079
WHUS41 KLWX 181439
CFWLWX
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1039 AM EDT THU JUN 18 2026
VAZ054-181600-
/O.EXB.KLWX.CF.Y.0018.000000T0000Z-260618T1600Z/
ARLINGTON/FALLS CHURCH/ALEXANDRIA-
1039 AM EDT THU JUN 18 2026
..COASTAL FLOOD ADVISORY IN EFFECT UNTIL NOON EDT TODAY
* WHAT...UP TO ONE 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...UNTIL NOON EDT TODAY, ESPECIALLY AROUND THE TIME OF
HIGH TIDE.
* IMPACTS...FLOODING OF LOTS, PARKS, AND ROADS WITH ONLY
ISOLATED ROAD CLOSURES EXPECTED.
* ADDITIONAL DETAILS...TIDES BETWEEN ONE HALF FOOT AND ONE FOOT
ABOVE NORMAL. THE NEXT HIGH TIDE AT ALEXANDRIA IS AT 11:30 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.
MDZ014-181700-
/O.CON.KLWX.CF.Y.0018.000000T0000Z-260618T1700Z/
ANNE ARUNDEL-
1039 AM EDT THU JUN 18 2026
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 1 PM EDT THIS
AFTERNOON...
* WHAT...UP TO ONE HALF FOOT OF INUNDATION ABOVE GROUND LEVEL IN
LOW LYING AREAS DUE TO TIDAL FLOODING.
* WHERE...SHORELINE IN ANNE ARUNDEL COUNTY.
* WHEN...UNTIL 1 PM EDT THIS AFTERNOON, ESPECIALLY AROUND THE
TIME OF HIGH TIDE.
* IMPACTS...AT 2.8 FEET, FLOODING OF SOME OF THE PARKING AREA
NEAR DOCK STREET IN ANNAPOLIS MAY OCCUR, WITH WATER
SURROUNDING THE ALEX HALEY MEMORIAL.
* ADDITIONAL DETAILS...TIDES ONE TO ONE AND A HALF FEET ABOVE
NORMAL.
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
-------- --------- --------- --------- ------- --------
18/09 AM 2.9 1.5 1.2 1.0 MINOR
18/08 PM 2.2 0.8 1.0 0.5 NONE
19/09 AM 2.2 0.8 0.6 0.5 NONE
19/10 PM 1.7 0.3 0.4 0.5 NONE
20/10 AM 1.9 0.5 0.4 0.5 NONE
20/11 PM 1.8 0.4 0.4 0.5 NONE
MDZ508-182000-
/O.CON.KLWX.CF.Y.0018.000000T0000Z-260618T2000Z/
SOUTHEAST HARFORD-
1039 AM EDT THU JUN 18 2026
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 4 PM EDT THIS
AFTERNOON...
* WHAT...UP TO ONE HALF FOOT OF INUNDATION ABOVE GROUND LEVEL IN
LOW LYING AREAS DUE TO TIDAL FLOODING.
* WHERE...SHORELINE IN SOUTHEAST HARFORD COUNTY.
* WHEN...UNTIL 4 PM EDT THIS AFTERNOON, ESPECIALLY AROUND THE
TIME OF HIGH TIDE.
* IMPACTS...AT 4.0 FEET, WATER BEGINS TO GO OVER THE BULKHEAD AT
THE HAVRE DE GRACE YACHT BASIN IN MULTIPLE LOCATIONS.
* ADDITIONAL DETAILS...TIDES ONE AND A HALF TO TWO FEET ABOVE
NORMAL. THE NEXT HIGH TIDE AT HAVRE DE GRACE IS AT 12:51 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.
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
-------- --------- --------- --------- ------- --------
18/01 PM 4.3 1.9 1.5 3.0 MINOR
19/01 AM 3.1 0.7 1.2 1.0 NONE
19/02 PM 3.2 0.8 0.6 1.0 NONE
20/03 AM 2.4 -0.0 0.3 1.0 NONE
20/03 PM 2.8 0.4 0.4 1.0 NONE
21/04 AM 2.6 0.2 0.3 1.0 NONE
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