* 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 early this morning to 1 PM EDT this afternoon, 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 two to two and a half feet above normal. The next high tide at Fort McHenry Baltimore is at 7:49 AM and 8:00 PM.

* 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 11 AM EDT this morning, 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 6:27 AM and 6:24 PM.

* WHAT. South winds 10 to 20 kt with gusts up to 25 kt through late tonight, becoming west Wednesday morning. * WHERE. Tidal Potomac River from Key Bridge to Smith Point VA, and Chesapeake Bay and adjoining estuaries north of Smith Point VA. * WHEN. Until 2 PM EDT Wednesday. * IMPACTS. Conditions will be hazardous to small craft. * ADDITIONAL DETAILS. Gusts to near 30 knots are possible over the main channel of the Chesapeake Bay between Sandy Point and Drum Point MD this evening. Waves of 2 to 4 feet are expected tonight for the main channel of the Chesapeake Bay between Pooles Island MD and Smith Point VA, and near the mouth of some of the larger tidal tributaries.