697  
WHUS41 KBOX 130158  
CFWBOX  
 
COASTAL HAZARD MESSAGE  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
958 PM EDT SUN AUG 12 2018  
 
MAZ007-015-016-019-022-024-130700-  
/O.CON.KBOX.CF.Y.0017.180813T0300Z-180813T0700Z/  
EASTERN ESSEX MA-SUFFOLK MA-EASTERN NORFOLK MA-  
EASTERN PLYMOUTH MA-BARNSTABLE MA-NANTUCKET MA-  
958 PM EDT SUN AUG 12 2018  
 
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 3 AM EDT  
MONDAY...  
 
* LOCATIONS...EASTERN PLYMOUTH MA, SUFFOLK MA, EASTERN ESSEX MA,  
BARNSTABLE MA, EASTERN NORFOLK MA AND NANTUCKET MA COUNTIES.  
 
* TIMING...THE OVERNIGHT HIGH TIDE CYCLE WHICH OCCURS SHORTLY  
BEFORE 1 AM MONDAY MORNING.  
 
* COASTAL FLOOD IMPACTS...SPLASH OVER AND MINOR COASTAL FLOODING  
OF THE TYPICALLY VULNERABLE SHORE ROADS ARE POSSIBLE WITHIN AN  
HOUR OR TWO OF HIGH TIDE. ANY IMPACTS THOUGH WILL BE MINOR AND  
SHORT LIVED.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A COASTAL FLOOD ADVISORY IS ISSUED FOR MINOR COASTAL FLOODING OF  
THE MOST VULNERABLE SHORE ROADS AND/OR BASEMENTS DUE TO THE  
HEIGHT OF STORM TIDE OR WAVE SPLASHOVER. THE MAJORITY OF ROADS  
REMAIN PASSABLE WITH ONLY ISOLATED CLOSURES. THERE IS NO  
SIGNIFICANT THREAT TO LIFE...AND IMPACT ON PROPERTY IS MINIMAL.  
 

 
 
TIME OF HIGH TOTAL TIDES ARE APPROXIMATE TO THE NEAREST HOUR.  
CATEGORY THRESHOLDS ARE BASED ON STILL WATER LEVELS. IMPACTS  
MAY BE GREATER, DEPENDING UPON WAVE ACTION.  
 
NEWBURYPORT  
MLLW CATEGORIES - MINOR 11.0 FT, MODERATE 12.5 FT, MAJOR 14.0 FT  
MHHW CATEGORIES - MINOR 1.5 FT, MODERATE 3.0 FT, MAJOR 4.5 FT  
 
TOTAL TOTAL DEPARTURE  
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD  
FT MLLW FT MHHW FT FT IMPACT  
-------- --------- --------- --------- ------- --------  
13/01 AM 10.4/10.9 0.9/ 1.4 0.2/ 0.8 2 NONE  
13/02 PM 9.0/ 9.5 -0.6/-0.1 -0.2/ 0.2 2 NONE  
14/02 AM 9.7/10.2 0.2/ 0.7 -0.2/ 0.2 1 NONE  
14/03 PM 9.1/ 9.6 -0.5/ 0.0 -0.2/ 0.2 1 NONE  
15/03 AM 9.3/ 9.8 -0.2/ 0.2 -0.2/ 0.2 1 NONE  
 
GLOUCESTER HARBOR  
MLLW CATEGORIES - MINOR 12.0 FT, MODERATE 14.5 FT, MAJOR 15.5 FT  
MHHW CATEGORIES - MINOR 2.5 FT, MODERATE 5.0 FT, MAJOR 6.0 FT  
 
TOTAL TOTAL DEPARTURE  
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD  
FT MLLW FT MHHW FT FT IMPACT  
-------- --------- --------- --------- ------- --------  
13/01 AM 11.7/12.2 2.2/ 2.7 0.2/ 0.8 2 MINOR  
13/01 PM 10.5/11.0 1.0/ 1.5 0.0/ 0.5 2 NONE  
14/02 AM 11.0/11.5 1.5/ 2.0 -0.2/ 0.3 1 NONE  
14/02 PM 10.5/11.0 1.0/ 1.5 0.0/ 0.5 1 NONE  
15/03 AM 10.6/11.1 1.1/ 1.6 -0.2/ 0.3 1-2 NONE  
 
