840
WHUS41 KLWX 310506
CFWLWX
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
106 AM EDT FRI OCT 31 2025
MDZ017-310615-
/O.CAN.KLWX.CF.W.0011.000000T0000Z-251031T0600Z/
ST. MARYS-
106 AM EDT FRI OCT 31 2025
...COASTAL FLOOD WARNING IS CANCELLED...
WATER LEVELS HAVE RECEDED.
MDZ018-310615-
/O.CAN.KLWX.CF.Y.0064.000000T0000Z-251031T0600Z/
CALVERT-
106 AM EDT FRI OCT 31 2025
..COASTAL FLOOD ADVISORY IS CANCELLED
WATER LEVELS HAVE RECEDED.
MDZ016-VAZ057-310615-
/O.CAN.KLWX.CF.Y.0063.000000T0000Z-251031T0600Z/
CHARLES-KING GEORGE-
106 AM EDT FRI OCT 31 2025
..COASTAL FLOOD ADVISORY IS CANCELLED
WATER LEVELS HAVE RECEDED.
MDZ014-311200-
/O.CON.KLWX.CF.W.0010.000000T0000Z-251031T1200Z/
ANNE ARUNDEL-
106 AM EDT FRI OCT 31 2025
...COASTAL FLOOD WARNING REMAINS IN EFFECT UNTIL 8 AM EDT THIS
MORNING...
* 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 THIS MORNING, 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
1:01 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 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
-------- --------- --------- --------- ------- --------
31/12 AM 3.5 2.1 2.1 0.5 MODERATE
31/12 PM 2.3 0.9 1.2 0.5 NONE
01/02 AM 2.2 0.8 0.8 0.5 NONE
01/02 PM 1.6 0.2 0.4 0.5 NONE
02/01 AM 1.5 0.1 0.2 0.5 NONE
02/02 PM 1.5 0.1 0.2 0.5 NONE
VAZ054-311000-
/O.CON.KLWX.CF.Y.0063.000000T0000Z-251031T1000Z/
ARLINGTON/FALLS CHURCH/ALEXANDRIA-
106 AM EDT FRI OCT 31 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 6 AM EDT EARLY
THIS MORNING...
* 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 6 AM EDT EARLY THIS MORNING, 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 3:50 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.
MDZ011-310900-
/O.CON.KLWX.CF.Y.0064.000000T0000Z-251031T0900Z/
SOUTHERN BALTIMORE-
106 AM EDT FRI OCT 31 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT EARLY
THIS MORNING...
* 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 5 AM EDT EARLY THIS MORNING, ESPECIALLY AROUND
THE TIME OF HIGH TIDE.
* IMPACTS...AT 3.0 FEET, FLOODING IS OCCURRING AT THE END OF
THAMES STREET IN BALTIMORE. WATER ALSO NEARLY COVERS THE
PROMENADE AT THE DRAGON BOAT DOCK IN THE INNER HARBOR. 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. THE NEXT HIGH TIDE AT FORT MCHENRY BALTIMORE IS AT 2:18
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
-------- --------- --------- --------- ------- --------
31/01 AM 3.4 1.7 1.9 1.0 MINOR
31/02 PM 2.2 0.5 1.1 1.0 NONE
01/03 AM 2.3 0.6 0.8 1.0 NONE
01/03 PM 1.7 0.0 0.4 0.5 NONE
02/03 AM 1.7 0.0 0.2 0.5 NONE
02/03 PM 1.7 0.0 0.2 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
-------- --------- --------- --------- ------- --------
31/02 AM 3.5 1.8 1.9 1.0 MINOR
31/01 PM 2.1 0.4 1.1 1.0 NONE
01/03 AM 2.0 0.3 0.4 1.0 NONE
01/03 PM 1.3 -0.4 0.0 1.0 NONE
02/03 AM 1.3 -0.4 -0.2 0.5 NONE
02/04 PM 1.4 -0.3 -0.2 0.5 NONE
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