TidalMapManokin Branch near Princess Anne, MD 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 01486000 sits on Manokin Branch and reads everything draining 4.8 square miles of the Tangier basin. Its datum sits 6 feet above sea level NAVD88. Daily flow has been on record here since 1951, 71 years of it.
Normal flows here
Manokin Branch runs a median of 1.9 cfs at this gauge across 71 years of record. March is the fullest month at a median 6.2 cfs, and September the leanest at 0.7 cfs. The highest daily mean on record is 255 cfs in 1998, and the lowest is 0.0 cfs in 1966.
| Month | Median flow | Share of annual median |
|---|---|---|
| Jan | 5.2 cfs | 274% |
| Feb | 6.0 cfs | 316% |
| Mar | 6.2 cfs | 326% |
| Apr | 4.5 cfs | 239% |
| May | 2.3 cfs | 121% |
| Jun | 1.4 cfs | 74% |
| Jul | 0.8 cfs | 44% |
| Aug | 0.8 cfs | 44% |
| Sep | 0.7 cfs | 36% |
| Oct | 0.7 cfs | 38% |
| Nov | 1.2 cfs | 63% |
| Dec | 3.5 cfs | 184% |
Medians from the USGS daily-statistics record, 1951 to 2025. A month at 100% is running at its own long-term median.
Flood stages and record crests
The highest crest on record is 7.9 feet, in September 2016.
| When | Crest |
|---|---|
| September 2016 | 7.9 ft |
| December 2020 | 6.6 ft |
| December 2023 | 6.5 ft |
| March 1994 | 6.3 ft |
| January 1998 | 6.2 ft |
Flood categories and crest history from the NOAA National Water Prediction Service, gauge MNBM2. Stages are gage height, not depth. Not for navigation.
Nearby river gauges
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Live streamflow and gage height: USGS gauge 01486000. Percentile context computed against the gauge's period of record. Not for navigation.
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