756
WHUS41 KLWX 192316
CFWLWX
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
716 PM EDT SUN OCT 19 2025
MDZ014-200730-
/O.CAN.KLWX.CF.W.0008.000000T0000Z-251020T0000Z/
/O.EXT.KLWX.CF.Y.0059.251019T2316Z-251020T1200Z/
ANNE ARUNDEL-
716 PM EDT SUN OCT 19 2025
..COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 8 AM EDT MONDAY
...COASTAL FLOOD WARNING IS CANCELLED...
* 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 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
4:59 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
-------- --------- --------- --------- ------- --------
19/05 PM 3.4 2.0 1.9 2.0 MODERATE
20/04 AM 3.2 1.8 1.9 1.0 MINOR
20/06 PM 2.5 1.1 1.0 0.5 NONE
21/06 AM 2.1 0.7 0.8 0.5 NONE
21/06 PM 2.6 1.2 1.0 1.0 MINOR
22/06 AM 2.2 0.8 1.0 0.5 NONE
DCZ001-200200-
/O.EXB.KLWX.CF.Y.0058.000000T0000Z-251020T0200Z/
DISTRICT OF COLUMBIA-
716 PM EDT SUN OCT 19 2025
...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 10 PM EDT THIS
EVENING...
* WHAT...UP TO ONE HALF FOOT OF INUNDATION ABOVE GROUND LEVEL IN
LOW LYING AREAS DUE TO TIDAL FLOODING.
* WHERE...SHORELINE IN THE DISTRICT OF COLUMBIA.
* WHEN...UNTIL 10 PM EDT THIS EVENING, ESPECIALLY AROUND THE
TIME OF HIGH TIDE.
* IMPACTS...LOW LYING AREAS NEAR FLETCHERS BOATHOUSE BEGIN TO
FLOOD. PORTIONS OF ROOSEVELT ISLAND ARE FLOODED.
* ADDITIONAL DETAILS...TIDES ONE TO ONE AND A HALF FEET ABOVE
NORMAL. THE NEXT HIGH TIDE AT WASHINGTON CHANNEL IS AT 7:44 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.
VAZ054-200200-
/O.EXT.KLWX.CF.Y.0058.000000T0000Z-251020T0200Z/
ARLINGTON/FALLS CHURCH/ALEXANDRIA-
716 PM EDT SUN OCT 19 2025
...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 10 PM EDT THIS
EVENING...
* 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 10 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 TO ONE AND A HALF FEET ABOVE
NORMAL. THE NEXT HIGH TIDE AT ALEXANDRIA IS AT 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.
MDZ018-200730-
/O.CON.KLWX.CF.Y.0058.000000T0000Z-251020T0900Z/
CALVERT-
716 PM 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, 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 2:00 AM. THE
NEXT HIGH TIDE AT CHESAPEAKE BEACH IS AT 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
-------- --------- --------- --------- ------- --------
19/04 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 2.0 0.6 0.4 0.5 NONE
21/05 AM 1.9 0.5 0.5 0.5 NONE
21/06 PM 2.4 1.0 0.7 1.0 NONE
22/06 AM 2.2 0.8 0.8 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
-------- --------- --------- --------- ------- --------
19/02 PM 3.2 1.7 1.6 1.0 MINOR
20/12 AM 3.0 1.5 1.7 1.0 MINOR
20/01 PM 2.5 1.0 1.0 1.0 NONE
21/02 AM 2.2 0.7 0.7 1.0 NONE
21/02 PM 2.4 0.9 0.8 1.0 NONE
22/03 AM 2.4 0.9 0.9 1.0 NONE
MDZ016-VAZ057-200730-
/O.CON.KLWX.CF.Y.0058.000000T0000Z-251020T0800Z/
CHARLES-KING GEORGE-
716 PM 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 2:46 AM. THE NEXT
HIGH TIDE AT GOOSE BAY IS AT 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
20/03 AM 3.6 1.7 1.7 0.5 MINOR
20/03 PM 3.2 1.3 1.1 0.5 NONE
21/03 AM 2.9 1.0 1.0 0.5 NONE
21/03 PM 3.0 1.1 1.0 1.0 NONE
22/03 AM 2.9 1.0 1.1 0.5 NONE
MDZ508-200730-
/O.CON.KLWX.CF.Y.0058.000000T0000Z-251020T0900Z/
SOUTHEAST HARFORD-
716 PM EDT SUN OCT 19 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 5 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 5 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 AND A HALF TO THREE FEET ABOVE
NORMAL. THE NEXT HIGH TIDE AT HAVRE DE GRACE IS AT 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
-------- --------- --------- --------- ------- --------
19/10 PM 5.1 2.7 2.5 2.0 MINOR
20/09 AM 4.6 2.2 2.5 2.0 MINOR
20/10 PM 3.9 1.5 1.3 1.0 NONE
21/10 AM 3.2 0.8 1.0 1.0 NONE
21/10 PM 3.9 1.5 1.4 1.0 NONE
22/11 AM 3.3 0.9 1.1 1.0 NONE
MDZ011-200400-
/O.CON.KLWX.CF.Y.0058.000000T0000Z-251020T0400Z/
SOUTHERN BALTIMORE-
716 PM 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 ONE AND A HALF TO TWO FEET ABOVE
NORMAL.
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
-------- --------- --------- --------- ------- --------
19/05 PM 3.6 1.9 2.1 1.0 MINOR
20/05 AM 3.2 1.5 1.9 1.0 NONE
20/07 PM 2.5 0.8 0.7 1.0 NONE
21/07 AM 2.2 0.5 0.8 0.5 NONE
21/07 PM 2.8 1.1 1.0 0.5 NONE
22/07 AM 2.3 0.6 1.0 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 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 2.0 0.3 0.2 1.0 NONE
21/07 AM 1.8 0.1 0.4 0.5 NONE
21/09 PM 2.6 0.9 0.8 1.0 NONE
22/08 AM 2.0 0.3 0.7 1.0 NONE
MDZ017-200700-
/O.CON.KLWX.CF.Y.0058.000000T0000Z-251020T0700Z/
ST. MARYS-
716 PM EDT SUN OCT 19 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 3 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 ST. MARYS COUNTY.
* WHEN...UNTIL 3 AM EDT MONDAY, 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 2:10 AM. THE
NEXT HIGH TIDE AT COLTONS POINT IS AT 2:46 AM. THE NEXT HIGH
TIDE AT POINT LOOKOUT IS AT 12:57 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 3.4 1.8 1.7 2.0 NONE
20/01 AM 3.6 2.0 2.1 2.0 MINOR
20/01 PM 3.1 1.5 1.7 1.0 NONE
21/02 AM 2.8 1.2 1.4 0.5 NONE
21/03 PM 3.2 1.6 1.5 1.0 NONE
22/03 AM 3.1 1.5 1.7 1.0 NONE
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