One product issued by NWS for:
Coastal Flood Advisory
Coastal Hazard Message
National Weather Service Baltimore MD/Washington DC
746 AM EDT Sat Apr 18 2026
MDZ014-190000-
/O.NEW.KLWX.CF.Y.0005.260419T0700Z-260419T1400Z/
Anne Arundel-
746 AM EDT Sat Apr 18 2026
...COASTAL FLOOD ADVISORY 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 affected high tide at Annapolis U.S. Naval Academy
is at 7:26 AM Sunday morning.
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 AM 2.4 1.0 0.8 0.5 None
18/06 PM 1.9 0.5 1.0 1.0 None
19/06 AM 2.9 1.5 1.4 0.5 Minor
19/07 PM 1.3 -0.1 0.4 0.5 None
20/08 AM 2.4 1.0 0.8 0.5 None
20/08 PM 1.1 -0.3 0.2 0.5 None
&&
$$
DHOF