989  
WHUS41 KLWX 221630  
CFWLWX  
 
COASTAL HAZARD MESSAGE  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1230 PM EDT FRI JUN 22 2018  
 
MDZ016-VAZ057-230030-  
/O.NEW.KLWX.CF.Y.0045.180622T1630Z-180623T0800Z/  
CHARLES-KING GEORGE-  
1230 PM EDT FRI JUN 22 2018  
   
..COASTAL FLOOD ADVISORY IN EFFECT UNTIL 4 AM EDT SATURDAY
 
 
THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS  
ISSUED A COASTAL FLOOD ADVISORY, WHICH IS IN EFFECT UNTIL 4 AM  
EDT SATURDAY.  
 
* LOCATIONS...SHORELINE IN CHARLES COUNTY AND KING GEORGE COUNTY.  
 
* TIDAL DEPARTURE...1.5 TO 2.5 FEET ABOVE NORMAL.  
 
* TIMING...THROUGH MID-AFTERNOON, AND AGAIN AROUND THE TIME OF  
HIGH TIDE. HIGH TIDE AT DAHLGREN IS AT 11:57 PM THIS EVENING.  
HIGH TIDE AT GOOSE BAY IS AT 12:31 PM THIS AFTERNOON AND AGAIN  
AT 1:00 AM OVERNIGHT.  
 
* IMPACTS...WATER IS EXPECTED TO REACH YARDS NEAR COBB ISLAND AND  
DOCKS NEAR DAHLGREN. MINOR SHORELINE INUNDATION UP TO ONE FOOT  
ABOVE GROUND 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.  
 
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  
-------- --------- --------- --------- ------- --------  
22/12 PM 3.6 1.7 2.0 1.0 MINOR  
23/12 AM 3.6 1.7 1.7 1.0 MINOR  
23/12 PM 3.0 1.1 1.4 0.5 NONE  
24/01 AM 3.3 1.4 1.4 0.5 NONE  
24/01 PM 2.6 0.7 1.0 1.0 NONE  
25/02 AM 2.7 0.8 0.8 0.5 NONE  
 

 
 

 
 
DCZ001-VAZ054-230030-  
/O.NEW.KLWX.CF.Y.0045.180622T1800Z-180623T1200Z/  
DISTRICT OF COLUMBIA-ARLINGTON/FALLS CHURCH/ALEXANDRIA-  
1230 PM EDT FRI JUN 22 2018  
   
..COASTAL FLOOD ADVISORY IN EFFECT UNTIL 8 AM EDT SATURDAY
 
 
THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS  
ISSUED A COASTAL FLOOD ADVISORY, WHICH IS IN EFFECT UNTIL 8 AM  
EDT SATURDAY.  
 
* LOCATIONS...SHORELINE IN THE DISTRICT OF COLUMBIA AND  
ARLINGTON COUNTY AND THE CITY OF ALEXANDRIA.  
 
* TIDAL DEPARTURE...1 TO 2 FEET ABOVE NORMAL.  
 
* TIMING...AROUND THE TIME OF HIGH TIDE. HIGH TIDE AT WASHINGTON  
CHANNEL IS AT 4:39 PM THIS EVENING AND AGAIN AT 5:08 AM EARLY  
SATURDAY MORNING. HIGH TIDE AT ALEXANDRIA IS AT 4:57 PM LATE  
THIS AFTERNOON AND AGAIN AT 5:26 AM EARLY SATURDAY MORNING.  
 
* 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. WATER IS EXPECTED TO APPROACH THE  
CURB NEAR THE INTERSECTION OF KING STREET AND STRAND STREET IN  
ALEXANDRIA. MINOR SHORELINE INUNDATION UP TO ONE FOOT ABOVE  
GROUND 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.  
 

 
 

 
 
MDZ017-230030-  
/O.NEW.KLWX.CF.Y.0045.180622T2200Z-180623T0600Z/  
ST. MARYS-  
1230 PM EDT FRI JUN 22 2018  
 
...COASTAL FLOOD ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO  
2 AM EDT SATURDAY...  
 
THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS  
ISSUED A COASTAL FLOOD ADVISORY, WHICH IS IN EFFECT FROM 6 PM  
THIS EVENING TO 2 AM EDT SATURDAY.  
 
* LOCATIONS...SHORELINE IN ST. MARYS COUNTY.  
 
* TIDAL DEPARTURE...  
 
* TIMING...AROUND THE TIME OF HIGH TIDE. HIGH TIDE AT COLTONS  
POINT IS AT 11:50 PM THIS EVENING AND PINEY POINT IS AT 11:14 PM  
THIS EVENING. HIGH TIDE AT POINT LOOKOUT IS AT 10:32 PM THIS  
EVENING.  
 
* IMPACTS...WATER IS EXPECTED TO GO OVER A PORTION OF THE  
BULKHEAD NEAR THE STRAITS POINT BRIDGE, AND ALSO COVER YARDS IN  
THE ST GEORGES CREEK AND ST MARYS RIVER AREAS. MINOR SHORELINE  
INUNDATION UP TO ONE FOOT ABOVE GROUND 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 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  
-------- --------- --------- --------- ------- --------  
22/12 PM 2.5 0.9 1.3 1.0 NONE  
22/11 PM 3.1 1.5 1.4 1.0 MINOR  
23/11 AM 2.8 1.2 1.4 1.0 NONE  
24/12 AM 3.1 1.5 1.4 1.0 MINOR  
24/12 PM 2.4 0.8 1.0 1.0 NONE  
25/12 AM 2.5 0.9 0.8 1.0 NONE  
 

 
 

 
 
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