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Marine Coastal Hazard Message - Issued When Needed
Check the date
Expires:202511071900;Remove:202511071900;981531
WHUS41 KBOX 070533
CFWBOX
Coastal Hazard Message
National Weather Service Boston/Norton MA
1233 AM EST Fri Nov 7 2025
MAZ007-015-016-022-071900-
/O.NEW.KBOX.CF.S.0006.251107T1400Z-251107T1900Z/
Eastern Essex MA-Suffolk MA-Eastern Norfolk MA-Barnstable MA-
1233 AM EST Fri Nov 7 2025
...COASTAL FLOOD STATEMENT IN EFFECT FROM 9 AM EST THIS MORNING
THROUGH THIS AFTERNOON...
* WHAT...Up to one half foot of inundation above ground level
expected in low-lying areas near shorelines and tidal
waterways (3.5 to 12.7 feet Mean Lower Low Water).
* WHERE...Eastern Essex MA, Suffolk MA, Eastern Norfolk MA and
Barnstable MA Counties.
* WHEN...From 9 AM EST this morning through this afternoon.
* IMPACTS...Roads remain passable. Shallow pockets of flooding
less than one foot deep affect more vulnerable coastal roads
along the North Shore from Salem and Gloucester to
Newburyport. Some splashover onto coastal roads around the
time of high tide.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Do not drive through flooded roadways.
&&
&&
Time of high total tides are approximate to the nearest hour.
Gloucester Harbor
MLLW Categories - Minor 11.5 ft, Moderate 13.0 ft, Major 15.0 ft
MHHW Categories - Minor 1.9 ft, Moderate 3.4 ft, Major 5.4 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
07/12 AM 9.8/10.3 0.2/ 0.7 0.1/ 0.6 2 None
07/12 PM 11.4/11.9 1.8/ 2.2 0.0/ 0.5 1-2 Minor
08/01 AM 9.4/ 9.9 -0.2/ 0.2 -0.2/ 0.3 3-4 None
08/01 PM 11.1/11.6 1.5/ 2.0 -0.2/ 0.2 2 None
09/02 AM 9.2/ 9.7 -0.5/ 0.0 0.0/ 0.5 2 None
09/02 PM 11.2/11.7 1.6/ 2.0 0.2/ 0.8 2-3 None
Merrimack River near Newburyport MA
MLLW Categories - Minor 11.0 ft, Moderate 12.0 ft, Major 13.5 ft
MHHW Categories - Minor 1.5 ft, Moderate 2.5 ft, Major 4.0 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
07/12 AM 8.8/ 9.3 -0.8/-0.2 0.1/ 0.6 2 None
07/12 PM 10.2/10.7 0.7/ 1.1 0.0/ 0.5 1-2 None
08/01 AM 8.4/ 8.9 -1.1/-0.7 -0.2/ 0.3 3 None
08/01 PM 9.9/10.4 0.4/ 0.9 -0.2/ 0.2 2 None
09/02 AM 8.3/ 8.8 -1.3/-0.8 0.0/ 0.5 1 None
09/02 PM 10.1/10.6 0.6/ 1.1 0.2/ 0.8 2 None
Boston Harbor
MLLW Categories - Minor 12.5 ft, Moderate 14.0 ft, Major 15.0 ft
MHHW Categories - Minor 2.2 ft, Moderate 3.7 ft, Major 4.7 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
07/12 AM 10.4/10.9 0.1/ 0.6 -0.2/ 0.3 1 None
07/12 PM 12.0/12.5 1.7/ 2.2 -0.2/ 0.3 1-2 None
08/01 AM 9.9/10.4 -0.5/ 0.0 -0.3/ 0.2 2 None
08/01 PM 11.6/12.1 1.3/ 1.8 -0.2/ 0.2 1-2 None
09/02 AM 9.8/10.3 -0.6/-0.1 0.0/ 0.5 1 None
09/02 PM 11.6/12.1 1.3/ 1.8 0.2/ 0.8 1-2 None
Revere
MLLW Categories - Minor 12.5 ft, Moderate 14.5 ft, Major 16.0 ft
MHHW Categories - Minor 2.6 ft, Moderate 4.6 ft, Major 6.1 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
07/12 AM 10.3/10.8 0.4/ 0.9 0.0/ 0.5 1 None
07/12 PM 11.8/12.3 1.9/ 2.3 -0.2/ 0.3 1-2 None
08/01 AM 9.7/10.2 -0.2/ 0.2 -0.3/ 0.2 2 None
08/01 PM 11.5/12.0 1.6/ 2.0 -0.2/ 0.2 1-2 None
09/02 AM 9.6/10.1 -0.3/ 0.2 0.0/ 0.5 1 None
09/02 PM 11.5/12.0 1.6/ 2.0 0.2/ 0.8 1-2 None
Buzzards Bay at 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
-------- --------- --------- --------- ------- --------
07/09 AM 3.2/ 3.7 1.3/ 1.8 0.2/ 0.8 1-2 None
07/09 PM 2.2/ 2.7 0.2/ 0.8 0.4/ 0.9 4-6 None
