Alert archive / Massachusetts / Coastal Flood Statements in 2021
Coastal Flood Statement 2, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this coastal flood statement at Jan 5, 2021, 7:54 PM EST for 5 counties in Massachusetts. It took effect at Jan 5, 2021, 11:00 PM EST. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Jan 5, 2021, 7:54 PM EST (00:54 UTC)
- In effect from
- Jan 5, 2021, 11:00 PM EST
- Expired
- Jan 6, 2021, 7:00 AM EST
- In force
- 8 hr
- Issued by
- NWS Boston/Norton, MA
Counties Barnstable County, MA, Essex County, MA, Nantucket County, MA, Norfolk County, MA, Plymouth County, MA
The radar
The Boston radar (KBOX), 43 km from the middle of the area, began a volume at 00:53 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 00:00Z, 0.9 hours before the alert went out and 62 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
- 559 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 149 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
737
WHUS41 KBOX 060054
CFWBOX
Coastal Hazard Message
National Weather Service Boston/Norton MA
754 PM EST Tue Jan 5 2021
MAZ007-019-022-024-060900-
/O.NEW.KBOX.CF.S.0002.210106T0400Z-210106T1200Z/
Eastern Essex MA-Eastern Plymouth MA-Barnstable MA-Nantucket MA-
754 PM EST Tue Jan 5 2021
* WHAT...Up to one half foot of inundation above ground level
expected in low-lying areas near shorelines and tidal
waterways (4.2 to 12.3 feet Mean Lower Low Water).
* WHERE...Eastern Plymouth, Eastern Essex, Barnstable
and Nantucket Counties.
* WHEN...From 11 PM this evening to 7 AM EST Wednesday.
* 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. Minor coastal flooding begins on Easy Street in
Nantucket.
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
-------- --------- --------- --------- ------- --------
06/05 AM 9.3/ 9.8 -0.2/ 0.2 1.0/ 1.5 1 None
06/05 PM 9.0/ 9.5 -0.6/-0.1 1.0/ 1.5 1 None
07/06 AM 9.7/10.2 0.2/ 0.7 1.2/ 1.7 1 None
07/06 PM 9.0/ 9.5 -0.6/-0.1 1.2/ 1.7 1 None
08/07 AM 9.8/10.3 0.2/ 0.8 1.0/ 1.5 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
-------- --------- --------- --------- ------- --------
06/04 AM 11.3/11.8 1.8/ 2.2 2.0/ 2.5 8-10 Minor
06/05 PM 10.8/11.3 1.3/ 1.8 1.7/ 2.2 7-8 None
07/05 AM 11.3/11.8 1.8/ 2.2 1.8/ 2.2 5-6 Minor
07/06 PM 10.7/11.2 1.2/ 1.7 1.8/ 2.2 4-5 None
08/06 AM 11.5/12.0 2.0/ 2.5 1.7/ 2.2 3 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
-------- --------- --------- --------- ------- --------
06/04 AM 11.0/11.5 1.3/ 1.8 1.6/ 2.0 7-9 None
06/05 PM 10.9/11.4 1.2/ 1.7 1.8/ 2.2 6-8 None
07/05 AM 11.6/12.1 1.9/ 2.3 1.9/ 2.3 5-6 Minor
07/06 PM 11.0/11.5 1.3/ 1.8 2.1/ 2.6 4-5 None
08/06 AM 11.8/12.3 2.1/ 2.6 1.9/ 2.3 3-4 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
-------- --------- --------- --------- ------- --------
