Coastal Flood Warnings/Watches/Statements
Issued by NWS Sterling, VA

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WHUS41 KLWX 141306
CFWLWX

Coastal Hazard Message
National Weather Service Baltimore MD/Washington DC
906 AM EDT Wed May 14 2025

DCZ001-142115-
/O.CAN.KLWX.CF.Y.0006.000000T0000Z-250514T1600Z/
/O.CON.KLWX.CF.A.0001.250515T1200Z-250516T2200Z/
District of Columbia-
906 AM EDT Wed May 14 2025

...COASTAL FLOOD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH FRIDAY AFTERNOON...
...COASTAL FLOOD ADVISORY IS CANCELLED...

* WHAT...Up to two feet of inundation above ground level possible
  in low lying areas due to as combination tidal and fresh water
  flooding.

* WHERE...Shoreline in the District of Columbia.

* WHEN...From Thursday morning through Friday afternoon,
  especially around the time of high tide.

* IMPACTS...Flooding of Washington Harbor is possible, if flood
  gatees are not in place, should water levels reach the forecast
  values. Additionally, more than a third of Rosevelt Island is
  covered in water, and backwater flooding of Rock Creek in
  Georgetown begins to occur.

* ADDITIONAL DETAILS...Tides one and a half to two feet above
  normal. The next high tide cycle with expected flooding impacts
  at Washington Channel is at 10:24 AM on Thursday.

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.

&&

$$

VAZ054-141415-
/O.CAN.KLWX.CF.Y.0006.000000T0000Z-250514T1500Z/
Arlington/Falls Church/Alexandria-
906 AM EDT Wed May 14 2025

...COASTAL FLOOD ADVISORY IS CANCELLED...

Water levels are no longer expected to reach minor flood stage.

$$

MDZ018-141415-
/O.EXP.KLWX.CF.Y.0006.000000T0000Z-250514T1300Z/
Calvert-
906 AM EDT Wed May 14 2025

...COASTAL FLOOD ADVISORY HAS EXPIRED...

Water levels have dropped below minor flood stage.

$$

MDZ014-141415-
/O.CON.KLWX.CF.Y.0006.000000T0000Z-250514T1400Z/
Anne Arundel-
906 AM EDT Wed May 14 2025

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 10 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 Anne Arundel County.

* WHEN...Until 10 AM EDT this morning, especially around the
  time of high tide.

* IMPACTS...At 2.6 feet, water may begin to pond in the parking
  lot at Annapolis City Dock, and surround the Alex Haley
  Memorial.

* ADDITIONAL DETAILS...Tides one to one and a half feet above
  normal. High tide is ongoing at Annapolis U.S. Naval Academy.

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
 --------  ---------  ---------  ---------  -------  --------
 14/07 PM     1.8        0.4        0.9       1.0      None
 15/07 AM     2.5        1.1        1.0       0.5      None
 15/07 PM     1.6        0.2        0.7       0.5      None
 16/08 AM     2.2        0.8        0.7       0.5      None
 16/09 PM     1.6        0.2        0.6       0.5      None

&&

$$

MDZ011-141415-
/O.CON.KLWX.CF.Y.0006.000000T0000Z-250514T1400Z/
Southern Baltimore-
906 AM EDT Wed May 14 2025

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 10 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 10 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 is ongoing at Fort McHenry Baltimore.

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
 --------  ---------  ---------  ---------  -------  --------
 14/08 AM     3.2        1.5        1.4       0.5      None
 14/08 PM     2.0        0.3        1.0       0.5      None
 15/09 AM     2.6        0.9        0.8       0.5      None
 15/09 PM     1.7        0.0        0.7       0.5      None
 16/09 AM     2.4        0.7        0.7       0.5      None
 16/09 PM     1.5       -0.2        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
 --------  ---------  ---------  ---------  -------  --------
 14/08 AM     3.2        1.5        1.4       1.0     Minor
 14/08 PM     2.0        0.3        1.0       0.5      None
 15/09 AM     2.7        1.0        0.9       0.5      None
 15/09 PM     1.8        0.1        0.8       0.5      None
 16/10 AM     2.5        0.8        0.7       0.5      None
 16/11 PM     1.7        0.0        0.6       0.5      None

&&

$$

MDZ508-141900-
/O.CON.KLWX.CF.Y.0006.250514T1400Z-250514T1900Z/
Southeast Harford-
906 AM EDT Wed May 14 2025

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 3 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 Southeast Harford County.

* WHEN...Until 3 PM EDT this afternoon, 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. The next high tide at Havre de Grace is at 11:36 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.

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
 --------  ---------  ---------  ---------  -------  --------
 14/12 PM     4.0        1.6        1.5       1.0     Minor
 15/12 AM     3.5        1.1        1.3       1.0      None
 15/12 PM     3.6        1.2        1.2       1.0      None
 16/01 AM     3.3        0.9        1.1       0.5      None
 16/01 PM     3.6        1.2        1.1       1.0      None
 17/02 AM     3.2        0.8        1.0       0.5      None

&&

$$

CJL