968  
WHUS41 KLWX 251731  
CFWLWX  
 
COASTAL HAZARD MESSAGE  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
131 PM EDT TUE APR 25 2017  
 
MDZ016-VAZ057-252200-  
/O.EXB.KLWX.CF.Y.0017.000000T0000Z-170425T2200Z/  
CHARLES-KING GEORGE-  
131 PM EDT TUE APR 25 2017  
   
..COASTAL FLOOD ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
 
 
THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON DC HAS  
ISSUED A COASTAL FLOOD ADVISORY, WHICH IS IN EFFECT UNTIL 6 PM  
EDT THIS EVENING.  
 
* TIDAL DEPARTURE...AROUND 1.5 FEET ABOVE NORMAL.  
 
* TIMING...AROUND THE TIME OF HIGH TIDE THIS AFTERNOON, WHICH WILL  
OCCUR AT 3:29 PM AT DAHLGREN, UPPER MACHODOC CREEK.  
 
* IMPACTS...MINOR INUNDATION OF LOW LYING AREAS IN EASTERN KING  
GEORGE COUNTY AND THE COBB ISLAND SECTION OF CHARLES COUNTY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES  
WILL COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE.  
 

 
 

 
 
FORECAST TIDES ARE REFERENCED TO MEAN LOWER LOW WATER  
(MLLW) AND MEAN HIGHER HIGH WATER (MHHW) UNLESS  
OTHERWISE NOTED. TIME OF HIGH TOTAL TIDE IS  
APPROXIMATE TO NEAREST HOUR. TOTAL TIDE COMBINES THE  
NORMAL TIDE AND DEPARTURE FROM NORMAL. FLOOD IMPACT  
IS BASED ON THE TOTAL TIDE AND WAVES WHERE APPLICABLE.  
 
DAHLGREN VA  
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  
-------- --------- --------- --------- ------- --------  
25/03 PM 3.6 1.7 1.8 1.0 MINOR  
26/03 AM 2.9 1.0 0.9 1.0 NONE  
26/04 PM 2.4 0.5 0.6 0.5 NONE  
27/04 AM 2.7 0.8 0.6 0.5 NONE  
27/05 PM 2.3 0.4 0.5 1.0 NONE  
28/05 AM 2.5 0.6 0.4 1.0 NONE  
 

 
 
MDZ017-252100-  
/O.CON.KLWX.CF.Y.0017.000000T0000Z-170425T2100Z/  
ST. MARYS-  
131 PM EDT TUE APR 25 2017  
 
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS  
AFTERNOON...  
 
* LOCATION...SAINT MARYS COUNTY SHORELINE.  
 
* TIDAL DEPARTURE...AROUND 1.5 FEET ABOVE NORMAL.  
 
* TIMING...AROUND THE TIME OF HIGH TIDE THIS AFTERNOON, WHICH  
WILL OCCUR AT 2:17 PM.  
 
* IMPACTS...WATER IS EXPECTED TO GO OVER A PORTION OF THE  
BULKHEAD NEAR THE STRAITS POINT BRIDGE, AND ALSO COVER YARDS  
IN THE SAINT GEORGES CREEK AND SAINT MARYS RIVER AREAS. MINOR  
SHORELINE INUNDATION IS POSSIBLE ELSEWHERE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES  
WILL COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE.  
 

 
 

 
 
FORECAST TIDES ARE REFERENCED TO MEAN LOWER LOW WATER  
(MLLW) AND MEAN HIGHER HIGH WATER (MHHW) UNLESS  
OTHERWISE NOTED. TIME OF HIGH TOTAL TIDE IS  
APPROXIMATE TO NEAREST HOUR. TOTAL TIDE COMBINES THE  
NORMAL TIDE AND DEPARTURE FROM NORMAL. FLOOD IMPACT  
IS BASED ON THE TOTAL TIDE AND WAVES WHERE APPLICABLE.  
 
STRAITS POINT MD  
MLLW CATEGORIES - MINOR 2.7 FT, MODERATE 3.5 FT, MAJOR 5.0 FT  
MHHW CATEGORIES - MINOR 1.1 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  
-------- --------- --------- --------- ------- --------  
25/02 PM 3.1 1.5 1.5 2.0 MINOR  
26/02 AM 2.6 1.0 0.8 0.5 NONE  
26/03 PM 2.2 0.6 0.6 0.5 NONE  
27/03 AM 2.4 0.8 0.5 0.5 NONE  
27/04 PM 2.1 0.5 0.5 1.0 NONE  
28/04 AM 2.3 0.7 0.4 1.0 NONE  
 

 
 

 
 
JACKSON  
 
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