412
WHUS41 KLWX 301906
CFWLWX
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
306 PM EDT THU OCT 30 2025
VAZ054-310300-
/O.CAN.KLWX.CF.W.0010.000000T0000Z-251030T2200Z/
/O.EXT.KLWX.CF.Y.0063.251030T1906Z-251031T1000Z/
ARLINGTON/FALLS CHURCH/ALEXANDRIA-
306 PM EDT THU OCT 30 2025
..COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 6 AM EDT FRIDAY
...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 THE CITY OF ALEXANDRIA AND ARLINGTON
COUNTY.
* WHEN...UNTIL 6 AM EDT FRIDAY, 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 AND A HALF TO THREE FEET ABOVE
NORMAL. THE NEXT HIGH TIDE AT ALEXANDRIA IS AT 3:27 PM AND 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.
DCZ001-302015-
/O.CAN.KLWX.CF.W.0010.000000T0000Z-251030T2000Z/
DISTRICT OF COLUMBIA-
306 PM EDT THU OCT 30 2025
..COASTAL FLOOD WARNING IS CANCELLED
WATER LEVELS HAVE DECREASED THIS AFTERNOON.
MDZ011-310300-
/O.EXP.KLWX.CF.W.0010.000000T0000Z-251030T1900Z/
/O.CON.KLWX.CF.Y.0064.000000T0000Z-251031T0900Z/
SOUTHERN BALTIMORE-
306 PM EDT THU OCT 30 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT
FRIDAY...
..COASTAL FLOOD WARNING HAS EXPIRED
* WHAT...ONE TO TWO FEET 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 FRIDAY, 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 3.8 FEET, WATER COVERS
YARDS AND APPROACHES HOMES IN THE BOWLEYS QUARTERS AREA.
* ADDITIONAL DETAILS...TIDES UP TO 3 FEET ABOVE NORMAL. THE NEXT
HIGH TIDE AT FORT MCHENRY BALTIMORE IS AT 2:18 AM AND 2:51 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
-------- --------- --------- --------- ------- --------
30/02 PM 4.4 2.7 3.3 1.0 MINOR
31/01 AM 3.5 1.8 2.0 1.0 MINOR
31/03 PM 2.2 0.5 1.0 1.0 NONE
01/03 AM 2.3 0.6 0.8 1.0 NONE
01/03 PM 1.6 -0.1 0.3 0.5 NONE
02/03 AM 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
-------- --------- --------- --------- ------- --------
30/02 PM 4.2 2.5 3.1 1.0 MODERATE
31/01 AM 3.6 1.9 2.1 1.0 MINOR
31/02 PM 2.3 0.6 1.2 1.0 NONE
01/03 AM 2.2 0.5 0.6 1.0 NONE
01/03 PM 1.5 -0.2 0.2 1.0 NONE
02/04 AM 1.5 -0.2 0.0 0.5 NONE
VAZ053-527-302015-
/O.CAN.KLWX.CF.Y.0062.000000T0000Z-251030T2100Z/
FAIRFAX-
CENTRAL AND SOUTHEAST PRINCE WILLIAM/MANASSAS/MANASSAS PARK-
306 PM EDT THU OCT 30 2025
..COASTAL FLOOD ADVISORY IS CANCELLED
WATER LEVELS HAVE DECREASED THIS AFTERNOON.
MDZ014-310300-
/O.CON.KLWX.CF.W.0010.000000T0000Z-251031T1200Z/
ANNE ARUNDEL-
306 PM EDT THU OCT 30 2025
...COASTAL FLOOD WARNING REMAINS IN EFFECT UNTIL 8 AM EDT
FRIDAY...
* WHAT...ONE TO TWO FEET OF INUNDATION ABOVE GROUND LEVEL IN LOW
LYING AREAS DUE TO TIDAL FLOODING.
* WHERE...SHORELINE IN ANNE ARUNDEL COUNTY.
* WHEN...UNTIL 8 AM EDT FRIDAY, 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 UP TO 3 FEET ABOVE NORMAL. THE NEXT
HIGH TIDE AT ANNAPOLIS U.S. NAVAL ACADEMY IS AT 1:01 AM AND 1:17
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
-------- --------- --------- --------- ------- --------
30/11 PM 3.5 2.1 2.3 0.5 MODERATE
31/12 PM 2.4 1.0 1.3 0.5 NONE
01/12 AM 2.1 0.7 0.9 0.5 NONE
01/02 PM 1.6 0.2 0.4 0.5 NONE
02/01 AM 1.6 0.2 0.3 0.5 NONE
MDZ016-VAZ057-310300-
/O.CON.KLWX.CF.Y.0063.000000T0000Z-251031T0600Z/
CHARLES-KING GEORGE-
306 PM EDT THU OCT 30 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT
FRIDAY...
* WHAT...UP TO ONE FOOT OF INUNDATION ABOVE GROUND LEVEL IN LOW
LYING AREAS DUE TO TIDAL FLOODING.
* WHERE...SHORELINE IN CHARLES AND KING GEORGE COUNTIES.
* WHEN...UNTIL 2 AM EDT FRIDAY, 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 TWO AND A HALF TO THREE FEET ABOVE
NORMAL. THE NEXT HIGH TIDE AT GOOSE BAY IS AT 11:24 PM AND 12:04
PM. THE NEXT HIGH TIDE AT DAHLGREN IS AT 10:06 PM AND 10:42 AM.
