* 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 1 PM 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 8:32 PM this evening and 9:30 AM Sunday morning.

* 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 11 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 Chesapeake Beach is at 7:28 PM this evening and 7:56 AM Sunday morning. High tide at Solomons Island is at 5:33 PM this afternoon and 6:11 AM Sunday morning.

SMWLWX The National Weather Service in Sterling Virginia has issued a * Special Marine Warning for. Tidal Potomac from Key Bridge to Indian Head MD. * Until 1245 AM EDT. * At 1120 PM EDT, strong thunderstorms were located along a line extending from 21 nm northwest of Key Bridge to 23 nm northwest of Mason Neck State Park, moving southeast at 25 knots. HAZARD. Wind gusts 34 knots or greater. SOURCE. Radar indicated. IMPACT. Boaters in small craft could be thrown overboard by suddenly higher winds and waves capsizing their vessel. * Locations impacted include. Fort Washington, Tidal Basin, Reagan National Airport, Gunston Hall, Woodrow Wilson Bridge, Key Bridge, Fort Hunt, National Harbor, and Alexandria.

The areas affected include. Tidal Potomac from Indian Head to Cobb Island MD. At 1143 PM EDT, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots. These thunderstorms were located along a line extending from 10 nm northwest of Mason Neck State Park to 18 nm northwest of Quantico, moving southeast at 30 knots. Locations impacted include. Potomac Creek, Widewater, Maryland Point, Nanjemoy Creek, Port Tobacco River, Leesylvania State Park, Quantico, Mathias Point, Mason Neck State Park, Indian Head, Occoquan Bay, Brent Point, Smallwood State Park, and Fairview Beach.

For the following areas. Tidal Potomac from Key Bridge to Indian Head MD. At 1138 PM EDT, strong thunderstorms were located along a line extending from 13 nm northwest of Key Bridge to 14 nm northwest of Mason Neck State Park, moving southeast at 30 knots. HAZARD. Wind gusts 34 knots or greater. SOURCE. Observed wind gust of 39 knots at Dulles International Airport. IMPACT. Boaters in small craft could be thrown overboard by suddenly higher winds and waves capsizing their vessel. Locations impacted include. Fort Washington, Tidal Basin, Reagan National Airport, Gunston Hall, Woodrow Wilson Bridge, Key Bridge, Fort Hunt, National Harbor, and Alexandria.

* WHAT. Southeast winds 10 to 15 kt with gusts up to 20 kt expected. * WHERE. Chesapeake Bay main channel north of Smith Point VA, Tidal Potomac from Cobb Island MD to Smith Point VA, Patapsco River including Baltimore Harbor, and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN. Until 4 AM 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 Charles and King George Counties. * WHEN. Until 11 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 Goose Bay is at 7:46 PM this evening and 7:47 AM Sunday morning. High tide at Dahlgren is at 6:31 PM this evening and 6:47 AM Sunday morning.

* 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 3 PM 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 and a half to two feet above normal. High tide at Alexandria is at 12:12 AM overnight and 12:13 PM Sunday afternoon. High tide at Washington Channel is at 11:54 PM this evening and 11:55 AM Sunday morning.

* 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 8 AM to 3 PM 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 10:43 AM Sunday morning.

* 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 1 PM 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 8:32 PM this evening and 9:30 AM Sunday morning.

* 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 11 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 Chesapeake Beach is at 7:56 AM Sunday morning. High tide at Solomons Island is at 6:11 AM Sunday morning.