...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 4 AM EDT FRIDAY... * WHAT...Up to one 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 4 AM EDT Friday, 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 3.5 feet, yards are flooded near Charles Street and Williams Street in Solomons. Nearby parking lots and the streets themselves are covered by more than a half foot of water. * ADDITIONAL DETAILS...Tides two to two and a half feet above normal. The next high tide at Indian Head is at 4:50 PM and 5:06 AM. The next high tide at Goose Bay is at 12:56 PM and 1:12 AM. The next high tide at Dahlgren is at 11:22 AM and 11:53 PM. The next high tide at Solomons Island is at 10:42 AM and 11:25 PM. The next high tide at Chesapeake Beach is at 12:34 PM and 1:09 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 -------- --------- --------- --------- ------- -------- 02/11 AM 4.2 2.3 2.5 1.0 Minor 02/11 PM 4.3 2.4 2.4 0.5 Minor 03/12 PM 3.7 1.8 1.9 0.5 Minor 04/12 AM 3.5 1.6 1.5 0.5 Minor 04/01 PM 3.2 1.3 1.2 0.5 None 05/01 AM 3.2 1.3 1.1 0.5 None Chesapeake Bay at North Beach MLLW Categories - Minor 3.0 ft, Moderate 4.0 ft, Major 5.0 ft MHHW Categories - Minor 1.6 ft, Moderate 2.6 ft, Major 3.6 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 02/12 PM 3.0 1.6 1.6 1.0 Minor 03/01 AM 3.1 1.7 1.4 1.0 Minor 03/12 PM 2.5 1.1 1.2 0.5 None 04/03 AM 2.5 1.1 0.8 0.5 None 04/02 PM 2.1 0.7 0.6 0.5 None 05/04 AM 2.2 0.8 0.5 0.5 None Patuxent River at Solomons Island MLLW Categories - Minor 3.0 ft, Moderate 4.0 ft, Major 5.0 ft MHHW Categories - Minor 1.5 ft, Moderate 2.5 ft, Major 3.5 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 02/10 AM 3.5 2.0 2.1 1.0 Minor 02/11 PM 3.7 2.2 2.1 1.0 Minor 03/11 AM 3.2 1.7 1.7 1.0 Minor 04/12 AM 3.1 1.6 1.4 1.0 Minor 04/11 AM 2.7 1.2 1.2 1.0 None 05/01 AM 2.7 1.2 1.0 1.0 None &&