021
WHUS41 KLWX 130116
CFWLWX
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
916 PM EDT SUN JUL 12 2026
MDZ018-130930-
/O.EXB.KLWX.CF.Y.0025.260713T0400Z-260713T1000Z/
CALVERT-
916 PM EDT SUN JUL 12 2026
..COASTAL FLOOD ADVISORY IN EFFECT UNTIL 6 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 CALVERT COUNTY.
* WHEN...UNTIL 6 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.
* ADDITIONAL DETAILS...TIDES ONE TO ONE AND A HALF FEET ABOVE
NORMAL. THE NEXT HIGH TIDE AT CHESAPEAKE BEACH IS AT 3:26 AM.
THE NEXT HIGH TIDE AT SOLOMONS ISLAND IS AT 1:38 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 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
-------- --------- --------- --------- ------- --------
13/04 AM 3.1 1.7 1.2 1.0 MINOR
13/03 PM 2.2 0.8 1.0 0.5 NONE
14/06 AM 2.8 1.4 0.9 0.5 NONE
15/06 AM 2.5 1.1 0.7 0.5 NONE
15/05 PM 1.6 0.2 0.3 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
-------- --------- --------- --------- ------- --------
13/01 AM 2.9 1.4 1.2 1.0 NONE
13/01 PM 2.6 1.1 1.2 1.0 NONE
14/01 AM 2.7 1.2 1.1 1.0 NONE
14/02 PM 2.3 0.8 0.9 1.0 NONE
15/03 AM 2.5 1.0 0.8 1.0 NONE
15/03 PM 2.0 0.5 0.5 1.0 NONE
MDZ016-VAZ057-130900-
/O.EXB.KLWX.CF.Y.0025.260713T0400Z-260713T0900Z/
CHARLES-KING GEORGE-
916 PM EDT SUN JUL 12 2026
..COASTAL FLOOD ADVISORY IN EFFECT UNTIL 5 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 5 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 TO ONE AND A HALF FEET ABOVE
NORMAL. THE NEXT HIGH TIDE AT GOOSE BAY IS AT 3:10 AM. THE NEXT
HIGH TIDE AT DAHLGREN IS AT 2:13 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.
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
-------- --------- --------- --------- ------- --------
13/02 AM 3.6 1.7 1.4 1.0 MINOR
13/02 PM 3.1 1.2 1.3 1.0 NONE
14/03 AM 3.4 1.5 1.1 0.5 NONE
14/04 PM 2.8 0.9 0.9 0.5 NONE
15/04 AM 3.0 1.1 0.7 0.5 NONE
15/04 PM 2.5 0.6 0.6 0.5 NONE
VAZ054-130930-
/O.EXB.KLWX.CF.Y.0025.260713T0900Z-260713T1300Z/
ARLINGTON/FALLS CHURCH/ALEXANDRIA-
916 PM EDT SUN JUL 12 2026
...COASTAL FLOOD ADVISORY IN EFFECT FROM 5 AM TO 9 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 THE CITY OF ALEXANDRIA AND ARLINGTON
COUNTY.
* WHEN...FROM 5 AM TO 9 AM EDT MONDAY, 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 TO ONE AND A HALF FEET ABOVE
NORMAL. THE NEXT HIGH TIDE AT ALEXANDRIA IS AT 7:36 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.
MDZ014-130930-
/O.CON.KLWX.CF.Y.0025.260713T0600Z-260713T1200Z/
ANNE ARUNDEL-
916 PM EDT SUN JUL 12 2026
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 2 AM 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...FROM 2 AM TO 8 AM EDT MONDAY, ESPECIALLY AROUND THE
TIME OF HIGH TIDE.
* IMPACTS...AT 3.0 FEET, COMPROMISE STREET BEGINS TO FLOOD IN
ANNAPOLIS. FLOODING OF MUCH OF THE CITY DOCK PARKING LOT IS
OCCURRING.
* ADDITIONAL DETAILS...TIDES ONE TO ONE AND A HALF FEET ABOVE
NORMAL. THE NEXT HIGH TIDE AT ANNAPOLIS U.S. NAVAL ACADEMY IS AT
5:06 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.
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
-------- --------- --------- --------- ------- --------
13/05 AM 3.1 1.7 1.2 1.0 MINOR
13/04 PM 2.2 0.8 1.1 1.0 NONE
14/05 AM 2.9 1.5 1.1 0.5 MINOR
14/06 PM 2.0 0.6 0.8 1.0 NONE
15/06 AM 2.6 1.2 0.8 0.5 MINOR
15/07 PM 1.6 0.2 0.4 0.5 NONE
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