Active Weather Alerts
Coastal Flood Advisory
Issued: 6:43 PM Oct. 1, 2025 – National Weather Service
...COASTAL FLOOD ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 3 PM EDT THURSDAY... * WHAT...Up to one foot of inundation above ground level in low- lying areas due to tidal flooding. * WHERE...In Maryland, Charles and Calvert Counties. In Virginia, King George County. * WHEN...From 7 PM this evening to 3 PM EDT Thursday, 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, water reaches yards near Cobb Island and docks near Dahlgren. At 3.0 feet, parking lots near Charles Street in Solomons begin to flood, with several inches of water covering low-lying portions of Charles Street and Williams Street. * ADDITIONAL DETAILS...Tides one and a half to two feet above normal. The next high tides at Solomons Island are at 10:33 PM this evening and 10:42 AM Thursday morning. The next high tides at Chesapeake Beach are at 12:15 AM overnight and 12:34 PM Thursday afternoon. The next high tides at Dahlgren are at 10:50 PM this evening and 11:22 AM Thursday morning. 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 -------- --------- --------- --------- ------- -------- 01/11 PM 3.7 1.8 1.8 0.5 Minor 02/11 AM 3.6 1.7 1.9 0.5 Minor 02/11 PM 3.6 1.7 1.7 0.5 Minor 03/12 PM 3.1 1.2 1.3 0.5 None 04/12 AM 3.0 1.1 1.0 0.5 None Chesapeake Bay at North Beach MLLW Categories - Minor 3.0 ft, Moderate 4.0 ft, Major 5.0 ft MHHW Categories - Minor 1.6 ft, Moderate 2.6 ft, Major 3.6 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 01/02 PM 2.4 1.0 1.1 0.5 None 02/02 AM 3.2 1.8 1.5 1.0 Minor 02/12 PM 3.1 1.7 1.7 1.0 Minor 03/01 AM 3.1 1.7 1.4 1.0 Minor 03/01 PM 2.5 1.1 1.1 0.5 None 04/03 AM 2.5 1.1 0.8 0.5 None Patuxent River at Solomons Island MLLW Categories - Minor 3.0 ft, Moderate 4.0 ft, Major 5.0 ft MHHW Categories - Minor 1.5 ft, Moderate 2.5 ft, Major 3.5 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 01/10 PM 3.1 1.6 1.5 1.0 Minor 02/10 AM 3.3 1.8 1.9 1.0 Minor 02/11 PM 3.2 1.7 1.6 1.0 Minor 03/10 AM 2.7 1.2 1.3 1.0 None 03/11 PM 2.6 1.1 1.0 0.5 None 04/11 AM 2.3 0.8 0.8 1.0 None &&
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