Coastal Flood Warnings/Watches/Statements
Issued by NWS Boston, MA
Issued by NWS Boston, MA
Versions:
1
822
WHUS41 KBOX 180821
CFWBOX
Coastal Hazard Message
National Weather Service Boston/Norton MA
321 AM EST Mon Nov 18 2024
MAZ007-014>016-019-022>024-182100-
/O.CON.KBOX.CF.S.0020.241118T1700Z-241118T2100Z/
Eastern Essex MA-Southeast Middlesex MA-Suffolk MA-
Eastern Norfolk MA-Eastern Plymouth MA-Barnstable MA-Dukes MA-
Nantucket MA-
321 AM EST Mon Nov 18 2024
...COASTAL FLOOD STATEMENT REMAINS IN EFFECT FROM NOON EST TODAY
THROUGH THIS AFTERNOON...
* WHAT...Up to one foot of inundation above ground level
expected in low-lying areas near shorelines and tidal
waterways (2.8 to 13.1 feet Mean Lower Low Water).
* WHERE...Eastern Essex MA, Southeast Middlesex MA, Suffolk MA,
Eastern Norfolk MA, Eastern Plymouth MA, Barnstable MA, Dukes
MA and Nantucket MA Counties.
* WHEN...Monday afternoon.
* IMPACTS...Sporadic shallow pockets of flooding less than one
foot deep may affect the lowest lying areas along the coast,
including Morrissey Boulevard in Boston. Most roads remain
passable. Flooding up to one foot deep affects coastal roads
on the North Shore from Salem to Gloucester and Newburyport.
Rough surf will cause flooding on some coastal roads around
the time of high tide due to splashover. Roads remain
passable. Low lying areas and roads near Nantucket Harbor,
including Easy Street, may experience pockets of shallow
flooding less than one foot deep.
* ADDITIONAL DETAILS...
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 2.0 ft, Moderate 3.5 ft, Major 5.5 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/12 AM 10.4/10.9 0.9/ 1.4 0.9/ 1.4 2 None
18/12 PM 11.7/12.2 2.2/ 2.7 1.0/ 1.5 2 Minor
19/01 AM 9.8/10.3 0.2/ 0.8 0.6/ 1.1 3 None
19/01 PM 11.1/11.6 1.6/ 2.0 0.7/ 1.1 2-3 None
20/02 AM 9.5/10.0 0.0/ 0.5 0.7/ 1.1 2 None
20/02 PM 10.5/11.0 1.0/ 1.5 0.6/ 1.1 1 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
-------- --------- --------- --------- ------- --------
18/01 AM 9.1/ 9.6 -0.5/ 0.0 0.8/ 1.3 2 None
18/01 PM 10.7/11.2 1.2/ 1.7 0.9/ 1.4 2 None
19/01 AM 8.7/ 9.2 -0.9/-0.4 0.6/ 1.1 3 None
19/02 PM 10.2/10.7 0.7/ 1.1 0.7/ 1.1 2 None
20/02 AM 8.5/ 9.0 -1.1/-0.6 0.7/ 1.1 1 None
Boston Harbor
MLLW Categories - Minor 12.5 ft, Moderate 14.0 ft, Major 15.0 ft
MHHW Categories - Minor 2.4 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
-------- --------- --------- --------- ------- --------
