Alert archive / Massachusetts / Coastal Flood Statements in 2021
Coastal Flood Statement 12, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this coastal flood statement at Nov 5, 2021, 4:03 PM EDT for 8 counties in Massachusetts. It took effect at Nov 6, 2021, 10:00 AM EDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Nov 5, 2021, 4:03 PM EDT (20:03 UTC)
- In effect from
- Nov 6, 2021, 10:00 AM EDT
- Expired
- Nov 6, 2021, 3:23 PM EDT
- In force
- 5 hr
- Issued by
- NWS Boston/Norton, MA
Counties Barnstable County, MA, Dukes County, MA, Essex County, MA, Middlesex County, MA, Nantucket County, MA, Norfolk County, MA, Plymouth County, MA, Suffolk County, MA
The radar
The Boston radar (KBOX), 30 km from the middle of the area, began a volume at 20:06 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 8.1 hours before the alert went out and 215 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1189 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- -92 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
607
WHUS41 KBOX 052003
CFWBOX
Coastal Hazard Message
National Weather Service Boston/Norton MA
403 PM EDT Fri Nov 5 2021
MAZ007-014>016-019-022>024-060915-
/O.NEW.KBOX.CF.S.0012.211106T1400Z-211106T2000Z/
Eastern Essex MA-Southeast Middlesex MA-Suffolk MA-
Eastern Norfolk MA-Eastern Plymouth MA-Barnstable MA-Dukes MA-
Nantucket MA-
403 PM EDT Fri Nov 5 2021
...COASTAL FLOOD STATEMENT IN EFFECT FROM SATURDAY MORNING
THROUGH SATURDAY AFTERNOON...
* WHAT...Up to one half foot of inundation above ground level
expected in low-lying areas near shorelines and tidal
waterways (up to 12.8 feet Mean Lower Low Water).
* WHERE...Eastern Massachusetts coast, Cape Cod, Nantucket
and Martha's Vineyard.
* WHEN...From Saturday morning through Saturday afternoon.
* IMPACTS...Minor coastal flooding is expected in those
locations typically prone during high tides.
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
-------- --------- --------- --------- ------- --------
05/12 PM 10.1/10.6 0.6/ 1.1 0.2/ 0.7 2 None
06/01 AM 8.9/ 9.4 -0.7/-0.2 0.0/ 0.5 2 None
06/01 PM 10.1/10.6 0.6/ 1.1 -0.2/ 0.3 3 None
07/01 AM 8.6/ 9.1 -1.0/-0.5 -0.2/ 0.2 1 None
07/01 PM 10.1/10.6 0.6/ 1.1 -0.2/ 0.3 1 None
08/01 AM 8.6/ 9.1 -1.0/-0.5 0.0/ 0.5 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
-------- --------- --------- --------- ------- --------
05/12 PM 11.5/12.0 2.0/ 2.5 0.2/ 0.7 3 Minor
06/01 AM 10.2/10.7 0.7/ 1.1 0.0/ 0.5 3 None
06/01 PM 11.3/11.8 1.8/ 2.2 -0.2/ 0.3 4 Minor
