Coastal Flood Warnings/Watches/Statements
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
752
WHUS41 KLWX 201842
CFWLWX
Coastal Hazard Message
National Weather Service Baltimore MD/Washington DC
242 PM EDT Fri Sep 20 2024
MDZ014-210245-
/O.CON.KLWX.CF.Y.0108.000000T0000Z-240921T2200Z/
/O.CON.KLWX.CF.A.0014.240921T2200Z-240923T0200Z/
Anne Arundel-
242 PM EDT Fri Sep 20 2024
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT
SATURDAY...
...COASTAL FLOOD WATCH REMAINS IN EFFECT FROM SATURDAY EVENING
THROUGH SUNDAY EVENING...
* WHAT...For the Coastal Flood Advisory, up to one half foot of
inundation above ground level in low lying areas due to tidal
flooding. For the Coastal Flood Watch, one 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 Sunday
evening, 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 two to two and a half feet above
normal. The next high tide at Annapolis U.S. Naval Academy is at
8:10 PM and 7:52 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
-------- --------- --------- --------- ------- --------
20/08 PM 3.0 1.6 1.2 1.0 Minor
21/07 AM 2.8 1.4 1.5 0.5 Minor
21/09 PM 3.5 2.1 1.7 1.0 Moderate
22/08 AM 3.3 1.9 2.1 1.0 Moderate
22/10 PM 3.7 2.3 1.9 1.0 Moderate
23/09 AM 3.0 1.6 1.9 1.0 Minor
&&
$$
MDZ016-VAZ057-210245-
/O.CON.KLWX.CF.Y.0107.000000T0000Z-240923T0200Z/
Charles-King George-
242 PM EDT Fri Sep 20 2024
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT
SUNDAY...
* WHAT...Up to one foot of inundation above ground level in low
lying areas due to tidal flooding.
* WHERE...Shoreline in Charles and King George Counties.
* WHEN...Until 10 PM EDT Sunday, especially around the time of
high tide.
* IMPACTS...At 3.5 feet, water reaches yards near Cobb Island
and docks near Dahlgren.
* ADDITIONAL DETAILS...Tides two to two and a half feet above
normal. The next high tide at Goose Bay is at 6:26 PM and 6:59
AM. The next high tide at Indian Head is at 10:20 PM and 10:53
AM. The next high tide at Dahlgren is at 5:25 PM and 5:49 AM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.
&&
Time of high total tides are approximate to the nearest hour.
Upper Machodoc Creek at Dahlgren
MLLW Categories - Minor 3.5 ft, Moderate 5.0 ft, Major 7.0 ft
MHHW Categories - Minor 1.6 ft, Moderate 3.1 ft, Major 5.1 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
20/05 PM 3.8 1.9 1.4 0.5 Minor
21/06 AM 3.7 1.8 1.6 0.5 Minor
21/06 PM 4.1 2.2 1.8 1.0 Minor
22/07 AM 4.0 2.1 2.0 0.5 Minor
22/06 PM 4.2 2.3 2.1 1.0 Minor
23/07 AM 4.0 2.1 2.1 0.5 Minor
&&
$$
DCZ001-VAZ054-210245-
/O.CON.KLWX.CF.Y.0107.000000T0000Z-240923T0000Z/
District of Columbia-Arlington/Falls Church/Alexandria-
242 PM EDT Fri Sep 20 2024
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 8 PM 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, Arlington
County, and the City of Alexandria.
* WHEN...Until 8 PM 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. 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 10:52 PM and
11:25 AM. The next high tide at Washington Channel is at 10:34
PM and 11:07 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.
&&
$$
MDZ011-017-018-508-210245-
/O.CON.KLWX.CF.Y.0107.000000T0000Z-240923T0000Z/
Southern Baltimore-St. Marys-Calvert-Southeast Harford-
242 PM EDT Fri Sep 20 2024
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT
SUNDAY...
* WHAT...Up to one foot of inundation above ground level in low
lying areas due to tidal flooding.
* WHERE...Southern Baltimore and Southeast Harford Counties.
* WHEN...Until 8 PM EDT Sunday, especially around the time of
high tide.
