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Baltimore, MD Severe Weather Alertstar_ratehome

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Location: Baltimore, MD
Elevation: 262ft
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Coastal Flood Advisory
Issued: 5:51 PM Aug. 19, 2025 – National Weather Service
...COASTAL FLOOD ADVISORY IN EFFECT FROM 3 AM TO 9 AM EDT
WEDNESDAY...

* 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 3 AM to 9 AM EDT Wednesday, 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 one and a half to two feet above
normal. The next high tide at Fort McHenry Baltimore is at 3:53
PM and 5:04 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.

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
--------  ---------  ---------  ---------  -------  --------
19/04 PM     2.4        0.7        1.1       0.5      None
20/05 AM     3.7        2.0        1.6       0.5     Minor
20/05 PM     2.8        1.1        1.5       0.5      None
21/05 AM     3.0        1.3        1.0       0.5      None
21/05 PM     1.7        0.0        0.3       0.5      None
22/07 AM     2.5        0.8        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
--------  ---------  ---------  ---------  -------  --------
19/05 PM     1.8        0.1        0.6       1.0      None
20/05 AM     3.0        1.3        0.9       1.0     Minor
20/05 PM     2.2        0.5        0.9       1.0      None
21/06 AM     2.9        1.2        0.8       1.0      None
21/06 PM     1.5       -0.2        0.1       1.0      None
22/08 AM     2.7        1.0        0.7       1.0      None

&&

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