Coastal Flood Advisory

Locations Affected

Newburg, MD ∙ Rollins Fork, VA ∙ St. Charles, MD ∙ Port Tobacco, MD ∙ Fairview Beach, VA ∙ Bryantown, MD ∙ Indian Head, MD ∙ Marbury, MD ∙ La Plata, MD ∙ Jersey, VA

Full Alert Message

Coastal Hazard Message National Weather Service Baltimore MD/Washington DC 322 PM EDT Tue Sep 9 2025 ...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...Up to one half foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE...Shoreline in Charles and King George Counties. * WHEN...Until 7 PM EDT this evening, 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 one to one and a half feet above normal. The next high tide at Dahlgren is at 4:46 PM. The next high tide at Goose Bay is at 5:51 PM. PRECAUTIONARY/PREPAREDNESS ACTIONS... If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. && Time of high total tides are approximate to the nearest hour. Upper Machodoc Creek at Dahlgren MLLW Categories - Minor 3.5 ft, Moderate 5.0 ft, Major 7.0 ft MHHW Categories - Minor 1.6 ft, Moderate 3.1 ft, Major 5.1 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 09/04 PM 3.6 1.7 1.3 0.5 Minor 10/05 AM 3.4 1.5 1.2 0.5 None 10/05 PM 3.3 1.4 1.0 0.5 None 11/06 AM 3.1 1.2 1.0 0.5 None 11/07 PM 3.5 1.6 1.2 0.5 Minor 12/06 AM 3.1 1.2 1.1 0.5 None

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