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

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WHUS41 KLWX 200807
CFWLWX

Coastal Hazard Message
National Weather Service Baltimore MD/Washington DC
407 AM EDT Sat Apr 20 2024

MDZ014-201200-
/O.CAN.KLWX.CF.W.0012.000000T0000Z-240420T1200Z/
/O.EXB.KLWX.CF.Y.0048.000000T0000Z-240420T1200Z/
Anne Arundel-
407 AM EDT Sat Apr 20 2024

...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING...
...COASTAL FLOOD WARNING IS CANCELLED...

* 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 8 AM EDT this morning, especially around the time
  of the ongoing 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 and a half to two feet above
  normal.

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 6.0 ft
MHHW Categories - Minor 1.2 ft, Moderate 1.9 ft, Major 4.6 ft

             Total      Total    Departure
 Day/Time    Tide       Tide     from Norm   Waves    Flood
            ft MLLW    ft MHHW       ft       ft      Impact
 --------  ---------  ---------  ---------  -------  --------
 20/04 AM     3.0        1.6        1.8       0.5     Minor
 20/03 PM     2.2        0.8        1.2       0.5      None
 21/04 AM     2.2        0.8        0.9       0.5      None
 21/04 PM     2.0        0.6        1.0       0.5      None
 22/05 AM     2.5        1.1        1.1       0.5      None
 22/05 PM     1.9        0.5        0.9       0.5      None

&&

$$

MDZ017-200915-
/O.EXP.KLWX.CF.W.0012.000000T0000Z-240420T0800Z/
St. Marys-
407 AM EDT Sat Apr 20 2024

...COASTAL FLOOD WARNING HAS EXPIRED...

High tide has passed and water levels are falling.

$$

MDZ018-200915-
/O.EXP.KLWX.CF.Y.0047.000000T0000Z-240420T0800Z/
Calvert-
407 AM EDT Sat Apr 20 2024

...COASTAL FLOOD ADVISORY HAS EXPIRED...

High tide has passed and water levels are falling.

$$

DCZ001-VAZ054-201300-
/O.CON.KLWX.CF.Y.0048.000000T0000Z-240420T1300Z/
District of Columbia-Arlington/Falls Church/Alexandria-
407 AM EDT Sat Apr 20 2024

...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 the District of Columbia, Arlington
  County, and the City of Alexandria.

* WHEN...Until 9 AM EDT this morning, especially around the time
  of high tide.

* IMPACTS...Shoreline inundation is expected along portions of
  the seawall adjacent to Ohio Drive and the Hains Point Loop Road
  and near the Tidal Basin. 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 7:03 AM. The next
  high tide at Washington Channel is at 6:45 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.

&&

$$


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