Coastal Flood Warnings/Watches/Statements
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
317
WHUS41 KLWX 211441
CFWLWX
Coastal Hazard Message
National Weather Service Baltimore MD/Washington DC
1041 AM EDT Sat Sep 21 2024
MDZ014-212245-
/O.CON.KLWX.CF.W.0019.240921T2100Z-240923T0800Z/
/O.CON.KLWX.CF.Y.0108.000000T0000Z-240921T1700Z/
Anne Arundel-
1041 AM EDT Sat Sep 21 2024
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 1 PM EDT THIS
AFTERNOON...
...COASTAL FLOOD WARNING REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 4 AM EDT MONDAY...
* WHAT...For the Coastal Flood Advisory, up to one foot of
inundation above ground level in low lying areas due to tidal
flooding. For the Coastal Flood Warning, one to two feet of
inundation above ground level expected in low lying areas due
to tidal flooding.
* WHERE...Shoreline in Anne Arundel County.
* WHEN...For the Coastal Flood Advisory, until 1 PM EDT this
afternoon, especially around the time of high tide. For the
Coastal Flood Warning, from 5 PM this afternoon to 4 AM EDT
Monday, 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 9:06
PM and 8:37 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.
&&
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
-------- --------- --------- --------- ------- --------
21/08 AM 3.2 1.8 1.9 0.5 Minor
21/09 PM 3.7 2.3 1.9 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 3.1 1.7 2.0 1.0 Minor
23/11 PM 3.6 2.2 1.9 1.0 Moderate
&&
$$
MDZ016-VAZ057-212245-
/O.CON.KLWX.CF.Y.0107.000000T0000Z-240923T0300Z/
Charles-King George-
1041 AM EDT Sat Sep 21 2024
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT
SUNDAY...
* WHAT...Up to one foot of inundation above ground level in low
lying areas due to tidal flooding.
* WHERE...Shoreline in Charles and King George Counties.
* WHEN...Until 11 PM EDT Sunday, especially around the time of
high tide.
* IMPACTS...At 3.5 feet, water reaches yards near Cobb Island
and docks near Dahlgren.
* ADDITIONAL DETAILS...Tides two to two and a half feet above
normal. The next high tide at Goose Bay is at 7:17 PM and 7:54
AM. The next high tide at Dahlgren is at 6:17 PM and 6:41 AM.
The next high tide at Indian Head is at 10:53 AM and 11:11 PM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.
&&
Time of high total tides are approximate to the nearest hour.
Upper Machodoc Creek at Dahlgren
MLLW Categories - Minor 3.5 ft, Moderate 5.0 ft, Major 7.0 ft
MHHW Categories - Minor 1.6 ft, Moderate 3.1 ft, Major 5.1 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
21/06 AM 3.8 1.9 1.7 0.5 Minor
21/07 PM 4.2 2.3 1.9 1.0 Minor
22/07 AM 4.0 2.1 2.0 0.5 Minor
22/07 PM 4.3 2.4 2.1 1.0 Minor
23/07 AM 4.0 2.1 2.1 0.5 Minor
23/08 PM 4.2 2.3 2.1 0.5 Minor
&&
$$
DCZ001-VAZ054-212245-
/O.CON.KLWX.CF.Y.0107.000000T0000Z-240923T0800Z/
District of Columbia-Arlington/Falls Church/Alexandria-
1041 AM EDT Sat Sep 21 2024
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT
MONDAY...
* 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 4 AM EDT Monday, 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 Washington Channel is at 11:07 AM
and 11:25 PM. The next high tide at Alexandria is at 11:25 AM
and 11:43 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.
&&
$$
MDZ017-212245-
/O.CON.KLWX.CF.Y.0107.000000T0000Z-240923T0000Z/
St. Marys-
1041 AM EDT Sat Sep 21 2024
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT
SUNDAY...
* WHAT...Up to one half foot of inundation above ground level in
low lying areas due to tidal flooding.
* WHERE...Shoreline in St. Marys County.
* WHEN...Until 8 PM EDT Sunday, especially around the time of
high tide.
* IMPACTS...At 3.5 feet, water covers roads on Saint George
Island, is in yards, and is approaching structures. To the
east, inundation is occurring at multiple marinas off St.
Mary`s River, Smith Creek, and Jutland Creek.
