* WHAT. For the Coastal Flood Advisory, up to one foot of inundation above ground level in low-lying areas near shorelines and tidal waterways. For the Coastal Flood Warning, one to two feet of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE. Westmoreland, Richmond, Northumberland, Western Essex and Eastern Essex Counties. * WHEN. For the Coastal Flood Advisory, until 6 PM EDT this evening. For the Coastal Flood Warning, until 4 AM EDT Saturday. * IMPACTS. Widespread flooding of vulnerable areas will result in an elevated threat of property damage to homes and businesses near the waterfront and shoreline. Water will be 1 to 2 feet above ground level in some areas resulting in a sufficient depth to close numerous roads and threaten homes and businesses. Flooding will extend inland from the waterfront along tidal rivers and bays resulting in some road closures and flooding of vehicles.

* WHAT. Up to one half foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in St. Marys County. * WHEN. Until 3 AM EDT Saturday, 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 Piney Point is at 11:41 PM. The next high tide at Coltons Point is at 12:17 AM. The next high tide at Point Lookout is at 11:07 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 3 AM EDT Saturday, 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 Solomons Island is at 11:58 PM. The next high tide at Chesapeake Beach is at 1:48 AM.

* WHAT. Up to one foot of inundation above ground level expected in low lying areas due to tidal flooding. * WHERE. Shoreline in Anne Arundel County. * WHEN. Until 8 AM EDT Saturday, 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 3:13 AM.

* 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. * WHEN. Until 8 AM 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 and Jefferson Memorial. * ADDITIONAL DETAILS. Tides one and a half to two feet above normal. The next high tide at Washington Channel is at 5:35 AM.

* 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 3 AM EDT Saturday, 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 5:21 AM. The next high tide at Dahlgren is at 12:30 AM. The next high tide at Goose Bay is at 1:27 AM.

* WHAT. One to two feet of inundation above ground level in low- lying areas near shorelines and tidal waterways. * WHERE. Westmoreland, Richmond, Northumberland, Western Essex and Eastern Essex Counties. * WHEN. Until 4 AM EDT Saturday. * IMPACTS. Widespread flooding of vulnerable areas will result in an elevated threat of property damage to homes and businesses near the waterfront and shoreline. Water will be 1 to 2 feet above ground level in some areas resulting in a sufficient depth to close numerous roads and threaten homes and businesses. Flooding will extend inland from the waterfront along tidal rivers and bays resulting in some road closures and flooding of vehicles.

* WHAT. Southeast winds 10 to 20 kt with gusts up to 30 kt. * WHERE. Tidal Potomac River from Key Bridge to Smith Point VA, Chesapeake Bay from North Beach MD to Smith Point VA, Choptank River to Cambridge MD and the Little Choptank River, Patuxent River to Broomes Island MD, and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN. Until 3 AM EDT Saturday. * IMPACTS. Conditions will be hazardous to small craft.