951
WHUS41 KLWX 180409
CFWLWX

Coastal Hazard Message
National Weather Service Baltimore MD/Washington DC
1209 AM EDT Wed Sep 18 2024

MDZ016-VAZ057-181215-
/O.NEW.KLWX.CF.Y.0107.240918T0600Z-240918T2200Z/
Charles-King George-
1209 AM EDT Wed Sep 18 2024

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

* WHAT...Up to one half foot of inundation above ground level
  expected 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. High tide at Goose Bay is at 4:33 AM. High tide at
  Dahlgren is at 3:21 AM and 3:45 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.

&&

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     3.5        1.6        1.3       1.0     Minor
 18/04 PM     3.6        1.7        1.2       1.0     Minor
 19/04 AM     3.4        1.5        1.2       0.5      None
 19/04 PM     3.7        1.8        1.3       0.5     Minor
 20/05 AM     3.6        1.7        1.4       0.5     Minor
 20/05 PM     3.8        1.9        1.4       0.5     Minor

&&

$$

DCZ001-181215-
/O.NEW.KLWX.CF.Y.0107.240918T1100Z-240919T0300Z/
District of Columbia-
1209 AM EDT Wed Sep 18 2024

...COASTAL FLOOD ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO
11 PM EDT THIS EVENING...

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

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

* WHEN...From 7 AM this morning to 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. High tide at Washington Channel is at 8:41 AM and 9:00
  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.

&&

$$