Coastal Flood Warnings/Watches/Statements
Issued by NWS Boston, MA
Issued by NWS Boston, MA
Versions:
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877
WHUS41 KBOX 180550
CFWBOX
Coastal Hazard Message
National Weather Service Boston/Norton MA
150 AM EDT Fri Oct 18 2024
MAZ007-015-016-019-022>024-181900-
/O.CON.KBOX.CF.Y.0012.241018T1400Z-241018T1900Z/
Eastern Essex MA-Suffolk MA-Eastern Norfolk MA-
Eastern Plymouth MA-Barnstable MA-Dukes MA-Nantucket MA-
150 AM EDT Fri Oct 18 2024
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 10 AM THIS
MORNING TO 3 PM EDT THIS AFTERNOON...
* WHAT...Up to one foot of inundation above ground level
expected in low-lying areas near shorelines and tidal
waterways (3.2 to 13.5 feet Mean Lower Low Water).
* WHERE...Eastern Essex MA, Suffolk MA, Eastern Norfolk MA,
Eastern Plymouth MA, Barnstable MA, Dukes MA and Nantucket MA
Counties.
* WHEN...From 10 AM this morning to 3 PM EDT this afternoon.
* IMPACTS...Shallow pockets of flooding less than one foot deep
affects the lowest lying areas along the coast, including
Morrissey Boulevard in Boston. 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. Low lying areas and roads near
Nantucket Harbor, including Easy Street, may experience pockets of
shallow flooding less than one foot deep.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.
&&
&&
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 PM 11.7/12.2 2.2/ 2.7 0.4/ 0.9 4-5 Minor
19/01 AM 10.4/10.9 0.9/ 1.4 0.1/ 0.6 5 None
19/01 PM 11.2/11.7 1.7/ 2.2 -0.2/ 0.3 4 None
20/02 AM 9.8/10.3 0.2/ 0.8 -0.2/ 0.2 3-4 None
20/02 PM 11.0/11.5 1.5/ 2.0 -0.2/ 0.3 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
-------- --------- --------- --------- ------- --------
18/01 PM 10.5/11.0 1.0/ 1.5 0.4/ 0.9 3 None
19/01 AM 9.2/ 9.7 -0.3/ 0.2 0.1/ 0.6 3 None
19/01 PM 10.2/10.7 0.7/ 1.1 0.0/ 0.5 3 None
20/02 AM 8.6/ 9.1 -1.0/-0.5 -0.2/ 0.2 3-4 None
20/02 PM 10.1/10.6 0.6/ 1.1 0.0/ 0.5 2-3 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 PM 12.4/12.9 2.2/ 2.7 0.6/ 1.1 2 Minor
19/01 AM 11.1/11.6 1.0/ 1.5 0.2/ 0.8 1 None
19/01 PM 11.9/12.4 1.8/ 2.2 0.1/ 0.6 1 None
20/02 AM 10.4/10.9 0.2/ 0.8 0.0/ 0.5 1 None
20/02 PM 11.7/12.2 1.6/ 2.0 0.1/ 0.6 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 PM 12.4/12.9 2.5/ 3.0 0.6/ 1.1 2 Minor
19/01 AM 11.0/11.5 1.1/ 1.6 0.2/ 0.7 1 None
19/01 PM 11.9/12.4 2.0/ 2.5 0.1/ 0.6 1 None
20/02 AM 10.3/10.8 0.4/ 0.9 -0.2/ 0.3 1 None
20/02 PM 11.6/12.1 1.7/ 2.2 0.0/ 0.5 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 PM 11.9/12.4 2.2/ 2.7 0.6/ 1.1 4 Minor
19/01 AM 10.4/10.9 0.7/ 1.1 0.2/ 0.7 4 None
19/01 PM 11.4/11.9 1.7/ 2.2 0.0/ 0.5 3 Minor
20/02 AM 9.7/10.2 0.0/ 0.5 -0.2/ 0.2 3 None
20/02 PM 11.3/11.8 1.6/ 2.0 0.0/ 0.5 2 Minor
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
-------- --------- --------- --------- ------- --------
18/09 AM 3.7/ 4.2 1.7/ 2.2 0.4/ 0.9 3 None
18/09 PM 2.8/ 3.4 0.9/ 1.4 0.2/ 0.8 2 None
19/10 AM 3.4/ 3.9 1.4/ 1.9 0.1/ 0.6 2 None
