Alert archive / Massachusetts / Coastal Flood Statements in 2020
Coastal Flood Statement 11, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this coastal flood statement at Oct 18, 2020, 4:04 PM EDT for 7 counties in Massachusetts. It took effect at Oct 19, 2020, 12:00 PM EDT. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Oct 18, 2020, 4:04 PM EDT (20:04 UTC)
- In effect from
- Oct 19, 2020, 12:00 PM EDT
- Expired
- Oct 19, 2020, 3:00 PM EDT
- In force
- 3 hr
- Issued by
- NWS Boston/Norton, MA
Counties Barnstable County, MA, Dukes County, MA, Essex County, MA, Nantucket County, MA, Norfolk County, MA, Plymouth County, MA, Suffolk County, MA
The radar
The Boston radar (KBOX), 37 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
Chatham, MA (KCHH), launched 12:00Z, 8.1 hours before the alert went out and 66 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
- 1649 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- -26 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
961
WHUS41 KBOX 182004
CFWBOX
Coastal Hazard Message
National Weather Service Boston/Norton MA
404 PM EDT Sun Oct 18 2020
MAZ007-015-016-019-022>024-190415-
/O.EXP.KBOX.CF.S.0010.000000T0000Z-201018T2000Z/
/O.NEW.KBOX.CF.S.0011.201019T1600Z-201019T1900Z/
Eastern Essex MA-Suffolk MA-Eastern Norfolk MA-
Eastern Plymouth MA-Barnstable MA-Dukes MA-Nantucket MA-
404 PM EDT Sun Oct 18 2020
* WHAT...Up to one half foot of inundation above ground level
expected in low-lying areas near shorelines and tidal
waterways (2.4 to 13.1 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 noon to 3 pm Monday.
* 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.
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 9.3/ 9.8 -0.2/ 0.2 -1.0/-0.5 1 None
19/02 AM 8.4/ 8.9 -1.1/-0.7 -1.0/-0.5 1 None
19/02 PM 9.3/ 9.8 -0.2/ 0.2 -1.0/-0.5 1 None
20/03 AM 8.1/ 8.6 -1.5/-1.0 -1.0/-0.5 1 None
20/03 PM 9.1/ 9.6 -0.5/ 0.0 -1.0/-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
-------- --------- --------- --------- ------- --------
18/01 PM 11.2/11.7 1.7/ 2.2 -0.3/ 0.2 2 Minor
19/01 AM 10.3/10.8 0.8/ 1.3 -0.3/ 0.2 3 None
19/02 PM 10.9/11.4 1.4/ 1.9 -0.6/-0.1 3 None
20/02 AM 9.8/10.3 0.2/ 0.8 -0.5/ 0.0 3-4 None
20/03 PM 10.7/11.2 1.2/ 1.7 -0.5/ 0.0 3-4 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
-------- --------- --------- --------- ------- --------
18/01 PM 11.8/12.3 1.9/ 2.3 -0.2/ 0.2 1 None
19/01 AM 10.8/11.3 0.9/ 1.4 -0.2/ 0.2 1 None
19/02 PM 11.6/12.1 1.7/ 2.2 -0.3/ 0.2 1 None
20/02 AM 10.3/10.8 0.4/ 0.9 -0.3/ 0.2 1 None
20/03 PM 11.4/11.9 1.5/ 2.0 -0.2/ 0.2 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
-------- --------- --------- --------- ------- --------
18/01 PM 11.6/12.1 1.5/ 2.0 -0.5/ 0.0 1 None
19/01 AM 10.7/11.2 0.6/ 1.1 -0.5/ 0.0 1 None
19/02 PM 11.5/12.0 1.4/ 1.9 -0.5/ 0.0 1 None
20/02 AM 10.3/10.8 0.2/ 0.7 -0.5/ 0.0 1 None
20/03 PM 11.2/11.7 1.1/ 1.6 -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
-------- --------- --------- --------- ------- --------
18/01 PM 11.2/11.7 1.5/ 2.0 -0.2/ 0.2 2-3 Minor
19/01 AM 10.3/10.8 0.6/ 1.1 -0.2/ 0.2 2-3 None
19/02 PM 11.3/11.8 1.6/ 2.0 -0.2/ 0.2 3 Minor
20/02 AM 9.9/10.4 0.2/ 0.7 -0.2/ 0.2 3 None
20/03 PM 11.0/11.5 1.3/ 1.8 -0.2/ 0.2 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
-------- --------- --------- --------- ------- --------
