Flooding: Maryland
Current Hydrologic Alerts for Maryland provided by the National Weather Service - Advanced Hydrologic Prediction Service

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Action (2.7 ft) - Alert - WNDV2 - Chesapeake Bay at Windmill Point (IN MLLW) (Virginia)
Flood Categories
Primary (ft)
- Action : 2.5 ft
- Minor : 3 ft
- Moderate : 3.5 ft
- Major : 4 ft
Secondary (kcfs)
- Action : Not Set
- Minor : Not Set
- Moderate : Not Set
- Major : Not Set
The forecast flood categories are the same as the observation flood categories.
Gauge Data
Observations
Latest Observation Category: NormalLatest Observation: 1.63 ftLatest Observation (Secondary): -999 kcfsObservation Time: Jun 6, 2023 05:06 AM -0400Forecasts
Forecast Issued: Jun 6, 2023 05:24 AM -0400
Recent
Recent Category: NormalRecent Projected Forecast Available: 1.3 ftRecent Projected Forecast Available (Secondary): -999 kcfsRecent Projected Forecast Time: Jun 6, 2023 06:00 AM -0400Highest
Highest Category: ActionHighest Projected Forecast Available: 2.7 ftHighest Projected Forecast Available (Secondary): -999 kcfsHighest Projected Forecast Time: Jun 7, 2023 02:00 AM -0400Last
Last Category: NormalLast Projected Forecast Available: 2.3 ftLast Projected Forecast Available (Secondary): -999 kcfsLast Projected Forecast Time: Jun 9, 2023 05:00 AM -0400 -
Action (6 ft) - Alert - WAHV2 - Atlantic Coast at Wachapreague (IN MLLW) (Virginia)
Flood Categories
Primary (ft)
- Action : 6 ft
- Minor : 6.5 ft
- Moderate : 7.5 ft
- Major : 8 ft
Secondary (kcfs)
- Action : Not Set
- Minor : Not Set
- Moderate : Not Set
- Major : Not Set
The forecast flood categories are the same as the observation flood categories.
Gauge Data
Observations
Latest Observation Category: NormalLatest Observation: 0.83 ftLatest Observation (Secondary): -999 kcfsObservation Time: Jun 6, 2023 05:06 AM -0400Forecasts
Forecast Issued: Jun 6, 2023 05:24 AM -0400
Recent
Recent Category: NormalRecent Projected Forecast Available: 1 ftRecent Projected Forecast Available (Secondary): -999 kcfsRecent Projected Forecast Time: Jun 6, 2023 06:00 AM -0400Highest
Highest Category: ActionHighest Projected Forecast Available: 6 ftHighest Projected Forecast Available (Secondary): -999 kcfsHighest Projected Forecast Time: Jun 7, 2023 12:00 AM -0400Last
Last Category: NormalLast Projected Forecast Available: 2.9 ftLast Projected Forecast Available (Secondary): -999 kcfsLast Projected Forecast Time: Jun 9, 2023 05:00 AM -0400 -
Action (2.6 ft) - Alert - SLIM2 - Patuxent River at Solomons Island (IN MLLW) (Maryland)
Flood Categories
Primary (ft)
- Action : 2.5 ft
- Minor : 3 ft
- Moderate : 4 ft
- Major : 5 ft
Flow (secondary) data is not currently enabled for this gauge.
The forecast flood categories are the same as the observation flood categories.
Gauge Data
Observations
Latest Observation Category: ActionLatest Observation: 2.6 ftObservation Time: Jun 6, 2023 05:06 AM -0400Forecasts
Forecast Issued: Jun 6, 2023 03:09 AM -0400
Recent
Recent Category: ActionRecent Projected Forecast Available: 2.6 ftRecent Projected Forecast Time: Jun 6, 2023 06:00 AM -0400Highest
Highest Category: ActionHighest Projected Forecast Available: 2.7 ftHighest Projected Forecast Time: Jun 7, 2023 06:00 AM -0400Last
Last Category: NormalLast Projected Forecast Available: 1.2 ftLast Projected Forecast Time: Jun 9, 2023 02:00 AM -0400 -
Minor (3.08 ft) - Alert - SGSM2 - St. George Creek at Straits Point (IN MLLW) (Maryland)
Flood Categories
Primary (ft)
- Action : 2.5 ft
- Minor : 3 ft
- Moderate : 3.5 ft
- Major : 5 ft
Flow (secondary) data is not currently enabled for this gauge.
The forecast flood categories are the same as the observation flood categories.
Gauge Data
Observations
Latest Observation Category: MinorLatest Observation: 3.08 ftObservation Time: Jun 6, 2023 04:00 AM -0400Forecasts
Forecast Issued: Jun 6, 2023 03:09 AM -0400
Recent
Recent Category: ActionRecent Projected Forecast Available: 2.6 ftRecent Projected Forecast Time: Jun 6, 2023 06:00 AM -0400Highest
Highest Category: ActionHighest Projected Forecast Available: 2.9 ftHighest Projected Forecast Time: Jun 8, 2023 06:00 AM -0400Last
Last Category: NormalLast Projected Forecast Available: 1.6 ftLast Projected Forecast Time: Jun 9, 2023 02:00 AM -0400 -
Action (3.6 ft) - Alert - OCIM2 - Atlantic Coast near OCEAN CITY INLET (IN MLLW) (Maryland)
Flood Categories
Primary (ft)
- Action : 3.5 ft
- Minor : 4 ft
- Moderate : 5 ft
- Major : 6 ft
Secondary (kcfs)
- Action : Not Set
- Minor : Not Set
- Moderate : Not Set
- Major : Not Set
The forecast flood categories are the same as the observation flood categories.
Gauge Data
Observations
Latest Observation Category: NormalLatest Observation: 1.35 ftLatest Observation (Secondary): -999 kcfsObservation Time: Jun 6, 2023 05:06 AM -0400Forecasts
Forecast Issued: Jun 6, 2023 05:24 AM -0400
Recent
Recent Category: NormalRecent Projected Forecast Available: 1.7 ftRecent Projected Forecast Available (Secondary): -999 kcfsRecent Projected Forecast Time: Jun 6, 2023 06:00 AM -0400Highest
Highest Category: ActionHighest Projected Forecast Available: 3.6 ftHighest Projected Forecast Available (Secondary): -999 kcfsHighest Projected Forecast Time: Jun 6, 2023 11:00 PM -0400Last
Last Category: NormalLast Projected Forecast Available: 1.8 ftLast Projected Forecast Available (Secondary): -999 kcfsLast Projected Forecast Time: Jun 9, 2023 05:00 AM -0400