* WHAT. Up to one foot of inundation above ground level expected in low lying areas due to tidal flooding. * WHERE. Shoreline in the District of Columbia, Arlington County, and the City of Alexandria. * WHEN. From 4 PM this afternoon to 9 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. 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 Washington Channel is at 5:44 PM and 6:09 AM. The next high tide at Alexandria is at 6:02 PM and 6:27 AM.

* 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 Sunday, 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 Solomons Island is at 11:30 AM and 12:17 AM. The next high tide at Chesapeake Beach is at 1:28 PM and 2:03 AM.

* 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 Warning, 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. For the Coastal Flood Advisory, until 5 PM EDT this afternoon, especially around the time of high tide. For the Coastal Flood Warning, from 11 PM this evening to 8 AM EDT Sunday, 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 2:47 PM and 3:34 AM.

* 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 Warning, up to one foot of inundation above ground level expected in low lying areas due to tidal flooding. * WHERE. Shoreline in St. Marys County. * WHEN. For the Coastal Flood Advisory, until 2 PM EDT this afternoon, especially around the time of high tide. For the Coastal Flood Warning, from 8 PM this evening to 4 AM EDT Sunday, 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 one and a half to two feet above normal. The next high tide at Coltons Point is at 12:26 PM and 12:51 AM. The next high tide at Point Lookout is at 10:47 AM and 11:22 PM. The next high tide at Piney Point is at 11:50 AM and 12:15 AM.

* WHAT. East winds 10 to 15 kt with gusts up to 25 kt expected. * WHERE. Tidal Potomac from Indian Head to Cobb Island MD. * WHEN. From 6 PM this evening to 6 AM EDT Sunday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Southeast winds 10 to 15 kt with gusts up to 20 kt. * WHERE. Chesapeake Bay from Pooles Island MD to North Beach MD, Patapsco River including Baltimore Harbor, Chester River to Queenstown MD, Eastern Bay, and Patuxent River to Broomes Island MD. * WHEN. Until 3 PM EDT Sunday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Southeast winds 10 to 20 kt with gusts up to 25 kt. * WHERE. Chesapeake Bay from North Beach MD to Smith Point VA, Tidal Potomac from Cobb Island MD to Smith Point VA, and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN. Until 6 PM EDT Sunday. * 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 Calvert County. * WHEN. Until 3 AM EDT Sunday, 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 2:03 AM. The next high tide at Solomons Island is at 12:17 AM.

* 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 Warning, 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. For the Coastal Flood Advisory, until 5 PM EDT this afternoon, especially around the time of high tide. For the Coastal Flood Warning, from 11 PM this evening to 8 AM EDT Sunday, 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 3:34 AM.

* WHAT. Up to one half foot of inundation above ground level expected in low lying areas due to tidal flooding. * WHERE. Shoreline in Charles and King George Counties. * WHEN. From 10 PM this evening to 4 AM 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 one and a half to two feet above normal. The next high tide at Dahlgren is at 12:59 AM. The next high tide at Goose Bay is at 2:01 AM.

* WHAT. Up to one foot of inundation above ground level expected in low lying areas due to tidal flooding. * WHERE. Shoreline in the District of Columbia, Arlington County, and the City of Alexandria. * WHEN. Until 9 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. 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 tides at Alexandria are 6:02 PM and 6:27 AM. The next high tides at Washington Channel are 5:44 PM and 6:09 AM.

* WHAT. Up to one half foot of inundation above ground level expected in low lying areas due to tidal flooding. * WHERE. Shoreline in Southern Baltimore County and the city of Baltimore. * WHEN. From 3 AM to 7 AM EDT Sunday, especially around the time of high tide. * IMPACTS. At 3.0 feet, flooding is occurring at the end of Thames Street in Baltimore. Water also nearly covers the promenade at the dragon boat dock in the Inner Harbor. At 3.0 feet, water begins encroaching upon yards in the Bowleys Quarters area. * ADDITIONAL DETAILS. Tides one and a half to two feet above normal. The affected high tide at Fort McHenry Baltimore is at 4:50 AM.