07/01 AM 9.7/10.2 0.2/ 0.7 -0.5/ 0.0 3 None
07/01 PM 11.3/11.8 1.8/ 2.2 -0.2/ 0.3 3 Minor
08/01 AM 9.8/10.3 0.2/ 0.8 0.0/ 0.5 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
-------- --------- --------- --------- ------- --------
05/12 PM 11.9/12.4 2.0/ 2.5 0.2/ 0.7 1 None
06/01 AM 10.7/11.2 0.8/ 1.3 0.0/ 0.5 1 None
06/01 PM 11.9/12.4 2.0/ 2.5 -0.2/ 0.3 1 None
07/01 AM 10.2/10.7 0.2/ 0.8 -0.3/ 0.2 1 None
07/01 PM 11.9/12.4 2.0/ 2.5 0.0/ 0.5 1 None
08/01 AM 10.3/10.8 0.4/ 0.9 0.1/ 0.6 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
-------- --------- --------- --------- ------- --------
05/12 PM 12.0/12.5 1.9/ 2.3 0.2/ 0.7 1-2 None
06/01 AM 10.7/11.2 0.6/ 1.1 0.0/ 0.5 1 None
06/01 PM 11.9/12.4 1.8/ 2.2 -0.2/ 0.3 1 None
07/01 AM 10.3/10.8 0.2/ 0.7 -0.3/ 0.2 1 None
07/01 PM 11.9/12.4 1.8/ 2.2 0.0/ 0.5 1 None
08/01 AM 10.3/10.8 0.2/ 0.7 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
-------- --------- --------- --------- ------- --------
05/12 PM 11.3/11.8 1.6/ 2.0 0.2/ 0.7 3 Minor
06/01 AM 10.0/10.5 0.2/ 0.8 0.0/ 0.5 2 None
06/01 PM 11.3/11.8 1.6/ 2.0 0.0/ 0.5 3 Minor
07/01 AM 9.6/10.1 -0.2/ 0.3 -0.3/ 0.2 2-3 None
07/01 PM 11.4/11.9 1.7/ 2.2 0.0/ 0.5 2 Minor
08/01 AM 9.8/10.3 0.1/ 0.6 0.1/ 0.6 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
-------- --------- --------- --------- ------- --------
05/01 PM 5.1/ 5.6 0.6/ 1.1 0.2/ 0.7 2 None
06/02 AM 4.2/ 4.7 -0.3/ 0.2 0.2/ 0.7 2 None
06/02 PM 5.1/ 5.6 0.6/ 1.1 0.0/ 0.5 1-2 None
07/01 AM 3.7/ 4.2 -0.9/-0.4 -0.2/ 0.2 2 None
07/01 PM 5.1/ 5.6 0.6/ 1.1 0.0/ 0.5 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
-------- --------- --------- --------- ------- --------
05/09 AM 5.7/ 6.2 1.3/ 1.8 0.2/ 0.7 1 None
05/09 PM 4.7/ 5.2 0.4/ 0.9 0.2/ 0.7 1 None
06/10 AM 5.6/ 6.1 1.2/ 1.7 0.2/ 0.7 1 None
06/10 PM 4.6/ 5.1 0.2/ 0.7 0.1/ 0.6 1 None
07/09 AM 5.4/ 5.9 1.0/ 1.5 0.1/ 0.6 1 None
07/10 PM 4.5/ 5.0 0.1/ 0.6 0.2/ 0.7 1-2 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
-------- --------- --------- --------- ------- --------
05/12 PM 12.0/12.5 1.9/ 2.3 0.2/ 0.7 1 None
06/01 AM 10.7/11.2 0.6/ 1.1 0.0/ 0.5 1 None
06/01 PM 11.9/12.4 1.8/ 2.2 -0.2/ 0.3 1 None
07/01 AM 10.2/10.7 0.1/ 0.6 -0.3/ 0.2 2 None
07/01 PM 11.9/12.4 1.8/ 2.2 0.0/ 0.5 2 None
08/01 AM 10.2/10.7 0.1/ 0.6 0.0/ 0.5 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
-------- --------- --------- --------- ------- --------
05/09 AM 3.4/ 3.9 1.4/ 1.9 0.2/ 0.7 1 None
05/09 PM 2.7/ 3.2 0.8/ 1.3 0.2/ 0.7 1 None
06/10 AM 3.5/ 4.0 1.5/ 2.0 0.2/ 0.7 1 None
