* WHAT. Up to one foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in Calvert County. * WHEN. Until 6 AM EDT Wednesday, 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 3.5 feet, yards are flooded near Charles Street and Williams Street in Solomons. Nearby parking lots and the streets themselves are covered by more than a half foot of water. * ADDITIONAL DETAILS. Tides one and a half to two feet above normal. The next high tide at Solomons Island is at 2:16 PM and 2:35 AM. The next high tide at Chesapeake Beach is at 4:09 PM and 4:18 AM.

* WHAT. Up to one half foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in the City of Alexandria and Arlington County. * WHEN. Until 8 AM EDT Wednesday, especially around the time of high tide. * IMPACTS. 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. The next high tide at Alexandria is at 8:41 PM and 8:57 AM.

* WHAT. For the Coastal Flood Warning, up to one foot of inundation above ground level in low lying areas due to tidal flooding. For the Coastal Flood Advisory, 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. For the Coastal Flood Warning, until 8 PM EDT this evening, especially around the time of high tide. For the Coastal Flood Advisory, from 8 PM this evening to 8 AM EDT Wednesday, 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 5:28 PM and 5:34 AM.

* WHAT. Up to one foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in the District of Columbia. * WHEN. Until 8 AM EDT Wednesday, 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. * ADDITIONAL DETAILS. Tides one and a half to two feet above normal. The next high tide at Washington Channel is at 8:23 PM and 8:39 AM.

* WHAT. Up to one half foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE. Kent, Inland Sussex and Delaware Beaches. * WHEN. Until noon EDT Wednesday. * IMPACTS. At this level, flooding begins on the most vulnerable roads in coastal and bayside communities, and along inland tidal waterways. Some partial or full road closures are possible.

* 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 1 AM EDT Friday, 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. The next high tides at Solomons Island are 2:35 AM and 2:53 PM. The next high tides at Chesapeake Beach are 4:18 AM and 4:50 PM.

* 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 4 AM EDT Friday, 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 tides at Annapolis U.S. Naval Academy are 5:34 AM and 6:08 PM.

* WHAT. Up to one half foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in the City of Alexandria and Arlington County. * WHEN. Until 4 AM EDT Friday, especially around the time of high tide. * IMPACTS. 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. The next high tides at Alexandria are 8:57 AM and 9:16 PM.

* WHAT. Up to one foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in the District of Columbia. * WHEN. Until 4 AM EDT Friday, 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. Portions of the Swamp Trail on Roosevelt Island are flooded. * ADDITIONAL DETAILS. Tides one and a half to two feet above normal. The next high tides at Washington Channel are 8:39 AM and 8:58 PM.

* 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 4 AM EDT Friday, 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 tides at Annapolis U.S. Naval Academy are 5:34 AM and 6:08 PM.

* WHAT. Up to one foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in the District of Columbia. * WHEN. Until 4 AM EDT Friday, 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. Portions of the Swamp Trail on Roosevelt Island are flooded. * ADDITIONAL DETAILS. Tides one and a half to two feet above normal. The next high tides at Washington Channel are 8:39 AM and 8:58 PM.

* WHAT. Up to one half foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in the City of Alexandria and Arlington County. * WHEN. Until 4 AM EDT Friday, especially around the time of high tide. * IMPACTS. 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. The next high tides at Alexandria are 8:57 AM and 9:16 PM.

* 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 1 AM EDT Friday, 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. The next high tides at Solomons Island are 2:35 AM and 2:53 PM. The next high tides at Chesapeake Beach are 4:18 AM and 4:50 PM.

* WHAT. Up to one half foot of inundation above ground level in low-lying areas near shorelines and tidal waterways. * WHERE. Kent, Inland Sussex and Delaware Beaches. * WHEN. Until noon EDT Wednesday. * IMPACTS. At this level, flooding begins on the most vulnerable roads in coastal and bayside communities, and along inland tidal waterways. Some partial or full road closures are possible.