* 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. From 1 AM to 9 PM EDT Wednesday, 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 two high tides at Annapolis U.S. Naval Academy are at 4:03 AM and 4:12 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, up to one foot of inundation above ground level possible in low lying areas due to tidal flooding. * WHERE. Shoreline in St. Marys County. * WHEN. For the Coastal Flood Advisory, until 11 AM EDT Wednesday, especially around the time of high tide. For the Coastal Flood Watch, from Wednesday morning through Thursday afternoon, 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 two high tides at Point Lookout are at 11:53 PM and 12:09 PM. The next two high tides at Coltons Point are at 1:22 AM and 1:51 PM. The next two high tides at Piney Point are at 12:46 AM and 1:15 PM.

* WHAT. Up to 103 feet of inundation above ground level expected in low lying areas due to tidal flooding. * WHERE. Shoreline in Charles and King George Counties. * WHEN. Until 4 PM EDT Wednesday, 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 two high tides at Indian Head are at 6:26 AM and 6:55 PM. The next two high tides at Goose Bay are at 2:32 AM and 3:01 PM. The next two high tides at Dahlgren are at 1:24 AM and 1:46 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 District of Columbia. * WHEN. From 4 AM to 10 PM EDT Wednesday, 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 to one and a half feet above normal. The next two high tides at Washington Channel are at 6:40 AM and 7:09 PM.

* WHAT. Up to one half foot of inundation above ground level expected in low lying areas due to tidal flooding. * WHERE. Shoreline in Calvert County. * WHEN. Until 4 PM EDT Wednesday, 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 two high tides at Chesapeake Beach are at 2:34 AM and 2:50 PM. The next two high tides at Solomons Island are at 12:43 AM and 12:58 PM.

* 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, up to two feet of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE. Westmoreland and Northumberland Counties. * WHEN. For the Coastal Flood Advisory, until 5 AM EDT Wednesday. For the Coastal Flood Warning, from 8 AM Wednesday to 4 AM EDT Thursday. * 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 expected in low lying areas due to tidal flooding. * WHERE. Shoreline in the District of Columbia. * WHEN. From 4 AM to 10 PM EDT Wednesday, 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 to one and a half feet above normal. The next two high tides at Washington Channel are at 6:40 AM and 7:09 PM.

* 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 4 PM EDT Wednesday, 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 two high tides at Indian Head are at 6:26 AM and 6:55 PM. The next two high tides at Goose Bay are at 2:32 AM and 3:01 PM. The next two high tides at Dahlgren are at 1:24 AM and 1:46 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, up to one foot of inundation above ground level possible in low lying areas due to tidal flooding. * WHERE. Shoreline in St. Marys County. * WHEN. For the Coastal Flood Advisory, until 11 AM EDT Wednesday, especially around the time of high tide. For the Coastal Flood Watch, from Wednesday morning through Thursday afternoon, 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 two high tides at Point Lookout are at 11:53 PM and 12:09 PM. The next two high tides at Coltons Point are at 1:22 AM and 1:51 PM. The next two high tides at Piney Point are at 12:46 AM and 1:15 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. From 1 AM to 9 PM EDT Wednesday, 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 two high tides at Annapolis U.S. Naval Academy are at 4:03 AM and 4:12 PM.

* WHAT. Up to one half foot of inundation above ground level expected in low lying areas due to tidal flooding. * WHERE. Shoreline in Calvert County. * WHEN. Until 4 PM EDT Wednesday, 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 two high tides at Chesapeake Beach are at 2:34 AM and 2:50 PM. The next two high tides at Solomons Island are at 12:43 AM and 12:58 PM.

* WHAT. Northeast winds 10 to 15 kt with gusts up to 25 kt. * WHERE. Chesapeake Bay from Sandy Point MD to Smith Point VA, Tidal Potomac from Cobb Island MD to Smith Point VA, Eastern Bay, Choptank River to Cambridge MD and the Little Choptank River, and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN. Until 7 AM EDT Thursday. * IMPACTS. Conditions will be hazardous to small craft.

* 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. 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 5 PM EDT Friday, 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 12:09 PM and 12:44 AM. The next high tide at Piney Point is at 12:46 AM and 1:15 PM. The next high tide at Coltons Point is at 1:22 AM and 1:51 PM.

* WHAT. For the Coastal Flood Advisory, up to one half 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. Coastal Westmoreland and Northumberland Counties. * WHEN. For the Coastal Flood Advisory, until 5 AM EDT early this morning. For the Coastal Flood Warning, from 8 AM this morning to 4 AM EDT Thursday. * 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.