476
WHUS41 KLWX 190807
CFWLWX
URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
407 AM EDT SUN OCT 19 2025
MDZ014-191615-
/O.UPG.KLWX.CF.Y.0058.000000T0000Z-251019T1800Z/
/O.NEW.KLWX.CF.W.0009.251019T0807Z-251019T1000Z/
/O.NEW.KLWX.CF.Y.0060.251019T1000Z-251019T1800Z/
/O.CON.KLWX.CF.W.0008.251019T1800Z-251020T0000Z/
/O.CON.KLWX.CF.Y.0059.251020T0000Z-251020T1200Z/
ANNE ARUNDEL-
407 AM EDT SUN OCT 19 2025
...COASTAL FLOOD WARNING IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...
...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 2 PM EDT THIS
AFTERNOON...
...COASTAL FLOOD WARNING REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 8 PM EDT THIS EVENING...
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 8 PM THIS
EVENING TO 8 AM EDT MONDAY...
* WHAT...FOR THE FIRST COASTAL FLOOD WARNING, UP TO ONE FOOT OF
INUNDATION ABOVE GROUND LEVEL IN LOW LYING AREAS DUE TO TIDAL
FLOODING. FOR THE FIRST COASTAL FLOOD ADVISORY, UP TO ONE FOOT
OF INUNDATION ABOVE GROUND LEVEL EXPECTED IN LOW LYING AREAS
DUE TO TIDAL FLOODING. FOR THE SECOND COASTAL FLOOD WARNING,
UP TO ONE FOOT OF INUNDATION ABOVE GROUND LEVEL EXPECTED IN
LOW LYING AREAS DUE TO TIDAL FLOODING. FOR THE SECOND COASTAL
FLOOD ADVISORY, UP TO ONE FOOT OF INUNDATION ABOVE GROUND
LEVEL EXPECTED IN LOW LYING AREAS DUE TO TIDAL FLOODING.
* WHERE...SHORELINE IN ANNE ARUNDEL COUNTY.
* WHEN...FOR THE FIRST COASTAL FLOOD WARNING, UNTIL 6 AM EDT
EARLY THIS MORNING, ESPECIALLY AROUND THE TIME OF HIGH TIDE.
FOR THE FIRST COASTAL FLOOD ADVISORY, UNTIL 2 PM EDT THIS
AFTERNOON, ESPECIALLY AROUND THE TIME OF HIGH TIDE. FOR THE
SECOND COASTAL FLOOD WARNING, FROM 2 PM THIS AFTERNOON TO 8 PM
EDT THIS EVENING, ESPECIALLY AROUND THE TIME OF HIGH TIDE. FOR
THE SECOND COASTAL FLOOD ADVISORY, FROM 8 PM THIS EVENING TO 8
AM EDT MONDAY, 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
4:25 AM AND 5:02 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.
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
-------- --------- --------- --------- ------- --------
19/04 AM 3.4 2.0 2.0 1.0 MODERATE
19/04 PM 3.4 2.0 1.9 2.0 MODERATE
20/03 AM 3.1 1.7 1.9 1.0 MINOR
20/05 PM 2.2 0.8 0.7 0.5 NONE
21/05 AM 1.9 0.5 0.6 0.5 NONE
21/06 PM 2.4 1.0 0.8 1.0 NONE
MDZ018-191615-
/O.CON.KLWX.CF.Y.0058.000000T0000Z-251020T0900Z/
CALVERT-
407 AM EDT SUN OCT 19 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT
MONDAY...
* WHAT...UP TO ONE HALF FOOT OF INUNDATION ABOVE GROUND LEVEL IN
LOW LYING AREAS DUE TO TIDAL FLOODING.
* WHERE...SHORELINE IN CALVERT COUNTY.
* WHEN...UNTIL 5 AM EDT MONDAY, 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 3.0 FEET, PARKING LOTS NEAR CHARLES STREET IN SOLOMONS
BEGIN TO FLOOD, WITH SEVERAL INCHES OF WATER COVERING LOW-
LYING PORTIONS OF CHARLES STREET AND WILLIAMS STREET.
* ADDITIONAL DETAILS...TIDES ONE AND A HALF TO TWO FEET ABOVE
NORMAL. THE NEXT HIGH TIDE AT SOLOMONS ISLAND IS AT 1:44 PM AND
2:00 AM. THE NEXT HIGH TIDE AT CHESAPEAKE BEACH IS AT 3:37 PM
AND 3:38 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
-------- --------- --------- --------- ------- --------
19/03 AM 3.2 1.8 1.7 1.0 MINOR
19/04 PM 3.1 1.7 1.5 1.0 MINOR
20/02 AM 2.9 1.5 1.6 1.0 NONE
20/04 PM 1.9 0.5 0.3 0.5 NONE
21/05 AM 1.8 0.4 0.4 0.5 NONE
21/06 PM 2.3 0.9 0.6 1.0 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
-------- --------- --------- --------- ------- --------
19/01 PM 3.2 1.7 1.6 1.0 MINOR
20/01 AM 3.2 1.7 1.7 1.0 MINOR
20/02 PM 2.4 0.9 0.8 1.0 NONE
21/02 AM 2.1 0.6 0.6 1.0 NONE
21/03 PM 2.3 0.8 0.7 1.0 NONE
MDZ016-VAZ057-191615-
/O.CON.KLWX.CF.Y.0058.000000T0000Z-251020T0800Z/
CHARLES-KING GEORGE-
407 AM EDT SUN OCT 19 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT
MONDAY...