BOSTON HARBOR  
MLLW CATEGORIES - MINOR 12.5 FT, MODERATE 15.0 FT, MAJOR 16.0 FT  
MHHW CATEGORIES - MINOR 2.4 FT, MODERATE 4.9 FT, MAJOR 5.9 FT  
 
TOTAL TOTAL DEPARTURE  
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD  
FT MLLW FT MHHW FT FT IMPACT  
-------- --------- --------- --------- ------- --------  
13/01 AM 12.2/12.7 2.1/ 2.6 0.2/ 0.8 1 MINOR  
13/02 PM 10.8/11.3 0.7/ 1.1 -0.2/ 0.2 1 NONE  
14/02 AM 11.5/12.0 1.4/ 1.9 -0.2/ 0.2 1 NONE  
14/02 PM 10.8/11.3 0.7/ 1.1 -0.2/ 0.2 1 NONE  
15/03 AM 11.0/11.5 0.9/ 1.4 -0.2/ 0.2 1 NONE  
 
REVERE  
MLLW CATEGORIES - MINOR 12.5 FT, MODERATE 15.0 FT, MAJOR 16.5 FT  
MHHW CATEGORIES - MINOR 2.6 FT, MODERATE 5.1 FT, MAJOR 6.6 FT  
 
TOTAL TOTAL DEPARTURE  
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD  
FT MLLW FT MHHW FT FT IMPACT  
-------- --------- --------- --------- ------- --------  
13/01 AM 12.1/12.6 2.2/ 2.7 0.2/ 0.8 1 NONE  
13/02 PM 10.9/11.4 1.0/ 1.5 0.0/ 0.5 1 NONE  
14/02 AM 11.5/12.0 1.6/ 2.0 0.0/ 0.5 1 NONE  
14/02 PM 10.9/11.4 1.0/ 1.5 0.0/ 0.5 1 NONE  
15/03 AM 11.0/11.5 1.1/ 1.6 -0.2/ 0.3 1 NONE  
 
SCITUATE  
MLLW CATEGORIES - MINOR 11.5 FT, MODERATE 14.0 FT, MAJOR 16.0 FT  
MHHW CATEGORIES - MINOR 1.8 FT, MODERATE 4.3 FT, MAJOR 6.3 FT  
 
TOTAL TOTAL DEPARTURE  
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD  
FT MLLW FT MHHW FT FT IMPACT  
-------- --------- --------- --------- ------- --------  
13/01 AM 11.7/12.2 2.0/ 2.5 0.2/ 0.8 1 MINOR  
13/02 PM 10.2/10.7 0.5/ 1.0 -0.2/ 0.2 1 NONE  
14/02 AM 11.0/11.5 1.3/ 1.8 -0.2/ 0.2 1 NONE  
14/02 PM 10.3/10.8 0.6/ 1.1 -0.2/ 0.2 1 NONE  
15/03 AM 10.5/11.0 0.8/ 1.3 -0.2/ 0.2 1 NONE  
 
SANDWICH / DENNIS  
MLLW CATEGORIES - MINOR 13.0 FT, MODERATE 14.0 FT, MAJOR 15.5 FT  
MHHW CATEGORIES - MINOR 2.7 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  
-------- --------- --------- --------- ------- --------  
13/01 AM 12.1/12.6 1.8/ 2.2 0.2/ 0.8 1 NONE  
13/01 PM 10.8/11.3 0.5/ 1.0 0.0/ 0.5 1 NONE  
14/02 AM 11.5/12.0 1.2/ 1.7 0.0/ 0.5 1 NONE  
14/02 PM 10.8/11.3 0.5/ 1.0 0.0/ 0.5 1 NONE  
15/03 AM 10.9/11.4 0.6/ 1.1 -0.2/ 0.3 1 NONE  
 