19/10 PM 2.3/ 2.8 0.4/ 0.9 -0.2/ 0.2 1-2 None
20/11 AM 3.0/ 3.5 1.0/ 1.5 -0.2/ 0.3 1-2 None
20/11 PM 2.2/ 2.7 0.2/ 0.7 -0.2/ 0.2 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 6.1/ 6.6 -1.7/-1.2 0.6/ 1.1 3-4 None
18/01 PM 6.9/ 7.4 -0.9/-0.4 0.7/ 1.1 5-6 None
19/01 AM 5.7/ 6.2 -2.0/-1.5 0.5/ 1.0 5 None
19/02 PM 6.5/ 7.0 -1.3/-0.8 0.2/ 0.7 4 None
20/02 AM 5.2/ 5.7 -2.5/-2.0 0.1/ 0.6 3 None
20/03 PM 6.2/ 6.8 -1.5/-1.0 0.1/ 0.6 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
-------- --------- --------- --------- ------- --------
18/01 AM 4.7/ 5.2 0.2/ 0.7 0.4/ 0.9 3 None
18/01 PM 5.7/ 6.2 1.2/ 1.7 0.7/ 1.1 5 None
19/02 AM 4.6/ 5.1 0.1/ 0.6 0.4/ 0.9 4 None
19/02 PM 5.2/ 5.7 0.8/ 1.3 0.2/ 0.7 3 None
20/03 AM 4.2/ 4.7 -0.3/ 0.2 0.1/ 0.6 2 None
20/03 PM 5.2/ 5.7 0.7/ 1.1 0.1/ 0.6 2 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 PM 12.5/13.0 2.3/ 2.8 0.6/ 1.1 5 None
19/01 AM 11.1/11.6 1.0/ 1.5 0.2/ 0.7 4 None
19/01 PM 11.8/12.3 1.7/ 2.2 0.0/ 0.5 3 None
20/02 AM 10.4/10.9 0.2/ 0.8 -0.2/ 0.3 2 None
20/02 PM 11.6/12.1 1.5/ 2.0 0.0/ 0.5 1-2 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
-------- --------- --------- --------- ------- --------
18/12 PM 13.3/13.8 2.7/ 3.2 0.9/ 1.4 3 Minor
19/01 AM 11.8/12.3 1.3/ 1.8 0.5/ 1.0 2-3 None
19/01 PM 12.9/13.4 2.3/ 2.8 0.4/ 0.9 2 Minor
20/02 AM 11.1/11.6 0.6/ 1.1 0.1/ 0.6 1 None
20/02 PM 12.6/13.1 2.1/ 2.6 0.2/ 0.8 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 PM 11.6/12.1 1.3/ 1.8 0.9/ 1.4 2-3 None
19/01 AM 10.2/10.7 -0.2/ 0.3 0.6/ 1.1 2 None
19/01 PM 11.0/11.5 0.7/ 1.1 0.2/ 0.8 1 None
20/02 AM 9.5/10.0 -0.9/-0.4 0.2/ 0.7 2 None
20/02 PM 10.7/11.2 0.4/ 0.9 0.2/ 0.7 2 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
-------- --------- --------- --------- ------- --------
18/09 AM 5.1/ 5.6 0.7/ 1.1 -0.6/-0.1 3 None
18/09 PM 4.2/ 4.7 -0.2/ 0.2 -0.6/-0.1 1 None
19/10 AM 4.9/ 5.4 0.5/ 1.0 -0.7/-0.2 1 None
19/10 PM 3.7/ 4.2 -0.8/-0.2 -0.9/-0.4 1-2 None
20/11 AM 4.6/ 5.1 0.2/ 0.7 -0.7/-0.2 1 None
20/11 PM 3.2/ 3.7 -1.3/-0.8 -1.1/-0.6 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 2.0/ 2.5 0.7/ 1.1 2-3 None
18/12 PM 3.5/ 4.0 2.7/ 3.2 0.8/ 1.3 3 None
19/02 AM 2.6/ 3.1 1.8/ 2.2 0.6/ 1.1 3 None
19/02 PM 3.1/ 3.6 2.2/ 2.7 0.2/ 0.8 2 None
20/02 AM 2.0/ 2.5 1.2/ 1.7 0.1/ 0.6 1 None
20/03 PM 3.0/ 3.5 2.2/ 2.7 0.2/ 0.7 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 2.6/ 3.1 0.6/ 1.1 0.7/ 1.1 2-3 None
18/01 PM 3.0/ 3.5 1.0/ 1.5 0.8/ 1.3 3 None
19/01 AM 2.3/ 2.8 0.4/ 0.9 0.5/ 1.0 2 None
19/02 PM 2.5/ 3.0 0.5/ 1.0 0.2/ 0.8 2 None
20/02 AM 1.8/ 2.2 -0.2/ 0.2 0.0/ 0.5 1 None
20/03 PM 2.2/ 2.7 0.2/ 0.8 0.2/ 0.7 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
-------- --------- --------- --------- ------- --------
18/01 AM 4.2/ 4.7 0.7/ 1.1 0.9/ 1.4 3-4 None
18/01 PM 4.9/ 5.4 1.3/ 1.8 0.9/ 1.4 5-6 Minor
19/02 AM 3.7/ 4.2 0.2/ 0.7 0.6/ 1.1 4-5 None
19/02 PM 4.2/ 4.7 0.7/ 1.1 0.2/ 0.8 3-4 None
20/03 AM 3.2/ 3.7 -0.3/ 0.2 0.2/ 0.7 2 None
20/03 PM 4.2/ 4.7 0.6/ 1.1 0.2/ 0.7 2 None
&&
$$