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
-------- --------- --------- --------- ------- --------
18/10 AM 5.9/ 6.4 1.5/ 2.0 0.2/ 0.8 1 None
18/10 PM 5.2/ 5.7 0.9/ 1.4 0.5/ 1.0 1 None
19/10 AM 5.7/ 6.2 1.4/ 1.9 0.4/ 0.9 1 None
19/11 PM 5.0/ 5.5 0.6/ 1.1 0.4/ 0.9 1 None
20/11 AM 5.5/ 6.0 1.1/ 1.6 0.4/ 0.9 1 None
21/12 AM 4.6/ 5.1 0.2/ 0.7 0.2/ 0.8 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
-------- --------- --------- --------- ------- --------
18/01 PM 12.6/13.1 2.5/ 3.0 0.6/ 1.1 2 Minor
19/02 AM 11.6/12.1 1.5/ 2.0 0.5/ 1.0 2 None
19/02 PM 12.3/12.8 2.2/ 2.7 0.4/ 0.9 2 None
20/02 AM 11.1/11.6 1.0/ 1.5 0.5/ 1.0 2 None
20/03 PM 12.1/12.6 2.0/ 2.5 0.5/ 1.0 2-3 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
-------- --------- --------- --------- ------- --------
18/10 AM 3.7/ 4.2 1.8/ 2.2 0.4/ 0.9 1 None
18/10 PM 3.4/ 3.9 1.4/ 1.9 0.6/ 1.1 1 None
19/11 AM 3.7/ 4.2 1.8/ 2.2 0.5/ 1.0 1 None
19/11 PM 3.0/ 3.5 1.0/ 1.5 0.4/ 0.9 1 None
20/11 AM 3.5/ 4.0 1.5/ 2.0 0.5/ 1.0 1 None
21/12 AM 2.7/ 3.2 0.8/ 1.3 0.4/ 0.9 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
-------- --------- --------- --------- ------- --------
18/01 PM 13.1/13.6 2.6/ 3.1 0.6/ 1.1 1 Minor
19/01 AM 12.1/12.6 1.6/ 2.0 0.6/ 1.1 1 None
19/02 PM 12.9/13.4 2.3/ 2.8 0.4/ 0.9 1-2 Minor
20/02 AM 11.7/12.2 1.2/ 1.7 0.5/ 1.0 1-2 None
20/03 PM 12.8/13.3 2.2/ 2.7 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
-------- --------- --------- --------- ------- --------
18/02 PM 6.2/ 6.7 -1.6/-1.1 0.2/ 0.7 3 None
19/02 AM 5.4/ 5.9 -2.3/-1.9 0.1/ 0.6 3 None
19/03 PM 6.0/ 6.5 -1.8/-1.3 0.0/ 0.5 3 None
20/03 AM 5.2/ 5.7 -2.6/-2.1 0.1/ 0.6 3 None
20/03 PM 6.0/ 6.5 -1.8/-1.3 0.1/ 0.6 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
-------- --------- --------- --------- ------- --------
18/01 PM 11.7/12.2 1.4/ 1.9 0.9/ 1.4 1-2 Minor
19/01 AM 10.6/11.1 0.2/ 0.8 0.8/ 1.3 1 None
19/02 PM 11.4/11.9 1.1/ 1.6 0.7/ 1.1 1 None
20/02 AM 10.3/10.8 0.0/ 0.5 0.8/ 1.3 2 None
20/03 PM 11.1/11.6 0.8/ 1.3 0.7/ 1.1 2 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
-------- --------- --------- --------- ------- --------
18/01 PM 2.6/ 3.1 0.6/ 1.1 0.2/ 0.8 1 None
19/02 AM 2.2/ 2.7 0.2/ 0.7 0.2/ 0.8 1 None
19/02 PM 2.5/ 3.0 0.5/ 1.0 0.2/ 0.8 1 None
20/02 AM 2.1/ 2.6 0.1/ 0.6 0.2/ 0.8 1 None
20/03 PM 2.3/ 2.8 0.4/ 0.9 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
-------- --------- --------- --------- ------- --------
18/02 PM 4.2/ 4.7 0.7/ 1.1 0.2/ 0.8 2 None
19/02 AM 3.5/ 4.0 -0.2/ 0.3 0.2/ 0.7 2 None
19/03 PM 4.2/ 4.7 0.6/ 1.1 0.2/ 0.7 2 None
20/03 AM 3.5/ 4.0 -0.2/ 0.3 0.2/ 0.8 2 None
20/04 PM 4.2/ 4.7 0.6/ 1.1 0.2/ 0.7 2 None
&&
$$3 follow-up statements
645
WHUS41 KBOX 190217
CFWBOX
Coastal Hazard Message
National Weather Service Boston/Norton MA
1017 PM EDT Sun Oct 18 2020
MAZ007-015-016-019-022>024-191030-
/O.CON.KBOX.CF.S.0011.201019T1600Z-201019T1900Z/
Eastern Essex MA-Suffolk MA-Eastern Norfolk MA-
Eastern Plymouth MA-Barnstable MA-Dukes MA-Nantucket MA-
1017 PM EDT Sun Oct 18 2020
* WHAT...Up to one half foot of inundation above ground level
expected in low-lying areas near shorelines and tidal
waterways (2.4 to 13.1 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...Noon to 3 PM Monday.
* 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.
