Alert archive / Massachusetts / Coastal Flood Statements in 2021
Coastal Flood Statement 4, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this coastal flood statement at Apr 28, 2021, 4:16 AM EDT for 8 counties in Massachusetts; 5 counties in Rhode Island. It took effect at Apr 28, 2021, 8:00 PM EDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Apr 28, 2021, 4:16 AM EDT (08:16 UTC)
- In effect from
- Apr 28, 2021, 8:00 PM EDT
- Expired
- Apr 29, 2021, 3:00 AM EDT
- In force
- 7 hr
- Issued by
- NWS Boston/Norton, MA
Counties Barnstable County, MA, Bristol County, MA, Dukes County, MA, Essex County, MA, Nantucket County, MA, Norfolk County, MA, Plymouth County, MA, Suffolk County, MA, Bristol County, RI, Kent County, RI, Newport County, RI, Providence County, RI, Washington County, RI
The radar
The Boston radar (KBOX), 20 km from the middle of the area, began a volume at 08:20 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 00:00Z, 8.3 hours before the alert went out and 186 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
- 2384 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 125 m²/s²
- 0-3 km storm-relative helicity
- 186 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
286
WHUS41 KBOX 280816
CFWBOX
Coastal Hazard Message
National Weather Service Boston/Norton MA
416 AM EDT Wed Apr 28 2021
MAZ020-021-RIZ002-004>008-282130-
/O.NEW.KBOX.CF.S.0004.210429T0000Z-210429T0400Z/
Southern Bristol MA-Southern Plymouth MA-Southeast Providence RI-
Eastern Kent RI-Bristol RI-Washington RI-Newport RI-
Block Island RI-
416 AM EDT Wed Apr 28 2021
* WHAT...up to one foot of inundation above ground level expected in
low-lying areas near shorelines and tidal waterways
(4.3 to 6.8 feet Mean Lower Low Water).
* WHERE...In Massachusetts, Southern Bristol MA and Southern
Plymouth MA Counties. In Rhode Island, Washington RI, Bristol
RI, Eastern Kent RI, Block Island RI, Southeast Providence RI
and Newport RI Counties.
* WHEN...This evening.
* IMPACTS...Some water on low lying roads and property.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Do not drive through flooded roadways.
&&
&&
Time of high total tides are approximate to the nearest hour.
Narragansett Bay at Fox Point
MLLW Categories - Minor 7.0 ft, Moderate 9.0 ft, Major 10.5 ft
MHHW Categories - Minor 2.3 ft, Moderate 4.3 ft, Major 5.8 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
27/09 AM 4.7/ 5.2 0.1/ 0.6 -0.3/ 0.2 1 None
27/09 PM 5.9/ 6.4 1.2/ 1.7 -0.2/ 0.2 1 None
28/10 AM 5.1/ 5.6 0.4/ 0.9 0.1/ 0.6 1 None
28/10 PM 6.4/ 6.9 1.7/ 2.2 0.4/ 0.9 1 None
29/11 AM 5.2/ 5.7 0.5/ 1.0 0.2/ 0.8 1 None
29/11 PM 6.4/ 6.9 1.7/ 2.2 0.6/ 1.1 1 None
Narragansett Bay at Conimicut Point
MLLW Categories - Minor 7.0 ft, Moderate 8.5 ft, Major 10.0 ft
MHHW Categories - Minor 2.4 ft, Moderate 3.9 ft, Major 5.4 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
