Active Weather Alerts
Small Craft Advisory
Issued: 4:21 AM Apr. 19, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 6 PM EDT THIS EVENING... * WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt expected. * WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD, and Chesapeake Bay and adjoining estuaries north of Drum Point MD. * WHEN...From 6 AM this morning to 6 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...An abrupt wind shift to the northwest with a rapid increase in gusts is expected between 4 AM and 7 AM. A brief period of wind gusts 35 to 40 knots is possible during this time, and Special Marine Warnings may be needed. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. &&
Coastal Flood Advisory
Issued: 2:40 AM Apr. 19, 2026 – National Weather Service
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 3 AM TO 10 AM EDT SUNDAY... * 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...From 3 AM to 10 AM EDT Sunday, especially around the time of high tide. * IMPACTS...At 2.8 feet, flooding of some of the parking area near Dock Street in Annapolis may occur, with water surrounding the Alex Haley Memorial. * ADDITIONAL DETAILS...Tides one to one and a half feet above normal. The next high tide at Annapolis U.S. Naval Academy is at 7:26 AM and 7:20 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. 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 -------- --------- --------- --------- ------- -------- 18/07 PM 1.8 0.4 0.9 1.0 None 19/07 AM 2.8 1.4 1.2 0.5 Minor 19/07 PM 1.1 -0.3 0.2 0.5 None 20/08 AM 2.2 0.8 0.6 0.5 None 20/08 PM 0.9 -0.5 0.0 0.5 None 21/09 AM 1.5 0.1 0.0 0.5 None &&
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