Active Weather Alerts
Small Craft Advisory
Issued: 10:22 PM Sep. 23, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EDT FRIDAY... * WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt. * WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD, Chesapeake Bay north of North Beach MD, Patapsco River including Baltimore Harbor, Chester River to Queenstown MD, and Eastern Bay. * WHEN...Until 6 AM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. &&
Coastal Flood Warning
Issued: 7:08 PM Sep. 23, 2026 – National Weather Service
...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 7 PM EDT THIS EVENING... ...COASTAL FLOOD WARNING IN EFFECT FROM 11 PM THIS EVENING TO 11 AM EDT FRIDAY... * WHAT...For the Coastal Flood Advisory, up to one half foot of inundation above ground level in low lying areas due to tidal flooding. For the Coastal Flood Warning, up to one foot of inundation above ground level expected in low lying areas due to tidal flooding. * WHERE...Shoreline in Anne Arundel County. * WHEN...For the Coastal Flood Advisory, until 7 PM EDT this evening, especially around the time of high tide. For the Coastal Flood Warning, from 11 PM this evening to 11 AM EDT Friday, especially around the time of high tide. * IMPACTS...At 3.2 feet, water begins to approach businesses on Dock Street in Annapolis. The City Dock parking lot is flooded. Compromise Street is flooded. * ADDITIONAL DETAILS...Tides one and a half to two feet above normal. The next high tide at Annapolis U.S. Naval Academy is at 3:33 PM and 4:07 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. 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 -------- --------- --------- --------- ------- -------- 23/04 PM 2.7 1.3 1.4 1.0 Minor 24/03 AM 3.4 2.0 1.8 1.0 Moderate 24/03 PM 3.1 1.7 1.8 1.0 Minor 25/04 AM 3.4 2.0 1.8 1.0 Moderate 25/05 PM 3.0 1.6 1.5 0.5 Minor 26/05 AM 3.4 2.0 1.8 0.5 Moderate &&
Coastal Flood Advisory
Issued: 7:08 PM Sep. 23, 2026 – National Weather Service
...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 7 PM EDT THIS EVENING... ...COASTAL FLOOD WARNING IN EFFECT FROM 11 PM THIS EVENING TO 11 AM EDT FRIDAY... * WHAT...For the Coastal Flood Advisory, up to one half foot of inundation above ground level in low lying areas due to tidal flooding. For the Coastal Flood Warning, up to one foot of inundation above ground level expected in low lying areas due to tidal flooding. * WHERE...Shoreline in Anne Arundel County. * WHEN...For the Coastal Flood Advisory, until 7 PM EDT this evening, especially around the time of high tide. For the Coastal Flood Warning, from 11 PM this evening to 11 AM EDT Friday, especially around the time of high tide. * IMPACTS...At 3.2 feet, water begins to approach businesses on Dock Street in Annapolis. The City Dock parking lot is flooded. Compromise Street is flooded. * ADDITIONAL DETAILS...Tides one and a half to two feet above normal. The next high tide at Annapolis U.S. Naval Academy is at 3:33 PM and 4:07 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. 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 -------- --------- --------- --------- ------- -------- 23/04 PM 2.7 1.3 1.4 1.0 Minor 24/03 AM 3.4 2.0 1.8 1.0 Moderate 24/03 PM 3.1 1.7 1.8 1.0 Minor 25/04 AM 3.4 2.0 1.8 1.0 Moderate 25/05 PM 3.0 1.6 1.5 0.5 Minor 26/05 AM 3.4 2.0 1.8 0.5 Moderate &&
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