27/09 AM 4.6/ 5.1 0.0/ 0.5 -0.5/ 0.0 1 None
27/09 PM 5.7/ 6.2 1.1/ 1.6 -0.2/ 0.2 1 None
28/10 AM 5.1/ 5.6 0.5/ 1.0 0.1/ 0.6 1 None
28/10 PM 6.2/ 6.7 1.6/ 2.0 0.4/ 0.9 1 None
29/11 AM 5.1/ 5.6 0.5/ 1.0 0.2/ 0.8 1 None
29/11 PM 6.2/ 6.7 1.6/ 2.0 0.6/ 1.1 1 None
Narragansett Bay at Quonset Point
MLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.5 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
-------- --------- --------- --------- ------- --------
27/09 AM 4.0/ 4.5 -0.2/ 0.3 -0.5/ 0.0 1 None
27/09 PM 5.1/ 5.6 1.0/ 1.5 -0.2/ 0.2 1 None
28/10 AM 4.4/ 4.9 0.2/ 0.8 0.0/ 0.5 1 None
28/10 PM 5.5/ 6.0 1.4/ 1.9 0.2/ 0.8 1 None
29/10 AM 4.4/ 4.9 0.2/ 0.8 0.2/ 0.7 1 None
29/11 PM 5.4/ 5.9 1.3/ 1.8 0.4/ 0.9 1 None
Mount Hope Bay near Bristol Point RI
MLLW Categories - Minor 7.0 ft, Moderate 9.5 ft, Major 12.0 ft
MHHW Categories - Minor 2.5 ft, Moderate 5.0 ft, Major 7.5 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
27/09 AM 4.2/ 4.7 -0.2/ 0.2 -0.5/ 0.0 1 None
27/09 PM 5.2/ 5.7 0.8/ 1.3 -0.2/ 0.2 1 None
28/10 AM 4.7/ 5.2 0.2/ 0.7 0.1/ 0.6 1 None
28/10 PM 5.7/ 6.2 1.2/ 1.7 0.2/ 0.8 1 None
29/11 AM 4.7/ 5.2 0.2/ 0.7 0.2/ 0.8 1 None
29/11 PM 5.7/ 6.2 1.2/ 1.7 0.5/ 1.0 1 None
Westerly RI at Watch Hill
MLLW Categories - Minor 5.0 ft, Moderate 8.0 ft, Major 9.5 ft
MHHW Categories - Minor 1.9 ft, Moderate 4.9 ft, Major 6.4 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
27/09 AM 2.7/ 3.2 -0.3/ 0.2 -0.2/ 0.3 2 None
27/09 PM 3.5/ 4.0 0.4/ 0.9 0.0/ 0.5 2 None
28/10 AM 3.0/ 3.5 -0.2/ 0.3 0.1/ 0.6 2 None
28/11 PM 3.9/ 4.4 0.8/ 1.3 0.2/ 0.7 2 None
29/11 AM 3.0/ 3.5 -0.2/ 0.3 0.2/ 0.7 2-3 None
30/12 AM 3.9/ 4.4 0.8/ 1.3 0.4/ 0.9 3 None
Newport Harbor
MLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.0 ft
MHHW Categories - Minor 1.9 ft, Moderate 3.4 ft, Major 4.9 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
27/09 AM 3.7/ 4.2 -0.3/ 0.2 -0.5/ 0.0 1 None
27/09 PM 4.7/ 5.2 0.6/ 1.1 -0.3/ 0.2 1-2 None
28/09 AM 4.0/ 4.5 0.0/ 0.5 0.0/ 0.5 1 None
28/10 PM 5.2/ 5.7 1.1/ 1.6 0.2/ 0.8 1 None
29/10 AM 4.2/ 4.7 0.1/ 0.6 0.2/ 0.7 1 None
29/11 PM 5.1/ 5.6 1.0/ 1.5 0.4/ 0.9 1 None
Newport South Coast Beaches
MLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.0 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
-------- --------- --------- --------- ------- --------
27/08 AM 3.2/ 3.7 -0.2/ 0.2 -0.5/ 0.0 2 None
27/09 PM 4.2/ 4.7 0.8/ 1.3 -0.3/ 0.2 2 None
28/09 AM 3.7/ 4.2 0.2/ 0.7 -0.2/ 0.3 2 None
28/10 PM 4.7/ 5.2 1.2/ 1.7 0.2/ 0.7 1 None
29/10 AM 3.9/ 4.4 0.4/ 0.9 0.2/ 0.7 1 None
29/10 PM 4.6/ 5.1 1.1/ 1.6 0.4/ 0.9 1 None
Block Island at Old Harbor
MLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.0 ft
MHHW Categories - Minor 2.7 ft, Moderate 4.2 ft, Major 5.7 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
27/08 AM 2.7/ 3.2 -0.6/-0.1 -0.3/ 0.2 2 None
27/09 PM 3.6/ 4.1 0.2/ 0.8 -0.5/ 0.0 2 None
28/09 AM 3.0/ 3.5 -0.3/ 0.2 -0.2/ 0.3 2 None
