Coastal Flood Warnings/Watches/Statements
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
785
WHUS41 KLWX 120949
CFWLWX
Coastal Hazard Message
National Weather Service Baltimore MD/Washington DC
549 AM EDT Sun Oct 12 2025
MDZ017-121800-
/O.CAN.KLWX.CF.Y.0054.000000T0000Z-251012T1300Z/
/O.UPG.KLWX.CF.A.0006.251012T2000Z-251013T0300Z/
/O.EXB.KLWX.CF.Y.0055.251012T2100Z-251013T0200Z/
St. Marys-
549 AM EDT Sun Oct 12 2025
...COASTAL FLOOD ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO
10 PM EDT THIS EVENING...
* WHAT...Up to one half foot of inundation above ground level
expected in low lying areas due to tidal flooding.
* WHERE...Shoreline in St. Marys County.
* WHEN...From 5 PM this afternoon to 10 PM EDT this evening,
especially around the time of high tide.
* IMPACTS...At 3.5 feet, water covers roads on Saint George
Island, is in yards, and is approaching structures. To the
east, inundation is occurring at multiple marinas off St.
Mary`s River, Smith Creek, and Jutland Creek.
* ADDITIONAL DETAILS...Tides two to two and a half feet above
normal. The next high tide at Point Lookout is at 6:44 PM and
6:47 AM. The next high tide at Coltons Point is at 7:35 AM and
7:48 PM. The next high tide at Piney Point is at 6:59 AM and
7:12 PM.
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.
St Marys River at Straits Point
MLLW Categories - Minor 3.0 ft, Moderate 3.5 ft, Major 5.0 ft
MHHW Categories - Minor 1.4 ft, Moderate 1.9 ft, Major 3.4 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
12/06 AM 3.0 1.4 1.6 1.0 None
12/07 PM 3.7 2.1 2.0 1.0 Minor
13/08 AM 3.5 1.9 2.1 1.0 Minor
13/07 PM 3.0 1.4 1.5 1.0 None
14/09 AM 2.6 1.0 1.2 1.0 None
14/10 PM 3.0 1.4 1.5 1.0 None
&&
$$
MDZ016-VAZ057-121800-
/O.CON.KLWX.CF.Y.0055.251012T1000Z-251013T0400Z/
Charles-King George-
549 AM EDT Sun Oct 12 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...
* WHAT...Up to one foot of inundation above ground level
expected in low lying areas due to tidal flooding.
* WHERE...Shoreline in Charles and King George Counties.
* WHEN...Until midnight EDT tonight, especially around the time
of high tide.
* IMPACTS...At 3.5 feet, water reaches yards near Cobb Island
and docks near Dahlgren.
* ADDITIONAL DETAILS...Tides two to two and a half feet above
normal. The next high tide at Goose Bay is at 8:45 AM and 8:58
PM. The next high tide at Dahlgren is at 7:31 AM and 8:03 PM.
The next high tide at Indian Head is at 12:39 PM and 12:52 AM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.
&&
Time of high total tides are approximate to the nearest hour.
Upper Machodoc Creek at Dahlgren
MLLW Categories - Minor 3.5 ft, Moderate 5.0 ft, Major 7.0 ft
MHHW Categories - Minor 1.6 ft, Moderate 3.1 ft, Major 5.1 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
12/08 AM 3.5 1.6 1.6 0.5 Minor
12/08 PM 4.2 2.3 2.1 0.5 Minor
13/08 AM 3.7 1.8 1.9 0.5 Minor
13/09 PM 3.1 1.2 1.1 0.5 None
14/10 AM 2.7 0.8 0.9 0.5 None
14/10 PM 2.9 1.0 1.0 0.5 None
&&
$$
MDZ014-121800-
/O.CON.KLWX.CF.Y.0055.251013T0000Z-251013T0700Z/
Anne Arundel-
549 AM EDT Sun Oct 12 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 8 PM THIS
EVENING TO 3 AM EDT MONDAY...