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
-------- --------- --------- --------- ------- --------
06/01 AM 6.0/ 6.5 1.6/ 2.0 2.0/ 2.5 1-2 None
06/02 PM 5.6/ 6.1 1.2/ 1.7 2.0/ 2.5 1 None
07/02 AM 6.2/ 6.7 1.8/ 2.2 2.0/ 2.5 1 Minor
07/02 PM 5.5/ 6.0 1.1/ 1.6 2.1/ 2.6 1 None
08/03 AM 6.2/ 6.7 1.8/ 2.2 1.9/ 2.3 1 Minor
08/03 PM 5.6/ 6.1 1.2/ 1.7 2.2/ 2.7 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
-------- --------- --------- --------- ------- --------
06/04 AM 12.0/12.5 1.9/ 2.3 2.0/ 2.5 3-4 None
06/05 PM 11.8/12.3 1.7/ 2.2 2.0/ 2.5 3-4 None
07/05 AM 12.1/12.6 2.0/ 2.5 1.9/ 2.3 2-3 None
07/06 PM 11.6/12.1 1.5/ 2.0 2.1/ 2.6 4 None
08/06 AM 12.3/12.8 2.2/ 2.7 1.9/ 2.3 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
-------- --------- --------- --------- ------- --------
06/01 AM 4.0/ 4.5 2.0/ 2.5 1.8/ 2.2 2 None
06/01 PM 4.0/ 4.5 2.0/ 2.5 2.0/ 2.5 1-2 None
07/02 AM 4.2/ 4.7 2.2/ 2.7 2.0/ 2.5 1 None
07/02 PM 4.0/ 4.5 2.1/ 2.6 2.2/ 2.7 1 None
08/03 AM 4.5/ 5.0 2.5/ 3.0 2.1/ 2.6 1 None
08/03 PM 4.0/ 4.5 2.0/ 2.5 2.2/ 2.7 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
-------- --------- --------- --------- ------- --------
06/05 AM 12.1/12.6 1.6/ 2.0 2.0/ 2.5 2-3 None
06/05 PM 11.9/12.4 1.4/ 1.9 2.0/ 2.5 2-3 None
07/05 AM 12.5/13.0 2.0/ 2.5 2.1/ 2.6 2 None
07/06 PM 12.1/12.6 1.6/ 2.0 2.5/ 3.0 3 None
08/06 AM 13.0/13.5 2.5/ 3.0 2.2/ 2.7 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
-------- --------- --------- --------- ------- --------
06/05 AM 6.7/ 7.2 -1.1/-0.6 1.9/ 2.3 7-8 None
06/06 PM 6.5/ 7.0 -1.3/-0.8 1.8/ 2.2 6-7 None
07/06 AM 6.8/ 7.3 -1.0/-0.5 1.8/ 2.2 5-6 None
07/06 PM 6.2/ 6.7 -1.6/-1.1 1.8/ 2.2 5 None
08/07 AM 6.7/ 7.2 -1.1/-0.6 1.5/ 2.0 4 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
-------- --------- --------- --------- ------- --------
06/04 AM 10.6/11.1 0.2/ 0.8 2.0/ 2.5 4 None
06/05 PM 10.4/10.9 0.1/ 0.6 2.0/ 2.5 3-4 None
07/05 AM 10.8/11.3 0.5/ 1.0 1.9/ 2.3 3 None
07/06 PM 10.3/10.8 0.0/ 0.5 2.1/ 2.6 3 None
08/06 AM 11.2/11.7 0.9/ 1.4 2.0/ 2.5 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
-------- --------- --------- --------- ------- --------
06/05 AM 5.1/ 5.6 1.5/ 2.0 2.0/ 2.5 4-5 Minor
06/06 PM 5.0/ 5.5 1.4/ 1.9 2.0/ 2.5 3-4 Minor
07/06 AM 5.4/ 5.9 1.8/ 2.2 2.1/ 2.6 3 Minor
07/06 PM 5.1/ 5.6 1.5/ 2.0 2.3/ 2.8 2 Minor
08/07 AM 5.6/ 6.1 2.0/ 2.5 2.1/ 2.6 1-2 Minor
&&
$$2 follow-up statements
677
WHUS41 KBOX 060104
CFWBOX
Coastal Hazard Message
National Weather Service Boston/Norton MA
804 PM EST Tue Jan 5 2021
MAZ024-060915-
/O.CAN.KBOX.CF.S.0002.210106T0400Z-210106T1200Z/
/O.NEW.KBOX.CF.Y.0002.210106T0400Z-210106T1200Z/
Nantucket MA-
804 PM EST Tue Jan 5 2021
...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 7 AM EST WEDNESDAY...
