Weather World
Potomac Church Weather Advisories
WEATHER ALERT
Issue Date: 256 PM EDT Sun Oct 11 2026
COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 6 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 6 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 and a half to two feet above normal. The next high tide at Dahlgren is at 4:12 PM. The next high tide at Goose Bay is at 5:18 PM. The next high tide at Indian Head is at 9:12 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 -------- --------- --------- --------- ------- -------- 11/04 PM 3.9 2.0 1.7 1.0 Minor 12/04 AM 3.1 1.2 1.1 0.5 None 12/04 PM 2.6 0.7 0.5 0.5 None 13/06 AM 2.7 0.8 0.8 0.5 None 13/05 PM 3.1 1.2 1.0 0.5 None 14/05 AM 2.7 0.8 0.9 0.5 None &&
COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 6 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 6 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 and a half to two feet above normal. The next high tide at Dahlgren is at 4:12 PM. The next high tide at Goose Bay is at 5:18 PM. The next high tide at Indian Head is at 9:12 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 -------- --------- --------- --------- ------- -------- 11/04 PM 3.9 2.0 1.7 1.0 Minor 12/04 AM 3.1 1.2 1.1 0.5 None 12/04 PM 2.6 0.7 0.5 0.5 None 13/06 AM 2.7 0.8 0.8 0.5 None 13/05 PM 3.1 1.2 1.0 0.5 None 14/05 AM 2.7 0.8 0.9 0.5 None &&
WEATHER ALERT
Issue Date: 1102 AM EDT Sun Oct 11 2026
This Hazardous Weather Outlook is for the Maryland portion of the Chesapeake Bay, Tidal Potomac River, and I-95 corridor through central Maryland, northern Virginia, and District of Columbia.
DAY ONE
This Afternoon and Tonight Damaging wind gusts and a couple of brief tornadoes are possible this afternoon to evening. Special Marine Warnings may be needed for parts of the waters as well.
DAYS TWO THROUGH SEVEN
Monday through Saturday No hazardous weather is expected at this time.
SPOTTER INFORMATION STATEMENT
Spotter should self activate. Report any instances of flooding or severe weather to the National Weather Service in Sterling, VA.
This Hazardous Weather Outlook is for the Maryland portion of the Chesapeake Bay, Tidal Potomac River, and I-95 corridor through central Maryland, northern Virginia, and District of Columbia.
DAY ONE
This Afternoon and Tonight Damaging wind gusts and a couple of brief tornadoes are possible this afternoon to evening. Special Marine Warnings may be needed for parts of the waters as well.
DAYS TWO THROUGH SEVEN
Monday through Saturday No hazardous weather is expected at this time.
SPOTTER INFORMATION STATEMENT
Spotter should self activate. Report any instances of flooding or severe weather to the National Weather Service in Sterling, VA.
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