* ADDITIONAL DETAILS...Tides two to two and a half feet above
normal. The next high tide at Point Lookout is at 4:56 PM and
4:46 AM. The next high tide at Coltons Point is at 6:07 PM and
6:44 AM. The next high tide at Piney Point is at 5:31 PM and
6:08 AM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.
&&
Time of high total tides are approximate to the nearest hour.
St Marys River at Straits Point
MLLW Categories - Minor 3.0 ft, Moderate 3.5 ft, Major 5.0 ft
MHHW Categories - Minor 1.4 ft, Moderate 1.9 ft, Major 3.4 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
21/05 AM 3.6 2.0 2.0 1.0 Minor
21/05 PM 3.8 2.2 2.0 1.0 Minor
22/06 AM 3.6 2.0 2.1 1.0 Minor
22/06 PM 3.8 2.2 2.0 1.0 Minor
23/07 AM 3.7 2.1 2.2 1.0 Minor
23/07 PM 3.7 2.1 2.0 1.0 Minor
&&
$$
MDZ508-212245-
/O.CON.KLWX.CF.Y.0107.000000T0000Z-240923T0000Z/
Southeast Harford-
1041 AM EDT Sat Sep 21 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...Shoreline in Southeast Harford County.
* WHEN...Until 8 PM EDT Sunday, especially around the time of
high tide.
* IMPACTS...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 Havre de Grace is at 12:56 PM and
1:06 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.
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
-------- --------- --------- --------- ------- --------
21/02 PM 4.1 1.7 2.1 0.5 Minor
22/01 AM 4.6 2.2 1.7 1.0 Minor
22/02 PM 4.0 1.6 2.0 0.5 Minor
23/02 AM 4.6 2.2 1.7 0.5 Minor
23/03 PM 3.6 1.2 1.8 0.5 None
&&
$$
MDZ011-212245-
/O.CON.KLWX.CF.Y.0107.000000T0000Z-240923T0800Z/
Southern Baltimore-
1041 AM EDT Sat Sep 21 2024
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT
MONDAY...
* WHAT...Up to one 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 4 AM EDT Monday, 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 3.8 feet, water covers
yards and approaches homes in the Bowleys Quarters area.
* ADDITIONAL DETAILS...Tides one and a half to two feet above
normal. The next high tide at Fort McHenry Baltimore is at
10:24 PM and 10:14 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 3.4 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
-------- --------- --------- --------- ------- --------
21/10 AM 3.5 1.8 2.0 0.5 Minor
21/10 PM 3.9 2.2 1.8 0.5 Minor
22/10 AM 3.2 1.5 1.8 0.5 None
22/11 PM 4.0 2.3 1.9 0.5 Minor
23/11 AM 3.1 1.4 1.8 0.5 None
24/12 AM 3.9 2.2 1.8 0.5 Minor
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
-------- --------- --------- --------- ------- --------
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
24/01 AM 3.7 2.0 1.7 1.0 Minor
&&
$$
MDZ018-212245-
/O.CON.KLWX.CF.Y.0107.000000T0000Z-240923T0300Z/
Calvert-
1041 AM EDT Sat Sep 21 2024
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT
SUNDAY...
* WHAT...Up to one foot of inundation above ground level in low
lying areas due to tidal flooding.
* WHERE...Shoreline in Calvert County.
* WHEN...Until 11 PM EDT Sunday, especially around the time of
high tide.
* IMPACTS...At 3.0 feet, water is expected to reach backyards
near 9th Street in North Beach, and could approach 9th Street.
At 3.5 feet, yards are flooded near Charles Street and
Williams Street in Solomons. Nearby parking lots and the
streets themselves are covered by more than a half foot of
water.
* ADDITIONAL DETAILS...Tides one and a half to two feet above
normal. The next high tide at Solomons Island is at 5:37 PM and
5:44 AM. The next high tide at Chesapeake Beach is at 7:37 PM
and 7:27 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.
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
-------- --------- --------- --------- ------- --------
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
23/09 PM 3.7 2.3 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
-------- --------- --------- --------- ------- --------
21/05 AM 3.3 1.8 1.6 1.0 Minor
21/06 PM 3.5 2.0 1.6 1.0 Minor
22/05 AM 3.5 2.0 1.9 1.0 Minor
22/06 PM 3.7 2.2 1.9 1.0 Minor
23/06 AM 3.5 2.0 2.0 1.0 Minor
23/07 PM 3.6 2.1 1.9 1.0 Minor
&&
$$