Active Weather Alerts
Coastal Flood Watch
Issued: 2:10 AM Sep. 23, 2026 – National Weather Service
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT WEDNESDAY NIGHT... ...COASTAL FLOOD WATCH REMAINS IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH LATE THURSDAY NIGHT... * WHAT...For the Coastal Flood Advisory, around one and a half feet of inundation above ground level in low lying areas due to tidal flooding. For the Coastal Flood Watch, two to two and a half feet of inundation above ground level possible in low lying areas due to tidal flooding. * WHERE...Shoreline in Anne Arundel County. * WHEN...For the Coastal Flood Advisory, until midnight EDT Wednesday night, especially around the time of high tide. For the Coastal Flood Watch, from late Wednesday night through late Thursday night, especially around the time of high tide. * IMPACTS...At 3.5 feet, water reaches the floor of the Maritime Museum in Annapolis, begins to cover Bowyer Road on the Naval Academy campus, and numerous businesses on Dock Street are flooded, along with the City Dock parking lot. Bayside Beach begins to flood around Harbor Rd and Lake Dr. * ADDITIONAL DETAILS...Tides two to two and a half feet above normal. The next high tide at Annapolis U.S. Naval Academy is at 3:31 AM and 3:33 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 -------- --------- --------- --------- ------- -------- 23/02 AM 3.1 1.7 1.6 1.0 Minor 23/02 PM 2.8 1.4 1.6 1.0 Minor 24/03 AM 3.5 2.1 1.9 1.0 Moderate 24/04 PM 3.4 2.0 2.0 1.0 Moderate 25/04 AM 3.8 2.4 2.2 1.0 Moderate 25/05 PM 3.9 2.5 2.4 0.5 Moderate &&
Coastal Flood Advisory
Issued: 2:10 AM Sep. 23, 2026 – National Weather Service
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT WEDNESDAY NIGHT... ...COASTAL FLOOD WATCH REMAINS IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH LATE THURSDAY NIGHT... * WHAT...For the Coastal Flood Advisory, around one and a half feet of inundation above ground level in low lying areas due to tidal flooding. For the Coastal Flood Watch, two to two and a half feet of inundation above ground level possible in low lying areas due to tidal flooding. * WHERE...Shoreline in Anne Arundel County. * WHEN...For the Coastal Flood Advisory, until midnight EDT Wednesday night, especially around the time of high tide. For the Coastal Flood Watch, from late Wednesday night through late Thursday night, especially around the time of high tide. * IMPACTS...At 3.5 feet, water reaches the floor of the Maritime Museum in Annapolis, begins to cover Bowyer Road on the Naval Academy campus, and numerous businesses on Dock Street are flooded, along with the City Dock parking lot. Bayside Beach begins to flood around Harbor Rd and Lake Dr. * ADDITIONAL DETAILS...Tides two to two and a half feet above normal. The next high tide at Annapolis U.S. Naval Academy is at 3:31 AM and 3:33 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 -------- --------- --------- --------- ------- -------- 23/02 AM 3.1 1.7 1.6 1.0 Minor 23/02 PM 2.8 1.4 1.6 1.0 Minor 24/03 AM 3.5 2.1 1.9 1.0 Moderate 24/04 PM 3.4 2.0 2.0 1.0 Moderate 25/04 AM 3.8 2.4 2.2 1.0 Moderate 25/05 PM 3.9 2.5 2.4 0.5 Moderate &&
Small Craft Advisory
Issued: 1:59 AM Sep. 23, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EDT THURSDAY... * 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 Thursday. * 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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