* WHAT. Up to one half foot of inundation above ground level expected in low lying areas due to tidal flooding. * WHERE. Shoreline in the District of Columbia. * WHEN. From 4 AM early this morning to 10 PM EDT this evening, 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 and Jefferson Memorial.. * ADDITIONAL DETAILS. Tides one to one and a half feet above normal. The next high tide at Washington Channel is at 6:40 AM and 7:09 PM.

* 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 4 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 2:32 AM and 3:01 PM. The next high tide at Dahlgren is at 1:24 AM and 1:46 PM. The next high tide at Indian Head is at 6:26 AM and 6:55 PM.

* WHAT. Up to one half 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. From 4 AM early this morning to 10 PM EDT this evening, 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.. * ADDITIONAL DETAILS. Tides one to one and a half feet above normal. The next high tide at Alexandria is at 6:58 AM and 7:27 PM.

* WHAT. Up to one half foot of inundation above ground level expected in low lying areas due to tidal flooding. * WHERE. Shoreline in Anne Arundel County. * WHEN. Until 9 PM EDT this evening, especially around the time of high tide. * IMPACTS. At 3.0 feet, Compromise Street begins to flood in Annapolis. Flooding of much of the City Dock parking lot is occurring. * ADDITIONAL DETAILS. Tides one and a half to two feet above normal. The next high tide at Annapolis U.S. Naval Academy is at 4:03 AM and 4:12 PM.

* WHAT. Up to one half foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in Calvert County. * WHEN. Until 4 PM EDT this afternoon, especially around the time of high tide. * IMPACTS. 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. The next high tide at Solomons Island is at 12:58 PM and 1:34 AM. The next high tide at Chesapeake Beach is at 2:34 AM and 2:50 PM.

* WHAT. Northeast winds 10 to 15 kt with gusts up to 20 kt. * WHERE. Chesapeake Bay north of Sandy Point MD, Patapsco River including Baltimore Harbor, Chester River to Queenstown MD, and Patuxent River to Broomes Island MD. * WHEN. Until 11 AM EDT Wednesday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Up to one half foot 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 AM EDT Friday, 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 and Jefferson Memorial.. * ADDITIONAL DETAILS. Tides one to one and a half feet above normal. The next high tide at Washington Channel is at 7:09 PM. The next high tide at Alexandria is at 7:27 PM.

* WHAT. Up to one foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in Anne Arundel County. * WHEN. Until 8 AM EDT Friday, especially around the time of high tide. * IMPACTS. At 3.2 feet, water begins to approach businesses on Dock Street in Annapolis. The City Dock parking lot is flooded. Compromise Street is flooded. * ADDITIONAL DETAILS. Tides one and a half to two feet above normal. The next high tide at Annapolis U.S. Naval Academy is at 4:12 PM.

* 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 5 PM EDT Friday, 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 Dahlgren is at 1:46 PM. The next high tide at Indian Head is at 6:55 PM. The next high tide at Goose Bay is at 3:01 PM.

* WHAT. Up to one half foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in Calvert 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 3.0 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. The next high tide at Chesapeake Beach is at 2:50 PM. The next high tide at Solomons Island is at 12:58 PM.