Coastal Flood Warnings/Watches/Statements
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
668
WHUS41 KLWX 111304
CFWLWX
URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Baltimore MD/Washington DC
904 AM EDT Sat May 11 2024
MDZ017-112200-
/O.EXP.KLWX.CF.W.0015.000000T0000Z-240511T1300Z/
/O.NEW.KLWX.CF.Y.0062.240511T1900Z-240512T1300Z/
St. Marys-
904 AM EDT Sat May 11 2024
...COASTAL FLOOD ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO
9 AM EDT SUNDAY...
...COASTAL FLOOD WARNING HAS EXPIRED...
* WHAT...Up to one half foot of inundation above ground level
expected in low lying areas due to tidal flooding.
* WHERE...Shoreline in St. Marys County.
* WHEN...From 3 PM this afternoon to 9 AM EDT Sunday, especially
around the time of high tide.
* IMPACTS...At 3.0 feet, yards are flooded on Saint George
Island, and water will begin covering the road leading to the
island, especially if there is wave action.
* ADDITIONAL DETAILS...Tides one and a half to two feet above
normal. The next high tide at Coltons Point is at 6:36 PM and
6:37 AM. The next high tide at Point Lookout is at 4:47 PM and
5:15 AM. The next high tide at Piney Point is at 6:00 PM and
6:01 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.
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
-------- --------- --------- --------- ------- --------
11/06 PM 3.3 1.7 1.8 1.0 Minor
12/05 AM 3.4 1.8 1.8 1.0 Minor
12/06 PM 2.9 1.3 1.5 1.0 None
13/06 AM 2.9 1.3 1.4 0.5 None
13/08 PM 2.9 1.3 1.5 1.0 None
&&
$$
DCZ001-111800-
/O.UPG.KLWX.CF.Y.0061.000000T0000Z-240511T1800Z/
/O.NEW.KLWX.CF.W.0016.240511T1304Z-240511T1800Z/
District of Columbia-
904 AM EDT Sat May 11 2024
...COASTAL FLOOD WARNING IN EFFECT UNTIL 2 PM EDT THIS
AFTERNOON...
* WHAT...Up to one foot of inundation above ground level in low
lying areas due to tidal flooding.
* WHERE...Shoreline in the District of Columbia.
* WHEN...Until 2 PM EDT this afternoon, especially around the
time of high tide.
* IMPACTS...The unprotected area on the Southwest Waterfront at
the DC Seafood Market is expected to flood. Water is expected to
approach parts of the Hains Point Loop Road, but it will likely
be closed.
* ADDITIONAL DETAILS...Tides one to one and a half feet above
normal. The next high tide at Washington Channel is at 11:04 AM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take the necessary actions to protect flood-prone property. If
travel is required, do not drive around barricades or through
water of unknown depth.
&&
$$
MDZ508-112000-
/O.EXB.KLWX.CF.Y.0061.240511T1500Z-240511T2000Z/
Southeast Harford-
904 AM EDT Sat May 11 2024
...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 4 PM EDT THIS
AFTERNOON...
* WHAT...Up to one half foot of inundation above ground level
expected in low lying areas due to tidal flooding.
* WHERE...Shoreline in Southeast Harford County.
* WHEN...Until 4 PM EDT this afternoon, especially around the
time of high tide.
* IMPACTS...At 4.0 feet, water begins to go over the bulkhead at
the Havre de Grace Yacht Basin in multiple locations.
* ADDITIONAL DETAILS...Tides one to one and a half feet above
normal. The next high tide at Havre de Grace is at 12:45 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.
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
-------- --------- --------- --------- ------- --------
11/01 PM 4.3 1.9 1.4 1.0 Minor
12/02 AM 3.2 0.8 1.3 1.0 None
12/02 PM 4.2 1.8 1.4 1.0 Minor
13/03 AM 2.7 0.3 0.8 1.0 None
13/03 PM 3.5 1.1 0.9 1.0 None
14/04 AM 3.4 1.0 1.5 1.0 None
&&
$$
MDZ014-112200-
/O.EXT.KLWX.CF.Y.0061.000000T0000Z-240512T1700Z/
Anne Arundel-
904 AM EDT Sat May 11 2024
...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 1 PM EDT SUNDAY...
