* WHAT. Northeast winds 20 to 30 kt with gusts up to 40 kt and waves 2 to 4 ft possible. * WHERE. Chesapeake Bay north of Sandy Point MD, and Chester River to Queenstown MD. * WHEN. From Friday evening through late Saturday night. * IMPACTS. Strong winds can cause hazardous waves which could capsize or damage vessels.

* WHAT. Northeast winds 15 to 25 kt with gusts up to 35 kt possible. * WHERE. Tidal Potomac River from Key Bridge to Cobb Island MD, and Patapsco River including Baltimore Harbor. * WHEN. From Friday evening through late Saturday night. * IMPACTS. Strong winds can cause hazardous waves which could capsize or damage vessels.

* WHAT. Up to 104 feet of inundation above ground level possible in low lying areas due to tidal flooding. * WHERE. Shoreline in Charles and King George Counties. * WHEN. From Saturday morning through Saturday evening, especially around the time of high tide. * IMPACTS. At 5.0 feet, water covers yards and roads in Dahlgren and on Cobb Island. Water covers the approach to Cobb Island bridge and begins limiting the ability to reach the mainland. Also water approaches structures near Cobb Island. * ADDITIONAL DETAILS. Tides up to 3 feet above normal. The worst flooding will be during the Saturday morning and Saturday evening high tides.

* WHAT. One to two feet of inundation above ground level possible in low lying areas due to tidal flooding. * WHERE. Shoreline in Anne Arundel County. * WHEN. From Saturday evening through late Saturday night, especially around the time of high tide. * IMPACTS. At 3.5 feet, water reaches the floor of the Maritime Museum in Annapolis, begins to cover Bowyer Road on the Naval Academy campus, and numerous businesses on Dock Street are flooded, along with the City Dock parking lot. * ADDITIONAL DETAILS. Tides two to two and a half feet above normal. The worst flooding will be during the Saturday morning and Saturday evening high tides.

* WHAT. One and half to two feet of inundation above ground level possible in low lying areas due to tidal flooding. * WHERE. Shoreline in the District of Columbia. * WHEN. Late Saturday night, especially around the time of high tide. * IMPACTS. Numerous roads may be closed. Low lying property including homes, businesses, and some critical infrastructure may be inundated. Some shoreline erosion may occur. * ADDITIONAL DETAILS. Tides one to one and a half feet above normal. The worst flooding will be during the Saturday afternoon and Saturday evening high tides.

* WHAT. One to two feet of inundation above ground level possible in low lying areas due to tidal flooding. * WHERE. Shoreline in Calvert County. * WHEN. From Saturday morning through Saturday evening, 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 4.0 feet, flooding of structures near Charles Street in Solomons is possible. Yards, parking lots, and portions of both Charles and Williams Street are covered by more than a foot of water. * ADDITIONAL DETAILS. Tides two to two and a half feet above normal. The worst flooding will be during the Saturday morning and Saturday evening high tides.

* WHAT. One to two feet of inundation above ground level possible in low lying areas due to tidal flooding. * WHERE. Shoreline in Calvert County. * WHEN. From Saturday morning through Saturday evening, 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 4.0 feet, flooding of structures near Charles Street in Solomons is possible. Yards, parking lots, and portions of both Charles and Williams Street are covered by more than a foot of water. * ADDITIONAL DETAILS. Tides two to two and a half feet above normal. The worst flooding will be during the Saturday morning and Saturday evening high tides.

* WHAT. One and half to two feet of inundation above ground level possible in low lying areas due to tidal flooding. * WHERE. Shoreline in the District of Columbia. * WHEN. Late Saturday night, especially around the time of high tide. * IMPACTS. Numerous roads may be closed. Low lying property including homes, businesses, and some critical infrastructure may be inundated. Some shoreline erosion may occur. * ADDITIONAL DETAILS. Tides one to one and a half feet above normal. The worst flooding will be during the Saturday afternoon and Saturday evening high tides.

* WHAT. One to two feet of inundation above ground level possible in low lying areas due to tidal flooding. * WHERE. Shoreline in Charles and King George Counties. * WHEN. From Saturday morning through Saturday evening, especially around the time of high tide. * IMPACTS. At 5.0 feet, water covers yards and roads in Dahlgren and on Cobb Island. Water covers the approach to Cobb Island bridge and begins limiting the ability to reach the mainland. Also water approaches structures near Cobb Island. * ADDITIONAL DETAILS. Tides up to 3 feet above normal. The worst flooding will be during the Saturday morning and Saturday evening high tides.

* WHAT. One to two feet of inundation above ground level possible in low lying areas due to tidal flooding. * WHERE. Shoreline in Anne Arundel County. * WHEN. From Saturday evening through late Saturday night, especially around the time of high tide. * IMPACTS. At 3.5 feet, water reaches the floor of the Maritime Museum in Annapolis, begins to cover Bowyer Road on the Naval Academy campus, and numerous businesses on Dock Street are flooded, along with the City Dock parking lot. * ADDITIONAL DETAILS. Tides two to two and a half feet above normal. The worst flooding will be during the Saturday morning and Saturday evening high tides.