28/10 PM 4.0/ 4.5 0.7/ 1.1 0.1/ 0.6 2-4 None
29/10 AM 3.1/ 3.6 -0.2/ 0.2 0.1/ 0.6 3 None
29/10 PM 4.0/ 4.5 0.7/ 1.1 0.2/ 0.8 4 None
New Bedford Hurricane Barrier
MLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.5 ft
MHHW Categories - Minor 2.1 ft, Moderate 3.6 ft, Major 5.6 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
27/09 AM 3.7/ 4.2 -0.2/ 0.3 -0.5/ 0.0 1 None
27/09 PM 4.7/ 5.2 0.9/ 1.4 -0.2/ 0.2 1 None
28/10 AM 4.2/ 4.7 0.2/ 0.8 0.1/ 0.6 1 None
28/10 PM 5.2/ 5.7 1.3/ 1.8 0.2/ 0.8 1-2 None
29/10 AM 4.2/ 4.7 0.2/ 0.8 0.2/ 0.7 2 None
29/11 PM 5.1/ 5.6 1.2/ 1.7 0.4/ 0.9 3 None
Westport
MLLW Categories - Minor 6.0 ft, Moderate 8.0 ft, Major 10.0 ft
MHHW Categories - Minor 2.5 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
-------- --------- --------- --------- ------- --------
27/09 AM 3.2/ 3.7 -0.3/ 0.2 -0.5/ 0.0 2 None
27/09 PM 3.9/ 4.4 0.4/ 0.9 -0.3/ 0.2 2-3 None
28/10 AM 3.6/ 4.1 0.1/ 0.6 0.0/ 0.5 2 None
28/10 PM 4.4/ 4.9 0.9/ 1.4 0.2/ 0.7 2-3 None
29/11 AM 3.5/ 4.0 0.0/ 0.5 0.1/ 0.6 3 None
29/11 PM 4.4/ 4.9 0.9/ 1.4 0.2/ 0.8 3 None
Mount Hope Bay near Fall River MA
MLLW Categories - Minor 7.0 ft, Moderate 9.5 ft, Major 12.0 ft
MHHW Categories - Minor 2.3 ft, Moderate 4.8 ft, Major 7.3 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
27/09 AM 4.9/ 5.4 0.2/ 0.7 -0.3/ 0.2 1 None
27/09 PM 5.9/ 6.4 1.2/ 1.7 -0.2/ 0.2 1 None
28/10 AM 5.2/ 5.7 0.6/ 1.1 0.1/ 0.6 1 None
28/10 PM 6.5/ 7.0 1.8/ 2.2 0.4/ 0.9 1 None
29/11 AM 5.2/ 5.7 0.6/ 1.1 0.2/ 0.7 1 None
29/11 PM 6.2/ 6.8 1.6/ 2.0 0.5/ 1.0 1 None
Buzzards Bay at Mattapoisett
MLLW Categories - Minor 8.5 ft, Moderate 10.0 ft, Major 12.0 ft
MHHW Categories - Minor 4.4 ft, Moderate 5.9 ft, Major 7.9 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
27/09 AM 4.0/ 4.5 0.0/ 0.5 -0.5/ 0.0 1 None
27/09 PM 5.2/ 5.7 1.1/ 1.6 -0.2/ 0.2 1 None
28/10 AM 4.5/ 5.0 0.4/ 0.9 0.1/ 0.6 1 None
28/10 PM 5.7/ 6.2 1.6/ 2.0 0.2/ 0.8 1-2 None
29/10 AM 4.5/ 5.0 0.4/ 0.9 0.2/ 0.7 2 None
29/11 PM 5.5/ 6.0 1.4/ 1.9 0.4/ 0.9 3 None
&&
$$
MAZ007-015-016-019-022>024-282130-
/O.NEW.KBOX.CF.S.0004.210429T0300Z-210429T0700Z/
Eastern Essex MA-Suffolk MA-Eastern Norfolk MA-
Eastern Plymouth MA-Barnstable MA-Dukes MA-Nantucket MA-
416 AM EDT Wed Apr 28 2021
* WHAT...Up to one foot of inundation above ground level
expected in low-lying areas near shorelines and tidal
waterways (2.8 to 13.4 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 this evening through late tonight.
* IMPACTS...Coastal flooding is expected along the North Shore
from Gloucester to Newburyport. Minor coastal flooding occurs
along Morrissey Boulevard in Boston.
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
-------- --------- --------- --------- ------- --------
27/12 PM 9.1/ 9.6 -0.5/ 0.0 0.0/ 0.5 2 None
28/01 AM 10.1/10.6 0.6/ 1.1 0.0/ 0.5 2 None
28/01 PM 9.2/ 9.7 -0.3/ 0.2 0.1/ 0.6 2 None
29/01 AM 10.6/11.1 1.1/ 1.6 0.4/ 0.9 1 Minor
