Active Weather Alerts
Coastal Flood Advisory
Issued: 7:09 PM Oct. 11, 2025 – National Weather Service
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT SUNDAY NIGHT... * WHAT...Up to one foot of inundation above ground level expected in low lying areas due to tidal flooding. * WHERE...Shoreline in Charles and King George Counties. * WHEN...Until midnight EDT Sunday night, 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 Dahlgrens are 7:02 PM and 7:31 AM. The next high tides at Goose Bay are 7:59 PM and 8:45 AM. 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 -------- --------- --------- --------- ------- -------- 11/07 PM 3.5 1.6 1.3 0.5 Minor 12/08 AM 3.6 1.7 1.7 1.0 Minor 12/08 PM 4.1 2.2 2.0 0.5 Minor 13/08 AM 3.3 1.4 1.5 0.5 None 13/09 PM 2.8 0.9 0.8 0.5 None 14/10 AM 2.5 0.6 0.7 0.5 None &&
Small Craft Advisory
Issued: 6:10 PM Oct. 11, 2025 – National Weather Service
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 11 PM THIS EVENING TO 6 AM EDT MONDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt expected. * WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD. * WHEN...From 11 PM this evening to 6 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. &&
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