* WHAT. Up to one foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in Southern Baltimore County and the city of Baltimore. * WHEN. Until 4 AM EDT Monday, 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. * ADDITIONAL DETAILS. Tides one and a half to two feet above normal. The next high tide at Fort McHenry Baltimore is at 10:24 PM and 10:14 AM.

* WHAT. Up to one foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in Charles and King George Counties. * WHEN. Until 11 PM 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 Dahlgren is at 6:41 AM and 7:11 PM. The next high tide at Goose Bay is at 7:54 AM and 8:11 PM. The next high tide at Indian Head is at 11:11 PM and 11:48 AM.

* 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 4 AM EDT Monday, 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 11:43 PM and 12:20 PM. The next high tide at Washington Channel is at 11:25 PM and 12:02 PM.

* 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 11 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, 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 7:27 AM and 8:33 PM. The next high tide at Solomons Island is at 5:44 AM and 6:35 PM.

* WHAT. One 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 Monday, 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 9:06 PM and 8:37 AM.

* WHAT. Up to one foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in Southern Baltimore County and the city of Baltimore. * WHEN. Until 4 AM EDT Monday, 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. * ADDITIONAL DETAILS. Tides one and a half to two feet above normal. The next high tide at Fort McHenry Baltimore is at 10:14 AM and 11:20 PM.

* WHAT. For the Coastal Flood Warning, one to two feet of inundation above ground level in low lying areas due to tidal flooding. For the Coastal Flood Advisory, one to two feet of inundation above ground level expected in low lying areas due to tidal flooding. * WHERE. Shoreline in the District of Columbia, Arlington County, and the City of Alexandria. * WHEN. For the Coastal Flood Warning, until 2 AM EDT Sunday, especially around the time of high tide. For the Coastal Flood Advisory, from 9 AM Sunday to 4 AM EDT Monday, especially around the time of high tide. * IMPACTS. The unprotected area on the Southwest Waterfront at the DC Seafood Market is expected to flood. Water is expected to approach parts of the Hains Point Loop Road, but it will likely be closed. Water is expected to approach buildings near King Street and Union Street. * ADDITIONAL DETAILS. Tides one and a half to two feet above normal. The next high tide at Alexandria is at 11:43 PM and 12:20 PM. The next high tide at Washington Channel is at 11:25 PM and 12:02 PM.

* WHAT. One 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 Monday, 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 8:37 AM and 10:06 PM.

* 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 11 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, 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 7:27 AM and 8:33 PM. The next high tide at Solomons Island is at 5:44 AM and 6:35 PM.

* WHAT. Up to one foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in Charles and King George Counties. * WHEN. Until 11 PM 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 Dahlgren is at 6:41 AM and 7:11 PM. The next high tide at Goose Bay is at 7:54 AM and 8:11 PM. The next high tide at Indian Head is at 11:11 PM and 11:48 AM.

* WHAT. Up to one foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in Southern Baltimore County and the city of Baltimore. * WHEN. Until 4 AM EDT Monday, especially around the time of high tide. * IMPACTS. At 4.25 feet, the concrete promenade at Fells Point begins to flood. Water also begins to cover the boardwalk at the Maritime Park water taxi stop. Thames Street is flooded, and much of the promenade in the Inner Harbor is flooded. At 3.0 feet, water begins encroaching upon yards in the Bowleys Quarters area. * ADDITIONAL DETAILS. Tides two to two and a half feet above normal. The next high tide at Fort McHenry Baltimore is at 10:14 AM and 11:20 PM.

* WHAT. One 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 11 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 two to two and a half feet above normal. The next high tide at Dahlgren is at 6:41 AM and 7:11 PM. The next high tide at Goose Bay is at 7:54 AM and 8:11 PM. The next high tide at Indian Head is at 11:48 AM and 12:05 AM.

* WHAT. One 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 Monday, 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 8:37 AM and 10:06 PM.

* WHAT. One to two feet of inundation above ground level expected in low-lying areas due to tidal flooding. * WHERE. Shoreline in the District of Columbia, Arlington County, and the City of Alexandria. * WHEN. From 9 AM this morning to 4 AM EDT Monday, 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. 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 12:20 PM and 12:37 AM. The next high tide at Washington Channel is at 12:02 PM and 12:19 AM.

* 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 11 PM EDT this evening, 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 Solomons Island is at 5:44 AM and 6:35 PM. The next high tide at Chesapeake Beach is at 7:27 AM and 8:33 PM.

At 132 AM EDT, Doppler radar was tracking a strong thunderstorm near Waynesboro, moving south at 25 mph. HAZARD. Wind gusts up to 50 mph and half inch hail. SOURCE. Radar indicated. IMPACT. Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include. Waynesboro, Carroll Valley, Wayne Heights, Mont Alto, Rouzerville, Orrtanna, Fairfield, Liberty Mountain Resort, and Penn State Mont Alto.

* WHAT. Flash flooding caused by excessive rainfall is possible. * WHERE. Anne Arundel, Central and Southeast Howard, Southeast Harford, and Southern Baltimore Counties including the City of Baltimore. * WHEN. Until 6 AM EDT early this morning. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS. - A complex of slow-moving thunderstorms producing heavy rain may result in excessive rainfall amounts of 1 to 3 inches per hour. This would result in rapid rises of water on small streams and creeks, as well as in urban and poor drainage areas. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information.

A few east to southeasterly wind gusts to around 20 knots are possible overnight. Inexperienced mariners, especially those operating smaller vessels, should exercise extra caution if navigating the waters during this time.

SVRLWX The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for. Carroll County in north central Maryland. Northeastern Frederick County in north central Maryland. West central Baltimore County in northern Maryland. * Until 215 AM EDT. * At 137 AM EDT, severe thunderstorms were located along a line extending from near Manchester to near Westminster to near Taneytown, moving south at 20 mph. HAZARD. 60 mph wind gusts and quarter size hail. SOURCE. Radar indicated. IMPACT. Damaging winds will cause some trees and large branches to fall. This could injure those outdoors, as well as damage homes and vehicles. Roadways may become blocked by downed trees. Localized power outages are possible. Unsecured light objects may become projectiles. * Locations impacted include. Westminster, Eldersburg, Reisterstown, Taneytown, Hampstead, Manchester, Oakland, Gamber, New Windsor, Union Bridge, Libertytown, Finksburg, Carrollton, Upperco, Winfield, Louisville, Linwood, Uniontown, Keysville, and Unionville.

At 147 AM EDT, severe thunderstorms were located along a line extending from near Hampstead to near Westminster to near Taneytown, moving south at 30 mph. HAZARD. 60 mph wind gusts and quarter size hail. SOURCE. Radar indicated. IMPACT. Damaging winds will cause some trees and large branches to fall. This could injure those outdoors, as well as damage homes and vehicles. Roadways may become blocked by downed trees. Localized power outages are possible. Unsecured light objects may become projectiles. Locations impacted include. Westminster, Eldersburg, Reisterstown, Taneytown, Hampstead, Manchester, Oakland, Gamber, New Windsor, Union Bridge, Libertytown, Finksburg, Carrollton, Upperco, Winfield, Louisville, Linwood, Uniontown, Keysville, and Unionville.