Coastal Flood Advisory
Status
Event Continued Active alertStart Time
Sun 10/11/2026 08:31 PM EDTEnd Time
Sun 10/11/2026 10:00 PM EDTSignificance
AdvisoryImpacts
Low impact
Full Alert Message
Coastal Hazard Message National Weather Service Baltimore MD/Washington DC 831 PM EDT Sun Oct 11 2026 ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING... * WHAT...Up to one half 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 10 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 one to one and a half feet above normal. The next high tide at Bowley Bar is 8:51 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 3.4 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 -------- --------- --------- --------- ------- -------- 11/08 PM 3.5 1.8 1.5 0.5 Minor 12/08 AM 2.0 0.3 0.6 0.5 None 12/09 PM 1.9 0.2 -0.1 0.5 None 13/09 AM 2.2 0.5 0.8 0.5 None 13/10 PM 2.8 1.1 0.9 0.5 None 14/09 AM 2.1 0.4 0.8 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 -------- --------- --------- --------- ------- -------- 11/08 PM 3.3 1.6 1.3 1.0 Minor 12/08 AM 2.1 0.4 0.7 1.0 None 12/09 PM 2.0 0.3 0.0 0.5 None 13/09 AM 2.2 0.5 0.9 0.5 None 13/09 PM 2.9 1.2 1.0 1.0 None 14/10 AM 2.1 0.4 0.8 1.0 None
Technical Header
MDZ011-120200- /O.CON.KLWX.CF.Y.0051.000000T0000Z-261012T0200Z/ Southern Baltimore- 831 PM EDT Sun Oct 11 2026