938  
WHUS41 KLWX 260846  
CFWLWX  
 
COASTAL HAZARD MESSAGE  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
446 AM EDT FRI APR 26 2024  
 
MDZ017-261100-  
/O.CON.KLWX.CF.Y.0050.000000T0000Z-240426T1100Z/  
ST. MARYS-  
446 AM EDT FRI APR 26 2024  
 
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 7 AM EDT THIS  
MORNING...  
 
* 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 7 AM EDT THIS MORNING, ESPECIALLY AROUND THE TIME  
OF HIGH TIDE.  
 
* IMPACTS...AT 3.0 FEET, YARDS ARE FLOODED ON SAINT GEORGE  
ISLAND, AND WATER WILL BEGIN COVERING THE ROAD LEADING TO THE  
ISLAND, ESPECIALLY IF THERE IS WAVE ACTION.  
 
* ADDITIONAL DETAILS...TIDES ONE AND A HALF TO TWO 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.  
 
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  
-------- --------- --------- --------- ------- --------  
26/04 AM 3.2 1.6 1.5 1.0 MINOR  
26/05 PM 2.9 1.3 1.5 1.0 NONE  
27/05 AM 3.2 1.6 1.5 1.0 MINOR  
27/05 PM 2.7 1.1 1.3 1.0 NONE  
28/06 AM 2.9 1.3 1.2 1.0 NONE  
28/06 PM 2.5 0.9 1.1 1.0 NONE  
 

 
 

 
 
MDZ014-261600-  
/O.CON.KLWX.CF.Y.0050.000000T0000Z-240426T1600Z/  
ANNE ARUNDEL-  
446 AM EDT FRI APR 26 2024  
 
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL NOON EDT  
TODAY...  
 
* WHAT...UP TO ONE FOOT OF INUNDATION ABOVE GROUND LEVEL IN LOW  
LYING AREAS DUE TO TIDAL FLOODING.  
 
* WHERE...SHORELINE IN ANNE ARUNDEL COUNTY.  
 
* WHEN...UNTIL NOON EDT TODAY, ESPECIALLY AROUND THE TIME OF  
HIGH TIDE.  
 
* IMPACTS...AT 3.2 FEET, WATER BEGINS TO APPROACH BUSINESSES ON  
DOCK STREET IN ANNAPOLIS. THE CITY DOCK PARKING LOT IS  
FLOODED. COMPROMISE STREET IS FLOODED.  
 
* ADDITIONAL DETAILS...TIDES ONE AND A HALF TO TWO FEET ABOVE  
NORMAL. THE NEXT HIGH TIDE AT ANNAPOLIS U.S. NAVAL ACADEMY IS AT  
7:42 AM AND 7:36 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.  
 
SEVERN RIVER AT ANNAPOLIS  
MLLW CATEGORIES - MINOR 2.6 FT, MODERATE 3.3 FT, MAJOR 6.0 FT  
MHHW CATEGORIES - MINOR 1.2 FT, MODERATE 1.9 FT, MAJOR 4.6 FT  
 
TOTAL TOTAL DEPARTURE  
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD  
FT MLLW FT MHHW FT FT IMPACT  
-------- --------- --------- --------- ------- --------  
26/07 AM 3.3 1.9 1.8 0.5 MODERATE  
26/07 PM 2.2 0.8 1.3 1.0 NONE  
27/08 AM 3.0 1.6 1.5 1.0 MINOR  
27/08 PM 2.1 0.7 1.2 1.0 NONE  
28/09 AM 2.7 1.3 1.2 1.0 MINOR  
28/09 PM 2.0 0.6 1.1 1.0 NONE  
 

 
 

 
 
DCZ001-261700-  
/O.CON.KLWX.CF.Y.0050.240426T1200Z-240426T1700Z/  
DISTRICT OF COLUMBIA-  
446 AM EDT FRI APR 26 2024  
 
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 8 AM THIS  
MORNING TO 1 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 THE DISTRICT OF COLUMBIA.  
 
* WHEN...FROM 8 AM THIS MORNING TO 1 PM EDT THIS AFTERNOON,  
ESPECIALLY AROUND THE TIME OF HIGH TIDE.  
 
* IMPACTS...SHORELINE INUNDATION IS EXPECTED ALONG PORTIONS OF  
THE SEAWALL ADJACENT TO OHIO DRIVE AND THE HAINS POINT LOOP  
ROAD, AND NEAR THE TIDAL BASIN AND JEFFERSON MEMORIAL.  
 
* ADDITIONAL DETAILS...TIDES ONE TO ONE AND A HALF FEET ABOVE  
NORMAL. THE NEXT HIGH TIDE AT WASHINGTON CHANNEL IS AT 10:13 AM  
AND 10:52 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.  
 

 
 

 
 
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