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
-------- --------- --------- --------- ------- --------
19/02 AM 9.5/10.0 0.0/ 0.5 0.2/ 0.7 1 None
19/02 PM 10.4/10.9 0.9/ 1.4 0.2/ 0.7 1 None
20/03 AM 9.2/ 9.7 -0.3/ 0.2 0.2/ 0.7 1 None
20/03 PM 10.2/10.7 0.7/ 1.1 0.2/ 0.7 1 None
21/03 AM 8.8/ 9.3 -0.8/-0.2 0.2/ 0.7 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
-------- --------- --------- --------- ------- --------
19/01 AM 11.0/11.5 1.5/ 2.0 0.4/ 0.9 2 None
19/02 PM 11.6/12.1 2.1/ 2.6 0.2/ 0.7 3 Minor
20/02 AM 10.5/11.0 1.0/ 1.5 0.2/ 0.8 3 None
20/03 PM 11.4/11.9 1.9/ 2.3 0.2/ 0.8 4 Minor
21/03 AM 9.9/10.4 0.4/ 0.9 0.2/ 0.7 4 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
-------- --------- --------- --------- ------- --------
19/01 AM 11.4/11.9 1.5/ 2.0 0.4/ 0.9 1 None
19/02 PM 12.2/12.7 2.2/ 2.7 0.2/ 0.8 1 Minor
20/02 AM 10.9/11.4 1.0/ 1.5 0.2/ 0.8 1 None
20/03 PM 12.0/12.5 2.1/ 2.6 0.4/ 0.9 1 None
21/03 AM 10.3/10.8 0.4/ 0.9 0.2/ 0.8 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
-------- --------- --------- --------- ------- --------
19/01 AM 11.3/11.8 1.2/ 1.7 0.2/ 0.7 1 None
19/02 PM 12.1/12.6 2.0/ 2.5 0.2/ 0.7 1 Minor
20/02 AM 10.9/11.4 0.8/ 1.3 0.2/ 0.7 1 None
20/03 PM 11.8/12.3 1.7/ 2.2 0.2/ 0.7 1 None
21/03 AM 10.3/10.8 0.2/ 0.7 0.2/ 0.7 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
-------- --------- --------- --------- ------- --------
19/01 AM 10.7/11.2 1.0/ 1.5 0.2/ 0.7 2 None
19/02 PM 11.7/12.2 2.0/ 2.5 0.2/ 0.7 2 Minor
20/02 AM 10.3/10.8 0.6/ 1.1 0.2/ 0.7 2 None
20/03 PM 11.4/11.9 1.7/ 2.2 0.2/ 0.7 3 Minor
21/03 AM 9.9/10.4 0.2/ 0.7 0.2/ 0.7 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
-------- --------- --------- --------- ------- --------
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
-------- --------- --------- --------- ------- --------
18/10 PM 5.4/ 5.9 1.0/ 1.5 0.6/ 1.1 1 None
19/10 AM 5.9/ 6.4 1.5/ 2.0 0.5/ 1.0 1 None
19/11 PM 5.1/ 5.6 0.7/ 1.1 0.5/ 1.0 1 None
20/11 AM 5.6/ 6.1 1.2/ 1.7 0.5/ 1.0 1 None
21/12 AM 4.7/ 5.2 0.2/ 0.8 0.4/ 0.9 1 None
21/12 PM 5.2/ 5.7 0.9/ 1.4 0.5/ 1.0 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
-------- --------- --------- --------- ------- --------
19/02 AM 11.5/12.0 1.4/ 1.9 0.4/ 0.9 2 None
19/02 PM 12.2/12.7 2.1/ 2.6 0.2/ 0.8 2 None
20/02 AM 11.0/11.5 0.9/ 1.4 0.4/ 0.9 2 None
20/03 PM 12.0/12.5 1.9/ 2.3 0.4/ 0.9 2-3 None
21/03 AM 10.4/10.9 0.2/ 0.8 0.2/ 0.8 2-3 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
-------- --------- --------- --------- ------- --------
18/10 PM 3.1/ 3.6 1.1/ 1.6 0.2/ 0.8 1 None
19/11 AM 3.5/ 4.0 1.5/ 2.0 0.2/ 0.7 1 None
19/11 PM 2.7/ 3.2 0.7/ 1.1 0.1/ 0.6 1 None
20/11 AM 3.2/ 3.7 1.2/ 1.7 0.2/ 0.7 1 None
21/12 AM 2.5/ 3.0 0.5/ 1.0 0.1/ 0.6 1 None
21/12 PM 2.8/ 3.4 0.9/ 1.4 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
-------- --------- --------- --------- ------- --------
19/01 AM 12.1/12.6 1.6/ 2.0 0.6/ 1.1 1 None
19/02 PM 12.9/13.4 2.3/ 2.8 0.4/ 0.9 2 Minor
20/02 AM 11.7/12.2 1.2/ 1.7 0.5/ 1.0 1-2 None
20/03 PM 12.8/13.3 2.2/ 2.7 0.5/ 1.0 2 Minor
21/03 AM 11.1/11.6 0.6/ 1.1 0.4/ 0.9 1-2 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
-------- --------- --------- --------- ------- --------
19/02 AM 5.7/ 6.2 -2.0/-1.6 0.4/ 0.9 3 None
19/03 PM 6.2/ 6.8 -1.5/-1.0 0.2/ 0.8 3 None
20/03 AM 5.5/ 6.0 -2.2/-1.8 0.4/ 0.9 3 None
