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Coastal Flood AdvisoryMinorCharles...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT MONDAY... * WHAT...Up to one 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 AM EDT Monday, 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 two to two and a half feet above normal. The next high tide at Indian Head is at 6:28 PM and 6:57 AM. The next high tide at Dahlgren is at 1:25 PM and 1:54 AM. The next high tide at Goose Bay is at 2:34 PM and 3:03 AM. 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 -------- --------- --------- --------- ------- -------- 05/01 PM 4.0 2.1 2.2 0 Minor 06/01 AM 4.0 2.1 2.2 0 Minor 06/02 PM 3.7 1.8 1.9 0 Minor 07/03 AM 3.6 1.7 1.6 0 Minor 07/03 PM 3.4 1.5 1.5 0 None 08/03 AM 3.6 1.7 1.5 0 Minor &&2020-04-06T05:00:00-04:00

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Coastal Flood WarningModerateSt. Marys...COASTAL FLOOD WARNING REMAINS IN EFFECT UNTIL 4 AM EDT MONDAY... * WHAT...Up to one foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE...Shoreline in St. Marys County. * WHEN...Until 4 AM EDT Monday, especially around the time of high tide. * IMPACTS...At 3.5 feet, water covers roads on Saint George Island, is in yards, and is approaching structures. To the east, inundation is occurring at multiple marinas off St. Mary`s River, Smith Creek, and Jutland Creek. * ADDITIONAL DETAILS...Tides two to two and a half feet above normal. The next high tide at Point Lookout is at 11:59 AM and 12:12 AM. The next high tide at Piney Point is at 12:48 PM and 1:17 AM. The next high tide at Coltons Point is at 1:24 PM and 1:53 AM. Time of high total tides are approximate to the nearest hour. St Marys River at Straits Point MLLW Categories - Minor 3.0 ft, Moderate 3.5 ft, Major 5.0 ft MHHW Categories - Minor 1.4 ft, Moderate 1.9 ft, Major 3.4 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 05/01 PM 3.7 2.1 2.1 0-1 Moderate 06/01 AM 3.7 2.1 2.1 1 Moderate 06/01 PM 3.5 1.9 1.9 0 Moderate 07/02 AM 3.2 1.6 1.5 0 Minor 07/03 PM 3.1 1.5 1.5 0 Minor 08/03 AM 3.2 1.6 1.4 0 Minor &&2020-04-06T04:00:00-04:00

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Coastal Flood AdvisoryMinorArlington, Falls Church, Alexandria...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL NOON EDT MONDAY... * WHAT...Up to one foot of inundation above ground level expected in low lying areas due to tidal flooding. * WHERE...Shoreline in the City of Alexandria and Arlington County. * WHEN...Until noon EDT Monday, especially around the time of high tide. * IMPACTS...Water is expected to approach the curb near the intersection of King Street and Strand Street in Alexandria. Minor shoreline inundation up to one foot above ground is possible elsewhere. * ADDITIONAL DETAILS...Tides two to two and a half feet above normal. The next high tide at Washington Channel is at 6:42 PM and 7:11 AM. The next high tide at Alexandria is at 7:00 PM and 7:29 AM.2020-04-06T12:00:00-04:00

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Coastal Flood AdvisoryMinorKing George...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT MONDAY... * WHAT...Up to one 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 AM EDT Monday, 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 two to two and a half feet above normal. The next high tide at Indian Head is at 6:28 PM and 6:57 AM. The next high tide at Dahlgren is at 1:25 PM and 1:54 AM. The next high tide at Goose Bay is at 2:34 PM and 3:03 AM. 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 -------- --------- --------- --------- ------- -------- 05/01 PM 4.0 2.1 2.2 0 Minor 06/01 AM 4.0 2.1 2.2 0 Minor 06/02 PM 3.7 1.8 1.9 0 Minor 07/03 AM 3.6 1.7 1.6 0 Minor 07/03 PM 3.4 1.5 1.5 0 None 08/03 AM 3.6 1.7 1.5 0 Minor &&2020-04-06T05:00:00-04:00

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Coastal Flood AdvisoryMinorDistrict of Columbia...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL NOON EDT MONDAY... * WHAT...Up to one foot of inundation above ground level expected in low lying areas due to tidal flooding. * WHERE...Shoreline in the City of Alexandria and Arlington County. * WHEN...Until noon EDT Monday, especially around the time of high tide. * IMPACTS...Water is expected to approach the curb near the intersection of King Street and Strand Street in Alexandria. Minor shoreline inundation up to one foot above ground is possible elsewhere. * ADDITIONAL DETAILS...Tides two to two and a half feet above normal. The next high tide at Washington Channel is at 6:42 PM and 7:11 AM. The next high tide at Alexandria is at 7:00 PM and 7:29 AM.2020-04-06T12:00:00-04:00