29/02 PM 9.2/ 9.7 -0.3/ 0.2 0.2/ 0.8 1 None
30/02 AM 10.7/11.2 1.2/ 1.7 0.5/ 1.0 1 Minor
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
-------- --------- --------- --------- ------- --------
27/12 PM 10.6/11.1 1.1/ 1.6 0.0/ 0.5 2 None
28/12 AM 11.5/12.0 2.0/ 2.5 0.1/ 0.6 2 Minor
28/01 PM 10.6/11.1 1.1/ 1.6 0.1/ 0.6 2 None
29/01 AM 11.9/12.4 2.3/ 2.8 0.4/ 0.9 2-3 Minor
29/02 PM 10.4/10.9 0.9/ 1.4 0.2/ 0.7 2-3 None
30/02 AM 11.7/12.2 2.2/ 2.7 0.4/ 0.9 1-2 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
-------- --------- --------- --------- ------- --------
27/12 PM 11.4/11.9 1.5/ 2.0 0.4/ 0.9 1 None
28/12 AM 12.2/12.7 2.2/ 2.7 0.2/ 0.8 1 Minor
28/01 PM 11.4/11.9 1.5/ 2.0 0.5/ 1.0 1 None
29/01 AM 12.9/13.4 3.0/ 3.5 0.9/ 1.4 1 Minor
29/02 PM 11.4/11.9 1.5/ 2.0 0.8/ 1.3 1 None
30/02 AM 12.7/13.2 2.7/ 3.2 1.0/ 1.5 1 Minor
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
-------- --------- --------- --------- ------- --------
27/12 PM 11.3/11.8 1.2/ 1.7 0.2/ 0.8 2 None
28/12 AM 12.2/12.7 2.1/ 2.6 0.2/ 0.8 1 Minor
28/01 PM 11.5/12.0 1.4/ 1.9 0.5/ 1.0 1 None
29/01 AM 13.0/13.5 2.8/ 3.4 1.0/ 1.5 1 Minor
29/02 PM 11.5/12.0 1.4/ 1.9 0.8/ 1.3 1 None
30/02 AM 12.8/13.3 2.7/ 3.2 1.0/ 1.5 1 Minor
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
-------- --------- --------- --------- ------- --------
27/12 PM 10.4/10.9 0.7/ 1.1 0.2/ 0.7 2 None
28/12 AM 11.4/11.9 1.7/ 2.2 0.2/ 0.7 2 Minor
28/01 PM 10.4/10.9 0.7/ 1.1 0.2/ 0.7 2 None
29/01 AM 11.9/12.4 2.2/ 2.7 0.5/ 1.0 2 Minor
29/02 PM 10.5/11.0 0.8/ 1.3 0.4/ 0.9 2-3 None
30/02 AM 11.9/12.4 2.2/ 2.7 0.5/ 1.0 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
-------- --------- --------- --------- ------- --------
27/02 PM 4.5/ 5.0 0.0/ 0.5 0.6/ 1.1 2 None
28/01 AM 5.1/ 5.6 0.6/ 1.1 0.2/ 0.8 1-2 None
28/02 PM 4.4/ 4.9 -0.2/ 0.3 0.4/ 0.9 1-2 None
29/02 AM 5.7/ 6.2 1.3/ 1.8 0.8/ 1.3 2 None
29/03 PM 4.5/ 5.0 0.0/ 0.5 0.6/ 1.1 2-3 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
-------- --------- --------- --------- ------- --------
27/09 AM 4.2/ 4.7 -0.2/ 0.2 -0.5/ 0.0 1 None
27/09 PM 5.2/ 5.7 0.9/ 1.4 -0.2/ 0.2 1 None
28/10 AM 4.7/ 5.2 0.2/ 0.8 0.2/ 0.7 1 None
28/10 PM 5.7/ 6.2 1.3/ 1.8 0.2/ 0.8 1 None
29/10 AM 4.6/ 5.1 0.2/ 0.7 0.2/ 0.7 1-2 None
29/11 PM 5.6/ 6.1 1.2/ 1.7 0.4/ 0.9 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
-------- --------- --------- --------- ------- --------
27/12 PM 11.3/11.8 1.2/ 1.7 0.2/ 0.7 1-2 None
28/12 AM 12.3/12.8 2.2/ 2.7 0.2/ 0.8 1 None
28/01 PM 11.1/11.6 1.0/ 1.5 0.2/ 0.7 1 None
29/01 AM 12.3/12.8 2.2/ 2.7 0.2/ 0.8 1-2 None
29/02 PM 10.8/11.3 0.7/ 1.1 0.2/ 0.7 2 None
30/02 AM 12.2/12.7 2.1/ 2.6 0.4/ 0.9 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
-------- --------- --------- --------- ------- --------
27/09 AM 2.2/ 2.7 0.2/ 0.8 -0.3/ 0.2 1 None
27/09 PM 3.0/ 3.5 1.0/ 1.5 -0.2/ 0.2 1-2 None
28/10 AM 2.6/ 3.1 0.6/ 1.1 0.0/ 0.5 1 None
