Major Flood
4.2 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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This is an NWS forecast point (LID: BISM2). Live data may be limited. View on NWS AHPS →
FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
3.7 ft
Minor Flood
3.2 ft
Action Stage
3 ft
What Floods at Each Level
4.25 ft
Severe flooding will cause extensive inundation and flooding of numerous roads and buildings resulting in a significant threat to property and life. Water will be 2 to 3 feet or more above ground level in some areas. Severe flooding will extend inland from the waterfront and shoreline flooding homes, businesses and isolating some neighborhoods. Numerous Homes are surrounded by up to 1 FT of water along Bishops Head Rd, Crocheron Rd and Lakesville-Crapo Rd.
3.75 ft
Widespread flooding of vulnerable areas will result in an elevated threat of property damage to homes and businesses near the waterfront and shoreline. Water will be 1 to 2 feet above ground level in some areas resulting in a sufficient depth to close numerous roads and threaten homes and businesses. Water is up to the steps of the Kathy Noonan Center and the Parking Lot at the Marina on Fox Creek Rd is flooded.
3.25 ft
Shallow flooding is expected in the most vulnerable locations near the waterfront and shoreline resulting in a low threat of property damage. Expect up to one foot of water above ground level in low lying, vulnerable areas. Multiple roadways begin to flood including Bishops Head Rd, Crocheron Rd and Lakesville-Crapo Rd.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Oct 30, 2021 | 5.14 ft | — |
| Oct 12, 2019 | 4.66 ft | — |
| Mar 7, 2018 | 4.49 ft | — |
About This Gauge
NWS LID
BISM2
River
Chesapeake Bay
County
Dorchester, MD
Coordinates
38.2200°N, 76.0383°W
Get Flood Alerts for Chesapeake Bay
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Chesapeake Bay at Bishops Head (IN MLLW)?
The Chesapeake Bay at Bishops Head (IN MLLW) gauge is maintained by USGS and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Chesapeake Bay at Bishops Head (IN MLLW)?
The NWS-defined flood stage for Chesapeake Bay at Bishops Head (IN MLLW) is 3.2 feet. Action stage begins at 3 feet. Moderate flooding starts at 3.7 feet, and major flooding at 4.2 feet.
How do I get alerts when Chesapeake Bay rises?
Download StormCast free on Google Play, go to River Gauges, and add Chesapeake Bay at Bishops Head (IN MLLW) to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Chesapeake Bay at Bishops Head (IN MLLW) gauge located?
The gauge is located in Dorchester County, Maryland at coordinates 38.2200°N, 76.0383°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Chesapeake Bay
More Resources
Source & Notes
Data provided by: The National Ocean Service
- <head> <meta charset="utf-8"> <style type="text/css"> .style1 { background-color: #FFFF00; } </style> </head> Tide Forecasts are a total water level forecast referenced to mean lower low water. Please refer to <a href="http://forecast.weather.gov/product.php?site=NWS&product=CFW&issuedby=AKQ"><font color="#0000ff"><span class="style1">Coastal Flood Advisories and Warnings</span></font></a> for official water level forecasts during periods of coastal flooding. During tropical cyclones, please refer<span class="style1"> </span> <a href="https://forecast.weather.gov/product.php?site=NWS&issuedby=AKQ&product=TCV&format=CI&version=1&glossary=1"> <span class="style1">here</span></a> for additional storm surge information.
- Please click<a href="http://www.weather.gov/images/akq/hydro/Coastal_Flooding/CoastalFloodingThresholds.png"> here</a> for Coastal Flooding Thresholds definitions.