####018020440#### WHUS41 KLWX 111254 CFWLWX URGENT - IMMEDIATE BROADCAST REQUESTED Coastal Hazard Message National Weather Service Baltimore MD/Washington DC 854 AM EDT Thu Apr 11 2024 MDZ014-112100- /O.UPG.KLWX.CF.A.0010.240412T0800Z-240412T1900Z/ /O.NEW.KLWX.CF.W.0011.240411T2000Z-240412T1800Z/ /O.EXT.KLWX.CF.Y.0044.000000T0000Z-240411T2000Z/ Anne Arundel- 854 AM EDT Thu Apr 11 2024 ...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... ...COASTAL FLOOD WARNING IN EFFECT FROM 4 PM THIS AFTERNOON TO 2 PM EDT FRIDAY... * 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 Warning, one to two feet 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 Advisory, until 4 PM EDT this afternoon, especially around the time of high tide. For the Coastal Flood Warning, from 4 PM this afternoon to 2 PM EDT Friday, 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 three feet above normal. The next high tide at Annapolis U.S. Naval Academy is at 8:07 PM tonight and 9:00 AM Friday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth. && Time of high total tides are approximate to the nearest hour. Severn River at Annapolis MLLW Categories - Minor 2.6 ft, Moderate 3.3 ft, Major 6.0 ft MHHW Categories - Minor 1.2 ft, Moderate 1.9 ft, Major 4.6 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 11/08 AM 2.9 1.5 1.3 1.0 Minor 11/09 PM 3.3 1.9 2.4 2.0 Moderate 12/08 AM 4.0 2.6 2.6 1.0 Moderate 12/07 PM 2.2 0.8 1.5 0.5 None 13/09 AM 2.0 0.6 0.6 0.5 None 13/09 PM 1.1 -0.3 0.3 0.5 None && $$ MDZ017-112100- /O.UPG.KLWX.CF.A.0010.240412T0600Z-240412T1500Z/ /O.NEW.KLWX.CF.W.0011.240411T1800Z-240412T1400Z/ /O.EXT.KLWX.CF.Y.0044.000000T0000Z-240411T1800Z/ St. Marys- 854 AM EDT Thu Apr 11 2024 ...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... ...COASTAL FLOOD WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 10 AM EDT FRIDAY... * WHAT...For the Coastal Flood Advisory, inundation up to one-half foot above ground level in low lying areas due to tidal flooding. For the Coastal Flood Warning, one to two feet of inundation above ground level expected in low lying areas due to tidal flooding. * WHERE...Shoreline in St. Marys County. * WHEN...For the Coastal Flood Advisory, until 2 PM EDT this afternoon, especially around the time of high tide. For the Coastal Flood Warning, from 2 PM this afternoon to 10 AM EDT Friday, 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 three feet above normal. The next high tide at Piney Point is at 5:27 PM and 5:36 AM. The next high tide at Coltons Point is at 6:03 PM and 6:12 AM. The next high tide at Point Lookout is at 4:13 PM and 4:49 AM. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth. && Time of high total tides are approximate to the nearest hour. St Marys River at Straits Point MLLW Categories - Minor 3.0 ft, Moderate 3.5 ft, Major 5.0 ft MHHW Categories - Minor 1.4 ft, Moderate 1.9 ft, Major 3.4 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 11/05 PM 3.6 2.0 2.1 2.0 Moderate 12/05 AM 3.9 2.3 2.2 2.0 Moderate 12/05 PM 2.9 1.3 1.5 2.0 None 13/06 AM 2.5 0.9 0.8 2.0 None 13/07 PM 1.9 0.3 0.5 1.0 None && $$ MDZ008-112100- /O.EXB.KLWX.CF.Y.0044.240412T0200Z-240412T0800Z/ Cecil- 854 AM EDT Thu Apr 11 2024 ...COASTAL FLOOD ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 4 AM EDT FRIDAY... * WHAT...Up to one foot of inundation above ground level expected in low lying areas due to tidal flooding. * WHERE...Shoreline in Cecil County. * WHEN...From 10 PM this evening to 4 AM EDT Friday, especially around the time of high tide. * IMPACTS...At 5.5 feet, minor shoreline flooding begins near Chesapeake City. At 4.5 feet, minor shoreline flooding begins near Charlestown. * ADDITIONAL DETAILS...Tides up to 3 feet above normal. High tide late tonight at Port Deposit is at 1:05 AM. High tide late tonight at Chesapeake City is at 1:50 AM and Charlestown is at 1:33 AM. PRECAUTIONARY/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. && $$ VAZ054-112100- /O.EXA.KLWX.CF.Y.0044.000000T0000Z-240412T1200Z/ /O.CON.KLWX.CF.A.0010.240412T1200Z-240412T2000Z/ Arlington/Falls Church/Alexandria- 854 AM EDT Thu Apr 11 2024 ...