THE NEXT HIGH TIDE AT INDIAN HEAD IS AT 3:18 AM AND 3:58 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
-------- --------- --------- --------- ------- --------
30/10 PM 4.2 2.3 2.4 0.5 MINOR
31/10 AM 2.8 0.9 1.2 0.5 NONE
31/10 PM 2.4 0.5 0.7 0.5 NONE
01/12 PM 2.3 0.4 0.5 0.5 NONE
02/12 AM 2.2 0.3 0.4 0.5 NONE
02/11 AM 2.3 0.4 0.4 0.5 NONE
MDZ018-310300-
/O.CON.KLWX.CF.Y.0064.000000T0000Z-251031T0600Z/
CALVERT-
306 PM EDT THU OCT 30 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT
FRIDAY...
* WHAT...UP TO ONE FOOT OF INUNDATION ABOVE GROUND LEVEL IN LOW
LYING AREAS DUE TO TIDAL FLOODING.
* WHERE...SHORELINE IN CALVERT COUNTY.
* WHEN...UNTIL 2 AM EDT FRIDAY, 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 3.5 FEET, YARDS ARE FLOODED NEAR CHARLES STREET AND
WILLIAMS STREET IN SOLOMONS. NEARBY PARKING LOTS AND THE
STREETS THEMSELVES ARE COVERED BY MORE THAN A HALF FOOT OF
WATER.
* ADDITIONAL DETAILS...TIDES TWO AND A HALF TO THREE FEET ABOVE
NORMAL. THE NEXT HIGH TIDE AT SOLOMONS ISLAND IS AT 9:46 PM AND
10:07 AM. THE NEXT HIGH TIDE AT CHESAPEAKE BEACH IS AT 11:31 PM
AND 12:04 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
-------- --------- --------- --------- ------- --------
30/11 PM 3.6 2.2 2.2 0.5 MINOR
31/11 PM 1.8 0.4 0.5 0.5 NONE
01/03 PM 1.4 0.0 0.0 0.5 NONE
02/01 AM 1.2 -0.2 -0.2 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
-------- --------- --------- --------- ------- --------
30/08 PM 3.8 2.3 2.5 1.0 MINOR
31/10 AM 2.7 1.2 1.3 1.0 NONE
31/10 PM 2.2 0.7 0.8 1.0 NONE
01/11 AM 1.9 0.4 0.5 1.0 NONE
01/11 PM 1.7 0.2 0.2 1.0 NONE
02/10 AM 1.8 0.3 0.3 1.0 NONE
MDZ017-310300-
/O.CON.KLWX.CF.Y.0064.000000T0000Z-251031T0500Z/
ST. MARYS-
306 PM EDT THU OCT 30 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 1 AM EDT
FRIDAY...
* 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 1 AM EDT FRIDAY, 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 AND A HALF TO THREE FEET ABOVE
NORMAL. THE NEXT HIGH TIDE AT COLTONS POINT IS AT 10:14 PM AND
10:54 AM. THE NEXT HIGH TIDE AT POINT LOOKOUT IS AT 8:50 PM AND
9:23 AM. THE NEXT HIGH TIDE AT PINEY POINT IS AT 9:38 PM AND
10:18 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.
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
-------- --------- --------- --------- ------- --------
30/08 PM 3.7 2.1 2.4 1.0 MINOR
31/08 AM 2.9 1.3 1.7 2.0 NONE
31/10 PM 2.3 0.7 0.9 1.0 NONE
01/10 AM 1.9 0.3 0.5 1.0 NONE
01/11 PM 1.6 -0.0 0.2 0.5 NONE
02/11 AM 1.7 0.1 0.1 0.5 NONE
MDZ508-310300-
/O.CON.KLWX.CF.Y.0062.000000T0000Z-251031T0400Z/
SOUTHEAST HARFORD-
306 PM EDT THU OCT 30 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...
* 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 MIDNIGHT EDT TONIGHT, 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 UP TO 3 FEET ABOVE NORMAL. THE NEXT
HIGH TIDE AT HAVRE DE GRACE IS AT 5:29 PM AND 5:17 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 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
-------- --------- --------- --------- ------- --------
30/04 PM 5.4 3.0 3.5 1.0 MINOR
31/05 AM 4.5 2.1 2.3 2.0 MINOR
31/05 PM 3.8 1.4 1.8 2.0 NONE
01/06 AM 3.3 0.9 1.1 1.0 NONE
01/07 PM 2.8 0.4 0.5 1.0 NONE
02/06 AM 2.4 -0.0 0.2 1.0 NONE
MDZ008-310100-
/O.CON.KLWX.CF.Y.0062.000000T0000Z-251031T0100Z/
CECIL-
306 PM EDT THU OCT 30 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 9 PM EDT THIS
EVENING...
* WHAT...UP TO ONE FOOT OF INUNDATION ABOVE GROUND LEVEL IN LOW
LYING AREAS DUE TO TIDAL FLOODING.
* WHERE...SHORELINE IN CECIL COUNTY.
* WHEN...UNTIL 9 PM EDT THIS EVENING, ESPECIALLY AROUND THE TIME
OF HIGH TIDE.
* IMPACTS...AT 6.1 FEET, FLOODING BEGINS ALONG BACK CREEK IN
CHESAPEAKE CITY, ELK RIVER NEAR COURTHOUSE POINT, HOLLYWOOD
BEACH AND PORT HERMAN, AND ALONG BOHEMIA RIVER NEAR TOWN
POINT. AT 4.5 FEET, MINOR SHORELINE FLOODING BEGINS NEAR
CHARLESTOWN.
* ADDITIONAL DETAILS...TIDES UP TO 4 FEET ABOVE NORMAL. THE NEXT
HIGH TIDE AT CHESAPEAKE CITY IS AT 5:49 PM AND 6:10 AM. THE NEXT
HIGH TIDE AT PORT DEPOSIT IS AT 5:14 PM AND 5:42 AM. THE NEXT
HIGH TIDE AT CHARLESTOWN IS AT 5:42 PM AND 6:10 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.
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