TidalMapBirch Branch at Showell, 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 0148471320 sits on Birch Branch and reads everything draining 6.4 square miles of the Chincoteague basin. Its datum sits 1 feet below sea level NAVD88. Daily flow has been on record here since 2000, 27 years of it.
Normal flows here
Birch Branch runs a median of 3.2 cfs at this gauge across 27 years of record. February is the fullest month at a median 7.4 cfs, and August the leanest at 1.1 cfs. The highest daily mean on record is 667 cfs in 2013, and the lowest is 0.1 cfs in 2002.
| Month | Median flow | Share of annual median |
|---|---|---|
| Jan | 6.6 cfs | 203% |
| Feb | 7.4 cfs | 228% |
| Mar | 6.9 cfs | 212% |
| Apr | 5.2 cfs | 158% |
| May | 3.0 cfs | 92% |
| Jun | 1.9 cfs | 58% |
| Jul | 1.3 cfs | 40% |
| Aug | 1.1 cfs | 34% |
| Sep | 1.1 cfs | 34% |
| Oct | 2.0 cfs | 62% |
| Nov | 3.3 cfs | 102% |
| Dec | 5.5 cfs | 169% |
Medians from the USGS daily-statistics record, 2000 to 2026. A month at 100% is running at its own long-term median.
Flood stages and record crests
The highest crest on record is 10.7 feet, in August 2012.
| When | Crest |
|---|---|
| August 2012 | 10.7 ft |
| August 2017 | 10.2 ft |
| October 2012 | 10.2 ft |
| August 2013 | 10 ft |
| December 2020 | 10 ft |
Flood categories and crest history from the NOAA National Water Prediction Service, gauge BBSM2. Stages are gage height, not depth. Not for navigation.
Nearby river gauges
- Pocomoke River near Willards, MD
- Nassawango Creek near Snow Hill, MD
- Manokin Branch near Princess Anne, MD
- Chicamacomico River near Salem, MD
- Choptank River near Greensboro, MD
- Tuckahoe Creek near Ruthsburg, MD
- Sallie Harris Creek near Carmichael, MD
- Unicorn Branch near Millington, MD
- Chesterville Branch near Crumpton, MD
- Morgan Creek near Kennedyville, MD
- St Marys River at Great Mills, MD
- Big Elk Creek at Elk Mills, MD
Live streamflow and gage height: USGS gauge 0148471320. Percentile context computed against the gauge's period of record. Not for navigation.
Open Birch Branch at Showell, MD on the live chart →
River pins, dam-release overlays and wadability lines live in the app, start a free TidalMap trial.