* WHAT...UP TO ONE HALF FOOT OF INUNDATION ABOVE GROUND LEVEL IN
LOW LYING AREAS DUE TO TIDAL FLOODING.
* WHERE...SHORELINE IN CHARLES AND KING GEORGE COUNTIES.
* WHEN...UNTIL 4 AM EDT MONDAY, 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 AND A HALF TO TWO FEET ABOVE
NORMAL. THE NEXT HIGH TIDE AT DAHLGREN IS AT 2:28 PM AND 2:46
AM. THE NEXT HIGH TIDE AT INDIAN HEAD IS AT 7:06 AM AND 7:30 PM.
THE NEXT HIGH TIDE AT GOOSE BAY IS AT 3:36 PM AND 3:56 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
-------- --------- --------- --------- ------- --------
19/02 PM 3.7 1.8 1.7 1.0 MINOR
20/02 AM 3.4 1.5 1.5 1.0 NONE
20/03 PM 2.6 0.7 0.5 0.5 NONE
21/03 AM 2.5 0.6 0.6 0.5 NONE
21/04 PM 2.8 0.9 0.7 1.0 NONE
MDZ508-191615-
/O.CON.KLWX.CF.Y.0058.000000T0000Z-251020T0600Z/
SOUTHEAST HARFORD-
407 AM EDT SUN OCT 19 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT
MONDAY...
* WHAT...ONE TO TWO FEET OF INUNDATION ABOVE GROUND LEVEL IN LOW
LYING AREAS DUE TO TIDAL FLOODING.
* WHERE...SHORELINE IN SOUTHEAST HARFORD COUNTY.
* WHEN...UNTIL 2 AM EDT MONDAY, 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 9:12 AM AND
9:32 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
-------- --------- --------- --------- ------- --------
19/09 AM 4.1 1.7 1.8 1.0 MINOR
19/10 PM 5.0 2.6 2.4 2.0 MINOR
20/10 AM 4.4 2.0 2.1 2.0 MINOR
20/10 PM 3.6 1.2 1.0 1.0 NONE
21/11 AM 3.0 0.6 0.8 1.0 NONE
21/10 PM 3.6 1.2 1.1 1.0 NONE
MDZ011-191615-
/O.CON.KLWX.CF.Y.0058.000000T0000Z-251020T0400Z/
SOUTHERN BALTIMORE-
407 AM EDT SUN OCT 19 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...
* 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 MIDNIGHT EDT TONIGHT, 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.
* ADDITIONAL DETAILS...TIDES TWO TO TWO AND A HALF FEET ABOVE
NORMAL. THE NEXT HIGH TIDE AT FORT MCHENRY BALTIMORE IS AT 5:50
AM AND 6:24 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
-------- --------- --------- --------- ------- --------
19/06 AM 3.5 1.8 2.0 0.5 MINOR
19/06 PM 3.7 2.0 2.0 1.0 MINOR
20/05 AM 3.0 1.3 1.7 1.0 NONE
20/07 PM 2.3 0.6 0.5 1.0 NONE
21/07 AM 1.9 0.2 0.5 0.5 NONE
21/07 PM 2.6 0.9 0.8 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
-------- --------- --------- --------- ------- --------
19/07 AM 3.1 1.4 1.6 1.0 MINOR
19/07 PM 3.6 1.9 1.8 2.0 MINOR
20/06 AM 2.8 1.1 1.4 1.0 NONE
20/07 PM 1.9 0.2 0.1 1.0 NONE
21/08 AM 1.8 0.1 0.4 0.5 NONE
21/09 PM 2.5 0.8 0.7 1.0 NONE
MDZ017-191615-
/O.CON.KLWX.CF.Y.0058.000000T0000Z-251019T2000Z/
ST. MARYS-
407 AM EDT SUN OCT 19 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 4 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 ST. MARYS COUNTY.
* WHEN...UNTIL 4 PM EDT THIS AFTERNOON, 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 ONE AND A HALF TO TWO FEET ABOVE
NORMAL. THE NEXT HIGH TIDE AT POINT LOOKOUT IS AT 12:56 PM AND
12:57 AM. THE NEXT HIGH TIDE AT COLTONS POINT IS AT 2:26 PM AND
2:46 AM. THE NEXT HIGH TIDE AT PINEY POINT IS AT 1:50 PM AND
2:10 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
-------- --------- --------- --------- ------- --------
19/02 PM 3.5 1.9 1.8 2.0 MINOR
20/02 AM 3.3 1.7 1.7 2.0 NONE
20/03 PM 2.3 0.7 0.6 1.0 NONE
21/03 AM 2.2 0.6 0.7 0.5 NONE
21/03 PM 2.6 1.0 0.9 1.0 NONE
VAZ054-191615-
/O.CON.KLWX.CF.Y.0058.251019T1000Z-251020T0100Z/
ARLINGTON/FALLS CHURCH/ALEXANDRIA-
407 AM EDT SUN OCT 19 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 9 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 CITY OF ALEXANDRIA AND ARLINGTON
COUNTY.
* WHEN...UNTIL 9 PM EDT THIS EVENING, 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 ONE AND A HALF TO TWO FEET ABOVE
NORMAL. THE NEXT HIGH TIDE AT ALEXANDRIA IS AT 7:38 AM AND 8:02
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.
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