06/10 PM 2.6/ 3.1 0.6/ 1.1 0.0/ 0.5 1 None
07/10 AM 3.2/ 3.7 1.2/ 1.7 0.1/ 0.6 1 None
07/10 PM 2.7/ 3.2 0.7/ 1.1 0.2/ 0.7 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
-------- --------- --------- --------- ------- --------
05/12 PM 12.3/12.8 1.8/ 2.2 0.2/ 0.7 1 None
06/01 AM 11.1/11.6 0.6/ 1.1 0.0/ 0.5 1 None
06/01 PM 12.4/12.9 1.9/ 2.3 0.0/ 0.5 1 None
07/01 AM 10.8/11.3 0.2/ 0.8 -0.2/ 0.2 1-2 None
07/01 PM 12.4/12.9 1.9/ 2.3 0.0/ 0.5 1 None
08/01 AM 10.9/11.4 0.4/ 0.9 0.1/ 0.6 2 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
-------- --------- --------- --------- ------- --------
05/01 PM 6.1/ 6.6 -1.7/-1.2 0.2/ 0.7 4 None
06/01 AM 5.0/ 5.5 -2.7/-2.2 0.0/ 0.5 3 None
06/01 PM 5.9/ 6.4 -1.9/-1.4 0.0/ 0.5 3 None
07/01 AM 4.7/ 5.2 -3.1/-2.6 -0.2/ 0.2 2-3 None
07/01 PM 6.0/ 6.5 -1.8/-1.3 0.0/ 0.5 2-3 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
-------- --------- --------- --------- ------- --------
05/12 PM 10.7/11.2 0.4/ 0.9 0.2/ 0.7 2 None
06/01 AM 9.5/10.0 -0.9/-0.4 0.1/ 0.6 1 None
06/01 PM 10.7/11.2 0.4/ 0.9 0.0/ 0.5 1 None
07/01 AM 9.0/ 9.5 -1.4/-0.9 -0.3/ 0.2 1 None
07/01 PM 10.6/11.1 0.2/ 0.8 0.0/ 0.5 1 None
08/01 AM 9.3/ 9.8 -1.1/-0.6 0.2/ 0.7 2-3 None
Vineyard Haven
MLLW Categories - Minor 5.0 ft, Moderate 6.5 ft, Major 8.5 ft
MHHW Categories - Minor 3.0 ft, Moderate 4.5 ft, Major 6.5 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
05/01 PM 2.3/ 2.8 0.4/ 0.9 0.2/ 0.7 1-2 None
06/01 AM 2.0/ 2.5 0.0/ 0.5 0.2/ 0.7 1 None
06/01 PM 2.2/ 2.7 0.2/ 0.7 0.0/ 0.5 1 None
07/01 AM 1.5/ 2.0 -0.6/-0.1 -0.2/ 0.2 1 None
07/01 PM 2.2/ 2.7 0.2/ 0.8 0.2/ 0.7 1 None
08/01 AM 1.9/ 2.3 -0.2/ 0.3 0.2/ 0.7 2 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
-------- --------- --------- --------- ------- --------
05/01 PM 4.2/ 4.7 0.6/ 1.1 0.2/ 0.8 2-3 None
06/01 AM 3.2/ 3.7 -0.3/ 0.2 0.2/ 0.7 1-2 None
06/02 PM 4.0/ 4.5 0.4/ 0.9 0.0/ 0.5 1 None
07/02 AM 3.1/ 3.6 -0.6/-0.1 0.0/ 0.5 2 None
07/01 PM 4.0/ 4.5 0.4/ 0.9 0.0/ 0.5 2 None
&&
$$
Nash2 follow-up statements
189
WHUS41 KBOX 060730
CFWBOX
Coastal Hazard Message
National Weather Service Boston/Norton MA
330 AM EDT Sat Nov 6 2021
MAZ007-014>016-019-022>024-062000-
/O.CON.KBOX.CF.S.0012.211106T1400Z-211106T2000Z/
Eastern Essex MA-Southeast Middlesex MA-Suffolk MA-
Eastern Norfolk MA-Eastern Plymouth MA-Barnstable MA-Dukes MA-
Nantucket MA-
330 AM EDT Sat Nov 6 2021
...COASTAL FLOOD STATEMENT REMAINS IN EFFECT FROM 10 AM EDT 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 (2.4 to 12.7 feet Mean Lower Low Water).
