Active Weather Alerts
Coastal Flood Advisory
Issued: 1:44 AM Aug. 24, 2025 – National Weather Service
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT SUNDAY... * 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 Sunday, 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 and a half to two feet above normal. The next high tide at Dahlgren is at 4:18 AM and 4:41 PM. The next high tide at Indian Head is at 9:13 AM and 9:40 PM. The next high tide at Goose Bay is at 5:19 AM and 5:46 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 -------- --------- --------- --------- ------- -------- 24/04 AM 3.7 1.8 1.5 0.5 Minor 24/05 PM 3.6 1.7 1.5 1.0 Minor 25/05 AM 3.4 1.5 1.3 0.5 None 25/05 PM 3.2 1.3 1.1 0.5 None 26/05 AM 2.9 1.0 0.9 0.5 None 26/05 PM 2.7 0.8 0.7 0.5 None &&
Small Craft Advisory
Issued: 8:27 PM Aug. 23, 2025 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT SUNDAY... * WHAT...Southeast winds 10 to 15 kt with gusts up to 25 kt. * WHERE...Tidal Potomac River from Indian Head MD to Smith Point VA, and Chesapeake Bay from Smith Point VA to Pooles Island MD and adjoining estuaries. * WHEN...Until 2 AM EDT Sunday. * 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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