28/10 PM 3.4/ 3.9 1.4/ 1.9 0.2/ 0.7 1 None
29/11 AM 2.7/ 3.2 0.7/ 1.1 0.2/ 0.7 1 None
29/11 PM 3.4/ 3.9 1.4/ 1.9 0.2/ 0.8 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
-------- --------- --------- --------- ------- --------
27/12 PM 11.7/12.2 1.2/ 1.7 0.4/ 0.9 1-2 None
28/12 AM 12.7/13.2 2.2/ 2.7 0.4/ 0.9 1 Minor
28/01 PM 11.7/12.2 1.2/ 1.7 0.4/ 0.9 1 None
29/01 AM 13.0/13.5 2.5/ 3.0 0.5/ 1.0 1 Minor
29/02 PM 11.5/12.0 1.0/ 1.5 0.4/ 0.9 1-2 None
30/02 AM 12.9/13.4 2.3/ 2.8 0.5/ 1.0 2 Minor
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
-------- --------- --------- --------- ------- --------
27/01 PM 5.2/ 5.7 -2.6/-2.1 0.2/ 0.7 2 None
28/01 AM 5.9/ 6.4 -1.9/-1.4 0.1/ 0.6 2 None
28/02 PM 5.4/ 5.9 -2.3/-1.9 0.4/ 0.9 2 None
29/02 AM 6.6/ 7.1 -1.1/-0.7 0.7/ 1.1 2-3 None
29/03 PM 5.4/ 5.9 -2.3/-1.9 0.5/ 1.0 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
-------- --------- --------- --------- ------- --------
27/12 PM 10.0/10.5 -0.3/ 0.2 0.2/ 0.8 1-2 None
28/12 AM 11.0/11.5 0.7/ 1.1 0.4/ 0.9 1 None
28/01 PM 9.9/10.4 -0.5/ 0.0 0.2/ 0.8 1 None
29/01 AM 11.2/11.7 0.9/ 1.4 0.5/ 1.0 1 None
29/02 PM 9.7/10.2 -0.7/-0.2 0.2/ 0.8 2-3 None
30/02 AM 11.0/11.5 0.7/ 1.1 0.4/ 0.9 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
-------- --------- --------- --------- ------- --------
27/12 PM 2.0/ 2.5 0.0/ 0.5 0.2/ 0.7 1-2 None
28/12 AM 2.2/ 2.7 0.2/ 0.7 0.2/ 0.7 1 None
28/01 PM 2.1/ 2.6 0.1/ 0.6 0.2/ 0.7 1 None
29/02 AM 2.5/ 3.0 0.5/ 1.0 0.2/ 0.8 1 None
29/02 PM 2.1/ 2.6 0.1/ 0.6 0.2/ 0.8 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
-------- --------- --------- --------- ------- --------
27/01 PM 3.4/ 3.9 -0.2/ 0.2 0.2/ 0.7 2 None
28/01 AM 4.0/ 4.5 0.5/ 1.0 0.2/ 0.7 1-2 None
28/02 PM 3.4/ 3.9 -0.2/ 0.2 0.2/ 0.7 1 None
29/02 AM 4.6/ 5.1 1.0/ 1.5 0.6/ 1.1 1-2 Minor
29/03 PM 3.6/ 4.1 0.0/ 0.5 0.5/ 1.0 2 None
&&
$$1 follow-up statement
392
WHUS41 KBOX 281850
CFWBOX
Coastal Hazard Message
National Weather Service Boston/Norton MA
250 PM EDT Wed Apr 28 2021
MAZ007-015-016-019-022-290700-
/O.CAN.KBOX.CF.S.0004.210429T0300Z-210429T0700Z/
/O.NEW.KBOX.CF.Y.0006.210429T0300Z-210429T0700Z/
Eastern Essex MA-Suffolk MA-Eastern Norfolk MA-
Eastern Plymouth MA-Barnstable MA-
250 PM EDT Wed Apr 28 2021
...COASTAL FLOOD ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO
3 AM EDT THURSDAY...
* WHAT...Up to one foot of inundation above ground level
expected in low-lying areas near shorelines and tidal
waterways (3.4 to 13.3 feet Mean Lower Low Water).
* WHERE...Eastern Massachusetts coast including Cape Cod.
* WHEN...From 11 PM this evening to 3 AM EDT Thursday.
* IMPACTS...Minor coastal flooding occurs along Morrissey Boulevard
in Boston. Other vulnerable shore roads may also experience
minor nuisance flooding.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If travel is required, allow extra time as some roads may be
closed for a time around high tide.