18/12 AM 10.8/11.3 0.7/ 1.1 0.9/ 1.4 1 None
18/01 PM 12.2/12.7 2.1/ 2.6 0.9/ 1.4 1-2 None
19/01 AM 10.1/10.6 0.0/ 0.5 0.6/ 1.1 2 None
19/01 PM 11.7/12.2 1.6/ 2.0 0.8/ 1.3 2 None
20/02 AM 10.0/10.5 -0.2/ 0.3 0.8/ 1.3 1 None
20/02 PM 11.1/11.6 1.0/ 1.5 0.8/ 1.3 1 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
-------- --------- --------- --------- ------- --------
18/12 AM 10.7/11.2 0.8/ 1.3 0.8/ 1.3 1 None
18/01 PM 12.2/12.7 2.2/ 2.7 0.8/ 1.3 1-2 None
19/01 AM 10.2/10.7 0.2/ 0.8 0.6/ 1.1 2 None
19/01 PM 11.7/12.2 1.8/ 2.2 0.8/ 1.3 2 None
20/02 AM 9.8/10.3 -0.2/ 0.3 0.6/ 1.1 1 None
20/02 PM 11.0/11.5 1.1/ 1.6 0.6/ 1.1 1 None
Scituate MA
MLLW Categories - Minor 11.5 ft, Moderate 13.5 ft, Major 15.5 ft
MHHW Categories - Minor 1.8 ft, Moderate 3.8 ft, Major 5.8 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/12 AM 10.5/11.0 0.8/ 1.3 1.0/ 1.5 2 None
18/01 PM 12.0/12.5 2.2/ 2.7 1.0/ 1.5 2 Minor
19/01 AM 9.9/10.4 0.2/ 0.7 0.7/ 1.1 3 None
19/01 PM 11.4/11.9 1.7/ 2.2 0.8/ 1.3 2-3 Minor
20/02 AM 9.6/10.1 -0.2/ 0.3 0.8/ 1.3 2 None
20/02 PM 10.9/11.4 1.2/ 1.7 0.8/ 1.3 1 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
-------- --------- --------- --------- ------- --------
17/09 PM 3.0/ 3.5 1.0/ 1.5 0.6/ 1.1 1 None
18/09 AM 3.7/ 4.2 1.7/ 2.2 0.8/ 1.3 1 None
18/10 PM 2.7/ 3.2 0.7/ 1.1 0.4/ 0.9 1-2 None
19/10 AM 3.2/ 3.7 1.2/ 1.7 0.6/ 1.1 1-2 None
19/10 PM 2.6/ 3.1 0.6/ 1.1 0.6/ 1.1 1 None
20/11 AM 2.8/ 3.4 0.9/ 1.4 0.5/ 1.0 1 None
Chatham MA - East Coast
MLLW Categories - Minor 9.0 ft, Moderate 11.5 ft, Major 13.0 ft
MHHW Categories - Minor 1.3 ft, Moderate 3.8 ft, Major 5.3 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 AM 5.7/ 6.2 -2.0/-1.6 0.8/ 1.3 2 None
18/01 PM 6.9/ 7.4 -0.9/-0.4 0.9/ 1.4 2-3 None
19/02 AM 5.4/ 5.9 -2.3/-1.9 0.7/ 1.1 3-4 None
19/02 PM 6.6/ 7.1 -1.1/-0.7 0.8/ 1.3 3-4 None
20/03 AM 5.2/ 5.7 -2.5/-2.0 0.8/ 1.3 2 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
-------- --------- --------- --------- ------- --------
18/02 AM 4.5/ 5.0 0.0/ 0.5 0.8/ 1.3 1 None
18/01 PM 5.7/ 6.2 1.2/ 1.7 0.8/ 1.3 1-2 None
19/03 AM 4.0/ 4.5 -0.5/ 0.0 0.5/ 1.0 3 None
19/02 PM 5.6/ 6.1 1.1/ 1.6 0.8/ 1.3 2 None
20/03 AM 4.2/ 4.7 -0.3/ 0.2 0.6/ 1.1 1 None
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
-------- --------- --------- --------- ------- --------
18/12 AM 10.9/11.4 0.8/ 1.3 1.0/ 1.5 2 None
18/01 PM 12.3/12.8 2.2/ 2.7 1.0/ 1.5 2 None
19/01 AM 10.4/10.9 0.2/ 0.8 0.8/ 1.3 4-5 None