20/03 PM 6.2/ 6.8 -1.5/-1.0 0.4/ 0.9 3 None
21/04 AM 5.2/ 5.7 -2.6/-2.1 0.2/ 0.8 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
-------- --------- --------- --------- ------- --------
19/01 AM 10.3/10.8 0.0/ 0.5 0.5/ 1.0 1 None
19/02 PM 11.1/11.6 0.8/ 1.3 0.4/ 0.9 1 None
20/02 AM 10.0/10.5 -0.3/ 0.2 0.5/ 1.0 1 None
20/03 PM 10.8/11.3 0.5/ 1.0 0.4/ 0.9 2 None
21/03 AM 9.4/ 9.9 -1.0/-0.5 0.4/ 0.9 2 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
-------- --------- --------- --------- ------- --------
19/02 AM 1.9/ 2.3 -0.2/ 0.3 0.0/ 0.5 1 None
19/02 PM 2.2/ 2.7 0.2/ 0.7 0.0/ 0.5 1 None
20/02 AM 1.8/ 2.2 -0.2/ 0.2 0.0/ 0.5 1 None
20/03 PM 2.1/ 2.6 0.1/ 0.6 0.0/ 0.5 1 None
21/03 AM 1.7/ 2.2 -0.3/ 0.2 0.0/ 0.5 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
-------- --------- --------- --------- ------- --------
19/02 AM 3.6/ 4.1 0.0/ 0.5 0.2/ 0.8 2 None
19/03 PM 4.2/ 4.7 0.7/ 1.1 0.2/ 0.8 2 None
20/03 AM 3.6/ 4.1 0.0/ 0.5 0.4/ 0.9 2 None
20/04 PM 4.2/ 4.7 0.7/ 1.1 0.2/ 0.8 2 None
21/04 AM 3.2/ 3.7 -0.5/ 0.0 0.2/ 0.7 2 None
&&
$$327
WHUS41 KBOX 190800
CFWBOX
Coastal Hazard Message
National Weather Service Boston/Norton MA
400 AM EDT Mon Oct 19 2020
MAZ007-015-016-019-022>024-191600-
/O.CON.KBOX.CF.S.0011.201019T1600Z-201019T1900Z/
Eastern Essex MA-Suffolk MA-Eastern Norfolk MA-
Eastern Plymouth MA-Barnstable MA-Dukes MA-Nantucket MA-
400 AM EDT Mon Oct 19 2020
* WHAT...Up to one foot of inundation above ground level
expected in low-lying areas near shorelines and tidal
waterways (2.7 to 13.6 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...Today from noon to 3 PM EDT.
* 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.
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
-------- --------- --------- --------- ------- --------
19/02 AM 9.5/10.0 0.0/ 0.5 0.2/ 0.7 1 None
19/02 PM 10.4/10.9 0.9/ 1.4 0.2/ 0.7 1 None
20/03 AM 9.2/ 9.7 -0.3/ 0.2 0.2/ 0.7 1 None
20/03 PM 10.2/10.7 0.7/ 1.1 0.2/ 0.7 1 None
21/03 AM 8.8/ 9.3 -0.8/-0.2 0.2/ 0.7 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
-------- --------- --------- --------- ------- --------
19/01 AM 11.0/11.5 1.5/ 2.0 0.4/ 0.9 2 None
19/02 PM 11.6/12.1 2.1/ 2.6 0.2/ 0.7 3 Minor
20/02 AM 10.5/11.0 1.0/ 1.5 0.2/ 0.8 3 None
20/03 PM 11.4/11.9 1.9/ 2.3 0.2/ 0.8 4 Minor
21/03 AM 9.9/10.4 0.4/ 0.9 0.2/ 0.7 4 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
-------- --------- --------- --------- ------- --------
19/01 AM 11.4/11.9 1.5/ 2.0 0.4/ 0.9 1 None
19/02 PM 12.2/12.7 2.2/ 2.7 0.2/ 0.8 1 Minor
20/02 AM 10.9/11.4 1.0/ 1.5 0.2/ 0.8 1 None
20/03 PM 12.0/12.5 2.1/ 2.6 0.4/ 0.9 1 None
21/03 AM 10.3/10.8 0.4/ 0.9 0.2/ 0.8 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
-------- --------- --------- --------- ------- --------
19/01 AM 11.3/11.8 1.2/ 1.7 0.2/ 0.7 1 None
19/02 PM 12.1/12.6 2.0/ 2.5 0.2/ 0.7 1 Minor
20/02 AM 10.9/11.4 0.8/ 1.3 0.2/ 0.7 1 None
20/03 PM 11.8/12.3 1.7/ 2.2 0.2/ 0.7 1 None
21/03 AM 10.3/10.8 0.2/ 0.7 0.2/ 0.7 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
-------- --------- --------- --------- ------- --------
19/01 AM 10.7/11.2 1.0/ 1.5 0.2/ 0.7 2 None
19/02 PM 11.7/12.2 2.0/ 2.5 0.2/ 0.7 2 Minor
20/02 AM 10.3/10.8 0.6/ 1.1 0.2/ 0.7 2 None
20/03 PM 11.4/11.9 1.7/ 2.2 0.2/ 0.7 3 Minor
21/03 AM 9.9/10.4 0.2/ 0.7 0.2/ 0.7 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
