Coastal Flood Warnings/Watches/Statements Issued by NWS Boston, MA
000
WHUS41 KBOX 011338
CFWBOX
Coastal Hazard Message
National Weather Service Boston/Norton MA
838 AM EST Mon Mar 1 2021
MAZ007-015-016-019-022-011900-
/O.NEW.KBOX.CF.S.0003.210301T1600Z-210301T1900Z/
Eastern Essex MA-Suffolk MA-Eastern Norfolk MA-
Eastern Plymouth MA-Barnstable MA-
838 AM EST Mon Mar 1 2021
* WHAT...Up to one half foot of inundation above ground level
expected in low-lying areas near shorelines and tidal
waterways (3.3 to 12.6 feet Mean Lower Low Water).
* WHERE...Eastern Massachusetts Coast including bay side
of Cape Cod.
* WHEN...11 AM until 2 PM EST this afternoon.
* IMPACTS...Shallow ponding of water on vulnerable 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.
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
-------- --------- --------- --------- ------- --------
01/01 PM 9.9/10.4 0.4/ 0.9 0.7/ 1.1 1 None
02/01 AM 8.5/ 9.0 -1.1/-0.6 -0.7/-0.2 1 None
02/02 PM 8.3/ 8.8 -1.3/-0.8 -0.9/-0.4 1 None
03/02 AM 8.9/ 9.4 -0.7/-0.2 -0.5/ 0.0 1 None
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
-------- --------- --------- --------- ------- --------
01/01 PM 11.4/11.9 1.9/ 2.3 0.8/ 1.3 4-5 Minor
02/01 AM 9.8/10.3 0.2/ 0.8 -0.6/-0.1 5-6 None
02/01 PM 9.6/10.1 0.1/ 0.6 -0.9/-0.4 5-6 None
03/02 AM 10.0/10.5 0.5/ 1.0 -0.5/ 0.0 2-3 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
-------- --------- --------- --------- ------- --------
01/01 PM 12.0/12.5 2.1/ 2.6 0.8/ 1.3 1-2 None
02/01 AM 10.2/10.7 0.2/ 0.8 -0.7/-0.2 2 None
02/01 PM 10.1/10.6 0.2/ 0.7 -0.9/-0.4 2 None
03/02 AM 10.5/11.0 0.6/ 1.1 -0.5/ 0.0 1 None
Boston Harbor
MLLW Categories - Minor 12.5 ft, Moderate 14.5 ft, Major 16.0 ft
MHHW Categories - Minor 2.4 ft, Moderate 4.4 ft, Major 5.9 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
01/01 PM 11.8/12.3 1.7/ 2.2 0.7/ 1.1 1-2 None
02/01 AM 10.2/10.7 0.1/ 0.6 -0.7/-0.2 2 None
02/01 PM 10.1/10.6 0.0/ 0.5 -0.9/-0.4 2 None
03/02 AM 10.5/11.0 0.4/ 0.9 -0.5/ 0.0 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
-------- --------- --------- --------- ------- --------
01/01 PM 11.3/11.8 1.6/ 2.0 0.8/ 1.3 3 Minor
02/01 AM 10.0/10.5 0.2/ 0.8 -0.3/ 0.2 5-6 None
02/01 PM 9.7/10.2 0.0/ 0.5 -0.8/-0.2 5-6 None
03/02 AM 10.2/10.7 0.5/ 1.0 -0.3/ 0.2 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
-------- --------- --------- --------- ------- --------
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
-------- --------- --------- --------- ------- --------
01/09 AM 5.4/ 5.9 1.0/ 1.5 0.9/ 1.4 1 None
01/10 PM 5.1/ 5.6 0.7/ 1.1 0.4/ 0.9 3 None
02/10 AM 3.7/ 4.2 -0.8/-0.2 -0.7/-0.2 3 None
02/11 PM 4.2/ 4.7 -0.2/ 0.3 -0.5/ 0.0 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
-------- --------- --------- --------- ------- --------
01/01 PM 12.0/12.5 1.9/ 2.3 0.9/ 1.4 1-2 None
02/01 AM 10.9/11.4 0.8/ 1.3 0.0/ 0.5 3 None
02/02 PM 10.3/10.8 0.2/ 0.7 -0.7/-0.2 3 None
03/02 AM 10.8/11.3 0.7/ 1.1 -0.2/ 0.2 3-4 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
-------- --------- --------- --------- ------- --------
01/10 AM 3.5/ 4.0 1.5/ 2.0 1.0/ 1.5 1-2 None
01/10 PM 2.7/ 3.2 0.8/ 1.3 0.1/ 0.6 3 None
02/10 AM 2.0/ 2.5 0.0/ 0.5 -0.6/-0.1 3-4 None
02/11 PM 2.2/ 2.7 0.2/ 0.8 -0.5/ 0.0 2-3 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
-------- --------- --------- --------- ------- --------
01/01 PM 12.4/12.9 1.9/ 2.3 1.0/ 1.5 1-2 None
02/01 AM 11.6/12.1 1.1/ 1.6 0.4/ 0.9 4-5 None
02/02 PM 10.8/11.3 0.2/ 0.8 -0.5/ 0.0 5 None
03/02 AM 11.4/11.9 0.9/ 1.4 0.0/ 0.5 2-3 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
-------- --------- --------- --------- ------- --------
01/01 PM 6.2/ 6.7 -1.6/-1.1 0.9/ 1.4 4 None
02/02 AM 4.9/ 5.4 -2.8/-2.3 -0.3/ 0.2 5-6 None
02/02 PM 4.5/ 5.0 -3.2/-2.7 -0.7/-0.2 6-7 None
03/03 AM 5.2/ 5.7 -2.6/-2.1 -0.2/ 0.3 4-5 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
-------- --------- --------- --------- ------- --------
01/01 PM 10.8/11.3 0.5/ 1.0 1.0/ 1.5 1-2 None
02/01 AM 9.6/10.1 -0.8/-0.2 -0.2/ 0.3 5-7 None
02/01 PM 9.0/ 9.5 -1.4/-0.9 -0.7/-0.2 6-7 None
03/02 AM 9.6/10.1 -0.8/-0.2 -0.2/ 0.2 3 None
&&
$$