Coastal Flood Warning
Coastal Hazard Message
National Weather Service Baltimore MD/Washington DC
151 PM EDT Tue Aug 19 2025
MDZ014-200300-
/O.NEW.KLWX.CF.W.0003.250820T0300Z-250820T1200Z/
Anne Arundel-
151 PM EDT Tue Aug 19 2025
...COASTAL FLOOD WARNING IN EFFECT FROM 11 PM THIS EVENING TO
8 AM EDT WEDNESDAY...
* WHAT...One to two feet of inundation above ground level
expected in low lying areas due to tidal flooding.
* WHERE...Shoreline in Anne Arundel County.
* WHEN...From 11 PM this evening to 8 AM EDT Wednesday,
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
2:13 PM and 3:55 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
-------- --------- --------- --------- ------- --------
19/03 PM 2.5 1.1 1.4 1.0 None
20/03 AM 3.6 2.2 1.8 1.0 Moderate
20/03 PM 2.7 1.3 1.5 1.0 Minor
21/04 AM 2.9 1.5 1.1 1.0 Minor
21/04 PM 1.8 0.4 0.5 1.0 None
22/06 AM 2.6 1.2 0.9 0.5 Minor
&&
$$