* WHAT...Up to one foot of inundation above ground level in low
lying areas due to tidal flooding.
* WHERE...Shoreline in Anne Arundel County.
* WHEN...Until 1 PM EDT Sunday, especially around the time of
high tide.
* IMPACTS...At 3.2 feet, water begins to approach businesses on
Dock Street in Annapolis. The City Dock parking lot is
flooded. Compromise Street is flooded.
* ADDITIONAL DETAILS...Tides one and a half to two feet above
normal. The next high tide at Annapolis U.S. Naval Academy is at
8:32 PM and 9:30 AM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.
&&
Time of high total tides are approximate to the nearest hour.
Severn River at Annapolis
MLLW Categories - Minor 2.6 ft, Moderate 3.3 ft, Major 6.0 ft
MHHW Categories - Minor 1.2 ft, Moderate 1.9 ft, Major 4.6 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
11/08 AM 3.2 1.8 1.6 0.5 Minor
11/08 PM 2.6 1.2 1.7 1.0 Minor
12/08 AM 3.1 1.7 1.7 0.5 Minor
12/08 PM 2.1 0.7 1.3 0.5 None
13/10 AM 2.7 1.3 1.3 1.0 Minor
13/10 PM 2.5 1.1 1.5 1.0 None
&&
$$
MDZ011-111700-
/O.EXT.KLWX.CF.Y.0061.000000T0000Z-240511T1700Z/
Southern Baltimore-
904 AM EDT Sat May 11 2024
...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 1 PM EDT THIS
AFTERNOON...
* WHAT...Up to one half foot of inundation above ground level in
low lying areas due to tidal flooding.
* WHERE...Shoreline in Southern Baltimore County and the city of
Baltimore.
* WHEN...Until 1 PM EDT this afternoon, 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.
* ADDITIONAL DETAILS...Tides one to one and a half feet above
normal. The next high tide at Fort McHenry Baltimore is at 9:52
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.
NW Branch Patapsco River at Baltimore MD
MLLW Categories - Minor 3.0 ft, Moderate 5.0 ft, Major 6.0 ft
MHHW Categories - Minor 1.3 ft, Moderate 3.3 ft, Major 4.3 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
11/10 AM 3.5 1.8 1.5 0.5 Minor
11/10 PM 2.8 1.1 1.7 0.5 None
12/10 AM 3.4 1.7 1.6 0.5 Minor
12/11 PM 2.3 0.6 1.2 0.5 None
13/12 PM 2.7 1.0 1.0 0.5 None
14/12 AM 2.8 1.1 1.6 1.0 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
-------- --------- --------- --------- ------- --------
11/10 AM 2.9 1.2 1.1 0.5 None
11/11 PM 2.6 0.9 1.6 1.0 None
12/11 AM 3.2 1.5 1.5 1.0 Minor
12/11 PM 1.9 0.2 1.0 0.5 None
13/12 PM 2.6 0.9 1.0 1.0 None
14/01 AM 2.7 1.0 1.6 1.0 None
&&
$$
VAZ054-111800-
/O.CON.KLWX.CF.Y.0061.000000T0000Z-240511T1800Z/
Arlington/Falls Church/Alexandria-
904 AM EDT Sat May 11 2024
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS
AFTERNOON...
* WHAT...Up to one half foot of inundation above ground level in
low lying areas due to tidal flooding.
* WHERE...Shoreline in the City of Alexandria and Arlington
County.
* WHEN...Until 2 PM EDT this afternoon, especially around the
time of high tide.
* IMPACTS...Flooding of lots, parks, and roads with only isolated
road closures expected. Water is expected to approach the curb
near the intersection of King Street and Strand Street in
Alexandria.
* ADDITIONAL DETAILS...Tides one to one and a half feet above
normal. The next high tide at Alexandria is at 11:22 AM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.
&&
$$