Note: The Coastal Flood Watch has been upgraded for the DC region. The most recent watch issuance before the upgrade is below.
A Coastal Flood Watch is now in effect from 2 am to 8 am Thursday, October 2, 2025 including the following jurisdictions.
MARYLAND: Anne Arundel.
Excerpted from the National Weather Service:
…COASTAL FLOOD ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 2 AM EDT THURSDAY…
…COASTAL FLOOD WATCH NOW IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY MORNING…
WHAT…For the Coastal Flood Advisory, up to one and a half feet of inundation above ground level expected in low lying areas due to tidal flooding. For the Coastal Flood Watch, up to two 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, from 8 PM this evening to 2 AM EDT Thursday, especially around the time of high tide. For the Coastal Flood Watch, from late tonight through Thursday morning, 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 one and a half to two feet above normal. The next high tide at Annapolis U.S. Naval Academy is at 12:20 PM and 1:54 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
——– ——— ——— ——— ——- ——–
01/02 AM 2.1 0.7 0.5 1.0 None
01/12 PM 2.0 0.6 0.8 1.0 None
02/01 AM 3.5 2.1 1.9 0.5 Moderate
02/01 PM 3.0 1.6 1.8 1.0 Minor
03/02 AM 3.2 1.8 1.6 1.0 Minor
03/01 PM 2.5 1.1 1.3 0.5 None