* WHAT. Northeast winds 10 to 15 kt with gusts up to 20 kt. * WHERE. Tidal Potomac from Indian Head to Cobb Island MD. * WHEN. Until 6 PM EDT this evening. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Northeast winds 10 to 15 kt with gusts up to 25 kt. * WHERE. Chesapeake Bay from Pooles Island MD to North Beach MD, Eastern Bay, and Choptank River to Cambridge MD and the Little Choptank River. * WHEN. Until 6 AM EDT Thursday. * IMPACTS. Conditions will be hazardous to small craft.

* 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 11 PM EDT this evening, 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 to one and a half feet above normal. The next high tide at Washington Channel is at 8:41 AM and 9:00 PM. PRECAUTIONAShoreline 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.RY/PREPAREDNESS ACTIONS. If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.

* 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 11 PM EDT this evening, especially around the time of high tide. * IMPACTS. Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS. Tides one to one and a half feet above normal. The next high tide at Alexandria is at 8:59 AM and 9:18 PM.

* 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 PM EDT this evening, 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 to one and a half feet above normal. The next high tide at Indian Head is at 8:27 AM and 8:46 PM. The next high tide at Goose Bay is at 4:52 PM and 5:20 AM. The next high tide at Dahlgren is at 3:45 PM and 4:10 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, Arlington County, and the City of Alexandria. * WHEN. Until midnight EDT Thursday night, 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 to one and a half feet above normal. The next high tide at Alexandria is at 9:18 PM and 9:46 AM. The next high tide at Washington Channel is at 9:00 PM and 9:28 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 Anne Arundel County. * WHEN. Until 10 PM EDT Thursday, especially around the time of high tide. * IMPACTS. At 2.8 feet, flooding of some of the parking area near Dock Street in Annapolis may occur, with water surrounding the Alex Haley Memorial. * ADDITIONAL DETAILS. Tides one to one and a half feet above normal. The next high tide at Annapolis U.S. Naval Academy is at 6:20 PM and 6:27 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 7 PM EDT Thursday, 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 Indian Head is at 8:46 PM and 9:14 AM. The next high tide at Goose Bay is at 4:52 PM and 5:20 AM. The next high tide at Dahlgren is at 3:45 PM and 4:10 AM.

* WHAT. Northeast winds 10 to 15 kt with gusts up to 20 kt. * WHERE. Tidal Potomac from Indian Head to Cobb Island MD. * WHEN. Until 6 PM EDT this evening. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Northeast winds 10 to 15 kt with gusts up to 25 kt. * WHERE. Chesapeake Bay from Pooles Island MD to North Beach MD, Eastern Bay, and Choptank River to Cambridge MD and the Little Choptank River. * WHEN. Until 6 AM EDT Thursday. * IMPACTS. Conditions will be hazardous to small craft.