -999 |
| 9:00 PM 12/16 | 74.67 | -999 |
| 8:45 PM 12/16 | 74.68 | -999 |
| 8:30 PM 12/16 | 74.68 | -999 |
| 8:15 PM 12/16 | 74.68 | -999 |
| 8:00 PM 12/16 | 74.68 | -999 |
| 7:45 PM 12/16 | 74.68 | -999 |
| 7:30 PM 12/16 | 74.69 | -999 |
| 7:15 PM 12/16 | 74.69 | -999 |
| 7:00 PM 12/16 | 74.69 | -999 |
| 6:45 PM 12/16 | 74.69 | -999 |
| 6:30 PM 12/16 | 74.69 | -999 |
| 6:15 PM 12/16 | 74.69 | -999 |
| 6:00 PM 12/16 | 74.68 | -999 |
| 5:45 PM 12/16 | 74.68 | -999 |
| 5:30 PM 12/16 | 74.68 | -999 |
| 5:15 PM 12/16 | 74.68 | -999 |
| 5:00 PM 12/16 | 74.68 | -999 |
| 4:45 PM 12/16 | 74.68 | -999 |
| 4:30 PM 12/16 | 74.68 | -999 |
77.5' -
Structures on the shore of Lake Marion and low lying islands are threaten by flood water.
77.09' -
Flood water approaches roads nearest the lake.
77' -
Flood stage - areas and beaches on Lake Marion begin to flood.
76.8' -
Full pool
76' -
Swamps in the upper reaches of Lake Marion begin to fill.
| Date | Stage (ft) |
|---|---|
| Dec 19, 2009 | 76.76 |
| Dec 15, 2009 | 76.65 |
| Dec 25, 2009 | 76.64 |
| Feb 17, 2010 | 76.62 |
| Nov 22, 2009 | 76.61 |
| Feb 2, 2010 | 76.61 |
| Jan 5, 2010 | 76.6 |
| Dec 9, 2009 | 76.6 |
| Jan 25, 2010 | 76.17 |
Data provided by the National Weather Service.