* WHAT. Up to one foot of inundation above ground level expected in low lying areas due to tidal flooding. * WHERE. Shoreline in St. Marys County. * WHEN. From 8 PM this evening to 4 AM EDT Sunday, 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 one and a half to two feet above normal. The next high tide at Piney Point is at 12:15 AM. The next high tide at Coltons Point is at 12:51 AM. The next high tide at Point Lookout is at 11:22 PM.

* WHAT. Southeast winds 10 to 15 kt with gusts up to 20 kt. * WHERE. Chesapeake Bay from Pooles Island MD to North Beach MD, Patapsco River including Baltimore Harbor, Chester River to Queenstown MD, Eastern Bay, and Patuxent River to Broomes Island MD. * WHEN. Until 3 PM EDT Sunday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Southeast winds 10 to 20 kt with gusts up to 25 kt. * WHERE. Chesapeake Bay from North Beach MD to Smith Point VA, Tidal Potomac from Cobb Island MD to Smith Point VA, and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN. Until 6 PM EDT Sunday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. East winds 10 to 15 kt with gusts up to 25 kt expected. * WHERE. Tidal Potomac from Indian Head to Cobb Island MD. * WHEN. Until 6 AM EDT Sunday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. East winds around 10 kt with gusts up to 20 kt. * WHERE. Tidal Potomac from Indian Head to Cobb Island MD. * WHEN. Until 6 AM EDT Sunday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Southeast winds 10 to 15 kt with gusts up to 20 kt. * WHERE. Chesapeake Bay from Pooles Island MD to North Beach MD, Patapsco River including Baltimore Harbor, Chester River to Queenstown MD, Eastern Bay, and Patuxent River to Broomes Island MD. * WHEN. Until 3 PM EDT Sunday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Southeast winds 10 to 15 kt with gusts up to 25 kt. * WHERE. Chesapeake Bay from North Beach MD to Smith Point VA, Tidal Potomac from Cobb Island MD to Smith Point VA, and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN. Until 6 PM EDT Sunday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Up to one foot of inundation above ground level in low- lying areas near shorelines and tidal waterways. * WHERE. Westmoreland, Richmond, Northumberland and Lancaster Counties. * WHEN. Until 4 AM EDT Monday. * 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.

* 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 Sunday, 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. High tide at Solomons Island is at 12:17 AM. High tide at Chesapeake Beach is at 2:03 AM.

* WHAT. Up to one foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in St. Mary's County. * WHEN. Until 4 AM EDT Sunday, 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 one and a half to two feet above normal. High tide at Piney Point is at 12:15 AM. High tide at Coltons Point is at 12:51 AM. High tide at Point Lookout is at 11:22 PM.

* WHAT. Up to one half 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 AM 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 one and a half to two feet above normal. High tide at Dahlgren is at 12:59 AM. High tide at Goose Bay is at 2:01 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 Sunday, 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. High tide at Annapolis U.S. Naval Academy is at 3:34 AM.

* WHAT. Up to one half foot of inundation above ground level expected in low lying areas due to tidal flooding. * WHERE. Shoreline in Southern Baltimore County and the City of Baltimore. * WHEN. From 3 AM to 7 AM EDT Sunday, especially around the time of high tide. * IMPACTS. At 3.4 feet, flooding is occurring at the end of Thames Street in Baltimore. Water also nearly covers the promenade at the dragon boat dock in the Inner Harbor. At 3.0 feet, water begins encroaching upon yards in the Bowleys Quarters area. * ADDITIONAL DETAILS. Tides one and a half to two feet above normal. High tide at Fort McHenry Baltimore is at 4:50 AM.

* 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, Arlington County, and the City of Alexandria. * WHEN. Until 9 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. 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. High tide at Alexandria is at 6:27 AM. High tide at Washington Channel is at 6:09 AM.