* WHAT...Up to one half foot of inundation above ground level
expected in low-lying areas near shorelines and tidal
waterways (5.1 to 5.3 feet Mean Lower Low Water).
* WHERE...Nantucket County.
* WHEN...Until 7 AM EST Wednesday.
* IMPACTS...Minor coastal flooding begins on Easy Street in
Nantucket.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.
&&
&&
Time of high total tides are approximate to the nearest hour.
Nantucket Harbor
MLLW Categories - Minor 5.0 ft, Moderate 6.5 ft, Major 8.0 ft
MHHW Categories - Minor 1.4 ft, Moderate 2.9 ft, Major 4.4 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
06/05 AM 5.1/ 5.6 1.5/ 2.0 2.0/ 2.5 4-5 Minor
06/06 PM 5.0/ 5.5 1.4/ 1.9 2.0/ 2.5 3-4 Minor
07/06 AM 5.4/ 5.9 1.8/ 2.2 2.1/ 2.6 3 Minor
07/06 PM 5.1/ 5.6 1.5/ 2.0 2.3/ 2.8 2 Minor
08/07 AM 5.6/ 6.1 2.0/ 2.5 2.1/ 2.6 1-2 Minor
&&
$$
MAZ007-019-022-060915-
/O.CON.KBOX.CF.S.0002.210106T0400Z-210106T1200Z/
Eastern Essex MA-Eastern Plymouth MA-Barnstable MA-
804 PM EST Tue Jan 5 2021
* WHAT...Up to one half foot of inundation above ground level
expected in low-lying areas near shorelines and tidal
waterways (4.2 to 12.3 feet Mean Lower Low Water).
* WHERE...Eastern Plymouth MA, Eastern Essex MA and Barnstable
MA Counties.
* WHEN...Until 7 AM EST Wednesday.
* IMPACTS...Pockets of 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
-------- --------- --------- --------- ------- --------
06/05 AM 9.3/ 9.8 -0.2/ 0.2 1.0/ 1.5 1 None
06/05 PM 9.0/ 9.5 -0.6/-0.1 1.0/ 1.5 1 None
07/06 AM 9.7/10.2 0.2/ 0.7 1.2/ 1.7 1 None
07/06 PM 9.0/ 9.5 -0.6/-0.1 1.2/ 1.7 1 None
08/07 AM 9.8/10.3 0.2/ 0.8 1.0/ 1.5 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
-------- --------- --------- --------- ------- --------
06/04 AM 11.3/11.8 1.8/ 2.2 2.0/ 2.5 8-10 Minor
06/05 PM 10.8/11.3 1.3/ 1.8 1.7/ 2.2 7-8 None
07/05 AM 11.3/11.8 1.8/ 2.2 1.8/ 2.2 5-6 Minor
07/06 PM 10.7/11.2 1.2/ 1.7 1.8/ 2.2 4-5 None
08/06 AM 11.5/12.0 2.0/ 2.5 1.7/ 2.2 3 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
-------- --------- --------- --------- ------- --------
06/04 AM 11.0/11.5 1.3/ 1.8 1.6/ 2.0 7-9 None
06/05 PM 10.9/11.4 1.2/ 1.7 1.8/ 2.2 6-8 None
07/05 AM 11.6/12.1 1.9/ 2.3 1.9/ 2.3 5-6 Minor
07/06 PM 11.0/11.5 1.3/ 1.8 2.1/ 2.6 4-5 None
08/06 AM 11.8/12.3 2.1/ 2.6 1.9/ 2.3 3-4 Minor
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
-------- --------- --------- --------- ------- --------
06/01 AM 6.0/ 6.5 1.6/ 2.0 2.0/ 2.5 1-2 None
06/02 PM 5.6/ 6.1 1.2/ 1.7 2.0/ 2.5 1 None
07/02 AM 6.2/ 6.7 1.8/ 2.2 2.0/ 2.5 1 Minor
