* 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. 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 5 AM EDT Wednesday, especially around the time of high tide. * IMPACTS. 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. * ADDITIONAL DETAILS. Tides one and a half to two feet above normal. The next high tide at Piney Point is at 2:29 PM and 2:45 AM. The next high tide at Coltons Point is at 3:05 PM and 3:21 AM. The next high tide at Point Lookout is at 1:28 PM and 1:37 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 half foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in Charles and King George Counties. * WHEN. Until 6 AM EDT Wednesday, 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 one and a half to two feet above normal. The next high tide at Goose Bay is at 4:15 PM and 4:31 AM. The next high tide at Dahlgren is at 3:03 PM and 3:19 AM. The next high tide at Indian Head is at 8:09 PM and 8:25 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. For the Coastal Flood Warning, one of two feet 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. Westmoreland, Richmond, Northumberland, Western Essex and Eastern Essex Counties. * WHEN. For the Coastal Flood Warning, until 6 AM EDT Wednesday. For the Coastal Flood Watch, from Wednesday morning through Wednesday afternoon. * IMPACTS. Widespread flooding of vulnerable areas will result in an elevated threat of property damage to homes and businesses near the waterfront and shoreline. Water will be 1 to 2 feet above ground level in some areas resulting in a sufficient depth to close numerous roads and threaten homes and businesses. Flooding will extend inland from the waterfront along tidal rivers and bays resulting in some road closures and flooding of vehicles.

* WHAT. Up to two feet of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in St. Marys County. * WHEN. Until midnight EDT Thursday night, especially around the time of high tide. * IMPACTS. 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. * ADDITIONAL DETAILS. Tides two to two and a half feet above normal. The next high tide at Coltons Point is at 3:05 PM and 3:21 AM. The next high tide at Piney Point is at 2:29 PM and 2:45 AM. The next high tide at Point Lookout is at 1:28 PM and 1:37 AM.

* WHAT. Up to one and a half feet 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 tide at Alexandria is at 8:41 PM and 8:57 AM.

* WHAT. Up to one and a half feet 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 and Jefferson Memorial.. * 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 two and a half feet of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in Charles and King George Counties. * WHEN. Until 1 AM EDT Friday, 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 Dahlgren is at 3:03 PM and 3:19 AM. The next high tide at Indian Head is at 8:09 PM and 8:25 AM. The next high tide at Goose Bay is at 4:15 PM and 4:31 AM.

* WHAT. Up to two feet 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 tide at Annapolis U.S. Naval Academy is at 5:28 PM and 5:34 AM.

* WHAT. Around one and a half feet 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 3.5 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 Chesapeake Beach is at 4:09 PM and 4:18 AM. The next high tide at Solomons Island is at 2:16 PM and 2:35 AM.

* WHAT. Northeast winds 10 to 15 kt with gusts up to 20 kt. * WHERE. Chesapeake Bay from Sandy Point MD to Drum Point MD, Eastern Bay, and Choptank River to Cambridge MD and the Little Choptank River. * WHEN. Until 6 PM EDT this evening. * IMPACTS. Conditions will be hazardous to small craft.