08/10 AM 2.6/ 3.1 0.6/ 1.1 -0.3/ 0.2 3-4 None
08/10 PM 1.4/ 1.9 -0.7/-0.2 -0.5/ 0.0 2 None
09/11 AM 2.6/ 3.1 0.6/ 1.1 0.0/ 0.5 2 None
Chatham MA - East Coast
MLLW Categories - Minor 9.0 ft, Moderate 11.5 ft, Major 13.0 ft
MHHW Categories - Minor 3.8 ft, Moderate 6.3 ft, Major 7.8 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
07/12 AM 5.5/ 6.0 0.2/ 0.8 0.1/ 0.6 3 None
07/01 PM 6.7/ 7.2 1.5/ 2.0 0.0/ 0.5 2-3 None
08/01 AM 5.0/ 5.5 -0.2/ 0.2 -0.3/ 0.2 4-5 None
08/01 PM 6.2/ 6.7 1.0/ 1.5 -0.3/ 0.2 2-3 None
09/02 AM 5.0/ 5.5 -0.2/ 0.2 -0.2/ 0.3 2 None
09/02 PM 6.5/ 7.0 1.3/ 1.8 0.2/ 0.7 2-3 None
Chatham - South side
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
-------- --------- --------- --------- ------- --------
07/01 AM 4.0/ 4.5 -0.6/-0.1 0.1/ 0.6 2-3 None
07/01 PM 5.5/ 6.0 1.0/ 1.5 0.1/ 0.6 2-3 None
08/02 AM 3.9/ 4.4 -0.7/-0.2 0.0/ 0.5 4 None
08/02 PM 5.0/ 5.5 0.5/ 1.0 -0.3/ 0.2 2 None
09/02 AM 3.7/ 4.2 -0.9/-0.4 -0.2/ 0.3 2 None
09/03 PM 5.4/ 5.9 0.9/ 1.4 0.2/ 0.8 2-3 None
Hyannis Harbor
MLLW Categories - Minor 5.0 ft, Moderate 6.5 ft, Major 8.5 ft
MHHW Categories - Minor 1.2 ft, Moderate 2.7 ft, Major 4.7 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
07/01 AM 3.1/ 3.6 -0.8/-0.2 -0.2/ 0.2 2 None
07/01 PM 4.7/ 5.2 1.0/ 1.5 0.1/ 0.6 1-3 Minor
08/02 AM 3.2/ 3.7 -0.6/-0.1 0.0/ 0.5 3 None
08/02 PM 4.2/ 4.7 0.5/ 1.0 -0.3/ 0.2 1-2 None
09/03 AM 3.1/ 3.6 -0.8/-0.2 -0.2/ 0.3 1 None
09/03 PM 4.7/ 5.2 1.0/ 1.5 0.4/ 0.9 2 Minor
Provincetown Harbor
MLLW Categories - Minor 13.0 ft, Moderate 14.0 ft, Major 15.0 ft
MHHW Categories - Minor 2.9 ft, Moderate 3.9 ft, Major 4.9 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
07/12 AM 10.5/11.0 0.4/ 0.9 0.2/ 0.7 3 None
07/12 PM 11.7/12.2 1.6/ 2.0 -0.2/ 0.3 2 None
08/01 AM 9.7/10.2 -0.5/ 0.0 -0.3/ 0.2 3-4 None
08/01 PM 11.2/11.7 1.1/ 1.6 -0.3/ 0.2 1-2 None
09/02 AM 9.6/10.1 -0.6/-0.1 0.0/ 0.5 1 None
09/02 PM 11.3/11.8 1.2/ 1.7 0.2/ 0.7 2 None
Dennis - Sesuit Harbor
MLLW Categories - Minor 13.0 ft, Moderate 14.5 ft, Major 16.0 ft
MHHW Categories - Minor 2.5 ft, Moderate 4.0 ft, Major 5.5 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
07/12 AM 11.1/11.6 0.6/ 1.1 0.2/ 0.7 2-3 None
07/12 PM 12.5/13.0 2.0/ 2.5 -0.2/ 0.3 2 None
08/01 AM 10.2/10.7 -0.3/ 0.2 -0.5/ 0.0 3 None
08/01 PM 12.2/12.7 1.7/ 2.2 -0.2/ 0.2 1-2 None
09/02 AM 10.3/10.8 -0.2/ 0.2 0.0/ 0.5 1 None
09/02 PM 12.1/12.6 1.6/ 2.0 0.2/ 0.7 1-2 None
Sandwich Harbor
MLLW Categories - Minor 12.0 ft, Moderate 14.0 ft, Major 15.0 ft
MHHW Categories - Minor 1.7 ft, Moderate 3.7 ft, Major 4.7 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
07/12 AM 7.7/ 8.2 -2.7/-2.2 -1.4/-0.9 2 None
07/12 PM 10.6/11.1 0.2/ 0.8 -0.2/ 0.3 1-3 None
08/01 AM 8.4/ 8.9 -2.0/-1.5 -0.5/ 0.0 3 None
08/01 PM 10.2/10.7 -0.2/ 0.3 -0.2/ 0.2 1 None
09/02 AM 8.6/ 9.1 -1.8/-1.3 0.1/ 0.6 1 None
09/02 PM 10.3/10.8 0.0/ 0.5 0.2/ 0.8 1-3 None
Wings Neck
MLLW Categories - Minor 6.5 ft, Moderate 9.0 ft, Major 11.5 ft
MHHW Categories - Minor 2.1 ft, Moderate 4.6 ft, Major 7.1 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
07/09 AM 5.5/ 6.0 1.1/ 1.6 0.2/ 0.8 1-2 None
07/09 PM 4.9/ 5.4 0.5/ 1.0 0.9/ 1.4 3 None
08/10 AM 4.7/ 5.2 0.2/ 0.8 -0.3/ 0.2 2 None
08/11 PM 3.5/ 4.0 -1.0/-0.5 -0.3/ 0.2 1 None
09/11 AM 4.6/ 5.1 0.2/ 0.7 0.0/ 0.5 1-2 None
&&
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