* WHAT. Up to two feet of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in the District of Columbia. * WHEN. Until 2 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 and a half to two feet above normal. The next high tide at Washington Channel is at 9:47 PM and 10:17 AM.

* WHAT. Up to two feet of inundation above ground level expected in low lying areas due to tidal flooding. * WHERE. Shoreline in Calvert County. * WHEN. Until 11 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 3.5 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 4:06 AM and 4:42 PM. The next high tide at Chesapeake Beach is at 5:54 AM and 6:43 PM.

* WHAT. Up to two feet of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in Charles and King George Counties. * WHEN. Until 8 AM EDT Sunday, especially around the time of high tide. * IMPACTS. At 3.5 feet, water reaches yards near Cobb Island and docks near Dahlgren. * ADDITIONAL DETAILS. Tides two to two and a half feet above normal. The next high tide at Indian Head is at 9:33 PM and 10:03 AM. The next high tide at Goose Bay is at 6:09 AM and 6:26 PM. The next high tide at Dahlgren is at 4:59 AM and 5:25 PM.

* WHAT. For the Coastal Flood Advisory, up to one and a half feet of inundation above ground level in low lying areas due to tidal flooding. For the Coastal Flood Watch, two to two and a half feet of inundation above ground level possible in low lying areas due to tidal flooding. * WHERE. Shoreline in Anne Arundel County. * WHEN. For the Coastal Flood Advisory, until 6 PM EDT Saturday, especially around the time of high tide. For the Coastal Flood Watch, 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. Bayside Beach begins to flood around Harbor Rd and Lake Dr. * ADDITIONAL DETAILS. Tides one and a half to two feet above normal. The next high tide at Annapolis U.S. Naval Academy is at 7:09 AM and 8:10 PM.

* WHAT. For the Coastal Flood Advisory, up to one and a half feet of inundation above ground level in low lying areas due to tidal flooding. For the Coastal Flood Watch, two to two and a half feet of inundation above ground level possible in low lying areas due to tidal flooding. * WHERE. Shoreline in Anne Arundel County. * WHEN. For the Coastal Flood Advisory, until 6 PM EDT Saturday, especially around the time of high tide. For the Coastal Flood Watch, 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. Bayside Beach begins to flood around Harbor Rd and Lake Dr. * ADDITIONAL DETAILS. Tides one and a half to two feet above normal. The next high tide at Annapolis U.S. Naval Academy is at 7:09 AM and 8:10 PM.

* WHAT. Up to two feet of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in the District of Columbia. * WHEN. Until 2 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 and a half to two feet above normal. The next high tide at Washington Channel is at 9:47 PM and 10:17 AM.

* WHAT. Up to one 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 2 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 and a half to two feet above normal. The next high tide at Alexandria is at 10:05 PM and 10:35 AM.

* WHAT. Up to two feet of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in Charles and King George Counties. * WHEN. Until 8 AM EDT Sunday, especially around the time of high tide. * IMPACTS. At 3.5 feet, water reaches yards near Cobb Island and docks near Dahlgren. * ADDITIONAL DETAILS. Tides two to two and a half feet above normal. The next high tide at Indian Head is at 9:33 PM and 10:03 AM. The next high tide at Goose Bay is at 6:09 AM and 6:26 PM. The next high tide at Dahlgren is at 4:59 AM and 5:25 PM.

* WHAT. Up to one half foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in St. Marys County. * WHEN. Until 11 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 3.5 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 two to two and a half feet above normal. The next high tide at Coltons Point is at 4:59 AM and 5:16 PM. The next high tide at Point Lookout is at 3:13 AM and 4:02 PM. The next high tide at Chesapeake Beach is at 5:54 AM and 6:43 PM. The next high tide at Solomons Island is at 4:06 AM and 4:42 PM. The next high tide at Piney Point is at 4:23 AM and 4:40 PM.