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Delmar, MD Warnings, Watches and Advisories

NWS Active Alerts for MD - Map View

State: MD Total alerts: 16 Updated: Sep 23, 2026 7:20am EDT

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Area
Montgomery
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Coastal Flood Advisory

Area
Maryland Beaches; Accomack; Northampton
Coastal Flood Advisory issued September 23 at 6:25AM EDT until September 23 at 4:00PM EDT by NWS Wakefield VA

* WHAT...For the Coastal Flood Advisory, up to one foot of inundation above ground level in low-lying areas near shorelines and tidal waterways. For the High Surf Advisory, large breaking waves of 8 to 12 feet in the surf zone. For the Beach Hazards Statement, a high risk of rip currents. For the Coastal Flood Warning, one to two feet of inundation above ground level expected in low- lying areas near shorelines and tidal waterways. * WHERE...In Maryland, the Maryland Beaches. In Virginia, Accomack and Northampton Counties. * WHEN...For the Coastal Flood Advisory, until 4 PM EDT this afternoon. For the High Surf Advisory, until 6 PM EDT Thursday. For the Beach Hazards Statement, through this evening. For the Coastal Flood Warning, from 4 PM this afternoon to 4 AM EDT Friday. * IMPACTS...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. Flooding will extend inland from the waterfront along tidal rivers and bays resulting in some road closures and flooding of vehicles.

Coastal Flood Warning

Area
Dorchester; Wicomico; Somerset
Coastal Flood Warning issued September 23 at 6:25AM EDT until September 25 at 4:00AM EDT by NWS Wakefield VA

* WHAT...One to two feet of inundation above ground level expected in low- lying areas near shorelines and tidal waterways. * WHERE...Dorchester, Wicomico and Somerset Counties. * WHEN...From 6 PM this evening to 4 AM EDT Friday. * IMPACTS...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. Flooding will extend inland from the waterfront along tidal rivers and bays resulting in some road closures and flooding of vehicles.

Coastal Flood Warning

Area
Maryland Beaches; Accomack; Northampton
Coastal Flood Warning issued September 23 at 6:25AM EDT until September 25 at 4:00AM EDT by NWS Wakefield VA

* WHAT...For the Coastal Flood Advisory, up to one foot of inundation above ground level in low-lying areas near shorelines and tidal waterways. For the High Surf Advisory, large breaking waves of 8 to 12 feet in the surf zone. For the Beach Hazards Statement, a high risk of rip currents. For the Coastal Flood Warning, one to two feet of inundation above ground level expected in low- lying areas near shorelines and tidal waterways. * WHERE...In Maryland, the Maryland Beaches. In Virginia, Accomack and Northampton Counties. * WHEN...For the Coastal Flood Advisory, until 4 PM EDT this afternoon. For the High Surf Advisory, until 6 PM EDT Thursday. For the Beach Hazards Statement, through this evening. For the Coastal Flood Warning, from 4 PM this afternoon to 4 AM EDT Friday. * IMPACTS...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. Flooding will extend inland from the waterfront along tidal rivers and bays resulting in some road closures and flooding of vehicles.

Coastal Flood Warning

Area
Inland Worcester
Coastal Flood Warning issued September 23 at 6:25AM EDT until September 25 at 4:00AM EDT by NWS Wakefield VA

* WHAT...For the Coastal Flood Advisory, up to one foot of inundation above ground level in low-lying areas near shorelines and tidal waterways. For the Coastal Flood Warning, one to two feet of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE...Inland Worcester County. * WHEN...For the Coastal Flood Advisory, until 4 PM EDT this afternoon. For the Coastal Flood Warning, from 4 PM this afternoon to 4 AM EDT Friday. * IMPACTS...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. Flooding will extend inland from the waterfront along tidal rivers and bays resulting in some road closures and flooding of vehicles.

High Surf Advisory

Area
Maryland Beaches; Accomack; Northampton
High Surf Advisory issued September 23 at 6:25AM EDT until September 24 at 6:00PM EDT by NWS Wakefield VA

* WHAT...For the Coastal Flood Advisory, up to one foot of inundation above ground level in low-lying areas near shorelines and tidal waterways. For the High Surf Advisory, large breaking waves of 8 to 12 feet in the surf zone. For the Beach Hazards Statement, a high risk of rip currents. For the Coastal Flood Warning, one to two feet of inundation above ground level expected in low- lying areas near shorelines and tidal waterways. * WHERE...In Maryland, the Maryland Beaches. In Virginia, Accomack and Northampton Counties. * WHEN...For the Coastal Flood Advisory, until 4 PM EDT this afternoon. For the High Surf Advisory, until 6 PM EDT Thursday. For the Beach Hazards Statement, through this evening. For the Coastal Flood Warning, from 4 PM this afternoon to 4 AM EDT Friday. * IMPACTS...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. Flooding will extend inland from the waterfront along tidal rivers and bays resulting in some road closures and flooding of vehicles.

