Coastal Flood Warnings/Watches/Statements
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
564
WHUS41 KLWX 241803
CFWLWX
Coastal Hazard Message
National Weather Service Baltimore MD/Washington DC
203 PM EDT Sun Aug 24 2025
MDZ508-241915-
/O.CAN.KLWX.CF.Y.0033.000000T0000Z-250825T1000Z/
Southeast Harford-
203 PM EDT Sun Aug 24 2025
...COASTAL FLOOD ADVISORY IS CANCELLED...
Water levels have receded.
$$
VAZ054-241915-
/O.CAN.KLWX.CF.Y.0033.000000T0000Z-250824T2300Z/
Arlington/Falls Church/Alexandria-
203 PM EDT Sun Aug 24 2025
...COASTAL FLOOD ADVISORY IS CANCELLED...
Water levels have receded.
$$
MDZ014-250215-
/O.EXT.KLWX.CF.Y.0033.000000T0000Z-250825T1500Z/
Anne Arundel-
203 PM EDT Sun Aug 24 2025
...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 11 AM EDT MONDAY...
* WHAT...Around one and half feet of inundation above ground
level in low lying areas due to tidal flooding.
* WHERE...Shoreline in Anne Arundel County.
* WHEN...Until 11 AM EDT Monday, 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 next high tide at Annapolis U.S. Naval Academy is at
7:02 PM and 7:19 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
-------- --------- --------- --------- ------- --------
24/07 PM 2.9 1.5 1.4 1.0 Minor
25/07 AM 2.9 1.5 1.3 0.5 Minor
25/07 PM 2.6 1.2 1.1 0.5 Minor
26/07 AM 2.3 0.9 0.8 0.5 None
26/08 PM 2.3 0.9 0.7 0.5 None
27/07 AM 2.1 0.7 0.7 0.5 None
&&
$$
MDZ016-VAZ057-242300-
/O.CON.KLWX.CF.Y.0033.000000T0000Z-250824T2300Z/
Charles-King George-
203 PM EDT Sun Aug 24 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS
EVENING...
* WHAT...Up to two feet of inundation above ground level in low
lying areas due to tidal flooding.
* WHERE...Shoreline in Charles and King George Counties.
* WHEN...Until 7 PM EDT this evening, especially around the time
of high tide.
* IMPACTS...At 3.5 feet, water reaches yards near Cobb Island
and docks near Dahlgren.
* ADDITIONAL DETAILS...Tides one and a half to two feet above
normal. The next high tide at Indian Head is at 9:40 PM and 9:56
AM. The next high tide at Dahlgren is at 4:41 PM and 4:58 AM.
The next high tide at Goose Bay is at 5:46 PM and 6:02 AM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.
&&
Time of high total tides are approximate to the nearest hour.
Upper Machodoc Creek at Dahlgren
MLLW Categories - Minor 3.5 ft, Moderate 5.0 ft, Major 7.0 ft
MHHW Categories - Minor 1.6 ft, Moderate 3.1 ft, Major 5.1 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
24/04 PM 3.7 1.8 1.7 1.0 Minor
25/05 AM 3.6 1.7 1.5 0.5 Minor
25/05 PM 3.4 1.5 1.3 0.5 None
26/05 AM 3.1 1.2 1.1 0.5 None
26/05 PM 3.0 1.1 1.0 0.5 None
27/06 AM 2.9 1.0 0.9 0.5 None
&&
$$