870
WHUS41 KLWX 181216
CFWLWX

Coastal Hazard Message
National Weather Service Baltimore MD/Washington DC
816 AM EDT Wed Sep 18 2024

VAZ054-182030-
/O.EXA.KLWX.CF.Y.0107.000000T0000Z-240919T0300Z/
Arlington/Falls Church/Alexandria-
816 AM EDT Wed Sep 18 2024

...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

* WHAT...Up to one half foot of inundation above ground level in
  low lying areas due to tidal flooding.

* WHERE...Shoreline in the City of Alexandria and Arlington
  County.

* WHEN...Until 11 PM EDT this evening, especially around the
  time of high tide.

* IMPACTS...Flooding of lots, parks, and roads with only
  isolated road closures expected.

* ADDITIONAL DETAILS...Tides one to one and a half feet above
  normal. The next high tide at Alexandria is at 8:59 AM and 9:18
  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.

&&

$$

MDZ016-VAZ057-182030-
/O.CON.KLWX.CF.Y.0107.000000T0000Z-240918T2200Z/
Charles-King George-
816 AM EDT Wed Sep 18 2024

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THIS
EVENING...

* WHAT...Up to one half foot of inundation above ground level in
  low lying areas due to tidal flooding.

* WHERE...Shoreline in Charles and King George Counties.

* WHEN...Until 6 PM EDT this evening, especially around the time
  of high tide.

* IMPACTS...At 3.5 feet, water reaches yards near Cobb Island
  and docks near Dahlgren.

* ADDITIONAL DETAILS...Tides one to one and a half feet above
  normal. The next high tide at Indian Head is at 8:27 AM and 8:46
  PM. The next high tide at Goose Bay is at 4:52 PM and 5:20 AM.
  The next high tide at Dahlgren is at 3:45 PM and 4:10 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.

Upper Machodoc Creek at Dahlgren
MLLW Categories - Minor 3.5 ft, Moderate 5.0 ft, Major 7.0 ft
MHHW Categories - Minor 1.6 ft, Moderate 3.1 ft, Major 5.1 ft

             Total      Total    Departure
 Day/Time    Tide       Tide     from Norm   Waves    Flood
            ft MLLW    ft MHHW       ft       ft      Impact
 --------  ---------  ---------  ---------  -------  --------
 18/03 AM     3.7        1.8        1.5       1.0     Minor
 18/04 PM     3.7        1.8        1.3       1.0     Minor
 19/04 AM     3.4        1.5        1.2       0.5      None
 19/05 PM     3.8        1.9        1.4       0.5     Minor
 20/05 AM     3.7        1.8        1.5       0.5     Minor
 20/05 PM     3.9        2.0        1.5       0.5     Minor

&&

$$

DCZ001-182030-
/O.CON.KLWX.CF.Y.0107.000000T0000Z-240919T0300Z/
District of Columbia-
816 AM EDT Wed Sep 18 2024

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

* 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.

* WHEN...Until 11 PM EDT this evening, 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 and Jefferson Memorial.

* ADDITIONAL DETAILS...Tides one to one and a half feet above
  normal. The next high tide at Washington Channel is at 8:41 AM
  and 9:00 PM.

PRECAUTIONAShoreline inundation is expected along portions of the
seawall adjacent to Ohio Drive and the Hains Point Loop Road, and
near the Tidal Basin and Jefferson Memorial.RY/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.

&&

$$

BELAK