Coastal Flood Warnings/Watches/Statements
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
361
WHUS41 KLWX 050932
CFWLWX
Coastal Hazard Message
National Weather Service Baltimore MD/Washington DC
532 AM EDT Fri Sep 5 2025
MDZ014-051300-
/O.CON.KLWX.CF.Y.0036.000000T0000Z-250905T1300Z/
Anne Arundel-
532 AM EDT Fri Sep 5 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS
MORNING...
* 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...Until 9 AM EDT this morning, especially around the time
of high tide.
* IMPACTS...At 3.2 feet, water begins to approach businesses on
Dock Street in Annapolis. The City Dock parking lot is
flooded. Compromise Street is flooded.
* ADDITIONAL DETAILS...Tides one and a half to two feet above
normal. High tide at Annapolis U.S. Naval Academy is ongoing.
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
-------- --------- --------- --------- ------- --------
05/03 PM 2.2 0.8 0.9 1.0 None
06/05 AM 3.0 1.6 1.2 1.0 Minor
06/05 PM 2.2 0.8 0.8 1.0 None
07/05 AM 2.1 0.7 0.4 0.5 None
07/05 PM 1.8 0.4 0.3 0.5 None
&&
$$
MDZ011-051200-
/O.CON.KLWX.CF.Y.0036.000000T0000Z-250905T1200Z/
Southern Baltimore-
532 AM EDT Fri Sep 5 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 8 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 Southern Baltimore County and the City of
Baltimore.
* WHEN...Until 8 AM EDT this morning, especially around the time
of high tide.
* IMPACTS...At 3.0 feet, flooding is occurring at the end of
Thames Street in Baltimore. Water also nearly covers the
promenade at the dragon boat dock in the Inner Harbor. At 3.0
feet, water begins encroaching upon yards in the Bowleys
Quarters area.
* ADDITIONAL DETAILS...Tides one to one and a half feet above
normal. High tide at Fort McHenry Baltimore is ongoing.
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.
NW Branch Patapsco River at Baltimore MD
MLLW Categories - Minor 3.4 ft, Moderate 4.6 ft, Major 6.0 ft
MHHW Categories - Minor 1.7 ft, Moderate 2.9 ft, Major 4.3 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
05/05 AM 3.2 1.5 1.3 0.5 None
05/05 PM 2.2 0.5 0.8 1.0 None
06/06 AM 3.2 1.5 1.2 0.5 None
06/06 PM 2.2 0.5 0.7 0.5 None
07/07 AM 2.4 0.7 0.4 0.5 None
07/09 PM 2.0 0.3 0.5 0.5 None
Chesapeake Bay at Bowleys Quarters
MLLW Categories - Minor 3.0 ft, Moderate 3.8 ft, Major 5.0 ft
MHHW Categories - Minor 1.3 ft, Moderate 2.1 ft, Major 3.3 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
05/05 AM 3.3 1.6 1.3 1.0 Minor
05/06 PM 2.3 0.6 0.9 1.0 None
06/06 AM 3.2 1.5 1.2 1.0 Minor
06/06 PM 2.1 0.4 0.6 1.0 None
07/07 AM 2.3 0.6 0.3 1.0 None
07/09 PM 2.0 0.3 0.4 0.5 None
&&
$$
MDZ508-051500-
/O.CON.KLWX.CF.Y.0036.250905T1000Z-250905T1500Z/
Southeast Harford-
532 AM EDT Fri Sep 5 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS
MORNING...
* WHAT...Up to one half foot of inundation above ground level
expected in low lying areas due to tidal flooding.
* WHERE...Shoreline in Southeast Harford County.
* WHEN...Until 11 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 to one and a half feet above
normal. High tide at Havre de Grace is ongoing.
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
-------- --------- --------- --------- ------- --------
05/08 AM 4.1 1.7 1.5 0.5 Minor
05/10 PM 3.5 1.1 1.1 1.0 None
06/09 AM 4.0 1.6 1.4 1.0 Minor
06/10 PM 3.2 0.8 0.6 0.5 None
07/10 AM 3.0 0.6 0.4 1.0 None
07/11 PM 3.1 0.7 0.5 0.5 None
&&
$$
DHOF