* WHERE...Eastern Norfolk MA, Eastern Plymouth MA, Suffolk MA,
Eastern Essex MA, Barnstable MA, Dukes MA, Nantucket MA and
Southeast Middlesex MA Counties.
* WHEN...From 10 AM EDT this morning through this afternoon.
* IMPACTS...Minor coastal flooding is expected along the North
Shore from Gloucester to Newburyport. Wave action will likely
cause some washover 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.
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
-------- --------- --------- --------- ------- --------
06/01 AM 9.0/ 9.5 -0.6/-0.1 0.1/ 0.6 2 None
06/01 PM 10.3/10.8 0.8/ 1.3 0.1/ 0.6 3 None
07/01 AM 8.7/ 9.2 -0.9/-0.4 -0.2/ 0.3 1 None
07/01 PM 10.2/10.7 0.7/ 1.1 0.0/ 0.5 2 None
08/01 AM 8.6/ 9.1 -1.0/-0.5 0.0/ 0.5 2 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
-------- --------- --------- --------- ------- --------
06/12 AM 10.3/10.8 0.8/ 1.3 0.2/ 0.7 3 None
06/01 PM 11.5/12.0 2.0/ 2.5 0.1/ 0.6 4 Minor
07/01 AM 10.1/10.6 0.6/ 1.1 0.0/ 0.5 3 None
07/01 PM 11.4/11.9 1.9/ 2.3 0.0/ 0.5 2-3 Minor
08/01 AM 9.8/10.3 0.2/ 0.8 0.0/ 0.5 2 None
08/01 PM 11.2/11.7 1.7/ 2.2 0.1/ 0.6 2 Minor
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
-------- --------- --------- --------- ------- --------
06/01 AM 10.7/11.2 0.8/ 1.3 0.0/ 0.5 1 None
06/01 PM 12.1/12.6 2.2/ 2.7 0.1/ 0.6 1 Minor
07/01 AM 10.5/11.0 0.6/ 1.1 0.0/ 0.5 1 None
07/01 PM 11.9/12.4 2.0/ 2.5 0.0/ 0.5 1 None
08/01 AM 10.2/10.7 0.2/ 0.8 0.0/ 0.5 1 None
08/01 PM 11.8/12.3 1.9/ 2.3 0.1/ 0.6 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
-------- --------- --------- --------- ------- --------
06/01 AM 10.8/11.3 0.7/ 1.1 0.1/ 0.6 1 None
06/01 PM 12.1/12.6 2.0/ 2.5 0.1/ 0.6 1 Minor
07/01 AM 10.6/11.1 0.5/ 1.0 0.0/ 0.5 1 None
07/01 PM 12.0/12.5 1.9/ 2.3 0.1/ 0.6 1 None
08/01 AM 10.4/10.9 0.2/ 0.8 0.1/ 0.6 1 None
08/01 PM 11.7/12.2 1.6/ 2.0 0.1/ 0.6 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
-------- --------- --------- --------- ------- --------
06/01 AM 10.2/10.7 0.5/ 1.0 0.2/ 0.7 2 None
06/01 PM 11.4/11.9 1.7/ 2.2 0.1/ 0.6 3 Minor
07/01 AM 9.9/10.4 0.2/ 0.7 0.0/ 0.5 2-3 None
07/01 PM 11.5/12.0 1.8/ 2.2 0.1/ 0.6 2 Minor