PROVINCETOWN HARBOR  
MLLW CATEGORIES - MINOR 12.5 FT, MODERATE 13.5 FT, MAJOR 15.0 FT  
MHHW CATEGORIES - MINOR 2.4 FT, MODERATE 3.4 FT, MAJOR 4.9 FT  
 
TOTAL TOTAL DEPARTURE  
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD  
FT MLLW FT MHHW FT FT IMPACT  
-------- --------- --------- --------- ------- --------  
13/01 AM 12.5/13.0 2.3/ 2.8 0.2/ 0.8 1 NONE  
13/02 PM 11.1/11.6 1.0/ 1.5 -0.2/ 0.3 1 NONE  
14/02 AM 11.9/12.4 1.8/ 2.2 -0.2/ 0.3 1 NONE  
14/02 PM 11.2/11.7 1.1/ 1.6 0.0/ 0.5 1 NONE  
15/03 AM 11.3/11.8 1.2/ 1.7 -0.2/ 0.2 1 NONE  
 
CHATHAM - EAST COAST  
MLLW CATEGORIES - MINOR 9.5 FT, MODERATE 12.0 FT, MAJOR 13.0 FT  
MHHW CATEGORIES - MINOR 1.8 FT, MODERATE 4.3 FT, MAJOR 5.3 FT  
 
TOTAL TOTAL DEPARTURE  
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD  
FT MLLW FT MHHW FT FT IMPACT  
-------- --------- --------- --------- ------- --------  
13/02 AM 7.1/ 7.6 -0.7/-0.2 0.2/ 0.8 2 NONE  
13/02 PM 6.0/ 6.5 -1.8/-1.3 0.0/ 0.5 2 NONE  
14/03 AM 6.5/ 7.0 -1.3/-0.8 -0.2/ 0.3 2 NONE  
14/03 PM 6.0/ 6.5 -1.8/-1.3 -0.2/ 0.3 2 NONE  
15/04 AM 6.2/ 6.7 -1.6/-1.1 -0.2/ 0.2 2 NONE  
 
CHATHAM - SOUTH COAST  
MLLW CATEGORIES - MINOR 9.0 FT, MODERATE 10.5 FT, MAJOR 11.5 FT  
MHHW CATEGORIES - MINOR 4.5 FT, MODERATE 6.0 FT, MAJOR 7.0 FT  
 
TOTAL TOTAL DEPARTURE  
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD  
FT MLLW FT MHHW FT FT IMPACT  
-------- --------- --------- --------- ------- --------  
13/02 AM 5.0/ 5.5 0.5/ 1.0 0.2/ 0.8 1-2 NONE  
13/02 PM 4.0/ 4.5 -0.5/ 0.0 0.0/ 0.5 1-2 NONE  
14/03 AM 4.6/ 5.1 0.1/ 0.6 0.0/ 0.5 1 NONE  
14/03 PM 4.2/ 4.7 -0.3/ 0.2 0.0/ 0.5 1-2 NONE  
15/04 AM 4.2/ 4.7 -0.2/ 0.2 -0.2/ 0.3 2 NONE  
 
BUZZARDS BAY - WOODS HOLE  
MLLW CATEGORIES - MINOR 5.5 FT, MODERATE 7.0 FT, MAJOR 8.5 FT  
MHHW CATEGORIES - MINOR 3.5 FT, MODERATE 5.0 FT, MAJOR 6.5 FT  
 
TOTAL TOTAL DEPARTURE  
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD  
FT MLLW FT MHHW FT FT IMPACT  
-------- --------- --------- --------- ------- --------  
12/10 PM 3.2/ 3.7 1.2/ 1.7 0.0/ 0.5 1 NONE  
13/10 AM 3.1/ 3.6 1.1/ 1.6 0.0/ 0.5 1 NONE  
13/11 PM 3.1/ 3.6 1.1/ 1.6 0.0/ 0.5 1-2 NONE  
14/11 AM 3.0/ 3.5 1.0/ 1.5 0.0/ 0.5 2 NONE  
15/12 AM 2.7/ 3.2 0.7/ 1.1 -0.2/ 0.3 2 NONE  
15/12 PM 2.7/ 3.2 0.7/ 1.1 -0.2/ 0.2 2 NONE  
 