* WHAT...Up to one half foot of inundation above ground level
expected in low lying areas due to tidal flooding.
* WHERE...Shoreline in Anne Arundel County.
* WHEN...From 8 PM this evening to 3 AM EDT Monday, especially
around the time of high tide.
* IMPACTS...At 3.0 feet, Compromise Street begins to flood in
Annapolis. Flooding of much of the City Dock parking lot is
occurring.
* ADDITIONAL DETAILS...Tides one to one and a half feet above
normal. The next high tide at Annapolis U.S. Naval Academy is at
9:20 AM and 11:05 PM.
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
-------- --------- --------- --------- ------- --------
12/09 AM 2.1 0.7 0.9 1.0 None
12/10 PM 3.0 1.6 1.3 1.0 Minor
13/08 AM 2.1 0.7 1.1 1.0 None
13/11 PM 1.9 0.5 0.3 0.5 None
14/11 AM 1.4 -0.0 0.3 0.5 None
15/01 AM 2.5 1.1 0.9 0.5 None
&&
$$
MDZ018-121800-
/O.CON.KLWX.CF.Y.0054.251012T2000Z-251013T0400Z/
Calvert-
549 AM EDT Sun Oct 12 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO MIDNIGHT EDT TONIGHT...
* WHAT...Up to one half foot of inundation above ground level
expected in low lying areas due to tidal flooding.
* WHERE...Shoreline in Calvert County.
* WHEN...From 4 PM this afternoon to midnight EDT tonight,
especially around the time of high tide.
* IMPACTS...At 3.0 feet, water is expected to reach backyards
near 9th Street in North Beach, and could approach 9th Street.
At 3.0 feet, parking lots near Charles Street in Solomons
begin to flood, with several inches of water covering low-
lying portions of Charles Street and Williams Street.
* ADDITIONAL DETAILS...Tides one and a half to two feet above
normal. The next high tide at Chesapeake Beach is at 8:22 AM and
9:25 PM. The next high tide at Solomons Island is at 6:31 AM and
7:32 PM.
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 North Beach
MLLW Categories - Minor 3.0 ft, Moderate 4.0 ft, Major 5.0 ft
MHHW Categories - Minor 1.6 ft, Moderate 2.6 ft, Major 3.6 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
12/09 AM 2.6 1.2 1.2 1.0 None
12/10 PM 3.2 1.8 1.4 1.0 Minor
14/12 AM 2.2 0.8 0.4 0.5 None
14/12 PM 1.8 0.4 0.4 0.5 None
15/01 AM 2.7 1.3 1.0 0.5 None
Patuxent River at Solomons Island
MLLW Categories - Minor 3.0 ft, Moderate 4.0 ft, Major 5.0 ft
MHHW Categories - Minor 1.5 ft, Moderate 2.5 ft, Major 3.5 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
12/06 AM 2.6 1.1 1.1 1.0 None
12/07 PM 3.3 1.8 1.7 1.0 Minor
13/07 AM 3.2 1.7 1.7 1.0 Minor
13/08 PM 2.6 1.1 1.0 1.0 None
14/08 AM 2.1 0.6 0.6 1.0 None
14/10 PM 2.5 1.0 0.9 1.0 None
&&
$$
VAZ054-121800-
/O.CON.KLWX.CF.Y.0055.251012T1700Z-251013T0800Z/
Arlington/Falls Church/Alexandria-
549 AM EDT Sun Oct 12 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 4 AM EDT MONDAY...
* WHAT...Up to one half foot of inundation above ground level
expected in low lying areas due to tidal flooding.
* WHERE...Shoreline in the City of Alexandria and Arlington
County.
* WHEN...From 1 PM this afternoon to 4 AM EDT Monday, especially
around the time of high tide.
* IMPACTS...Water is expected to approach the curb near the
intersection of King Street and Strand Street in Alexandria.
* ADDITIONAL DETAILS...Tides one and a half to two feet above
normal. The next high tide at Alexandria is at 1:11 PM and 1:24
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.
&&
$$