* WHAT. One to two feet of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in the District of Columbia, Arlington County, and the City of Alexandria. * 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. 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 10:35 AM and 10:52 PM. The next high tides at Washington Channel are 10:17 AM and 10:34 PM.

* WHAT. Up to one foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. St. Marys and Calvert Counties. * 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, water covers roads on Saint George Island, is in yards, and is approaching structures. To the east, inundation is occurring at multiple marinas off St. Mary's River, Smith Creek, and Jutland Creek. 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 tides at Solomons Island are 4:06 AM and 4:42 PM. The next high tides at Chesapeake Beach are 5:54 AM and 6:43 PM. The next high tides at Coltons Point are 4:59 AM and 5:16 PM. The next high tides at Point Lookout are 4:02 PM and 3:58 AM. The next high tides at Piney Point are 4:23 AM and 4:40 PM.

* WHAT. For the Coastal Flood Advisory, up to one half foot of inundation above ground level in low lying areas due to tidal flooding. For the Coastal Flood Watch, up to one foot 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 tides at Annapolis U.S. Naval Academy are 7:09 AM and 8:10 PM.

* WHAT. For the Coastal Flood Advisory, up to one foot of inundation above ground level in low-lying areas near shorelines and tidal waterways. For the Coastal Flood Watch, one to two feet of inundation above ground level possible in low-lying areas near shorelines and tidal waterways. * WHERE. Kent and Inland Sussex. * WHEN. For the Coastal Flood Advisory, until 6 AM EDT Saturday. For the Coastal Flood Watch, from Saturday morning through Sunday afternoon. * IMPACTS. At this level, widespread roadway flooding occurs in coastal and bayside communities and along inland tidal waterways. Many roads become impassable. Some damage to vulnerable structures may begin to occur. * ADDITIONAL DETAILS. Some guidance continues to indicate moderate coastal flooding may occur during the Friday morning high tide cycle. While confidence in this remains low, a short- fused warning may be issued during the next update to cover this high tide cycle.

* WHAT. Up to one foot of inundation above ground level expected in low- lying areas near shorelines and tidal waterways. * WHERE. Queen Annes, Talbot and Caroline Counties. * WHEN. Until 4 PM EDT this afternoon. * IMPACTS. With minor flooding, widespread roadway flooding occurs in coastal and bayside communities and along inland tidal waterways. * ADDITIONAL DETAILS. Additional tidal flooding is possible with high tide cycles on Saturday and Sunday.

* WHAT. Up to one foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE. In Delaware, New Castle. In New Jersey, Salem. * WHEN. Until 3 PM EDT this afternoon. * IMPACTS. With minor flooding, widespread roadway flooding occurs in coastal and bayside communities and along inland tidal waterways. * ADDITIONAL DETAILS. Additional tidal flooding is possible with high tide cycles on Saturday and Sunday.

* WHAT. For the Coastal Flood Advisory, up to one foot of inundation above ground level in low-lying areas near shorelines and tidal waterways. For the Coastal Flood Watch, one to two feet of inundation above ground level possible in low-lying areas near shorelines and tidal waterways. * WHERE. Kent and Inland Sussex Counties in Delaware. * WHEN. For the Coastal Flood Advisory, until 6 AM EDT Saturday. For the Coastal Flood Watch, from Saturday morning through Sunday afternoon. * IMPACTS. With moderate flooding, widespread roadway flooding occurs in coastal and bayside communities and along inland tidal waterways. Many roads become impassable. Some damage to vulnerable structures may begin to occur.

* WHAT. Up to one half foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE. Queen Annes, Talbot and Caroline. * WHEN. From 5 PM this afternoon to 8 PM EDT this evening. * IMPACTS. At this level, flooding begins on the most vulnerable roads in bayside communities and along tidal waterways. Some partial or full road closures are possible. * ADDITIONAL DETAILS. Additional tidal flooding is possible with high tide cycles on Saturday and Sunday.

* WHAT. For the Coastal Flood Advisory, up to one foot of inundation above ground level in low-lying areas near shorelines and tidal waterways. For the Coastal Flood Watch, one to two feet of inundation above ground level possible in low-lying areas near shorelines and tidal waterways. * WHERE. Kent and Inland Sussex Counties in Delaware. * WHEN. For the Coastal Flood Advisory, until 6 AM EDT Saturday. For the Coastal Flood Watch, from Saturday morning through Sunday afternoon. * IMPACTS. With moderate flooding, widespread roadway flooding occurs in coastal and bayside communities and along inland tidal waterways. Many roads become impassable. Some damage to vulnerable structures may begin to occur.

* WHAT. Up to one foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE. In Delaware, New Castle. In New Jersey, Salem. * WHEN. Until 3 PM EDT this afternoon. * IMPACTS. With minor flooding, widespread roadway flooding occurs in coastal and bayside communities and along inland tidal waterways. * ADDITIONAL DETAILS. Additional tidal flooding is possible with high tide cycles on Saturday and Sunday.

* WHAT. One to two feet of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in the District of Columbia, Arlington County, and the City of Alexandria. * WHEN. Until 8 PM 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. 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 10:35 AM and 10:52 PM. The next high tide at Washington Channel is at 10:17 AM and 10:34 PM.

* WHAT. Up to one foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Southern Baltimore and Southeast Harford Counties. * WHEN. Until 8 PM 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. At 4.5 feet, portions of the Havre de Grace Yacht Basin are flooded, along with Hutchins Park. * ADDITIONAL DETAILS. Tides two to two and a half feet above normal. The next high tide at Fort McHenry Baltimore is at 9:30 PM and 9:26 AM. The next high tide at Havre de Grace is at 12:02 PM and 12:16 AM.

* WHAT. For the Coastal Flood Advisory, up to one half foot of inundation above ground level in low lying areas due to tidal flooding. For the Coastal Flood Watch, 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. 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 Sunday evening, 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 two to two and a half feet above normal. The next high tide at Annapolis U.S. Naval Academy is at 8:10 PM and 7:52 AM.

* WHAT. Up to one foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. St. Marys and Calvert Counties. * WHEN. Until 8 PM 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, water covers roads on Saint George Island, is in yards, and is approaching structures. To the east, inundation is occurring at multiple marinas off St. Mary's River, Smith Creek, and Jutland Creek. 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 Piney Point is at 4:40 PM and 5:13 AM. The next high tide at Point Lookout is at 4:02 PM and 3:58 AM. The next high tide at Solomons Island is at 4:42 PM and 4:53 AM. The next high tide at Coltons Point is at 5:16 PM and 5:49 AM. The next high tide at Chesapeake Beach is at 6:43 PM and 6:39 AM.