Beach Hazards Statement

Area
Maryland Beaches; Accomack; Northampton
Beach Hazards Statement issued September 23 at 6:25AM EDT until September 23 at 8:00PM EDT by NWS Wakefield VA

* WHAT...For the Coastal Flood Advisory, up to one foot of inundation above ground level in low-lying areas near shorelines and tidal waterways. For the High Surf Advisory, large breaking waves of 8 to 12 feet in the surf zone. For the Beach Hazards Statement, a high risk of rip currents. For the Coastal Flood Warning, one to two feet of inundation above ground level expected in low- lying areas near shorelines and tidal waterways. * WHERE...In Maryland, the Maryland Beaches. In Virginia, Accomack and Northampton Counties. * WHEN...For the Coastal Flood Advisory, until 4 PM EDT this afternoon. For the High Surf Advisory, until 6 PM EDT Thursday. For the Beach Hazards Statement, through this evening. For the Coastal Flood Warning, from 4 PM this afternoon to 4 AM EDT Friday. * IMPACTS...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. Flooding will extend inland from the waterfront along tidal rivers and bays resulting in some road closures and flooding of vehicles.

Coastal Flood Advisory

Area
Inland Worcester
Coastal Flood Advisory issued September 23 at 6:25AM EDT until September 23 at 4:00PM EDT by NWS Wakefield VA

* WHAT...For the Coastal Flood Advisory, up to one foot of inundation above ground level in low-lying areas near shorelines and tidal waterways. For the Coastal Flood Warning, one to two feet of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE...Inland Worcester County. * WHEN...For the Coastal Flood Advisory, until 4 PM EDT this afternoon. For the Coastal Flood Warning, from 4 PM this afternoon to 4 AM EDT Friday. * IMPACTS...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. Flooding will extend inland from the waterfront along tidal rivers and bays resulting in some road closures and flooding of vehicles.

Coastal Flood Advisory

Area
Queen Anne's; Talbot; Caroline
Coastal Flood Advisory issued September 23 at 4:28AM EDT until September 25 at 8:00AM EDT by NWS Mount Holly NJ

* WHAT...Up to one half foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE...Queen Annes, Talbot and Caroline. * WHEN...From 2 AM Thursday to 8 AM EDT Friday. * IMPACTS...At this level, flooding begins on the most vulnerable roads in bayside communities and along tidal waterways. Some partial or full road closures are possible. * ADDITIONAL DETAILS...Widespread minor tidal flooding could continue through Friday afternoon's high tide or perhaps longer.

Coastal Flood Advisory

Area
Anne Arundel
Coastal Flood Advisory issued September 23 at 3:00AM EDT until September 24 at 12:00AM EDT by NWS Baltimore MD/Washington DC

* WHAT...For the Coastal Flood Advisory, up to one half foot of inundation above ground level in low lying areas due to tidal flooding. For the Coastal Flood Watch, up to one foot of inundation above ground level possible in low lying areas due to tidal flooding. * WHERE...Shoreline in Anne Arundel County. * WHEN...For the Coastal Flood Advisory, until midnight EDT tonight, especially around the time of high tide. For the Coastal Flood Watch, from late tonight through Friday morning, especially around the time of high tide. * IMPACTS...At 3.2 feet, water begins to approach businesses on Dock Street in Annapolis. The City Dock parking lot is flooded. Compromise Street is flooded. * ADDITIONAL DETAILS...Tides one and a half to two feet above normal. The next high tide at Annapolis U.S. Naval Academy is at 3:31 AM and 3:33 PM.

Coastal Flood Advisory

Area
St. Marys
Coastal Flood Advisory issued September 23 at 3:00AM EDT until September 23 at 8:00PM EDT by NWS Baltimore MD/Washington DC

* WHAT...For the Coastal Flood Advisory, up to one half foot of inundation above ground level in low lying areas due to tidal flooding. For the Coastal Flood Watch, up to one foot of inundation above ground level possible in low lying areas due to tidal flooding. * WHERE...Shoreline in St. Marys County. * WHEN...For the Coastal Flood Advisory, until 8 PM EDT this evening, especially around the time of high tide. For the Coastal Flood Watch, from this evening through Friday afternoon, especially around the time of high tide. * IMPACTS...At 3.5 feet, water covers roads on Saint George Island, is in yards, and is approaching structures. To the east, inundation is occurring at multiple marinas off St. Mary's River, Smith Creek, and Jutland Creek. * ADDITIONAL DETAILS...Tides two and a half to three feet above normal. The next high tide at Coltons Point is at 1:31 PM and 1:46 AM. The next high tide at Point Lookout is at 11:43 AM and 12:04 AM. The next high tide at Piney Point is at 12:55 PM and 1:10 AM.

