064
WHUS41 KLWX 190251
CFWLWX
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1051 PM EDT SAT OCT 18 2025
MDZ014-191100-
/O.CON.KLWX.CF.W.0008.251019T1800Z-251020T0000Z/
/O.CON.KLWX.CF.Y.0058.000000T0000Z-251019T1800Z/
/O.CON.KLWX.CF.Y.0059.251020T0000Z-251020T1200Z/
ANNE ARUNDEL-
1051 PM EDT SAT OCT 18 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT
SUNDAY...
...COASTAL FLOOD WARNING REMAINS IN EFFECT FROM 2 PM TO 8 PM EDT
SUNDAY...
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 8 PM SUNDAY TO
8 AM EDT MONDAY...
* WHAT...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 ADVISORY, UNTIL 2 PM EDT
SUNDAY, ESPECIALLY AROUND THE TIME OF HIGH TIDE. FOR THE COASTAL
FLOOD WARNING, FROM 2 PM TO 8 PM EDT SUNDAY. FOR THE SECOND
COASTAL FLOOD ADVISORY, FROM 8 PM SUNDAY TO 8 AM EDT MONDAY,
ESPECIALLY AROUND THE TIME OF HIGH TIDE.
* IMPACTS...AT 3.5 FEET, WATER REACHES THE FLOOR OF THE MARITIME
MUSEUM IN ANNAPOLIS, BEGINS TO COVER BOWYER ROAD ON THE NAVAL
ACADEMY CAMPUS, AND NUMEROUS BUSINESSES ON DOCK STREET ARE
FLOODED, ALONG WITH THE CITY DOCK PARKING LOT. BAYSIDE BEACH
BEGINS TO FLOOD AROUND HARBOR RD AND LAKE DR.
* ADDITIONAL DETAILS...TIDES TWO TO TWO AND A HALF FEET ABOVE
NORMAL. THE NEXT HIGH TIDES AT ANNAPOLIS U.S. NAVAL ACADEMY ARE
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 3.2 1.8 1.8 1.0 MINOR
19/06 PM 3.5 2.1 2.1 2.0 MODERATE
20/04 PM 2.3 0.9 0.9 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
MDZ011-191100-
/O.EXB.KLWX.CF.Y.0058.251019T0800Z-251020T0400Z/
SOUTHERN BALTIMORE-
1051 PM EDT SAT OCT 18 2025
...COASTAL FLOOD ADVISORY IN EFFECT FROM 4 AM SUNDAY TO MIDNIGHT
EDT SUNDAY NIGHT...
* WHAT...UP TO ONE FOOT OF INUNDATION ABOVE GROUND LEVEL
EXPECTED IN LOW LYING AREAS DUE TO TIDAL FLOODING.
* WHERE...SHORELINE IN SOUTHERN BALTIMORE COUNTY AND THE CITY OF
BALTIMORE.
* WHEN...FROM 4 AM SUNDAY TO MIDNIGHT EDT SUNDAY NIGHT,
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 TIDES AT FORT MCHENRY BALTIMORE ARE 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 3.9 2.2 2.2 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 2.0 0.3 0.6 0.5 NONE
21/07 PM 2.7 1.0 0.9 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 3.5 1.8 1.7 2.0 MINOR
20/06 AM 2.9 1.2 1.5 1.0 NONE
20/08 PM 1.8 0.1 0.0 1.0 NONE
21/08 AM 1.7 0.0 0.3 0.5 NONE
MDZ017-191100-
/O.EXB.KLWX.CF.Y.0058.251019T0300Z-251019T2000Z/
ST. MARYS-
1051 PM EDT SAT OCT 18 2025
..COASTAL FLOOD ADVISORY IN EFFECT UNTIL 4 PM EDT SUNDAY
* WHAT...UP TO ONE HALF FOOT OF INUNDATION ABOVE GROUND LEVEL
EXPECTED IN LOW LYING AREAS DUE TO TIDAL FLOODING.
