Active Weather Alerts
Coastal Flood Advisory
Issued: 4:33 AM May. 21, 2025 – National Weather Service
...COASTAL FLOOD ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 5 AM EDT THURSDAY... * WHAT...Up to one half foot of inundation above ground level expected in low lying areas due to tidal flooding. * WHERE...Shoreline in Anne Arundel County. * WHEN...From 11 AM this morning to 5 AM EDT Thursday, especially around the time of high tide. * IMPACTS...At 3.0 feet, Compromise Street begins to flood in Annapolis. Flooding of much of the City Dock parking lot is occurring. * ADDITIONAL DETAILS...Tides one and a half to two feet above normal. The next high tide at Annapolis U.S. Naval Academy is at 12:28 PM and 1:32 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. 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 -------- --------- --------- --------- ------- -------- 21/12 AM 2.2 0.8 1.0 1.0 None 21/12 PM 2.7 1.3 1.4 1.0 Minor 22/01 AM 3.0 1.6 1.6 1.0 Minor 22/01 PM 2.4 1.0 1.2 0.5 None 23/02 AM 2.4 1.0 0.9 0.5 None 23/02 PM 2.1 0.7 0.9 0.5 None &&
Small Craft Advisory
Issued: 11:51 PM May. 20, 2025 – National Weather Service
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 6 AM WEDNESDAY TO MIDNIGHT EDT WEDNESDAY NIGHT... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt expected. * WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD, Chesapeake Bay north of Sandy Point MD, Patapsco River including Baltimore Harbor, Chester River to Queenstown MD, and Patuxent River to Broomes Island MD. * WHEN...From 6 AM Wednesday to midnight EDT Wednesday night. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. &&
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