Coastal Flood Warnings/Watches/Statements
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
094
WHUS41 KLWX 200918
CFWLWX
Coastal Hazard Message
National Weather Service Baltimore MD/Washington DC
518 AM EDT Sun Sep 20 2026
MDZ014-201030-
/O.EXP.KLWX.CF.Y.0041.000000T0000Z-260920T0900Z/
Anne Arundel-
518 AM EDT Sun Sep 20 2026
...COASTAL FLOOD ADVISORY HAS EXPIRED...
Water levels have decreased below minor flood stage.
$$
MDZ508-201100-
/O.NEW.KLWX.CF.Y.0042.260920T0918Z-260920T1100Z/
Southeast Harford-
518 AM EDT Sun Sep 20 2026
...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 7 AM EDT THIS MORNING...
* WHAT...Up to one half foot of inundation above ground level in
low lying areas due to tidal flooding.
* WHERE...Shoreline in Southeast Harford County.
* WHEN...Until 7 AM EDT this morning, especially around the time
of high tide.
* IMPACTS...At 4.0 feet, water begins to go over the bulkhead at
the Havre de Grace Yacht Basin in multiple locations.
* ADDITIONAL DETAILS...Tides one and a half to two feet above
normal. The next high tide at Havre de Grace is at 6:15 PM and
6:09 AM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.
&&
Time of high total tides are approximate to the nearest hour.
Chesapeake Bay at Havre de Grace MD
MLLW Categories - Minor 4.0 ft, Moderate 5.5 ft, Major 7.0 ft
MHHW Categories - Minor 2.2 ft, Moderate 3.7 ft, Major 5.2 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
20/05 AM 4.1 1.7 1.8 1.0 Minor
20/05 PM 3.2 0.8 1.6 1.0 None
21/05 AM 3.4 1.0 1.2 1.0 None
21/07 PM 2.4 -0.0 0.6 1.0 None
22/07 AM 3.0 0.6 0.7 1.0 None
22/08 PM 2.6 0.2 0.7 1.0 None
&&
$$