Severn River at Annapolis (IN MLLW)
Maryland — Water Level & Flood Stage
Located in Anne Arundel County, Maryland on the Severn River. Live water level data from USGS, updated every 15 minutes.
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: APAM2). Live data may be limited. View on NWS AHPS →
Flood Stages
Major Flood
5 ft
Moderate Flood
3.3 ft
Minor Flood
2.6 ft
Action Stage
2 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
6 ft
Significant flooding is occurring in the Annapolis City Dock area, and on portions of the Naval Academy campus. Numerous roads and fields are flooded, and water is in several buildings.
4.2 ft
The boardwalk at the Annapolis City Dock is underwater. Water also affects several locations near the city dock, including portions of Compromise Street and several streets on the Naval Academy campus. Franklin Manor Beach floods along Chesapeake Dr between Carrol St and Dartmouth St. Venice on the Bay begins to flood at Bay St and Hilltop Rd.
4 ft
In Annapolis, Dock Street along with parts of Compromise Street, 6th Street, and Chester Avenue are likely closed due to flooding.
3.7 ft
Woodland Beach near Oakwood Rd and Silver Run Rd is flooded. Water partially covers West Shady Rd between West River Rd and Shadyrest Rd. In Bayside Beach, several homes surrounded by water around the area where Lake Dr, Ducks Cove Road, and Summit Dr intersect.
3.5 ft
At 3.5 feet, water reaches the floor of the Maritime Museum in Annapolis, begins to cover Bowyer Road on the Naval Academy campus, and numerous businesses on Dock Street are flooded, along with the City Dock parking lot. Bayside Beach begins to flood around Harbor Rd and Lake Dr.
3.3 ft
Water is likely coming up through storm drains and approaching businesses on Dock Street in Annapolis. Water approaches the Maritime Museum and begins to cover Bowyer Road at the Naval Academy.
3.2 ft
Water coming up through storm drains approaches businesses on Dock Street in Annapolis.
3 ft
Compromise Street begins to flood in Annapolis.
2.8 ft
Flooding of the Dock Street parking area is possible, and water could cover much of the parking area under certain circumstances.
2.6 ft
Water begins to cover the immediate area surrounding the Alex Haley Memorial near Annapolis City Dock. The nearby Dock Street parking area may begin to see pooled water affecting parking capacity.
2.4 ft
Water may begin to pond in the parking lot at Annapolis City Dock.
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 |
|---|---|---|
| Sep 18, 2003 | 7.16 ft | — |
| Sep 18, 2003 | 7.16 ft | — |
| Aug 22, 1933 | 6.17 ft | — |
| Aug 22, 1933 | 6.17 ft | — |
| Jan 10, 2024 | 5.1 ft | — |
About This Gauge
NWS LID
APAM2
River
Severn River
County
Anne Arundel, MD
Coordinates
38.9831°N, 76.4800°W
Get Flood Alerts for Severn River
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 Severn River at Annapolis (IN MLLW)?
The Severn River at Annapolis (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 Severn River at Annapolis (IN MLLW)?
The NWS-defined flood stage for Severn River at Annapolis (IN MLLW) is 2.6 feet. Action stage begins at 2 feet. Moderate flooding starts at 3.3 feet, and major flooding at 5 feet.
How do I get alerts when Severn River rises?
Download StormCast free on Google Play, go to River Gauges, and add Severn River at Annapolis (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 — even when your screen is off.
Where is the Severn River at Annapolis (IN MLLW) gauge located?
The gauge is located in Anne Arundel County, Maryland at coordinates 38.9831°N, 76.4800°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: National Ocean Service
- <head> <meta charset="utf-8"> <style type="text/css"> .style1 { background-color: #FFFF00; } </style> </head> Please refer to <a href="https://forecast.weather.gov/product.php?site=NWS&issuedby=LWX&product=CFW&format=CI&version=1&glossary=1"><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> <span class="style1"> <a href="https://forecast.weather.gov/product.php?site=NWS&issuedby=lwx&product=TCV&format=CI&version=1&glossary=1">here</a></span> for additional storm surge information.
- Stage may be affected by ice.