19/02 PM 11.6/12.1 1.5/ 2.0 0.8/ 1.3 2 None
20/02 AM 10.1/10.6 0.0/ 0.5 0.8/ 1.3 2 None
20/02 PM 11.1/11.6 1.0/ 1.5 0.8/ 1.3 1 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
-------- --------- --------- --------- ------- --------
18/12 AM 11.5/12.0 1.0/ 1.5 1.1/ 1.6 1 None
18/01 PM 13.0/13.5 2.5/ 3.0 1.1/ 1.6 1 Minor
19/01 AM 11.2/11.7 0.7/ 1.1 1.1/ 1.6 2-4 None
19/01 PM 12.4/12.9 1.9/ 2.3 1.0/ 1.5 2-3 None
20/02 AM 10.6/11.1 0.1/ 0.6 0.9/ 1.4 1-2 None
20/02 PM 11.8/12.3 1.3/ 1.8 0.9/ 1.4 1 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
-------- --------- --------- --------- ------- --------
18/12 AM 9.9/10.4 -0.5/ 0.0 1.0/ 1.5 1 None
18/12 PM 11.3/11.8 1.0/ 1.5 1.2/ 1.7 1-2 None
19/01 AM 9.6/10.1 -0.8/-0.2 1.0/ 1.5 3 None
19/01 PM 10.8/11.3 0.5/ 1.0 1.0/ 1.5 2-3 None
20/02 AM 9.1/ 9.6 -1.3/-0.8 0.9/ 1.4 1-2 None
20/02 PM 10.1/10.6 -0.2/ 0.2 0.8/ 1.3 1 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
-------- --------- --------- --------- ------- --------
17/09 PM 4.6/ 5.1 0.2/ 0.7 0.4/ 0.9 1 None
18/09 AM 5.5/ 6.0 1.1/ 1.6 0.6/ 1.1 1 None
18/09 PM 4.4/ 4.9 0.0/ 0.5 0.6/ 1.1 2-3 None
19/10 AM 5.1/ 5.6 0.7/ 1.1 0.5/ 1.0 2-3 None
19/10 PM 4.2/ 4.7 -0.2/ 0.2 0.6/ 1.1 1 None
20/11 AM 4.6/ 5.1 0.2/ 0.7 0.4/ 0.9 1 None
Edgartown
MLLW Categories - Minor 4.0 ft, Moderate 5.0 ft, Major 7.0 ft
MHHW Categories - Minor 3.2 ft, Moderate 4.2 ft, Major 6.2 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 AM 2.7/ 3.2 1.9/ 2.3 0.8/ 1.3 1 None
18/01 PM 3.5/ 4.0 2.7/ 3.2 0.8/ 1.3 1 None
19/02 AM 2.5/ 3.0 1.7/ 2.2 0.6/ 1.1 2-3 None
19/02 PM 3.4/ 3.9 2.6/ 3.1 0.8/ 1.3 1 None
20/03 AM 2.5/ 3.0 1.7/ 2.2 0.6/ 1.1 1 None
Vineyard Haven
MLLW Categories - Minor 4.5 ft, Moderate 6.0 ft, Major 7.0 ft
MHHW Categories - Minor 2.5 ft, Moderate 4.0 ft, Major 5.0 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 AM 2.5/ 3.0 0.5/ 1.0 0.8/ 1.3 1 None
18/01 PM 2.7/ 3.2 0.8/ 1.3 0.8/ 1.3 1 None
19/01 AM 2.2/ 2.7 0.2/ 0.7 0.6/ 1.1 2-3 None
19/01 PM 2.6/ 3.1 0.6/ 1.1 0.9/ 1.4 1 None
20/02 AM 2.1/ 2.6 0.1/ 0.6 0.6/ 1.1 1 None
20/02 PM 2.2/ 2.7 0.2/ 0.8 0.7/ 1.1 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
-------- --------- --------- --------- ------- --------
18/02 AM 3.7/ 4.2 0.1/ 0.6 0.8/ 1.3 1 None
18/01 PM 4.7/ 5.2 1.1/ 1.6 0.8/ 1.3 1-2 None
19/02 AM 3.4/ 3.9 -0.2/ 0.2 0.6/ 1.1 2-3 None
19/02 PM 4.5/ 5.0 0.9/ 1.4 0.8/ 1.3 2 None
20/03 AM 3.2/ 3.7 -0.3/ 0.2 0.6/ 1.1 1 None
&&
$$