* WHAT. Up to one half foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in Anne Arundel County. * WHEN. Until 11 PM EDT this evening, especially around the time of high tide. * IMPACTS. At 2.8 feet, flooding of some of the parking area near Dock Street in Annapolis may occur, with water surrounding the Alex Haley Memorial. * ADDITIONAL DETAILS. Tides one to one and a half feet above normal. The next high tide at Annapolis U.S. Naval Academy is at 6:31 AM and 7:24 PM.

* WHAT. Up to one half foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in the City of Alexandria and Arlington County. * WHEN. Until midnight EDT tonight, 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 and a half to two feet above normal. The next high tide at Alexandria is at 10:08 AM and 10:19 PM.

* WHAT. Up to one half foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in Charles and King George Counties. * WHEN. Until 7 PM EDT this evening, 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 Dahlgren is at 4:24 AM and 4:42 PM. The next high tide at Indian Head is at 9:36 AM and 9:47 PM. The next high tide at Goose Bay is at 5:42 AM and 5:53 PM.

* WHAT. Up to one foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in the District of Columbia. * WHEN. Until midnight EDT tonight, 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. * ADDITIONAL DETAILS. Tides one and a half to two feet above normal. The next high tide at Washington Channel is at 9:50 AM and 10:01 PM.

* WHAT. Up to one foot of inundation above ground level in low- lying areas near shorelines and tidal waterways. * WHERE. Westmoreland and Northumberland Counties. * WHEN. Until 6 PM EDT this evening. * IMPACTS. Shallow flooding is expected in the most vulnerable locations near the waterfront and shoreline resulting in a low threat of property damage. Expect up to one foot of water above ground level in low lying, vulnerable areas. Some roads and low lying property including parking lots, parks and lawns near the waterfront will experience shallow flooding.