Coastal Flood Advisory

Locations Affected

Friendship, MD ∙ Selby-on-the-Bay, MD ∙ Shady Side, MD ∙ Bay Ridge, MD ∙ Linthicum, MD ∙ Gambrills, MD ∙ Harwood, MD ∙ Pasadena, MD ∙ Orchard Beach, MD ∙ Deale, MD

Full Alert Message

Coastal Hazard Message National Weather Service Baltimore MD/Washington DC 637 AM EDT Sun Apr 19 2026 ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS MORNING... * WHAT...Up to one foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE...Shoreline in Anne Arundel County. * WHEN...Until 10 AM EDT this morning, especially around the time of high tide. * IMPACTS...At 2.6 feet, water may begin to pond in the parking lot at Annapolis City Dock, and surround the Alex Haley Memorial. * ADDITIONAL DETAILS...Tides one to one and a half feet above normal. High tide at Annapolis U.S. Naval Academy is ongoing. 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. 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 -------- --------- --------- --------- ------- -------- 19/07 AM 2.7 1.3 1.1 0.5 Minor 19/07 PM 1.0 -0.4 0.1 0.5 None 20/08 AM 2.1 0.7 0.5 0.5 None 20/08 PM 0.8 -0.6 -0.1 0.5 None 21/09 AM 1.5 0.1 0.0 0.5 None 21/09 PM 1.2 -0.2 0.3 1.0 None

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