TidalMapPascagoula River at Merrill, MS Water Level Today
NWS river forecast
| When | Stage | Flow |
|---|
Forecast from the NOAA National Water Prediction Service. Issued a few times a day and only while a forecast is active. Not for navigation.
Last 30 days
About this gauge
USGS gauge 02479000 sits on the Pascagoula River and reads everything draining 6,590 square miles of the Pascagoula basin. Its datum sits 26 feet above sea level NAVD88. Daily flow has been on record here since 1931, 95 years of it.
Where this gauge sits in the drainage
Two gauged sites sit upstream of here. The closest is Leaf River near Mclain, MS, reading 3,495 square miles. This gauge adds the 3,095 square miles that drain in between. Downstream the next reading comes from Pascagoula River at Graham Ferry, MS at 8,204 square miles, so what passes this gauge is about 80% of the water measured there.
Normal flows here
The Pascagoula River runs a median of 4,100 cfs at this gauge across 95 years of record. March is the fullest month at a median 15,200 cfs, and October the leanest at 1,990 cfs. The highest daily mean on record is 176,000 cfs in 1961, and the lowest is 648 cfs in 2001.
| Month | Median flow | Share of annual median |
|---|---|---|
| Jan | 10,200 cfs | 249% |
| Feb | 14,600 cfs | 356% |
| Mar | 15,200 cfs | 371% |
| Apr | 12,950 cfs | 316% |
| May | 5,790 cfs | 141% |
| Jun | 3,460 cfs | 84% |
| Jul | 3,390 cfs | 83% |
| Aug | 3,000 cfs | 73% |
| Sep | 2,180 cfs | 53% |
| Oct | 1,990 cfs | 49% |
| Nov | 2,430 cfs | 59% |
| Dec | 5,920 cfs | 144% |
Medians from the USGS daily-statistics record, 1931 to 2025. A month at 100% is running at its own long-term median.
Flood stages and record crests
The Pascagoula River reaches flood stage at this gauge at 22 feet. NWS starts watching it at 12.5 feet. The highest crest on record is 32.5 feet, in April 1900.
| Category | Gage height |
|---|---|
| Action | 12.5 ft |
| Minor flooding | 22 ft |
| Moderate flooding | 25 ft |
| Major flooding | 32 ft |
| When | Crest |
|---|---|
| April 1900 | 32.5 ft |
| July 1916 | 31 ft |
| February 1961 | 30.7 ft |
| April 1912 | 30.2 ft |
| April 1938 | 29.7 ft |
Flood categories and crest history from the NOAA National Water Prediction Service, gauge MRRM6. Stages are gage height, not depth. Not for navigation.
Nearby river gauges
- Leaf River near Mclain, MS
- Chickasawhay River at Leakesville, MS
- Red Creek at Vestry, MS
- Cypress Creek near Janice, MS
- Escatawpa River near Wilmer, AL
- Pascagoula River at Graham Ferry, MS
- Leaf River near New Augusta, MS
- Big Creek at County Rd 63 near Wilmer, AL
- Crooked Creek near Fairview, AL
- Big Creek near Seven Hills AL
- Black Creek near Brooklyn, MS
- Hamilton Creek at Snow Road near Semmes, AL
Live streamflow and gage height: USGS gauge 02479000. Percentile context computed against the gauge's period of record. Not for navigation.
Open Pascagoula River at Merrill, MS on the live chart →
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