08/01 AM 9.8/10.3 0.1/ 0.6 0.1/ 0.6 2 None
08/01 PM 11.4/11.9 1.7/ 2.2 0.2/ 0.7 1-2 Minor
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
-------- --------- --------- --------- ------- --------
06/01 AM 4.0/ 4.5 -0.5/ 0.0 0.1/ 0.6 2 None
06/02 PM 5.2/ 5.7 0.7/ 1.1 0.1/ 0.6 1-2 None
07/01 AM 3.9/ 4.4 -0.7/-0.2 0.0/ 0.5 2 None
07/01 PM 5.2/ 5.7 0.7/ 1.1 0.1/ 0.6 1 None
08/02 AM 4.0/ 4.5 -0.6/-0.1 0.1/ 0.6 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
-------- --------- --------- --------- ------- --------
05/09 PM 4.6/ 5.1 0.2/ 0.7 0.0/ 0.5 1 None
06/09 AM 5.5/ 6.0 1.1/ 1.6 0.2/ 0.7 1 None
06/10 PM 4.5/ 5.0 0.1/ 0.6 0.0/ 0.5 1 None
07/09 AM 5.4/ 5.9 1.0/ 1.5 0.1/ 0.6 1 None
07/10 PM 4.4/ 4.9 0.0/ 0.5 0.1/ 0.6 1 None
08/10 AM 5.1/ 5.6 0.7/ 1.1 0.1/ 0.6 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
-------- --------- --------- --------- ------- --------
06/01 AM 10.8/11.3 0.7/ 1.1 0.1/ 0.6 1 None
06/01 PM 12.1/12.6 2.0/ 2.5 0.1/ 0.6 1 None
07/01 AM 10.5/11.0 0.4/ 0.9 0.0/ 0.5 2 None
07/01 PM 11.9/12.4 1.8/ 2.2 0.0/ 0.5 1 None
08/01 AM 10.3/10.8 0.2/ 0.7 0.1/ 0.6 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
-------- --------- --------- --------- ------- --------
05/09 PM 2.7/ 3.2 0.8/ 1.3 0.2/ 0.7 1 None
06/10 AM 3.4/ 3.9 1.4/ 1.9 0.1/ 0.6 1 None
06/10 PM 2.6/ 3.1 0.6/ 1.1 0.0/ 0.5 1 None
07/09 AM 3.2/ 3.7 1.2/ 1.7 0.1/ 0.6 1 None
07/10 PM 2.7/ 3.2 0.7/ 1.1 0.2/ 0.7 1 None
08/10 AM 3.0/ 3.5 1.0/ 1.5 0.1/ 0.6 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
-------- --------- --------- --------- ------- --------
06/01 AM 11.2/11.7 0.7/ 1.1 0.1/ 0.6 1 None
06/01 PM 12.6/13.1 2.1/ 2.6 0.2/ 0.7 1 Minor
07/01 AM 11.1/11.6 0.6/ 1.1 0.1/ 0.6 1-2 None
07/01 PM 12.5/13.0 2.0/ 2.5 0.1/ 0.6 1 None
08/01 AM 11.0/11.5 0.5/ 1.0 0.2/ 0.7 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
-------- --------- --------- --------- ------- --------
06/01 AM 5.2/ 5.7 -2.6/-2.1 0.2/ 0.7 3 None
06/02 PM 6.1/ 6.6 -1.7/-1.2 0.1/ 0.6 3 None
07/01 AM 4.9/ 5.4 -2.8/-2.3 0.0/ 0.5 2-3 None
07/01 PM 6.0/ 6.5 -1.8/-1.3 0.0/ 0.5 2 None
08/02 AM 4.9/ 5.4 -2.8/-2.3 0.1/ 0.6 2-3 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
