607
WHUS41 KLWX 240931
CFWLWX
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
531 AM EDT SUN AUG 24 2025
MDZ017-241045-
/O.CAN.KLWX.CF.Y.0033.000000T0000Z-250825T0000Z/
ST. MARYS-
531 AM EDT SUN AUG 24 2025
..COASTAL FLOOD ADVISORY IS CANCELLED
HIGH TIDE HAS PASSED AND TIDES ARE RECEDING.
MDZ011-018-508-241745-
/O.CON.KLWX.CF.Y.0033.000000T0000Z-250825T1000Z/
SOUTHERN BALTIMORE-CALVERT-SOUTHEAST HARFORD-
531 AM EDT SUN AUG 24 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 6 AM EDT
MONDAY...
* WHAT...UP TO ONE HALF 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 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 HAVRE DE GRACE IS AT 11:10 AM AND
11:41 PM. THE NEXT HIGH TIDE AT SOLOMONS ISLAND IS AT 3:50 PM
AND 4:13 AM. THE NEXT HIGH TIDE AT CHESAPEAKE BEACH IS AT 5:24
AM AND 5:41 PM. THE NEXT HIGH TIDE AT FORT MCHENRY BALTIMORE IS
AT 8:11 AM AND 8:28 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
-------- --------- --------- --------- ------- --------
24/08 AM 3.6 1.9 1.7 0.5 MINOR
24/08 PM 2.9 1.2 1.2 0.5 NONE
25/09 AM 2.8 1.1 1.0 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
26/10 PM 2.3 0.6 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
-------- --------- --------- --------- ------- --------
24/08 AM 2.9 1.2 1.0 1.0 NONE
24/09 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
26/10 PM 1.9 0.2 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 2.5 1.1 0.9 0.5 NONE
26/07 AM 2.2 0.8 0.6 0.5 NONE
26/10 PM 2.2 0.8 0.6 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 3.3 1.8 1.6 1.0 MINOR
24/03 PM 2.9 1.4 1.3 1.0 NONE
25/04 AM 2.9 1.4 1.2 1.0 NONE
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
-------- --------- --------- --------- ------- --------
24/11 AM 4.1 1.7 1.6 1.0 MINOR
25/12 AM 3.9 1.5 1.3 0.5 NONE
25/12 PM 3.6 1.2 1.2 1.0 NONE
26/12 AM 3.4 1.0 0.8 0.5 NONE
26/01 PM 3.0 0.6 0.6 1.0 NONE
MDZ016-VAZ057-241745-
/O.CON.KLWX.CF.Y.0033.000000T0000Z-250824T2300Z/
CHARLES-KING GEORGE-
531 AM EDT SUN AUG 24 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 7 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 CHARLES AND KING GEORGE COUNTIES.
* WHEN...UNTIL 7 PM EDT THIS EVENING, 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 TO ONE AND A HALF FEET ABOVE
NORMAL. THE NEXT HIGH TIDE AT INDIAN HEAD IS AT 9:13 AM AND 9:40
PM. THE NEXT HIGH TIDE AT DAHLGREN IS AT 4:41 PM AND 4:58 AM.
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 3.8 1.9 1.6 0.5 MINOR
24/05 PM 3.5 1.6 1.4 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
26/06 PM 2.8 0.9 0.7 0.5 NONE
VAZ054-241745-
/O.CON.KLWX.CF.Y.0033.000000T0000Z-250824T2300Z/
ARLINGTON/FALLS CHURCH/ALEXANDRIA-
531 AM EDT SUN AUG 24 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 7 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 7 PM EDT THIS EVENING, ESPECIALLY AROUND THE TIME
OF HIGH TIDE.
* IMPACTS...FLOODING OF LOTS, PARKS, AND ROADS WITH ONLY
ISOLATED ROAD CLOSURES EXPECTED.
* ADDITIONAL DETAILS...TIDES ONE TO ONE AND A HALF 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.
MDZ014-241745-
/O.CON.KLWX.CF.Y.0033.000000T0000Z-250825T1000Z/
ANNE ARUNDEL-
531 AM EDT SUN AUG 24 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 6 AM EDT
MONDAY...
* 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 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 2.7 1.3 1.2 1.0 MINOR
25/07 AM 2.7 1.3 1.1 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
26/08 PM 2.2 0.8 0.6 0.5 NONE
BELAK
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