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 8 AM EDT FRIDAY... ...COASTAL FLOOD WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY AFTERNOON... * WHAT...For the Coastal Flood Advisory, up to one half foot of inundation above ground level in low lying areas due to tidal flooding. For the Coastal Flood Watch, one to two feet of inundation above ground level possible in low lying areas due to tidal flooding. * WHERE...Shoreline in the City of Alexandria and Arlington County. * WHEN...For the Coastal Flood Advisory, until 8 AM EDT Friday, especially around the time of high tide. For the Coastal Flood Watch, from Friday morning through Friday afternoon, especially around the time of high tide. * IMPACTS...For the advisory, water is expected to approach the curb near the intersection of King Street and Strand Street in Alexandria. Water may approach buildings near King Street and Union Street * ADDITIONAL DETAILS...Tides two to two and a half feet above normal. The next high tide at Alexandria is at 10:57 AM and 11:39 PM. PRECAUTIONARY/PREPAREDNESS ACTIONS... If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood- prone property. && $$ DCZ001-112100- /O.CON.KLWX.CF.Y.0044.000000T0000Z-240412T1200Z/ /O.CON.KLWX.CF.A.0010.240412T1200Z-240412T2000Z/ District of Columbia- 854 AM EDT Thu Apr 11 2024 ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT FRIDAY... ...COASTAL FLOOD WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY AFTERNOON... * WHAT...For the Coastal Flood Advisory, up to one 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 the District of Columbia. * WHEN...For the Coastal Flood Advisory, until 8 AM EDT Friday, especially around the time of high tide. For the Coastal Flood Watch, from Friday morning through Friday afternoon, especially around the time of high tide. * IMPACTS...For the advisory, 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. For the watch, The unprotected area on the Southwest Waterfront at the DC Seafood Market may flood. Water may approach parts of the Hains Point Loop Road. * ADDITIONAL DETAILS...Tides two to two and a half feet above normal. The next high tide at Washington Channel is at 10:39 AM and 11:21 PM. PRECAUTIONARY/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. && $$ MDZ508-112100- /O.CON.KLWX.CF.Y.0044.240411T1400Z-240412T0800Z/ /O.CON.KLWX.CF.A.0010.240412T1300Z-240412T1900Z/ Southeast Harford- 854 AM EDT Thu Apr 11 2024 ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT FRIDAY... ...COASTAL FLOOD WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY AFTERNOON... * WHAT...For the Coastal Flood Advisory, one to two feet of inundation above ground level expected 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 Southeast Harford County. * WHEN...For the Coastal Flood Advisory, until 4 AM EDT Friday, especially around the time of high tide. For the Coastal Flood Watch, from Friday morning through Friday afternoon, especially around the time of high tide. * IMPACTS...At 6.0 feet, the marina office at the Havre de Grace Yacht Basin is flooded, along with the surrounding area. Hutchins Park is flooded, as is the parking lot at Roberts Park. The dock at Pier Number 1 is also covered by water. * ADDITIONAL DETAILS...Tides up to 4 feet above normal. The next high tide at Havre de Grace is at 12:22 PM and 1:05 AM. PRECAUTIONARY/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. && Time of high total tides are approximate to the nearest hour. Chesapeake Bay at Havre de Grace MD MLLW Categories - Minor 4.0 ft, Moderate 5.5 ft, Major 7.0 ft MHHW Categories - Minor 2.2 ft, Moderate 3.7 ft, Major 5.2 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 11/12 PM 4.5 2.1 1.6 1.0 Minor 12/02 AM 5.4 3.0 3.6 2.0 Minor 12/01 PM 6.0 3.6 3.1 2.0 Moderate 13/01 AM 3.9 1.5 2.2 2.0 None 13/02 PM 3.9 1.5 1.2 2.0 None 14/02 AM 2.3 -0.1 0.7 1.0 None && $$ MDZ011-112100- /O.CON.KLWX.CF.Y.0044.240411T2300Z-240412T0800Z/ /O.CON.KLWX.CF.A.0010.240412T0800Z-240412T1900Z/ Southern Baltimore- 854 AM EDT Thu Apr 11 2024 ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 4 AM EDT FRIDAY... ...COASTAL FLOOD WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... * WHAT...For the Coastal Flood Advisory, up to one foot of inundation above ground level expected 