498
WHUS41 KLWX 191519
CFWLWX

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Baltimore MD/Washington DC
1119 AM EDT Thu Sep 19 2024

VAZ054-191630-
/O.CAN.KLWX.CF.Y.0107.000000T0000Z-240920T0400Z/
Arlington/Falls Church/Alexandria-
1119 AM EDT Thu Sep 19 2024

...COASTAL FLOOD ADVISORY IS CANCELLED...

Minor coastal flooding is no longer expected.

$$

MDZ014-192330-
/O.NEW.KLWX.CF.A.0014.240921T2200Z-240922T0500Z/
/O.EXT.KLWX.CF.Y.0108.000000T0000Z-240921T2200Z/
Anne Arundel-
1119 AM EDT Thu Sep 19 2024

...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 6 PM EDT SATURDAY...
...COASTAL FLOOD WATCH IN EFFECT FROM SATURDAY EVENING THROUGH
LATE SATURDAY NIGHT...

* WHAT...For the Coastal Flood Advisory, up to one and a half feet
  of inundation above ground level in low lying areas due to tidal
  flooding. For the Coastal Flood Watch, up to two feet of
  inundation above ground level possible in low lying areas due to
  tidal flooding.

* WHERE...Shoreline in Anne Arundel County.

* WHEN...For the Coastal Flood Advisory, until 6 PM EDT
  Saturday, especially around the time of high tide. For the
  Coastal Flood Watch, from Saturday evening through late
  Saturday night, especially around the time of high tide.

* IMPACTS...At 3.5 feet, water reaches the floor of the Maritime
  Museum in Annapolis, begins to cover Bowyer Road on the Naval
  Academy campus, and numerous businesses on Dock Street are
  flooded, along with the City Dock parking lot. Bayside Beach
  begins to flood around Harbor Rd and Lake Dr.

* ADDITIONAL DETAILS...Tides one and a half to two feet above
  normal. The next high tide at Annapolis U.S. Naval Academy is at
  7:14 PM and 7:09 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.

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
 --------  ---------  ---------  ---------  -------  --------
 19/06 PM     2.8        1.4        1.3       0.5     Minor
 20/07 AM     2.9        1.5        1.5       0.5     Minor
 20/08 PM     3.1        1.7        1.3       1.0     Minor
 21/07 AM     2.9        1.5        1.6       0.5     Minor
 21/09 PM     3.5        2.1        1.7       1.0    Moderate

&&

$$

MDZ016-VAZ057-192330-
/O.EXT.KLWX.CF.Y.0107.000000T0000Z-240922T1200Z/
Charles-King George-
1119 AM EDT Thu Sep 19 2024

...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 8 AM EDT SUNDAY...

* WHAT...Up to two feet of inundation above ground level in low
  lying areas due to tidal flooding.

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

* WHEN...Until 8 AM EDT Sunday, 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 and a half to two feet above
  normal. The next high tide at Goose Bay is at 5:39 PM and 6:09
  AM. The next high tide at Dahlgren is at 4:34 PM and 4:59 AM.
  The next high tide at Indian Head is at 9:33 PM and 10:03 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
 --------  ---------  ---------  ---------  -------  --------
 19/04 PM     3.6        1.7        1.2       0.5     Minor
 20/05 AM     3.7        1.8        1.5       0.5     Minor
 20/05 PM     3.8        1.9        1.4       0.5     Minor
 21/05 AM     3.6        1.7        1.6       0.5     Minor
 21/05 PM     3.9        2.0        1.7       0.5     Minor
 22/06 AM     3.8        1.9        1.9       0.5     Minor

&&

$$

DCZ001-192330-
/O.EXT.KLWX.CF.Y.0107.000000T0000Z-240922T0600Z/
District of Columbia-
1119 AM EDT Thu Sep 19 2024

...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 2 AM EDT SUNDAY...

* WHAT...One to two feet of inundation above ground level in low
  lying areas due to tidal flooding.

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

* WHEN...Until 2 AM EDT Sunday, 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 and a half to two feet above
  normal. The next high tide at Washington Channel is at 9:47 PM
  and 10:17 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.

&&

$$