&&
&&
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
-------- --------- --------- --------- ------- --------
28/01 PM 8.9/ 9.4 -0.7/-0.2 -0.2/ 0.2 1 None
29/01 AM 10.6/11.1 1.1/ 1.6 0.4/ 0.9 1 Minor
29/02 PM 9.3/ 9.8 -0.2/ 0.2 0.4/ 0.9 1 None
30/02 AM 10.9/11.4 1.4/ 1.9 0.7/ 1.1 1 Minor
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
-------- --------- --------- --------- ------- --------
28/01 PM 10.7/11.2 1.2/ 1.7 0.2/ 0.7 1 None
29/01 AM 11.7/12.2 2.2/ 2.7 0.2/ 0.7 2 Minor
29/02 PM 10.5/11.0 1.0/ 1.5 0.2/ 0.8 1 None
30/02 AM 12.0/12.5 2.5/ 3.0 0.7/ 1.1 1-2 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
-------- --------- --------- --------- ------- --------
28/01 PM 11.1/11.6 1.2/ 1.7 0.2/ 0.7 1 None
29/01 AM 12.2/12.7 2.2/ 2.7 0.2/ 0.7 1 Minor
29/02 PM 10.9/11.4 1.0/ 1.5 0.2/ 0.8 1 None
30/02 AM 12.4/12.9 2.5/ 3.0 0.7/ 1.1 1 Minor
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
-------- --------- --------- --------- ------- --------
28/01 PM 10.8/11.3 0.7/ 1.1 -0.2/ 0.2 1 None
29/01 AM 12.3/12.8 2.2/ 2.7 0.2/ 0.8 1 Minor
29/02 PM 11.1/11.6 1.0/ 1.5 0.4/ 0.9 1 None
30/02 AM 12.5/13.0 2.3/ 2.8 0.7/ 1.1 1 Minor
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
-------- --------- --------- --------- ------- --------
28/01 PM 10.5/11.0 0.8/ 1.3 0.2/ 0.8 1 None
29/01 AM 11.8/12.3 2.1/ 2.6 0.4/ 0.9 1 Minor
29/02 PM 10.4/10.9 0.7/ 1.1 0.2/ 0.8 1 None
30/02 AM 12.0/12.5 2.2/ 2.7 0.6/ 1.1 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
-------- --------- --------- --------- ------- --------
28/03 PM 4.4/ 4.9 -0.2/ 0.3 0.6/ 1.1 1-2 None
29/02 AM 5.9/ 6.4 1.4/ 1.9 0.9/ 1.4 2 None
29/03 PM 4.7/ 5.2 0.2/ 0.7 0.8/ 1.3 2 None
30/03 AM 6.1/ 6.6 1.6/ 2.0 1.1/ 1.6 2-3 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
-------- --------- --------- --------- ------- --------
28/10 PM 5.9/ 6.4 1.5/ 2.0 0.5/ 1.0 1 None
29/10 AM 4.7/ 5.2 0.2/ 0.8 0.2/ 0.8 1 None
29/11 PM 5.7/ 6.2 1.4/ 1.9 0.6/ 1.1 1-2 None
30/11 AM 4.6/ 5.1 0.2/ 0.7 0.4/ 0.9 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
-------- --------- --------- --------- ------- --------
28/01 PM 11.2/11.7 1.1/ 1.6 0.2/ 0.8 1 None
29/01 AM 12.4/12.9 2.2/ 2.7 0.4/ 0.9 1-2 None
29/02 PM 11.0/11.5 0.9/ 1.4 0.4/ 0.9 1 None
30/02 AM 12.4/12.9 2.2/ 2.7 0.6/ 1.1 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
-------- --------- --------- --------- ------- --------
28/10 PM 3.6/ 4.1 1.6/ 2.0 0.4/ 0.9 2 None
29/11 AM 2.7/ 3.2 0.8/ 1.3 0.2/ 0.8 2 None
29/11 PM 3.7/ 4.2 1.7/ 2.2 0.6/ 1.1 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
-------- --------- --------- --------- ------- --------
28/01 PM 11.5/12.0 1.0/ 1.5 0.2/ 0.7 1 None
29/01 AM 13.1/13.6 2.6/ 3.1 0.6/ 1.1 1 Minor
29/02 PM 11.7/12.2 1.2/ 1.7 0.6/ 1.1 1 None
30/02 AM 13.3/13.8 2.7/ 3.2 0.9/ 1.4 2 Minor
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
-------- --------- --------- --------- ------- --------
28/02 PM 5.1/ 5.6 -2.7/-2.2 0.1/ 0.6 1-2 None
29/02 AM 6.6/ 7.1 -1.1/-0.7 0.7/ 1.1 2 None
29/03 PM 5.6/ 6.1 -2.2/-1.7 0.7/ 1.1 2 None
30/03 AM 6.9/ 7.4 -0.9/-0.4 1.0/ 1.5 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
-------- --------- --------- --------- ------- --------
28/01 PM 10.1/10.6 -0.2/ 0.2 0.5/ 1.0 1 None
29/01 AM 11.2/11.7 0.9/ 1.4 0.5/ 1.0 1 None
29/02 PM 9.8/10.3 -0.6/-0.1 0.4/ 0.9 1 None
30/02 AM 11.2/11.7 0.9/ 1.4 0.6/ 1.1 3 None
&&
$$
MAZ020-021-RIZ002-004>008-290400-
/O.CON.KBOX.CF.S.0004.210429T0000Z-210429T0400Z/
Southern Bristol MA-Southern Plymouth MA-Southeast Providence RI-
Eastern Kent RI-Bristol RI-Washington RI-Newport RI-
Block Island RI-
250 PM EDT Wed Apr 28 2021
* WHAT...Less than one foot of inundation above ground level
expected in low-lying areas near shorelines and tidal
waterways (4.2 to 6.7 feet Mean Lower Low Water).