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 Southern Baltimore County and the city of Baltimore. * WHEN...For the Coastal Flood Advisory, from 7 PM this evening to 4 AM EDT Friday, especially around the time of high tide. For the Coastal Flood Watch, from late tonight through Friday afternoon, 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 3.8 feet, water covers yards and approaches homes in the Bowleys Quarters area. * ADDITIONAL DETAILS...Tides up to 3 feet above normal. High tide tonight at Fort McHenry in Baltimore is at 9:41 PM. PRECAUTIONARY/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. && Time of high total tides are approximate to the nearest hour. NW Branch Patapsco River at Baltimore MD MLLW Categories - Minor 3.0 ft, Moderate 5.0 ft, Major 6.0 ft MHHW Categories - Minor 1.3 ft, Moderate 3.3 ft, Major 4.3 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 11/09 AM 3.2 1.5 1.3 0.5 None 11/11 PM 3.9 2.2 3.0 1.0 Minor 12/09 AM 4.2 2.5 2.5 1.0 Minor 12/10 PM 2.4 0.7 1.4 1.0 None 13/10 AM 2.2 0.5 0.6 1.0 None 13/11 PM 1.3 -0.4 0.3 1.0 None Chesapeake Bay at Bowleys Quarters MLLW Categories - Minor 3.0 ft, Moderate 3.8 ft, Major 5.0 ft MHHW Categories - Minor 1.3 ft, Moderate 2.1 ft, Major 3.3 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 11/10 AM 2.8 1.1 1.0 1.0 None 12/12 AM 3.7 2.0 2.9 2.0 Minor 12/10 AM 4.4 2.7 2.7 1.0 Moderate 12/11 PM 2.4 0.7 1.5 1.0 None 13/11 AM 2.5 0.8 0.9 1.0 None 14/01 AM 1.5 -0.2 0.6 1.0 None && $$ MDZ016-VAZ057-112100- /O.CON.KLWX.CF.Y.0044.240411T2000Z-240412T1400Z/ Charles-King George- 854 AM EDT Thu Apr 11 2024 ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 10 AM EDT FRIDAY... * WHAT...Up to one foot of inundation above ground level expected in low lying areas due to tidal flooding. * WHERE...Shoreline in Charles and King George Counties. * WHEN...From 4 PM this afternoon to 10 AM EDT Friday, especially around the time of high tide. * IMPACTS...At 3.5 feet, water reaches yards near Cobb Island and docks near Dahlgren. * ADDITIONAL DETAILS...Tides two to two and a half feet above normal. The next high tide at Goose Bay is at 7:13 PM and 7:22 AM. The next high tide at Dahlgren is at 5:59 PM and 6:20 AM. The next high tide at Indian Head is at 10:25 AM and 11:07 PM. PRECAUTIONARY/PREPAREDNESS ACTIONS... If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. && Time of high total tides are approximate to the nearest hour. Upper Machodoc Creek at Dahlgren MLLW Categories - Minor 3.5 ft, Moderate 5.0 ft, Major 7.0 ft MHHW Categories - Minor 1.6 ft, Moderate 3.1 ft, Major 5.1 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 11/06 PM 3.6 1.7 1.9 2.0 Minor 12/06 AM 4.0 2.1 2.0 1.0 Minor 12/06 PM 2.8 0.9 1.2 0.5 None 13/07 AM 2.5 0.6 0.6 0.5 None 13/08 PM 1.8 -0.1 0.2 0.5 None && $$ MDZ018-112100- /O.CON.KLWX.CF.Y.0044.240412T0500Z-240412T1400Z/ Calvert- 854 AM EDT Thu Apr 11 2024 ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 1 AM TO 10 AM EDT FRIDAY... * WHAT...Up to one foot of inundation above ground level expected in low lying areas due to tidal flooding. * WHERE...Shoreline in Calvert County. * WHEN...From 1 AM to 10 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 two to two and a half feet above normal. The next high tide at Chesapeake Beach is at 6:54 PM and 7:30 AM. The next high tide at Solomons Island is at 5:02 PM and 5:39 AM. PRECAUTIONARY/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. && Time of high total tides are approximate to the nearest hour. Chesapeake Bay at North Beach MLLW Categories - Minor 3.0 ft, Moderate 4.0 ft, Major 5.0 ft MHHW Categories - Minor 1.6 ft, Moderate 2.6 ft, Major 3.6 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 11/07 PM 2.7 1.3 1.8 2.0 None 12/06 AM 3.9 2.5 2.5 1.0 Minor 12/07 PM 2.5 1.1 1.6 0.5 None 13/07 AM 2.4 1.0 1.0 0.5 None 13/08 PM 1.2 -0.2 0.3 0.5 None Patuxent River at Solomons Island MLLW Categories - Minor 3.0 ft, Moderate 4.0 ft, Major 5.0 ft MHHW Categories - Minor 1.5 ft, Moderate 2.5 ft, Major 3.5 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 11/05 PM 2.8 1.3 1.5 2.0 None 12/05 AM 3.7 2.2 2.1 1.0 Minor 12/05 PM 2.4 0.9 1.2 1.0 None 13/05 AM 2.0 0.5 0.6 1.0 None 13/06 PM 1.5 0.0 0.3 1.0 None && $$