* WHERE...SHORELINE IN ST. MARYS COUNTY.
* WHEN...UNTIL 4 PM EDT SUNDAY, 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 TIDES AT PINEY POINT ARE 1:26 AM AND 1:50
PM. THE NEXT HIGH TIDES AT POINT LOOKOUT ARE 12:22 AM AND 12:56
PM. THE NEXT HIGH TIDES AT COLTONS POINT ARE 2:02 AM AND 2:26 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
-------- --------- --------- --------- ------- --------
19/01 AM 3.5 1.9 1.9 1.0 MINOR
19/02 PM 3.6 2.0 1.9 2.0 MINOR
20/02 AM 3.4 1.8 1.8 2.0 NONE
20/03 PM 2.2 0.6 0.5 1.0 NONE
21/03 AM 2.1 0.5 0.6 0.5 NONE
21/03 PM 2.5 0.9 0.8 1.0 NONE
VAZ054-191100-
/O.EXB.KLWX.CF.Y.0058.251019T1000Z-251020T0100Z/
ARLINGTON/FALLS CHURCH/ALEXANDRIA-
1051 PM EDT SAT OCT 18 2025
...COASTAL FLOOD ADVISORY IN EFFECT FROM 6 AM TO 9 PM EDT
SUNDAY...
* 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...FROM 6 AM TO 9 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 TIDES AT ALEXANDRIA ARE 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.
MDZ018-191100-
/O.CON.KLWX.CF.Y.0058.000000T0000Z-251020T0900Z/
CALVERT-
1051 PM EDT SAT OCT 18 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 TIDES AT CHESAPEAKE BEACH ARE 3:03 AM AND
3:37 PM. THE NEXT HIGH TIDES AT SOLOMONS ISLAND ARE 1:21 AM AND
1:44 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.
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 3.0 1.6 1.5 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 1.8 0.4 0.2 0.5 NONE
21/05 AM 1.7 0.3 0.3 0.5 NONE
21/06 PM 2.2 0.8 0.5 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 AM 3.2 1.7 1.6 1.0 MINOR
19/01 PM 3.3 1.8 1.7 1.0 MINOR
20/01 AM 3.3 1.8 1.8 1.0 MINOR
20/02 PM 2.5 1.0 0.9 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-VAZ057-191100-
/O.CON.KLWX.CF.Y.0058.251019T0500Z-251020T0800Z/
CHARLES-KING GEORGE-
1051 PM EDT SAT OCT 18 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT
MONDAY...
* WHAT...UP TO ONE HALF FOOT OF INUNDATION ABOVE GROUND LEVEL
EXPECTED 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 TIDES AT GOOSE BAY ARE 3:12 AM AND 3:36
PM. THE NEXT HIGH TIDES AT DAHLGREN ARE 2:06 AM AND 2:28 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.
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 AM 3.7 1.8 1.8 1.0 MINOR
19/02 PM 3.8 1.9 1.8 1.0 MINOR
20/02 AM 3.5 1.6 1.6 1.0 MINOR
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
MDZ508-191100-
/O.CON.KLWX.CF.Y.0058.000000T0000Z-251020T0600Z/
SOUTHEAST HARFORD-
1051 PM EDT SAT OCT 18 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 AND A HALF TO THREE FEET ABOVE
NORMAL. THE NEXT HIGH TIDES AT HAVRE DE GRACE ARE 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
-------- --------- --------- --------- ------- --------
18/10 PM 4.0 1.6 1.5 1.0 MINOR
19/09 AM 4.2 1.8 1.9 1.0 MINOR
19/10 PM 5.1 2.7 2.5 2.0 MINOR
20/10 AM 4.8 2.4 2.5 2.0 MINOR
20/09 PM 3.9 1.5 1.6 1.0 NONE
21/10 AM 3.0 0.6 0.8 1.0 NONE
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