234  
WHUS41 KLWX 192036  
CFWLWX  
 
COASTAL HAZARD MESSAGE  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
336 PM EST TUE NOV 19 2024  
 
DCZ001-200600-  
/O.EXB.KLWX.CF.Y.0123.241120T0200Z-241120T0600Z/  
DISTRICT OF COLUMBIA-  
336 PM EST TUE NOV 19 2024  
 
...COASTAL FLOOD ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO  
1 AM EST WEDNESDAY...  
 
* 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 9 PM THIS EVENING TO 1 AM EST WEDNESDAY,  
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 10:34 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.  
 
 
 
 
 
MDZ014-200500-  
/O.CON.KLWX.CF.Y.0123.241119T2300Z-241120T0500Z/  
ANNE ARUNDEL-  
336 PM EST TUE NOV 19 2024  
 
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST  
TONIGHT...  
 
* WHAT...UP TO ONE HALF FOOT OF INUNDATION ABOVE GROUND LEVEL  
EXPECTED IN LOW LYING AREAS DUE TO TIDAL FLOODING.  
 
* WHERE...SHORELINE IN ANNE ARUNDEL COUNTY.  
 
* WHEN...UNTIL MIDNIGHT EST TONIGHT, ESPECIALLY AROUND THE TIME  
OF HIGH TIDE.  
 
* IMPACTS...AT 2.6 FEET, WATER MAY BEGIN TO POND IN THE PARKING  
LOT AT ANNAPOLIS CITY DOCK, AND SURROUND 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  
8:22 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 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  
-------- --------- --------- --------- ------- --------  
19/08 PM 2.6 1.2 1.2 0.5 MINOR  
20/08 AM 2.3 0.9 1.4 0.5 NONE  
20/09 PM 2.7 1.3 1.4 1.0 MINOR  
21/07 AM 1.4 -0.0 0.7 0.5 NONE  
21/10 PM 2.2 0.8 1.0 0.5 NONE  
22/09 AM 1.6 0.2 0.8 0.5 NONE  
 
 
 
 
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