* WHERE...South coastal Massachusetts and Rhode Island.
* WHEN...From 8 PM this evening to midnight EDT tonight.
* IMPACTS...Some water on low lying roads and property.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Do not drive through flooded roadways.
&&
&&
Time of high total tides are approximate to the nearest hour.
Narragansett Bay at Fox Point
MLLW Categories - Minor 7.0 ft, Moderate 9.0 ft, Major 10.5 ft
MHHW Categories - Minor 2.3 ft, Moderate 4.3 ft, Major 5.8 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
28/10 PM 6.4/ 6.9 1.7/ 2.2 0.4/ 0.9 1 None
29/11 AM 5.2/ 5.7 0.6/ 1.1 0.4/ 0.9 1 None
29/11 PM 6.5/ 7.0 1.8/ 2.2 0.7/ 1.1 1 None
30/11 AM 4.7/ 5.2 0.1/ 0.6 0.1/ 0.6 2 None
Narragansett Bay at Conimicut Point
MLLW Categories - Minor 7.0 ft, Moderate 8.5 ft, Major 10.0 ft
MHHW Categories - Minor 2.4 ft, Moderate 3.9 ft, Major 5.4 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
28/10 PM 6.2/ 6.7 1.6/ 2.0 0.4/ 0.9 1 None
29/11 AM 5.2/ 5.7 0.6/ 1.1 0.4/ 0.9 1 None
29/11 PM 6.2/ 6.8 1.7/ 2.2 0.7/ 1.1 1 None
Narragansett Bay at Quonset Point
MLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.5 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
-------- --------- --------- --------- ------- --------
28/10 PM 5.6/ 6.1 1.5/ 2.0 0.4/ 0.9 1 Minor
29/10 AM 4.5/ 5.0 0.4/ 0.9 0.2/ 0.8 1 None
29/11 PM 5.7/ 6.2 1.6/ 2.0 0.7/ 1.1 1 Minor
30/11 AM 4.0/ 4.5 0.0/ 0.5 0.1/ 0.6 2 None
Mount Hope Bay near Bristol Point RI
MLLW Categories - Minor 7.0 ft, Moderate 9.5 ft, Major 12.0 ft
MHHW Categories - Minor 2.5 ft, Moderate 5.0 ft, Major 7.5 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
28/10 PM 5.7/ 6.2 1.3/ 1.8 0.4/ 0.9 1 None
29/11 AM 4.7/ 5.2 0.2/ 0.8 0.4/ 0.9 1 None
29/11 PM 5.9/ 6.4 1.4/ 1.9 0.7/ 1.1 1 None
30/11 AM 4.2/ 4.7 -0.2/ 0.2 0.1/ 0.6 2 None
Westerly RI at Watch Hill
MLLW Categories - Minor 5.0 ft, Moderate 8.0 ft, Major 9.5 ft
MHHW Categories - Minor 1.9 ft, Moderate 4.9 ft, Major 6.4 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
28/11 PM 4.0/ 4.5 0.9/ 1.4 0.2/ 0.8 2 None
29/11 AM 3.2/ 3.7 0.1/ 0.6 0.4/ 0.9 2 None
29/11 PM 4.2/ 4.7 1.1/ 1.6 0.7/ 1.1 2-3 None
Newport Harbor
MLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.0 ft
MHHW Categories - Minor 1.9 ft, Moderate 3.4 ft, Major 4.9 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
28/10 PM 5.2/ 5.7 1.2/ 1.7 0.4/ 0.9 2 None
29/10 AM 4.2/ 4.7 0.2/ 0.7 0.2/ 0.8 2 None
29/11 PM 5.4/ 5.9 1.3/ 1.8 0.7/ 1.1 1-2 None
30/11 AM 3.9/ 4.4 -0.2/ 0.2 0.1/ 0.6 2 None
Newport South Coast Beaches
MLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.0 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
-------- --------- --------- --------- ------- --------
28/10 PM 4.7/ 5.2 1.3/ 1.8 0.2/ 0.8 2 None
29/10 AM 4.0/ 4.5 0.5/ 1.0 0.2/ 0.8 2 None
29/11 PM 5.0/ 5.5 1.5/ 2.0 0.7/ 1.1 1-2 None
30/11 AM 3.5/ 4.0 0.0/ 0.5 0.0/ 0.5 2 None
Block Island at Old Harbor
MLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.0 ft
MHHW Categories - Minor 2.7 ft, Moderate 4.2 ft, Major 5.7 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
28/09 PM 4.0/ 4.5 0.8/ 1.3 0.2/ 0.8 2-3 None
29/10 AM 3.2/ 3.7 -0.2/ 0.3 0.2/ 0.7 3 None
29/10 PM 4.2/ 4.7 1.0/ 1.5 0.6/ 1.1 3-4 None