-------- --------- --------- --------- ------- --------
06/01 AM 9.6/10.1 -0.8/-0.2 0.2/ 0.7 1 None
06/01 PM 10.9/11.4 0.6/ 1.1 0.2/ 0.7 1 None
07/01 AM 9.5/10.0 -0.9/-0.4 0.2/ 0.7 1 None
07/01 PM 10.7/11.2 0.4/ 0.9 0.1/ 0.6 1 None
08/01 AM 9.3/ 9.8 -1.1/-0.6 0.2/ 0.7 1 None
08/01 PM 10.6/11.1 0.2/ 0.8 0.2/ 0.7 1 None
Vineyard Haven
MLLW Categories - Minor 5.0 ft, Moderate 6.5 ft, Major 8.5 ft
MHHW Categories - Minor 3.0 ft, Moderate 4.5 ft, Major 6.5 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
06/01 AM 2.1/ 2.6 0.1/ 0.6 0.2/ 0.8 1 None
06/01 PM 2.2/ 2.7 0.2/ 0.8 0.1/ 0.6 1 None
07/01 AM 1.9/ 2.3 -0.2/ 0.3 0.2/ 0.7 1 None
07/01 PM 2.2/ 2.7 0.2/ 0.8 0.2/ 0.7 1 None
08/01 AM 1.9/ 2.3 -0.2/ 0.3 0.2/ 0.7 1 None
08/01 PM 2.2/ 2.7 0.2/ 0.7 0.2/ 0.8 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
-------- --------- --------- --------- ------- --------
06/02 AM 3.4/ 3.9 -0.2/ 0.2 0.2/ 0.8 1-2 None
06/02 PM 4.2/ 4.7 0.6/ 1.1 0.2/ 0.7 1 None
07/02 AM 3.2/ 3.7 -0.5/ 0.0 0.1/ 0.6 2 None
07/01 PM 4.2/ 4.7 0.6/ 1.1 0.2/ 0.7 1 None
08/02 AM 3.2/ 3.7 -0.5/ 0.0 0.2/ 0.7 1-2 None
&&
$$
Gaucher465
WHUS41 KBOX 061923
CFWBOX
Coastal Hazard Message
National Weather Service Boston/Norton MA
323 PM EDT Sat Nov 6 2021
MAZ007-015-016-019-022>024-070830-
/O.CAN.KBOX.CF.S.0012.000000T0000Z-211106T2000Z/
/O.NEW.KBOX.CF.S.0013.211107T1300Z-211107T2000Z/
Eastern Essex MA-Suffolk MA-Eastern Norfolk MA-
Eastern Plymouth MA-Barnstable MA-Dukes MA-Nantucket MA-
323 PM EDT Sat Nov 6 2021
...COASTAL FLOOD STATEMENT IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY AFTERNOON...
* WHAT...Up to one half foot of inundation above ground level
expected in low-lying areas near shorelines and tidal
waterways (2.3 to 12.6 feet Mean Lower Low Water).
* WHERE...Eastern Norfolk MA, Eastern Plymouth MA, Suffolk MA,
Eastern Essex MA, Barnstable MA, Dukes MA and Nantucket MA
Counties.
* WHEN...From Sunday morning through Sunday afternoon.
* IMPACTS...Minor coastal flooding is expected along the North
Shore from Gloucester to Newburyport. Wave action will likely
cause some washover 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.