Coastal Flood Advisory

Area
Charles; King George
Coastal Flood Advisory issued September 23 at 3:00AM EDT until September 25 at 7:00AM EDT by NWS Baltimore MD/Washington DC

* WHAT...Two to three feet of inundation above ground level in low lying areas due to tidal flooding. * WHERE...Shoreline in Charles and King George Counties. * WHEN...Until 7 AM EDT Friday, especially around the time of high tide. * IMPACTS...At 3.5 feet, water reaches yards near Cobb Island and docks near Dahlgren. * ADDITIONAL DETAILS...Tides two to two and a half feet above normal. The next high tide at Indian Head is at 6:06 AM and 6:35 PM. The next high tide at Goose Bay is at 2:41 PM and 2:56 AM. The next high tide at Dahlgren is at 1:19 PM and 1:39 AM.

Coastal Flood Advisory

Area
Calvert
Coastal Flood Advisory issued September 23 at 3:00AM EDT until September 25 at 8:00AM EDT by NWS Baltimore MD/Washington DC

* WHAT...Up to one foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE...Shoreline in Calvert County. * WHEN...Until 8 AM EDT Friday, especially around the time of high tide. * IMPACTS...At 3.0 feet, water is expected to reach backyards near 9th Street in North Beach, and could approach 9th Street. At 3.5 feet, yards are flooded near Charles Street and Williams Street in Solomons. Nearby parking lots and the streets themselves are covered by more than a half foot of water. * ADDITIONAL DETAILS...Tides two to two and a half feet above normal. The next high tide at Chesapeake Beach is at 2:24 PM and 2:45 AM. The next high tide at Solomons Island is at 12:30 PM and 1:02 AM.

Coastal Flood Watch

Area
Anne Arundel
Coastal Flood Watch issued September 23 at 3:00AM EDT until September 25 at 11:00AM EDT by NWS Baltimore MD/Washington DC

* WHAT...For the Coastal Flood Advisory, up to one half foot of inundation above ground level in low lying areas due to tidal flooding. For the Coastal Flood Watch, up to one foot of inundation above ground level possible in low lying areas due to tidal flooding. * WHERE...Shoreline in Anne Arundel County. * WHEN...For the Coastal Flood Advisory, until midnight EDT tonight, especially around the time of high tide. For the Coastal Flood Watch, from late tonight through Friday morning, especially around the time of high tide. * IMPACTS...At 3.2 feet, water begins to approach businesses on Dock Street in Annapolis. The City Dock parking lot is flooded. Compromise Street is flooded. * ADDITIONAL DETAILS...Tides one and a half to two feet above normal. The next high tide at Annapolis U.S. Naval Academy is at 3:31 AM and 3:33 PM.

Coastal Flood Watch

Area
St. Marys
Coastal Flood Watch issued September 23 at 3:00AM EDT until September 25 at 5:00PM EDT by NWS Baltimore MD/Washington DC

* WHAT...For the Coastal Flood Advisory, up to one half foot of inundation above ground level in low lying areas due to tidal flooding. For the Coastal Flood Watch, up to one foot of inundation above ground level possible in low lying areas due to tidal flooding. * WHERE...Shoreline in St. Marys County. * WHEN...For the Coastal Flood Advisory, until 8 PM EDT this evening, especially around the time of high tide. For the Coastal Flood Watch, from this evening through Friday afternoon, especially around the time of high tide. * IMPACTS...At 3.5 feet, water covers roads on Saint George Island, is in yards, and is approaching structures. To the east, inundation is occurring at multiple marinas off St. Mary's River, Smith Creek, and Jutland Creek. * ADDITIONAL DETAILS...Tides two and a half to three feet above normal. The next high tide at Coltons Point is at 1:31 PM and 1:46 AM. The next high tide at Point Lookout is at 11:43 AM and 12:04 AM. The next high tide at Piney Point is at 12:55 PM and 1:10 AM.

Wind Advisory

Area
Maryland Beaches; Western Currituck; Eastern Currituck; Virginia Beach; Accomack; Northampton
Wind Advisory issued September 23 at 2:59AM EDT until September 24 at 8:00PM EDT by NWS Wakefield VA

* WHAT...Northeast winds 30 to 40 mph with gusts up to 50 mph expected. * WHERE...In Maryland, Maryland Beaches County. In North Carolina, Eastern Currituck and Western Currituck Counties. In Virginia, Northampton and Accomack Counties, and Virginia Beach. * WHEN...From 2 PM this afternoon to 8 PM EDT Thursday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

SAFETY and DATA MESSAGE

When a severe thunderstorm warning is issued, the storm may produce damaging winds, large hail, dangerous lightning, and heavy rain. In some cases, heavy rainfall produced by a severe storm can also lead to flash flooding. Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Delmar.

Use the Radar Maps link provided to understand the trajectory of a storm.

For more official information about severe storms and how to stay safe, visit the National Weather Service's Severe Thunderstorm Safety page. We encourage you to also monitor Excessive Rainfall Forecasts on their Weather Prediction Center website.

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