* WHAT. One to two feet of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in the District of Columbia, Arlington County, and the City of Alexandria. * WHEN. Until 8 PM EDT Sunday, especially around the time of high tide. * IMPACTS. Shoreline inundation is expected along portions of the seawall adjacent to Ohio Drive and the Hains Point Loop Road and near the Tidal Basin. Water is expected to approach the curb near the intersection of King Street and Strand Street in Alexandria. * ADDITIONAL DETAILS. Tides one and a half to two feet above normal. The next high tide at Alexandria is at 10:52 PM and 11:25 AM. The next high tide at Washington Channel is at 10:34 PM and 11:07 AM.

* WHAT. Up to one foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Southern Baltimore and Southeast Harford Counties. * WHEN. Until 8 PM EDT Sunday, especially around the time of high tide. * IMPACTS. At 3.5 feet, flooding is occurring at the end of Thames Street in Baltimore. Water covers the promenade in the Inner Harbor in multiple locations. At 3.0 feet, water begins encroaching upon yards in the Bowleys Quarters area. At 4.5 feet, portions of the Havre de Grace Yacht Basin are flooded, along with Hutchins Park. * ADDITIONAL DETAILS. Tides two to two and a half feet above normal. The next high tide at Fort McHenry Baltimore is at 9:30 PM and 9:26 AM. The next high tide at Piney Point is at 4:40 PM and 5:13 AM. The next high tide at Point Lookout is at 4:02 PM and 3:58 AM. The next high tide at Solomons Island is at 4:42 PM and 4:53 AM. The next high tide at Coltons Point is at 5:16 PM and 5:49 AM. The next high tide at Chesapeake Beach is at 6:43 PM and 6:39 AM. The next high tide at Havre de Grace is at 12:16 AM and 12:56 PM.

* WHAT. For the Coastal Flood Advisory, up to one half foot of inundation above ground level in low lying areas due to tidal flooding. For the Coastal Flood Watch, one to two feet of inundation above ground level possible in low lying areas due to tidal flooding. * WHERE. Shoreline in Anne Arundel County. * WHEN. For the Coastal Flood Advisory, until 6 PM EDT Saturday, especially around the time of high tide. For the Coastal Flood Watch, from Saturday evening through Sunday evening, especially around the time of high tide. * IMPACTS. At 3.5 feet, water reaches the floor of the Maritime Museum in Annapolis, begins to cover Bowyer Road on the Naval Academy campus, and numerous businesses on Dock Street are flooded, along with the City Dock parking lot. Bayside Beach begins to flood around Harbor Rd and Lake Dr. * ADDITIONAL DETAILS. Tides two to two and a half feet above normal. The next high tide at Annapolis U.S. Naval Academy is at 8:10 PM and 7:52 AM.

* WHAT. Up to one foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in Charles and King George Counties. * WHEN. Until 10 PM EDT Sunday, 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 Goose Bay is at 6:26 PM and 6:59 AM. The next high tide at Indian Head is at 10:20 PM and 10:53 AM. The next high tide at Dahlgren is at 5:25 PM and 5:49 AM.