The areas affected include. Chesapeake Bay from Pooles Island to Sandy Point MD. Chesapeake Bay north of Pooles Island MD. Chester River to Queenstown MD. Eastern Bay. Patapsco River including Baltimore Harbor. At 529 AM EDT, Doppler radar indicated a line of showers and thunderstorms, capable of producing winds to around 30 knots. These showers and thunderstorms were located along a line extending from 29 nm northwest of Gunpowder River to 24 nm west of Middle River, moving east at 35 knots.

* WHAT. West winds 10 to 15 kt with gusts up to 20 kt expected. * WHERE. Tidal Potomac River from Key Bridge to Cobb Island MD, Chesapeake Bay north of North Beach MD, Patapsco River including Baltimore Harbor, Chester River to Queenstown MD, and Eastern Bay. * WHEN. From noon today to 6 PM EDT this evening. * 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. Until 11 AM EDT this morning, 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 between one half foot and one foot above normal. The next high tide at Washington Channel is at 8:40 AM.

* 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 9 AM EDT this morning, 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 6:10 AM.