Coastal Flood Advisory for Baltimore, Maryland
Coastal Hazard Message
National Weather Service Baltimore MD/Washington DC
1258 AM EDT Wed Apr 24 2024
MDZ011-241500-
/O.EXB.KLWX.CF.Y.0049.240424T0800Z-240424T1700Z/
Southern Baltimore-
1258 AM EDT Wed Apr 24 2024
...COASTAL FLOOD ADVISORY IN EFFECT FROM 4 AM EARLY THIS MORNING
TO 1 PM EDT THIS AFTERNOON...
* WHAT...Up to one half foot of inundation above ground level
expected in low lying areas due to tidal flooding.
* WHERE...Shoreline in Southern Baltimore County and the city of
Baltimore.
* WHEN...From 4 AM early this morning to 1 PM EDT this
afternoon, especially around the time of high tide.
* IMPACTS...At 3.5 feet, flooding is occurring at the end of
Thames Street in Baltimore. Water covers the promenade in the
Inner Harbor in multiple locations. At 3.0 feet, water begins
encroaching upon yards in the Bowleys Quarters area.
* ADDITIONAL DETAILS...Tides two to two and a half feet above
normal. The next high tide at Fort McHenry Baltimore is at 7:49
AM and 8:00 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.
NW Branch Patapsco River at Baltimore MD
MLLW Categories - Minor 3.0 ft, Moderate 5.0 ft, Major 6.0 ft
MHHW Categories - Minor 1.3 ft, Moderate 3.3 ft, Major 4.3 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
24/07 AM 3.7 2.0 2.0 0.5 Minor
24/07 PM 2.2 0.5 1.2 1.0 None
25/08 AM 2.3 0.6 0.5 0.5 None
25/09 PM 1.6 -0.1 0.6 0.5 None
26/09 AM 2.7 1.0 0.9 0.5 None
26/09 PM 2.0 0.3 1.0 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
-------- --------- --------- --------- ------- --------
24/09 AM 3.1 1.4 1.4 1.0 Minor
24/07 PM 1.8 0.1 1.0 1.0 None
25/08 AM 1.7 0.0 0.1 1.0 None
25/09 PM 1.2 -0.5 0.3 1.0 None
26/09 AM 2.2 0.5 0.5 1.0 None
26/09 PM 1.7 0.0 0.8 1.0 None