30/11 AM 2.8/ 3.4 -0.5/ 0.0 0.1/ 0.6 3-4 None
New Bedford Hurricane Barrier
MLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.5 ft
MHHW Categories - Minor 2.1 ft, Moderate 3.6 ft, Major 5.6 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
28/10 PM 5.2/ 5.7 1.4/ 1.9 0.4/ 0.9 1 None
29/10 AM 4.2/ 4.7 0.4/ 0.9 0.2/ 0.8 1 None
29/11 PM 5.4/ 5.9 1.5/ 2.0 0.7/ 1.1 1-3 None
30/11 AM 4.0/ 4.5 0.2/ 0.7 0.2/ 0.8 3 None
Westport
MLLW Categories - Minor 6.0 ft, Moderate 8.0 ft, Major 10.0 ft
MHHW Categories - Minor 2.5 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
-------- --------- --------- --------- ------- --------
28/10 PM 4.5/ 5.0 1.0/ 1.5 0.2/ 0.8 2 None
29/11 AM 3.7/ 4.2 0.2/ 0.7 0.2/ 0.8 2 None
29/11 PM 4.7/ 5.2 1.3/ 1.8 0.7/ 1.1 2-3 None
Mount Hope Bay near Fall River MA
MLLW Categories - Minor 7.0 ft, Moderate 9.5 ft, Major 12.0 ft
MHHW Categories - Minor 2.3 ft, Moderate 4.8 ft, Major 7.3 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
28/10 PM 6.5/ 7.0 1.8/ 2.2 0.4/ 0.9 1 None
29/11 AM 5.5/ 6.0 0.8/ 1.3 0.4/ 0.9 1 None
29/11 PM 6.5/ 7.0 1.8/ 2.2 0.7/ 1.1 1 None
Buzzards Bay at Mattapoisett
MLLW Categories - Minor 8.5 ft, Moderate 10.0 ft, Major 12.0 ft
MHHW Categories - Minor 4.4 ft, Moderate 5.9 ft, Major 7.9 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
28/10 PM 5.7/ 6.2 1.7/ 2.2 0.4/ 0.9 1 None
29/10 AM 4.5/ 5.0 0.4/ 0.9 0.2/ 0.7 1 None
29/11 PM 5.7/ 6.2 1.6/ 2.0 0.6/ 1.1 1-3 None
30/11 AM 4.5/ 5.0 0.4/ 0.9 0.2/ 0.8 3 None
&&
$$
MAZ023-024-290700-
/O.CON.KBOX.CF.S.0004.210429T0300Z-210429T0700Z/
Dukes MA-Nantucket MA-
250 PM EDT Wed Apr 28 2021
* WHAT...Less than one foot of inundation above ground level
expected in low-lying areas near shorelines and tidal
waterways (2.7 to 4.5 feet Mean Lower Low Water).
* WHERE...Marthas Vineyard and Nantucket.
* WHEN...From 11 PM EDT this evening through late tonight.
* IMPACTS...Some water on low lying roads and property.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Do not drive through flooded roadways.
&&
&&
Time of high total tides are approximate to the nearest hour.
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
-------- --------- --------- --------- ------- --------
28/01 PM 2.2/ 2.7 0.2/ 0.8 0.4/ 0.9 1 None
29/02 AM 2.5/ 3.0 0.5/ 1.0 0.2/ 0.8 2 None
29/02 PM 2.2/ 2.7 0.2/ 0.7 0.4/ 0.9 2 None
30/02 AM 2.6/ 3.1 0.6/ 1.1 0.6/ 1.1 2-3 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
-------- --------- --------- --------- ------- --------
28/02 PM 3.5/ 4.0 -0.2/ 0.3 0.2/ 0.8 1-2 None
29/02 AM 4.2/ 4.7 0.7/ 1.1 0.2/ 0.8 2-3 None
29/03 PM 3.6/ 4.1 0.0/ 0.5 0.5/ 1.0 3 None
30/03 AM 4.7/ 5.2 1.1/ 1.6 0.7/ 1.1 2-3 Minor
&&
$$The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 1:22 AM EDT | Special Weather Statement | BOX | Franklin, Hampden, Hampshire, Worcester | 38 min |
| Apr 28, 2:50 PM EDT | Coastal Flood Advisory | BOX | Barnstable, Essex, Norfolk, Plymouth, Suffolk | 12 hr |
| Apr 28, 2:19 AM EDT | Special Weather Statement | BOX | Bristol, Kent, Providence | 41 min |
Nearby
Coastal Flood Statements in Massachusetts, 2021Coastal Flood Statements in Rhode Island, 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.