Coastal Flood Warnings/Watches/Statements
Issued by NWS Sterling, VA

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6
000
WHUS41 KLWX 111850
CFWLWX

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Baltimore MD/Washington DC
250 PM EDT Thu Apr 11 2024

VAZ054-120300-
/O.CAN.KLWX.CF.A.0010.240412T1200Z-240412T2000Z/
/O.EXT.KLWX.CF.Y.0044.000000T0000Z-240412T2100Z/
Arlington/Falls Church/Alexandria-
250 PM EDT Thu Apr 11 2024

...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 5 PM EDT FRIDAY...
...COASTAL FLOOD WATCH IS CANCELLED...

* WHAT...Up to one 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 5 PM EDT Friday, especially around the time of
  high tide.

* IMPACTS...Water is expected to approach the curb near the
  intersection of King Street and Strand Street in Alexandria.

* ADDITIONAL DETAILS...Tides two to two and a half feet above
  normal. The next high tide at Alexandria is at 11:39 PM and
  11:48 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.

&&

$$

MDZ011-120300-
/O.CAN.KLWX.CF.A.0010.240412T0800Z-240412T1900Z/
/O.EXT.KLWX.CF.Y.0044.240411T2300Z-240412T1800Z/
Southern Baltimore-
250 PM EDT Thu Apr 11 2024

...COASTAL FLOOD ADVISORY NOW IN EFFECT FROM 7 PM THIS EVENING TO
2 PM EDT FRIDAY...
...COASTAL FLOOD WATCH IS CANCELLED...

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

* WHERE...Shoreline in Southern Baltimore County and the city of
  Baltimore.

* WHEN...From 7 PM this evening to 2 PM EDT Friday, especially
  around the time of high tide.

* IMPACTS...At 4.25 feet, the concrete promenade at Fells Point
  begins to flood. Water also begins to cover the boardwalk at
  the Maritime Park water taxi stop. Thames Street is flooded,
  and much of the promenade in the Inner Harbor is flooded. At
  3.8 feet, water covers yards and approaches homes in the
  Bowleys Quarters area.

* ADDITIONAL DETAILS...Tides up to 3 feet above normal. The next
  high tide at Fort McHenry Baltimore is at 9:41 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.

&&

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
 --------  ---------  ---------  ---------  -------  --------
 11/11 PM     3.8        2.1        2.9       1.0     Minor
 12/09 AM     4.4        2.7        2.7       1.0     Minor
 12/10 PM     2.4        0.7        1.4       1.0      None
 13/11 AM     2.3        0.6        0.6       1.0      None
 13/11 PM     1.3       -0.4        0.3       1.0      None
 14/12 PM     2.1        0.4        0.5       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
 --------  ---------  ---------  ---------  -------  --------
 11/11 PM     3.6        1.9        2.7       2.0     Minor
 12/10 AM     4.2        2.5        2.5       1.0    Moderate
 12/11 PM     2.4        0.7        1.5       1.0      None
 13/11 AM     2.5        0.8        0.9       1.0      None
 14/01 AM     1.5       -0.2        0.6       1.0      None

&&

$$

DCZ001-120300-
/O.UPG.KLWX.CF.A.0010.240412T1200Z-240412T2000Z/
/O.EXB.KLWX.CF.W.0011.240412T1200Z-240412T2100Z/
/O.CON.KLWX.CF.Y.0044.000000T0000Z-240412T1200Z/
District of Columbia-
250 PM EDT Thu Apr 11 2024

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT
FRIDAY...
...COASTAL FLOOD WARNING IN EFFECT FROM 8 AM TO 5 PM EDT FRIDAY...

* 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 the District of Columbia.

* WHEN...For the Coastal Flood Advisory, until 8 AM EDT Friday,
  especially around the time of high tide. For the Coastal Flood
  Warning, from 8 AM to 5 PM EDT Friday, 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 two to two and a half feet above
  normal. The next high tide at Washington Channel is at 11:21 PM
  and 11:30 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.

&&

$$

MDZ508-120300-
/O.UPG.KLWX.CF.A.0010.240412T1300Z-240412T1900Z/
/O.EXB.KLWX.CF.W.0011.240412T1300Z-240412T2200Z/
/O.EXT.KLWX.CF.Y.0044.000000T0000Z-240412T1300Z/
Southeast Harford-
250 PM EDT Thu Apr 11 2024

...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 9 AM EDT FRIDAY...
...COASTAL FLOOD WARNING IN EFFECT FROM 9 AM TO 6 PM EDT FRIDAY...

* 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 Southeast Harford County.

* WHEN...For the Coastal Flood Advisory, until 9 AM EDT Friday,
  especially around the time of high tide. For the Coastal Flood
  Warning, from 9 AM to 6 PM EDT Friday, especially around the
  time of high tide.

* IMPACTS...At 6.0 feet, the marina office at the Havre de Grace
  Yacht Basin is flooded, along with the surrounding area.
  Hutchins Park is flooded, as is the parking lot at Roberts
  Park. The dock at Pier Number 1 is also covered by water.

* ADDITIONAL DETAILS...Tides up to 4 feet above normal. The next
  high tide at Havre de Grace is at 1:05 AM and 1:09 PM.

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.

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
 --------  ---------  ---------  ---------  -------  --------
 12/02 AM     5.4        3.0        3.6       2.0     Minor
 12/01 PM     6.0        3.6        3.1       1.0    Moderate
 13/01 AM     3.9        1.5        2.2       1.0      None
 13/02 PM     3.9        1.5        1.2       1.0      None
 14/02 AM     2.3       -0.1        0.7       1.0      None

&&

$$

MDZ014-120300-
/O.CON.KLWX.CF.W.0011.240411T2000Z-240412T1800Z/
/O.CON.KLWX.CF.Y.0044.000000T0000Z-240411T2000Z/
Anne Arundel-
250 PM EDT Thu Apr 11 2024

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 4 PM EDT THIS
AFTERNOON...
...COASTAL FLOOD WARNING REMAINS IN EFFECT UNTIL 2 PM EDT
FRIDAY...

