# HEADLINE
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COASTAL FLOOD ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON
# SUMMARY
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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 -------- --------- --------- --------- ------- -------- 23/01 PM 3.7 1.8 1.8 0.5 Minor 24/01 AM 3.4 1.5 1.6 0.5 None 24/02 PM 3.6 1.7 1.5 0.5 Minor 25/02 AM 3.3 1.4 1.4 0.5 None 25/03 PM 3.4 1.5 1.2 0.5 None 26/03 AM 2.9 1.0 1.0 0.5 None
# DETAILS
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WHAT
Up to one half 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 5 PM EDT this afternoon, 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 Goose Bay is at 2:35 PM. The next high tide at Dahlgren is at 1:20 PM.
ISSUED AT
Friday, October 23, 2026 at 6:08 AM EDT
ISSUED BY
National Weather Service Baltimore MD/Washington DC
HEADER
Coastal Hazard Message
# PRECAUTIONARY/PREPAREDNESS ACTIONS
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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.
# AREAS AFFECTED
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Charles, King George
