472
WHUS41 KLWX 240143
CFWLWX
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
943 PM EDT SAT AUG 23 2025
MDZ014-240945-
/O.CAN.KLWX.CF.W.0004.000000T0000Z-250824T1400Z/
/O.EXA.KLWX.CF.Y.0033.000000T0000Z-250825T1000Z/
ANNE ARUNDEL-
943 PM EDT SAT AUG 23 2025
..COASTAL FLOOD ADVISORY IN EFFECT UNTIL 6 AM EDT MONDAY
...COASTAL FLOOD WARNING IS CANCELLED...
* WHAT...UP TO A FOOT OF INUNDATION ABOVE GROUND LEVEL IN LOW
LYING AREAS DUE TO TIDAL FLOODING.
* WHERE...SHORELINE IN ANNE ARUNDEL COUNTY.
* WHEN...UNTIL 6 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
6:46 AM AND 7:02 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.
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
-------- --------- --------- --------- ------- --------
24/05 AM 3.2 1.8 1.7 1.0 MINOR
24/07 PM 2.8 1.4 1.3 1.0 MINOR
25/07 AM 2.8 1.4 1.2 0.5 MINOR
25/07 PM 2.4 1.0 0.9 0.5 NONE
26/07 AM 2.1 0.7 0.6 0.5 NONE
MDZ011-018-508-240945-
/O.CON.KLWX.CF.Y.0033.000000T0000Z-250825T1000Z/
SOUTHERN BALTIMORE-CALVERT-SOUTHEAST HARFORD-
943 PM EDT SAT AUG 23 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 6 AM EDT
MONDAY...
* WHAT...UP TO A FOOT OF INUNDATION ABOVE GROUND LEVEL IN LOW
LYING AREAS DUE TO TIDAL FLOODING.
* WHERE...SOUTHERN BALTIMORE, CALVERT AND SOUTHEAST HARFORD
COUNTIES.
* WHEN...UNTIL 6 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 3.0 FEET, WATER BEGINS
ENCROACHING UPON YARDS IN THE BOWLEYS QUARTERS AREA. AT 4.0
FEET, WATER BEGINS TO GO OVER THE BULKHEAD AT THE HAVRE DE
GRACE YACHT BASIN IN MULTIPLE LOCATIONS. 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 FORT MCHENRY BALTIMORE IS AT 8:11
AM AND 8:28 PM. THE NEXT HIGH TIDE AT CHESAPEAKE BEACH IS AT
5:24 AM AND 5:41 PM. THE NEXT HIGH TIDE AT SOLOMONS ISLAND IS AT
3:36 AM AND 3:50 PM. THE NEXT HIGH TIDE AT HAVRE DE GRACE IS AT
11:02 PM AND 11:10 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.
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
-------- --------- --------- --------- ------- --------
24/08 AM 3.5 1.8 1.6 0.5 MINOR
24/08 PM 3.0 1.3 1.3 0.5 NONE
25/08 AM 2.8 1.1 1.1 0.5 NONE
25/09 PM 2.5 0.8 0.7 0.5 NONE
26/08 AM 2.1 0.4 0.5 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
-------- --------- --------- --------- ------- --------
23/09 PM 2.8 1.1 1.2 1.0 NONE
24/08 AM 3.0 1.3 1.1 1.0 MINOR
24/08 PM 2.6 0.9 0.9 1.0 NONE
25/09 AM 2.5 0.8 0.7 0.5 NONE
25/09 PM 2.2 0.5 0.4 1.0 NONE
26/10 AM 1.8 0.1 0.1 0.5 NONE
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
-------- --------- --------- --------- ------- --------
24/06 AM 3.1 1.7 1.4 1.0 MINOR
24/07 PM 2.8 1.4 1.2 1.0 NONE
25/07 AM 2.8 1.4 1.1 0.5 NONE
25/07 PM 2.4 1.0 0.8 0.5 NONE
26/07 AM 2.1 0.7 0.5 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
-------- --------- --------- --------- ------- --------
24/03 AM 3.2 1.7 1.5 1.0 MINOR
24/03 PM 3.1 1.6 1.5 1.0 MINOR
25/04 AM 3.0 1.5 1.3 1.0 MINOR
25/04 PM 2.6 1.1 1.0 1.0 NONE
26/04 AM 2.4 0.9 0.8 1.0 NONE
26/05 PM 2.3 0.8 0.7 1.0 NONE
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
-------- --------- --------- --------- ------- --------
23/11 PM 4.2 1.8 1.6 1.0 MINOR
24/11 AM 4.3 1.9 1.8 1.0 MINOR
24/11 PM 3.9 1.5 1.4 0.5 NONE
25/12 PM 3.7 1.3 1.3 1.0 NONE
26/12 AM 3.4 1.0 0.8 1.0 NONE
26/01 PM 3.0 0.6 0.6 1.0 NONE
MDZ016-VAZ057-240945-
/O.CON.KLWX.CF.Y.0033.000000T0000Z-250824T2300Z/
CHARLES-KING GEORGE-
943 PM EDT SAT AUG 23 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 7 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 CHARLES AND KING GEORGE COUNTIES.
* WHEN...UNTIL 7 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 ONE AND A HALF TO TWO FEET ABOVE
NORMAL. THE NEXT HIGH TIDE AT DAHLGREN IS AT 4:18 AM AND 4:41
PM. THE NEXT HIGH TIDE AT INDIAN HEAD IS AT 9:13 AM AND 9:40 PM.
THE NEXT HIGH TIDE AT GOOSE BAY IS AT 5:19 AM AND 5:46 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
-------- --------- --------- --------- ------- --------
24/04 AM 3.7 1.8 1.5 0.5 MINOR
24/05 PM 3.6 1.7 1.5 1.0 MINOR
25/05 AM 3.4 1.5 1.3 0.5 NONE
25/05 PM 3.2 1.3 1.1 0.5 NONE
26/05 AM 2.9 1.0 0.9 0.5 NONE
26/05 PM 2.7 0.8 0.7 0.5 NONE
VAZ054-240945-
/O.CON.KLWX.CF.Y.0033.000000T0000Z-250824T2300Z/
ARLINGTON/FALLS CHURCH/ALEXANDRIA-
943 PM EDT SAT AUG 23 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 7 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 THE CITY OF ALEXANDRIA AND ARLINGTON
COUNTY.
* WHEN...UNTIL 7 PM EDT SUNDAY, 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 9:45 AM AND 10:12
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.
MDZ017-240945-
/O.CON.KLWX.CF.Y.0033.000000T0000Z-250825T0000Z/
ST. MARYS-
943 PM EDT SAT AUG 23 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT
SUNDAY...
* WHAT...UP TO A 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 3.0 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 4:09 AM AND
4:36 PM. THE NEXT HIGH TIDE AT POINT LOOKOUT IS AT 2:43 AM AND
3:00 PM. THE NEXT HIGH TIDE AT PINEY POINT IS AT 3:33 AM AND
4:00 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.
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
-------- --------- --------- --------- ------- --------
24/03 AM 3.5 1.9 1.9 1.0 MINOR
24/03 PM 3.3 1.7 1.8 1.0 NONE
25/03 AM 3.3 1.7 1.8 1.0 NONE
25/04 PM 3.2 1.6 1.7 1.0 NONE
26/04 AM 2.7 1.1 1.2 0.5 NONE
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