625
WHUS41 KLWX 181050
CFWLWX
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
650 AM EDT THU JUN 18 2026
MDZ014-181700-
/O.CON.KLWX.CF.Y.0018.000000T0000Z-260618T1700Z/
ANNE ARUNDEL-
650 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...ONGOING THROUGH 1 PM EDT THIS AFTERNOON.
* 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. THE NEXT HIGH TIDE AT ANNAPOLIS U.S. NAVAL ACADEMY IS AT
8:43 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
-------- --------- --------- --------- ------- --------
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
MDZ508-181900-
/O.CON.KLWX.CF.Y.0018.260618T1400Z-260618T2000Z/
SOUTHEAST HARFORD-
650 AM EDT THU JUN 18 2026
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 10 AM THIS
MORNING TO 4 PM EDT THIS AFTERNOON...
* WHAT...UP TO ONE HALF FOOT OF INUNDATION ABOVE GROUND LEVEL
EXPECTED IN LOW LYING AREAS DUE TO TIDAL FLOODING.
* WHERE...SHORELINE IN SOUTHEAST HARFORD COUNTY.
* WHEN...FROM 10 AM THIS MORNING TO 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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