* IMPACTS...At 3.5 feet, flooding is occurring at the end of
Thames Street in Baltimore. Water covers the promenade in the
Inner Harbor in multiple locations. At 3.0 feet, water begins
encroaching upon yards in the Bowleys Quarters area. At 4.5
feet, portions of the Havre de Grace Yacht Basin are flooded,
along with Hutchins Park.
* ADDITIONAL DETAILS...Tides two to two and a half feet above
normal. The next high tide at Fort McHenry Baltimore is at 9:30
PM and 9:26 AM. The next high tide at Piney Point is at 4:40 PM
and 5:13 AM. The next high tide at Point Lookout is at 4:02 PM
and 3:58 AM. The next high tide at Solomons Island is at 4:42 PM
and 4:53 AM. The next high tide at Coltons Point is at 5:16 PM
and 5:49 AM. The next high tide at Chesapeake Beach is at 6:43
PM and 6:39 AM. The next high tide at Havre de Grace is at
12:16 AM and 12:56 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.
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
-------- --------- --------- --------- ------- --------
20/10 PM 3.4 1.7 1.3 0.5 Minor
21/10 AM 3.5 1.8 2.0 0.5 Minor
21/10 PM 3.7 2.0 1.6 0.5 Minor
22/10 AM 3.1 1.4 1.7 0.5 None
22/11 PM 3.9 2.2 1.8 0.5 Minor
23/11 AM 3.1 1.4 1.8 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
-------- --------- --------- --------- ------- --------
20/10 PM 3.1 1.4 1.1 1.0 Minor
21/10 AM 2.7 1.0 1.4 0.5 None
21/11 PM 3.6 1.9 1.6 1.0 Minor
22/10 AM 2.9 1.2 1.7 1.0 None
23/12 AM 3.8 2.1 1.8 1.0 Moderate
23/11 AM 2.9 1.2 1.8 1.0 None
St Marys River at Straits Point
MLLW Categories - Minor 3.0 ft, Moderate 3.5 ft, Major 5.0 ft
MHHW Categories - Minor 1.4 ft, Moderate 1.9 ft, Major 3.4 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- . --------
20/05 PM 3.7 2.1 1.8 1.0 Minor
21/06 AM 3.6 2.0 2.1 1.0 Minor
21/05 PM 3.8 2.2 2.0 1.0 Minor
22/06 AM 3.6 2.0 2.1 1.0 Minor
22/05 PM 3.6 2.0 1.9 1.0 Minor
23/06 AM 3.7 2.1 2.3 1.0 Minor
Chesapeake Bay at North Beach
MLLW Categories - Minor 3.0 ft, Moderate 4.0 ft, Major 5.0 ft
MHHW Categories - Minor 1.6 ft, Moderate 2.6 ft, Major 3.6 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
20/06 PM 3.1 1.7 1.3 1.0 Minor
21/06 AM 2.8 1.4 1.5 0.5 None
21/08 PM 3.6 2.2 1.7 1.0 Minor
22/07 AM 3.1 1.7 1.9 1.0 Minor
22/09 PM 3.8 2.4 1.9 1.0 Minor
23/08 AM 3.0 1.6 1.9 1.0 Minor
Patuxent River at Solomons Island
MLLW Categories - Minor 3.0 ft, Moderate 4.0 ft, Major 5.0 ft
MHHW Categories - Minor 1.5 ft, Moderate 2.5 ft, Major 3.5 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
20/05 PM 3.2 1.7 1.3 1.0 Minor
21/05 AM 3.2 1.7 1.5 1.0 Minor
21/06 PM 3.5 2.0 1.6 1.0 Minor
22/05 AM 3.4 1.9 1.8 1.0 Minor
22/06 PM 3.7 2.2 1.9 1.0 Minor
23/06 AM 3.4 1.9 1.9 1.0 Minor
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
-------- --------- --------- --------- ------- --------
21/01 AM 4.4 2.0 1.5 0.5 Minor
21/01 PM 4.1 1.7 2.0 0.5 Minor
22/02 AM 4.5 2.1 1.6 1.0 Minor
22/02 PM 4.0 1.6 2.0 1.0 Minor
23/02 AM 4.6 2.2 1.7 0.5 Minor
&&
$$