Coastal Flood Advisory

Full Alert Message

URGENT - IMMEDIATE BROADCAST REQUESTED Coastal Hazard Message National Weather Service Baltimore MD/Washington DC 1026 AM EDT Thu Oct 30 2025 ...COASTAL FLOOD WARNING IN EFFECT UNTIL 3 PM EDT THIS AFTERNOON... ...COASTAL FLOOD ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO 5 AM EDT FRIDAY... * 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 Southern Baltimore County and the city of Baltimore. * WHEN...For the Coastal Flood Warning, until 3 PM EDT this afternoon, especially around the time of high tide. For the Coastal Flood Advisory, from 3 PM this afternoon to 5 AM EDT Friday, especially around the time of high tide. * IMPACTS...At 4.5 feet, the end of Ann Street begins to flood. The concrete promenade at Fells Point is flooded, along with 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. The next high tide at Fort McHenry Baltimore is at 1:50 PM and 2:18 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. 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 -------- --------- --------- --------- ------- -------- 30/12 PM 4.7 3.0 3.8 0.5 Moderate 31/01 AM 3.6 1.9 2.1 1.0 Minor 31/01 PM 2.1 0.4 1.1 1.0 None 01/03 AM 1.9 0.2 0.4 1.0 None 01/03 PM 1.3 -0.4 0.0 1.0 None 02/03 AM 1.5 -0.2 0.0 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 -------- --------- --------- --------- ------- -------- 30/02 PM 4.2 2.5 3.1 2.0 Moderate 31/02 AM 3.7 2.0 2.1 1.0 Minor 31/02 PM 2.3 0.6 1.2 1.0 None 01/03 AM 2.3 0.6 0.7 1.0 None 01/03 PM 1.5 -0.2 0.2 1.0 None 02/04 AM 1.5 -0.2 0.0 0.5 None