WHUS41 KLWX 161203 CFWLWX URGENT - IMMEDIATE BROADCAST REQUESTED Coastal Hazard Message National Weather Service Baltimore MD/Washington DC 803 AM EDT Mon Mar 16 2026 MDZ014-162015- /O.UPG.KLWX.CF.A.0001.260316T1700Z-260317T0200Z/ /O.NEW.KLWX.CF.W.0001.260316T1600Z-260317T0200Z/ Anne Arundel- 803 AM EDT Mon Mar 16 2026 ...COASTAL FLOOD WARNING IN EFFECT FROM NOON TODAY TO 10 PM EDT THIS EVENING... * WHAT...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...From noon today to 10 PM EDT this evening, 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 two to two and a half feet above normal. The next high tide at Annapolis U.S. Naval Academy is at 4:30 PM and 4:33 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. Severn River at Annapolis MLLW Categories - Minor 2.6 ft, Moderate 3.3 ft, Major 5.0 ft MHHW Categories - Minor 1.2 ft, Moderate 1.9 ft, Major 3.6 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 16/04 PM 3.3 1.9 2.4 3.0 Moderate 17/04 PM 0.8 -0.6 0.0 0.5 None 18/05 AM 0.5 -0.9 -0.5 0.5 None 18/05 PM 0.6 -0.8 -0.3 1.0 None && $$ MDZ011-162015- /O.NEW.KLWX.CF.Y.0003.260316T1900Z-260317T0100Z/ Southern Baltimore- 803 AM EDT Mon Mar 16 2026 ...COASTAL FLOOD ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 PM EDT THIS EVENING... * WHAT...Up to one half foot of inundation above ground level expected in low lying areas due to tidal flooding. * WHERE...Shoreline in Southern Baltimore County and the city of Baltimore. * WHEN...From 3 PM this afternoon to 9 PM EDT this evening, 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 two and a half to three feet above normal. The next high tide at Fort McHenry Baltimore is at 5:56 PM and 6:00 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. NW Branch Patapsco River at Baltimore MD MLLW Categories - Minor 3.4 ft, Moderate 4.6 ft, Major 6.0 ft MHHW Categories - Minor 1.7 ft, Moderate 2.9 ft, Major 4.3 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 16/07 AM 2.0 0.3 1.3 0.5 None 16/05 PM 3.8 2.1 2.7 1.0 Minor 17/05 AM 1.9 0.2 1.0 1.0 None 17/06 PM 0.7 -1.0 -0.4 1.0 None 18/06 AM 0.5 -1.2 -0.6 0.5 None 18/07 PM 0.8 -0.9 -0.3 0.5 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 -------- --------- --------- --------- ------- -------- 16/07 AM 2.1 0.4 1.2 1.0 None 16/06 PM 3.3 1.6 2.0 2.0 Minor 17/07 PM 0.8 -0.9 -0.5 1.0 None 18/06 AM 0.4 -1.3 -0.7 0.5 None 18/07 PM 0.7 -1.0 -0.5 0.5 None && $$ MDZ508-162015- /O.NEW.KLWX.CF.Y.0003.260316T2200Z-260317T0400Z/ Southeast Harford- 803 AM EDT Mon Mar 16 2026 ...COASTAL FLOOD ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT EDT TONIGHT... * WHAT...Up to one foot of inundation above ground level expected in low lying areas due to tidal flooding. * WHERE...Shoreline in Southeast Harford County. * WHEN...From 6 PM this evening to midnight EDT tonight, especially around the time of high tide. * IMPACTS...At 4.5 feet, portions of the Havre de Grace Yacht Basin are flooded, along with Hutchins Park. * ADDITIONAL DETAILS...Tides two and a half to three feet above normal. The next high tide at Havre de Grace is at 9:08 AM and 9:00 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. 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 -------- --------- --------- --------- ------- -------- 16/10 AM 3.5 1.1 1.8 2.0 None 16/09 PM 4.8 2.4 2.6 3.0 Minor 17/08 AM 2.3 -0.1 0.9 2.0 None 17/10 PM 1.8 -0.6 -0.4 1.0 None 18/10 AM 1.5 -0.9 -0.6 1.0 None 18/10 PM 1.8 -0.6 -0.4 1.0 None && $$