-------- --------- --------- --------- ------- --------
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
-------- --------- --------- --------- ------- --------
18/10 PM 5.4/ 5.9 1.0/ 1.5 0.6/ 1.1 1 None
19/10 AM 5.9/ 6.4 1.5/ 2.0 0.5/ 1.0 1 None
19/11 PM 5.1/ 5.6 0.7/ 1.1 0.5/ 1.0 1 None
20/11 AM 5.6/ 6.1 1.2/ 1.7 0.5/ 1.0 1 None
21/12 AM 4.7/ 5.2 0.2/ 0.8 0.4/ 0.9 1 None
21/12 PM 5.2/ 5.7 0.9/ 1.4 0.5/ 1.0 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
-------- --------- --------- --------- ------- --------
19/02 AM 11.5/12.0 1.4/ 1.9 0.4/ 0.9 2 None
19/02 PM 12.2/12.7 2.1/ 2.6 0.2/ 0.8 2 None
20/02 AM 11.0/11.5 0.9/ 1.4 0.4/ 0.9 2 None
20/03 PM 12.0/12.5 1.9/ 2.3 0.4/ 0.9 2-3 None
21/03 AM 10.4/10.9 0.2/ 0.8 0.2/ 0.8 2-3 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
-------- --------- --------- --------- ------- --------
18/10 PM 3.1/ 3.6 1.1/ 1.6 0.2/ 0.8 1 None
19/11 AM 3.5/ 4.0 1.5/ 2.0 0.2/ 0.7 1 None
19/11 PM 2.7/ 3.2 0.7/ 1.1 0.1/ 0.6 1 None
20/11 AM 3.2/ 3.7 1.2/ 1.7 0.2/ 0.7 1 None
21/12 AM 2.5/ 3.0 0.5/ 1.0 0.1/ 0.6 1 None
21/12 PM 2.8/ 3.4 0.9/ 1.4 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
-------- --------- --------- --------- ------- --------
19/01 AM 12.1/12.6 1.6/ 2.0 0.6/ 1.1 1 None
19/02 PM 12.9/13.4 2.3/ 2.8 0.4/ 0.9 2 Minor
20/02 AM 11.7/12.2 1.2/ 1.7 0.5/ 1.0 1-2 None
20/03 PM 12.8/13.3 2.2/ 2.7 0.5/ 1.0 2 Minor
21/03 AM 11.1/11.6 0.6/ 1.1 0.4/ 0.9 1-2 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
-------- --------- --------- --------- ------- --------
19/02 AM 5.7/ 6.2 -2.0/-1.6 0.4/ 0.9 3 None
19/03 PM 6.2/ 6.8 -1.5/-1.0 0.2/ 0.8 3 None
20/03 AM 5.5/ 6.0 -2.2/-1.8 0.4/ 0.9 3 None
20/03 PM 6.2/ 6.8 -1.5/-1.0 0.4/ 0.9 3 None
21/04 AM 5.2/ 5.7 -2.6/-2.1 0.2/ 0.8 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
-------- --------- --------- --------- ------- --------
19/01 AM 10.3/10.8 0.0/ 0.5 0.5/ 1.0 1 None
19/02 PM 11.1/11.6 0.8/ 1.3 0.4/ 0.9 1 None
20/02 AM 10.0/10.5 -0.3/ 0.2 0.5/ 1.0 1 None
20/03 PM 10.8/11.3 0.5/ 1.0 0.4/ 0.9 2 None
21/03 AM 9.4/ 9.9 -1.0/-0.5 0.4/ 0.9 2 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
-------- --------- --------- --------- ------- --------
19/02 AM 1.9/ 2.3 -0.2/ 0.3 0.0/ 0.5 1 None
19/02 PM 2.2/ 2.7 0.2/ 0.7 0.0/ 0.5 1 None
20/02 AM 1.8/ 2.2 -0.2/ 0.2 0.0/ 0.5 1 None
20/03 PM 2.1/ 2.6 0.1/ 0.6 0.0/ 0.5 1 None
21/03 AM 1.7/ 2.2 -0.3/ 0.2 0.0/ 0.5 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
-------- --------- --------- --------- ------- --------
19/02 AM 3.6/ 4.1 0.0/ 0.5 0.2/ 0.8 2 None
19/03 PM 4.2/ 4.7 0.7/ 1.1 0.2/ 0.8 2 None
20/03 AM 3.6/ 4.1 0.0/ 0.5 0.4/ 0.9 2 None
20/04 PM 4.2/ 4.7 0.7/ 1.1 0.2/ 0.8 2 None
21/04 AM 3.2/ 3.7 -0.5/ 0.0 0.2/ 0.7 2 None
&&
$$159
WHUS41 KBOX 191404
CFWBOX
Coastal Hazard Message
National Weather Service Boston/Norton MA
1004 AM EDT Mon Oct 19 2020
MAZ007-015-016-019-022>024-191900-
/O.CON.KBOX.CF.S.0011.201019T1600Z-201019T1900Z/
Eastern Essex MA-Suffolk MA-Eastern Norfolk MA-
Eastern Plymouth MA-Barnstable MA-Dukes MA-Nantucket MA-
1004 AM EDT Mon Oct 19 2020
* WHAT...Up to one foot of inundation above ground level
expected in low-lying areas near shorelines and tidal
waterways (2.7 to 13.6 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...Today from noon to 3 PM EDT.