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
-------- --------- --------- --------- ------- --------
06/01 PM 10.2/10.7 0.7/ 1.1 0.0/ 0.5 3 None
07/01 AM 8.6/ 9.1 -1.0/-0.5 -0.2/ 0.2 3 None
07/01 PM 10.1/10.6 0.6/ 1.1 -0.2/ 0.3 2 None
08/01 AM 8.5/ 9.0 -1.1/-0.6 -0.2/ 0.3 1 None
08/02 PM 9.9/10.4 0.4/ 0.9 -0.2/ 0.3 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
-------- --------- --------- --------- ------- --------
06/01 PM 11.4/11.9 1.9/ 2.3 0.0/ 0.5 3 Minor
07/01 AM 10.0/10.5 0.5/ 1.0 -0.2/ 0.3 3-4 None
07/01 PM 11.3/11.8 1.8/ 2.2 -0.2/ 0.3 2-3 Minor
08/01 AM 9.7/10.2 0.2/ 0.7 -0.2/ 0.3 1-2 None
08/01 PM 11.0/11.5 1.5/ 2.0 -0.2/ 0.3 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
-------- --------- --------- --------- ------- --------
06/01 PM 11.9/12.4 2.0/ 2.5 -0.2/ 0.3 1 None
07/01 AM 10.3/10.8 0.4/ 0.9 -0.2/ 0.2 1 None
07/01 PM 11.7/12.2 1.8/ 2.2 -0.2/ 0.2 1 None
08/01 AM 10.1/10.6 0.2/ 0.7 -0.2/ 0.3 1 None
08/01 PM 11.6/12.1 1.7/ 2.2 -0.2/ 0.3 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
-------- --------- --------- --------- ------- --------
06/01 PM 12.0/12.5 1.9/ 2.3 0.0/ 0.5 2 None
07/01 AM 10.5/11.0 0.4/ 0.9 -0.2/ 0.3 2 None
07/01 PM 11.8/12.3 1.7/ 2.2 -0.2/ 0.3 2 None
08/01 AM 10.2/10.7 0.1/ 0.6 -0.2/ 0.3 1 None
08/01 PM 11.6/12.1 1.5/ 2.0 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
-------- --------- --------- --------- ------- --------
06/01 PM 11.3/11.8 1.6/ 2.0 0.0/ 0.5 3 Minor
07/01 AM 9.8/10.3 0.1/ 0.6 -0.2/ 0.3 3 None
07/01 PM 11.3/11.8 1.6/ 2.0 -0.2/ 0.3 2 Minor
08/01 AM 9.7/10.2 0.0/ 0.5 0.0/ 0.5 1 None
08/01 PM 11.2/11.7 1.5/ 2.0 0.0/ 0.5 1 Minor
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
-------- --------- --------- --------- ------- --------
06/02 PM 5.1/ 5.6 0.6/ 1.1 0.0/ 0.5 1 None
07/02 AM 3.7/ 4.2 -0.8/-0.2 -0.2/ 0.3 1 None
07/02 PM 5.1/ 5.6 0.6/ 1.1 0.0/ 0.5 1 None
08/03 AM 3.7/ 4.2 -0.8/-0.2 0.0/ 0.5 1 None
08/02 PM 5.1/ 5.6 0.6/ 1.1 0.0/ 0.5 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
-------- --------- --------- --------- ------- --------
06/09 AM 5.2/ 5.7 0.9/ 1.4 0.0/ 0.5 1 None
06/10 PM 4.4/ 4.9 0.0/ 0.5 -0.2/ 0.3 1 None
07/09 AM 5.2/ 5.7 0.8/ 1.3 -0.2/ 0.3 1 None
07/10 PM 4.2/ 4.7 -0.2/ 0.2 -0.2/ 0.3 1 None
08/10 AM 4.9/ 5.4 0.5/ 1.0 -0.2/ 0.3 1 None
08/10 PM 3.9/ 4.4 -0.6/-0.1 0.0/ 0.5 1-2 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
-------- --------- --------- --------- ------- --------
06/01 PM 11.9/12.4 1.8/ 2.2 -0.2/ 0.3 1 None
07/01 AM 10.4/10.9 0.2/ 0.8 -0.2/ 0.3 1 None
07/01 PM 11.8/12.3 1.7/ 2.2 -0.2/ 0.3 1 None
08/01 AM 10.2/10.7 0.1/ 0.6 0.0/ 0.5 1-2 None