* 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 4 PM EDT this
  afternoon, especially around the time of high tide. For the
  Coastal Flood Warning, until 2 PM EDT Friday, 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 and a half to three feet above
  normal. The next high tide at Annapolis U.S. Naval Academy is at
  8:07 PM and 9:00 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 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
 --------  ---------  ---------  ---------  -------  --------
 11/09 PM     3.3        1.9        2.4       3.0    Moderate
 12/08 AM     4.0        2.6        2.6       1.0    Moderate
 12/07 PM     2.2        0.8        1.5       0.5      None
 13/09 AM     2.0        0.6        0.6       0.5      None
 13/09 PM     1.1       -0.3        0.3       0.5      None
 14/10 AM     1.8        0.4        0.5       1.0      None

&&

$$

MDZ017-120300-
/O.CON.KLWX.CF.W.0011.000000T0000Z-240412T1400Z/
St. Marys-
250 PM EDT Thu Apr 11 2024

...COASTAL FLOOD WARNING REMAINS IN EFFECT UNTIL 10 AM EDT
FRIDAY...

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

* WHERE...Shoreline in St. Marys County.

* WHEN...Until 10 AM EDT Friday, 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 Piney Point is at 5:27 PM and 5:36
  AM. The next high tide at Coltons Point is at 6:03 PM and 6:12
  AM. The next high tide at Point Lookout is at 4:13 PM and 4:49
  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.

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
 --------  ---------  ---------  ---------  -------  --------
 11/05 PM     3.6        2.0        2.1       3.0    Moderate
 12/05 AM     3.9        2.3        2.2       2.0    Moderate
 12/05 PM     2.9        1.3        1.5       2.0      None
 13/06 AM     2.5        0.9        0.8       2.0      None
 13/07 PM     1.9        0.3        0.5       1.0      None
 14/07 AM     2.2        0.6        0.6       1.0      None

&&

$$

MDZ016-VAZ057-120300-
/O.CON.KLWX.CF.Y.0044.240411T2000Z-240412T1400Z/
Charles-King George-
250 PM EDT Thu Apr 11 2024

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT
FRIDAY...

* WHAT...Up to one 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 10 AM EDT Friday, 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 7:13 PM and 7:22
  AM. The next high tide at Dahlgren is at 5:59 PM and 6:20 AM.
  The next high tide at Indian Head is at 11:07 PM and 11:16 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
 --------  ---------  ---------  ---------  -------  --------
 11/06 PM     3.6        1.7        1.9       2.0     Minor
 12/06 AM     4.0        2.1        2.0       1.0     Minor
 12/06 PM     2.8        0.9        1.2       0.5      None
 13/06 AM     2.5        0.6        0.7       0.5      None
 13/08 PM     1.8       -0.1        0.2       0.5      None
 14/08 AM     2.2        0.3        0.4       0.5      None

&&

$$

MDZ018-120300-
/O.CON.KLWX.CF.Y.0044.240412T0500Z-240412T1400Z/
Calvert-
250 PM EDT Thu Apr 11 2024

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 1 AM TO 10 AM
EDT FRIDAY...

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

* WHERE...Shoreline in Calvert County.

* WHEN...From 1 AM to 10 AM EDT Friday, 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 two to two and a half feet above
  normal. The next high tide at Chesapeake Beach is at 6:54 PM and
  7:30 AM. The next high tide at Solomons Island is at 5:02 PM
  and 5:39 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
 --------  ---------  ---------  ---------  -------  --------
 11/07 PM     2.7        1.3        1.8       2.0      None
 12/06 AM     3.9        2.5        2.5       1.0     Minor
 12/07 PM     2.5        1.1        1.6       0.5      None
 13/07 AM     2.4        1.0        1.0       0.5      None
 13/08 PM     1.2       -0.2        0.3       0.5      None
 14/09 AM     1.8        0.4        0.4       0.5      None

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
 --------  ---------  ---------  ---------  -------  --------
 11/05 PM     2.9        1.4        1.6       2.0      None
 12/05 AM     3.7        2.2        2.1       1.0     Minor
 12/05 PM     2.4        0.9        1.2       1.0      None
 13/06 AM     2.2        0.7        0.7       1.0      None
 13/06 PM     1.5        0.0        0.3       1.0      None
 14/07 AM     1.7        0.2        0.3       1.0      None

&&

$$

MDZ008-120300-
/O.CON.KLWX.CF.Y.0044.240412T0200Z-240412T0800Z/
Cecil-
250 PM EDT Thu Apr 11 2024

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 10 PM THIS
EVENING TO 4 AM EDT FRIDAY...

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

* WHERE...Shoreline in Cecil County.

* WHEN...From 10 PM this evening to 4 AM EDT Friday, especially
  around the time of high tide.

* IMPACTS...At 5.5 feet, minor shoreline flooding begins near
  Chesapeake City. At 4.5 feet, minor shoreline flooding begins
  near Charlestown.

* ADDITIONAL DETAILS...Tides up to 3 feet above normal. The next
  high tide at Port Deposit is at 1:05 AM. The next high tide at
  Chesapeake City is at 1:50 AM and 2:13 PM. The next high tide at
  Charlestown is at 1:33 AM and 2:09 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.

&&

$$


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.