* 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.
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
-------- --------- --------- --------- ------- --------
19/02 PM 9.6/10.1 0.1/ 0.6 -0.7/-0.2 1 None
20/03 AM 8.4/ 8.9 -1.1/-0.7 -0.7/-0.2 1 None
20/03 PM 9.4/ 9.9 -0.2/ 0.3 -0.7/-0.2 1 None
21/03 AM 8.0/ 8.5 -1.6/-1.1 -0.7/-0.2 1 None
21/04 PM 9.1/ 9.6 -0.5/ 0.0 -0.7/-0.2 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
-------- --------- --------- --------- ------- --------
19/02 PM 11.1/11.6 1.6/ 2.0 -0.3/ 0.2 3 Minor
20/02 AM 10.0/10.5 0.5/ 1.0 -0.2/ 0.2 4 None
20/03 PM 10.9/11.4 1.4/ 1.9 -0.2/ 0.2 4 None
21/03 AM 9.4/ 9.9 -0.2/ 0.3 -0.3/ 0.2 3-4 None
21/03 PM 10.4/10.9 0.9/ 1.4 -0.2/ 0.2 4 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
-------- --------- --------- --------- ------- --------
19/02 PM 11.8/12.3 1.9/ 2.3 -0.2/ 0.3 1 None
20/02 AM 10.5/11.0 0.6/ 1.1 -0.2/ 0.3 1 None
20/03 PM 11.6/12.1 1.7/ 2.2 0.0/ 0.5 1-2 None
21/03 AM 9.9/10.4 0.0/ 0.5 -0.2/ 0.3 1 None
21/03 PM 11.0/11.5 1.1/ 1.6 -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
-------- --------- --------- --------- ------- --------
19/02 PM 11.8/12.3 1.7/ 2.2 -0.2/ 0.3 1 None
20/02 AM 10.6/11.1 0.5/ 1.0 -0.2/ 0.3 1 None
20/03 PM 11.5/12.0 1.4/ 1.9 -0.2/ 0.3 1-2 None
21/03 AM 10.0/10.5 -0.2/ 0.3 -0.2/ 0.3 1 None
21/03 PM 11.0/11.5 0.9/ 1.4 -0.2/ 0.3 1-2 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
-------- --------- --------- --------- ------- --------
19/02 PM 11.6/12.1 1.9/ 2.3 0.1/ 0.6 3 Minor
20/02 AM 10.2/10.7 0.5/ 1.0 0.1/ 0.6 3 None
20/03 PM 11.3/11.8 1.6/ 2.0 0.1/ 0.6 3 Minor
21/03 AM 9.8/10.3 0.1/ 0.6 0.1/ 0.6 3 None
21/03 PM 10.9/11.4 1.2/ 1.7 0.1/ 0.6 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
-------- --------- --------- --------- ------- --------
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
-------- --------- --------- --------- ------- --------
19/10 AM 6.0/ 6.5 1.6/ 2.0 0.6/ 1.1 1 None
19/11 PM 5.2/ 5.7 0.8/ 1.3 0.6/ 1.1 1 None
20/11 AM 5.7/ 6.2 1.3/ 1.8 0.6/ 1.1 1 None
21/12 AM 4.7/ 5.2 0.4/ 0.9 0.5/ 1.0 1 None
21/12 PM 5.4/ 5.9 1.0/ 1.5 0.6/ 1.1 1 None
22/01 AM 4.5/ 5.0 0.1/ 0.6 0.5/ 1.0 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
-------- --------- --------- --------- ------- --------
19/02 PM 12.7/13.2 2.6/ 3.1 0.8/ 1.3 2 Minor
20/02 AM 11.5/12.0 1.4/ 1.9 0.9/ 1.4 2 None
20/03 PM 12.5/13.0 2.3/ 2.8 0.9/ 1.4 2 None
21/03 AM 10.9/11.4 0.8/ 1.3 0.8/ 1.3 2-3 None
21/04 PM 12.0/12.5 1.9/ 2.3 0.9/ 1.4 3 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
-------- --------- --------- --------- ------- --------
19/11 AM 3.7/ 4.2 1.8/ 2.2 0.5/ 1.0 1 None
19/11 PM 3.0/ 3.5 1.0/ 1.5 0.4/ 0.9 1 None
20/11 AM 3.5/ 4.0 1.5/ 2.0 0.5/ 1.0 1 None
21/12 AM 2.7/ 3.2 0.8/ 1.3 0.4/ 0.9 1 None
21/12 PM 3.2/ 3.7 1.2/ 1.7 0.4/ 0.9 1 None
22/01 AM 2.7/ 3.2 0.7/ 1.1 0.4/ 0.9 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
-------- --------- --------- --------- ------- --------
19/02 PM 13.4/13.9 2.8/ 3.4 0.9/ 1.4 2 Minor
20/02 AM 12.2/12.7 1.7/ 2.2 1.0/ 1.5 1 None
20/03 PM 13.3/13.8 2.7/ 3.2 1.0/ 1.5 1 Minor
21/03 AM 11.6/12.1 1.1/ 1.6 0.9/ 1.4 1-2 None
21/04 PM 12.7/13.2 2.2/ 2.7 1.0/ 1.5 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
-------- --------- --------- --------- ------- --------
19/03 PM 6.6/ 7.1 -1.1/-0.7 0.6/ 1.1 3 None
20/03 AM 5.7/ 6.2 -2.0/-1.5 0.7/ 1.1 3 None
20/03 PM 6.6/ 7.1 -1.1/-0.7 0.7/ 1.1 3 None
21/04 AM 5.5/ 6.0 -2.2/-1.8 0.6/ 1.1 3 None
21/04 PM 6.4/ 6.9 -1.4/-0.9 0.7/ 1.1 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
-------- --------- --------- --------- ------- --------
19/02 PM 11.8/12.3 1.5/ 2.0 1.1/ 1.6 1 Minor
20/02 AM 10.7/11.2 0.4/ 0.9 1.2/ 1.7 1 None
20/03 PM 11.5/12.0 1.2/ 1.7 1.1/ 1.6 1 None
21/03 AM 10.1/10.6 -0.2/ 0.2 1.1/ 1.6 2 None
21/04 PM 11.0/11.5 0.7/ 1.1 1.1/ 1.6 2 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
-------- --------- --------- --------- ------- --------
19/02 PM 2.5/ 3.0 0.5/ 1.0 0.2/ 0.8 1 None
20/02 AM 2.1/ 2.6 0.1/ 0.6 0.2/ 0.8 1 None
20/03 PM 2.3/ 2.8 0.4/ 0.9 0.2/ 0.8 1 None
21/03 AM 2.0/ 2.5 0.0/ 0.5 0.2/ 0.8 1 None
21/04 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
-------- --------- --------- --------- ------- --------