08/02 PM 11.5/12.0 1.4/ 1.9 -0.2/ 0.3 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
-------- --------- --------- --------- ------- --------
06/10 AM 3.2/ 3.7 1.3/ 1.8 0.0/ 0.5 1 None
06/10 PM 2.6/ 3.1 0.6/ 1.1 0.0/ 0.5 1 None
07/09 AM 3.0/ 3.5 1.0/ 1.5 -0.2/ 0.3 1 None
07/10 PM 2.5/ 3.0 0.5/ 1.0 0.0/ 0.5 1 None
08/10 AM 2.7/ 3.2 0.8/ 1.3 -0.2/ 0.3 1 None
08/11 PM 2.2/ 2.7 0.2/ 0.8 -0.2/ 0.3 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
-------- --------- --------- --------- ------- --------
06/01 PM 12.5/13.0 2.0/ 2.5 0.1/ 0.6 1 None
07/01 AM 11.0/11.5 0.5/ 1.0 0.0/ 0.5 1 None
07/01 PM 12.4/12.9 1.9/ 2.3 0.0/ 0.5 1 None
08/01 AM 10.8/11.3 0.2/ 0.8 0.0/ 0.5 1 None
08/02 PM 12.2/12.7 1.7/ 2.2 0.0/ 0.5 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
-------- --------- --------- --------- ------- --------
06/02 PM 6.0/ 6.5 -1.8/-1.3 0.0/ 0.5 3 None
07/01 AM 4.7/ 5.2 -3.0/-2.5 -0.2/ 0.3 2-3 None
07/01 PM 5.9/ 6.4 -1.9/-1.4 -0.2/ 0.3 2-3 None
08/02 AM 4.7/ 5.2 -3.1/-2.6 -0.2/ 0.3 2 None
08/02 PM 5.9/ 6.4 -1.9/-1.4 0.0/ 0.5 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
-------- --------- --------- --------- ------- --------
06/01 PM 10.7/11.2 0.4/ 0.9 0.0/ 0.5 1 None
07/01 AM 9.3/ 9.8 -1.1/-0.6 0.0/ 0.5 1 None
07/01 PM 10.5/11.0 0.2/ 0.7 -0.2/ 0.3 1 None
08/01 AM 9.1/ 9.6 -1.3/-0.8 0.0/ 0.5 1 None
08/01 PM 10.5/11.0 0.2/ 0.7 0.1/ 0.6 1 None
Vineyard Haven
MLLW Categories - Minor 5.0 ft, Moderate 6.5 ft, Major 8.5 ft
MHHW Categories - Minor 3.0 ft, Moderate 4.5 ft, Major 6.5 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
06/01 PM 2.2/ 2.7 0.2/ 0.7 0.0/ 0.5 1 None
07/01 AM 1.8/ 2.2 -0.2/ 0.2 0.1/ 0.6 1 None
07/01 PM 2.1/ 2.6 0.1/ 0.6 0.0/ 0.5 1 None
08/01 AM 1.7/ 2.2 -0.3/ 0.2 0.0/ 0.5 1 None
08/01 PM 2.0/ 2.5 0.0/ 0.5 0.1/ 0.6 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
-------- --------- --------- --------- ------- --------
06/02 PM 4.0/ 4.5 0.4/ 0.9 0.0/ 0.5 1 None
07/02 AM 3.0/ 3.5 -0.7/-0.2 -0.2/ 0.3 1 None
07/01 PM 4.0/ 4.5 0.4/ 0.9 0.0/ 0.5 1 None
08/02 AM 3.0/ 3.5 -0.7/-0.2 0.0/ 0.5 2 None
08/03 PM 4.0/ 4.5 0.4/ 0.9 0.0/ 0.5 2 None
&&
$$
MAZ014-062030-
/O.CAN.KBOX.CF.S.0012.000000T0000Z-211106T2000Z/
Southeast Middlesex MA-
323 PM EDT Sat Nov 6 2021
...COASTAL FLOOD STATEMENT IS CANCELLED...
$$
SmithThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 5, 3:43 AM EDT | Small Craft Advisory | BOX | 15 hr | |
| Nov 5, 3:45 AM EDT | Coastal Flood Statement | BOX | Essex, Norfolk, Plymouth, Suffolk | 11 hr |
Nearby
Coastal Flood Statements in Massachusetts, 2021Every coastal flood statement in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.