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.

* WHAT...Up to one half 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...Until 2 PM EDT this afternoon, 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. High tide at Dahlgren is at 11:00 AM. High tide at Chesapeake Beach is at 12:09 PM. High tide at Goose Bay is at 12:22 PM. High tide at Solomons Island is at 10:13 AM.