WINGS NECK  
MLLW CATEGORIES - MINOR 6.5 FT, MODERATE 9.0 FT, MAJOR 11.5 FT  
MHHW CATEGORIES - MINOR 2.2 FT, MODERATE 4.7 FT, MAJOR 7.2 FT  
 
TOTAL TOTAL DEPARTURE  
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD  
FT MLLW FT MHHW FT FT IMPACT  
-------- --------- --------- --------- ------- --------  
12/10 PM 5.4/ 5.9 1.1/ 1.6 0.1/ 0.6 1 NONE  
13/10 AM 5.2/ 5.7 0.9/ 1.4 0.0/ 0.5 1 NONE  
13/11 PM 5.1/ 5.6 0.8/ 1.3 0.0/ 0.5 1 NONE  
14/11 AM 5.1/ 5.6 0.8/ 1.3 0.0/ 0.5 1 NONE  
14/11 PM 4.7/ 5.2 0.5/ 1.0 0.0/ 0.5 1 NONE  
15/12 PM 4.7/ 5.2 0.5/ 1.0 -0.2/ 0.2 1 NONE  
 
NANTUCKET HARBOR  
MLLW CATEGORIES - MINOR 5.0 FT, MODERATE 6.5 FT, MAJOR 8.0 FT  
MHHW CATEGORIES - MINOR 1.4 FT, MODERATE 2.9 FT, MAJOR 4.4 FT  
 
TOTAL TOTAL DEPARTURE  
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD  
FT MLLW FT MHHW FT FT IMPACT  
-------- --------- --------- --------- ------- --------  
13/02 AM 4.2/ 4.7 0.7/ 1.1 0.2/ 0.8 2 NONE  
13/03 PM 3.4/ 3.9 -0.2/ 0.2 0.0/ 0.5 2 NONE  
14/03 AM 3.7/ 4.2 0.1/ 0.6 -0.2/ 0.3 2 NONE  
14/04 PM 3.4/ 3.9 -0.2/ 0.2 -0.2/ 0.3 2 NONE  
15/04 AM 3.4/ 3.9 -0.2/ 0.2 -0.2/ 0.2 3 NONE  
 
NANTUCKET EAST COAST - EROSION IMPACTS  
 
TOTAL TOTAL DEPARTURE  
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD  
FT MLLW FT MHHW FT FT IMPACT  
-------- --------- --------- --------- ------- --------  
13/02 AM 4.7/ 5.2 0.6/ 1.1 0.2/ 0.8 2-3 NONE  
13/02 PM 3.9/ 4.4 -0.2/ 0.2 0.0/ 0.5 2 NONE  
14/03 AM 4.2/ 4.7 0.1/ 0.6 -0.2/ 0.3 2 NONE  
14/03 PM 3.7/ 4.2 -0.3/ 0.2 -0.2/ 0.3 2-3 NONE  
15/04 AM 3.9/ 4.4 -0.2/ 0.2 -0.2/ 0.2 3 NONE  
 
NANTUCKET - MADAKET AREA EROSION IMPACTS  
 
TOTAL TOTAL DEPARTURE  
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD  
FT MLLW FT MHHW FT FT IMPACT  
-------- --------- --------- --------- ------- --------  
13/02 AM 3.2/ 3.7 1.8/ 2.2 0.2/ 0.8 2 NONE  
13/02 PM 2.6/ 3.1 1.2/ 1.7 0.0/ 0.5 2 NONE  
14/02 AM 2.7/ 3.2 1.4/ 1.9 0.0/ 0.5 2 NONE  
14/03 PM 2.6/ 3.1 1.2/ 1.7 0.0/ 0.5 2-3 NONE  
15/03 AM 2.6/ 3.1 1.2/ 1.7 -0.2/ 0.3 3 NONE  
 

 
 

 
 
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