19/03 PM 4.6/ 5.1 1.0/ 1.5 0.6/ 1.1 2 Minor
20/03 AM 3.9/ 4.4 0.2/ 0.8 0.7/ 1.1 2 None
20/04 PM 4.6/ 5.1 1.0/ 1.5 0.6/ 1.1 2 Minor
21/04 AM 3.5/ 4.0 -0.2/ 0.3 0.5/ 1.0 2 None
21/04 PM 4.4/ 4.9 0.8/ 1.3 0.6/ 1.1 2 None
&&
$$What forecasters said that day
The local office's own words before this coastal flood statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Boston/Norton, MA wrote its last area forecast discussion before this coastal flood statement went out at Oct 18, 3:15 PM EDT, 49 minutes earlier.
Area forecast discussion, Oct 18, 3:15 PM EDT, 49 minutes before
Area Forecast Discussion National Weather Service Boston/Norton MA 315 PM EDT Sun Oct 18 2020 .SYNOPSIS... High pressure will be in control for much of the upcoming week with mainly dry weather and above normal temperatures. A cold front may move into the region next weekend and bring some rain showers. && .NEAR TERM /THROUGH TONIGHT/... High pres over the Maritimes remains in control with ridging extending across SNE. Dry conditions expected but some mid level clouds will spill into western New Eng ahead of a shortwave tracking to the NW. May also see some lower clouds develop overnight along the immediate south coast from light onshore flow. Patchy late night radiation fog possible over portions of the CT valley and eastern MA. It will be milder tonight with lows upper 30s to mid 40s. && .SHORT TERM /MONDAY THROUGH MONDAY NIGHT/... Broad upper trough remains situated over the Great Lakes, with a series of weak shortwaves tracking to the north and west. Attendant surface cold front becomes stationary from the eastern Gt Lakes to northern NY as strong ridging remains east of New Eng. Deep moisture and showers will be confined to northern New York and VT with just a low risk a few showers possibly spilling into NW MA Mon night. Otherwise, mainly dry conditions will continue. Partly sunny skies expected Monday with the most clouds in western New Eng. Areas of stratus develop Mon night, especially along the coast. Highs will reach into mid 60s Monday, cooler along the coast from onshore flow. Lows mostly in the 40s Mon night. && .LONG TERM /TUESDAY THROUGH SUNDAY/... Highlights... * Mostly dry and quiet weather expected across southern New England for the week ahead. Isolated showers are possible, but no washouts are anticipated. Additionally, temperatures are expected to remain slightly warmer than usual. Tuesday through Thursday... Low pressure travels along a frontal boundary which will be draped to the northwest of southern New England Tuesday afternoon. The area of low pressure will edge the storm further east and could result in a few minor showers during the afternoon hours. POPs generally are between 15 and 30 with the greatest POPs in northwestern Massachusetts. High pressure briefly moves back in Tuesday evening, but is quickly pushed east by an approaching area of low pressure on Wednesday. One of the differences from the last update to this the passing of the second area of low pressure. Similar to Tuesday, the best chances for a spot shower late Wednesday are northwest of southern New England. Once again, no washouts are in the cards for the early and middle part of the upcoming week. High pressure builds back in for the remainder of the week. Mid-October temperatures average in the upper 50s to lower 60s. This week afternoon highs are in the upper 60s to 70 degrees. Thursday afternoon appears to be the warmest day with temperatures reaching 70-73 degrees. Friday through Sunday... Quiet and dry weather continues Friday and Saturday as southern New England sits at the western side of a ridge of high pressure. Latest guidance shows a cold front sliding across New England Saturday evening into early Sunday morning. Temperatures are still slightly above normal in the low 60s on Saturday and behind the cold front on Sunday temperatures are cooler in the middle and upper 60s. && .AVIATION /19Z SUNDAY THROUGH FRIDAY/... Forecaster Confidence Levels... Low - less than 30 percent. Moderate - 30 to 60 percent. High - greater than 60 percent. Through Monday...High confidence. Mainly VFR, but some MVFR cigs possibly spilling into western MA overnight