* WHAT. South winds 10 to 15 kt with gusts up to 20 kt. * WHERE. Chesapeake Bay and adjoining estuaries north of Smith Point VA, and Tidal Potomac from Cobb Island MD to Smith Point VA. * WHEN. Until 8 AM EDT Sunday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. South winds 10 to 15 kt with gusts up to 20 kt. * WHERE. Chesapeake Bay and adjoining estuaries north of Smith Point VA, and Tidal Potomac from Cobb Island MD to Smith Point VA. * WHEN. Until 8 PM EDT this evening. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Flash flooding caused by excessive rainfall is possible. * WHERE. A portion of central Pennsylvania, including the following counties, Adams, Cumberland and Huntingdon. * WHEN. Through this evening. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS. - Showers and thunderstorms with heavy rain will develop this afternoon. Some of the area received heavy rainfall on Saturday, and much of the area had heavy rain from Tropical Cyclone Debby a little over a week ago. The wet ground and possible rainfall may lead to flash flooding. - http://www.weather.gov/safety/flood

* WHAT. Flooding caused by excessive rainfall is possible. * WHERE. Portions of DC, including the following , District of Columbia, Maryland, including the following areas, Anne Arundel, Carroll, Cecil, Central and Southeast Howard, Central and Southeast Montgomery, Northern Baltimore, Northwest Harford, Northwest Howard, Northwest Montgomery, Prince Georges, Southeast Harford and Southern Baltimore, and northern Virginia, including the following areas, Arlington/Falls Church/Alexandria, Eastern Loudoun and Fairfax. * WHEN. From 2 PM EDT this afternoon through this evening. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS. - Widespread showers and thunderstorms are expected this afternoon into this evening with multiple rounds possible. Thunderstorms may be capable of producing intense rainfall rates of an inch or two per hour which may result in flash flooding of small streams and creeks. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information

* 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 9 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 to one and a half feet above normal. The next high tide at Annapolis U.S. Naval Academy is at 4:53 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 4 AM to 9 AM EDT Sunday, especially around the time of high tide. * IMPACTS. At 3.5 feet, flooding is occurring at the end of Thames Street in Baltimore. Water covers the promenade in the Inner Harbor in multiple locations. At 3.0 feet, water begins encroaching upon yards in the Bowleys Quarters area. * ADDITIONAL DETAILS. Tides one to one and a half feet above normal. The next high tide at Fort McHenry Baltimore is at 6:04 AM.

* 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 5 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 to one and a half feet above normal. The next high tide at Chesapeake Beach is at 3:17 AM. The next high tide at Solomons Island is at 1:32 AM.

* 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 5 AM to 10 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 to one and a half feet above normal. The next high tide at Washington Channel is at 7:20 AM.