and Monday. Also patchy MVFR cigs possible over ACK Monday. Patchy late night fog possible in the CT valley and interior eastern MA. Monday night...Moderate confidence. Areas of IFR stratus expected to develop along the coast and spread inland overnight but areal extent uncertain. Best chance of low stratus will be along the coast. KBOS Terminal...High confidence in TAF. KBDL Terminal...High confidence in TAF. Outlook /Tuesday through Friday/... Tuesday: Mainly VFR, with local MVFR possible. Tuesday Night: Mainly VFR, with local MVFR possible. Slight chance SHRA. Wednesday: Mainly VFR, with local IFR possible. Wednesday Night through Thursday: VFR. && .MARINE... Tranquil boating conditions through Mon night as high pres builds over the waters. Light winds with seas below SCA. Outlook /Tuesday through Friday/... Tuesday Night: Winds less than 25 kt. Seas up to 5 ft. Slight chance of rain showers. Wednesday through Wednesday Night: Winds less than 25 kt. Seas up to 5 ft. Thursday: Winds less than 25 kt. Areas of seas approaching 5 ft. && .TIDES/COASTAL FLOODING... Tides will be at their monthly highs Monday with heights within 1 foot of minor flood. Winds will be onshore each day. This combination will create some splashover along the coast, but not enough to cause significant coastal flooding. A Coastal Flood Statement will be issued for Monday to maintain awareness on this concern. && .BOX WATCHES/WARNINGS/ADVISORIES... CT...None. MA...None. RI...None. MARINE...None. && SYNOPSIS...KJC/Gaucher NEAR TERM...KJC SHORT TERM...KJC LONG TERM...Gaucher AVIATION...KJC/Gaucher MARINE...KJC/Gaucher TIDES/COASTAL FLOODING...
Hazardous weather outlook, Oct 18, 10:40 AM EDT, 5 hours 24 minutes before
Hazardous Weather Outlook National Weather Service Boston/Norton MA 1040 AM EDT Sun Oct 18 2020 CTZ002>004-MAZ002>021-026-RIZ001>008-191445- Hartford CT-Tolland CT-Windham CT-Western Franklin MA- Eastern Franklin MA-Northern Worcester MA-Central Middlesex MA- Western Essex MA-Eastern Essex MA-Western Hampshire MA- Western Hampden MA-Eastern Hampshire MA-Eastern Hampden MA- Southern Worcester MA-Western Norfolk MA-Southeast Middlesex MA- Suffolk MA-Eastern Norfolk MA-Northern Bristol MA- Western Plymouth MA-Eastern Plymouth MA-Southern Bristol MA- Southern Plymouth MA-Northern Middlesex MA-Northwest Providence RI- Southeast Providence RI-Western Kent RI-Eastern Kent RI-Bristol RI- Washington RI-Newport RI-Block Island RI- 1040 AM EDT Sun Oct 18 2020 This Hazardous Weather Outlook is for northern Connecticut, central Massachusetts, eastern Massachusetts, northeastern Massachusetts, southeastern Massachusetts, western Massachusetts, and Rhode Island. .DAY ONE...Today and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Monday through Saturday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. ANZ230>237-250-251-254>256-191445- Boston Harbor-Cape Cod Bay-Nantucket Sound-Vineyard Sound- Buzzards Bay-Rhode Island Sound-Narragansett Bay-Block Island Sound- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary-Massachusetts Bay and Ipswich Bay- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1040 AM EDT Sun Oct 18 2020 This Hazardous Weather Outlook is for Massachusetts and Rhode Island coastal waters. .DAY ONE...Today and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Monday through Saturday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. MAZ022>024-191445- Barnstable MA-Dukes MA-Nantucket MA- 1040 AM EDT Sun Oct 18 2020 This Hazardous Weather Outlook is for southeastern Massachusetts. .DAY ONE...Today and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Monday through Saturday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. For more information on upcoming hazardous weather, please see the Area Forecast Discussion on our webpage for the latest forecast thinking. There is also our Enhanced Hazardous Weather Outlook at www.weather.gov/box/ehwo For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/us.nationalweatherservice.boston.gov You can follow us on Twitter at @NWSBoston
Nearby
Coastal Flood Statements in Massachusetts, 2020Every coastal flood statement in 2020
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.