07/02 PM 5.5/ 6.0 1.1/ 1.6 2.1/ 2.6 1 None
08/03 AM 6.2/ 6.7 1.8/ 2.2 1.9/ 2.3 1 Minor
08/03 PM 5.6/ 6.1 1.2/ 1.7 2.2/ 2.7 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
-------- --------- --------- --------- ------- --------
06/04 AM 12.0/12.5 1.9/ 2.3 2.0/ 2.5 3-4 None
06/05 PM 11.8/12.3 1.7/ 2.2 2.0/ 2.5 3-4 None
07/05 AM 12.1/12.6 2.0/ 2.5 1.9/ 2.3 2-3 None
07/06 PM 11.6/12.1 1.5/ 2.0 2.1/ 2.6 4 None
08/06 AM 12.3/12.8 2.2/ 2.7 1.9/ 2.3 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
-------- --------- --------- --------- ------- --------
06/01 AM 4.0/ 4.5 2.0/ 2.5 1.8/ 2.2 2 None
06/01 PM 4.0/ 4.5 2.0/ 2.5 2.0/ 2.5 1-2 None
07/02 AM 4.2/ 4.7 2.2/ 2.7 2.0/ 2.5 1 None
07/02 PM 4.0/ 4.5 2.1/ 2.6 2.2/ 2.7 1 None
08/03 AM 4.5/ 5.0 2.5/ 3.0 2.1/ 2.6 1 None
08/03 PM 4.0/ 4.5 2.0/ 2.5 2.2/ 2.7 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
-------- --------- --------- --------- ------- --------
06/05 AM 12.1/12.6 1.6/ 2.0 2.0/ 2.5 2-3 None
06/05 PM 11.9/12.4 1.4/ 1.9 2.0/ 2.5 2-3 None
07/05 AM 12.5/13.0 2.0/ 2.5 2.1/ 2.6 2 None
07/06 PM 12.1/12.6 1.6/ 2.0 2.5/ 3.0 3 None
08/06 AM 13.0/13.5 2.5/ 3.0 2.2/ 2.7 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
-------- --------- --------- --------- ------- --------
06/05 AM 6.7/ 7.2 -1.1/-0.6 1.9/ 2.3 7-8 None
06/06 PM 6.5/ 7.0 -1.3/-0.8 1.8/ 2.2 6-7 None
07/06 AM 6.8/ 7.3 -1.0/-0.5 1.8/ 2.2 5-6 None
07/06 PM 6.2/ 6.7 -1.6/-1.1 1.8/ 2.2 5 None
08/07 AM 6.7/ 7.2 -1.1/-0.6 1.5/ 2.0 4 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
-------- --------- --------- --------- ------- --------
06/04 AM 10.6/11.1 0.2/ 0.8 2.0/ 2.5 4 None
06/05 PM 10.4/10.9 0.1/ 0.6 2.0/ 2.5 3-4 None
07/05 AM 10.8/11.3 0.5/ 1.0 1.9/ 2.3 3 None
07/06 PM 10.3/10.8 0.0/ 0.5 2.1/ 2.6 3 None
08/06 AM 11.2/11.7 0.9/ 1.4 2.0/ 2.5 2-3 None
&&
$$649
WHUS41 KBOX 060812
CFWBOX
Coastal Hazard Message
National Weather Service Boston/Norton MA
312 AM EST Wed Jan 6 2021
MAZ024-061200-
/O.CON.KBOX.CF.Y.0002.000000T0000Z-210106T1200Z/
Nantucket MA-
312 AM EST Wed Jan 6 2021
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS
MORNING...
* WHAT...Up to one half foot of inundation above ground level
expected in low-lying areas near shorelines and tidal
waterways (5.1 to 5.3 feet Mean Lower Low Water).
* WHERE...Nantucket County.
* WHEN...Until 7 AM EST Wednesday.
* IMPACTS...Minor coastal flooding begins on Easy Street in
Nantucket.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.
&&
&&
Time of high total tides are approximate to the nearest hour.
Nantucket Harbor
MLLW Categories - Minor 5.0 ft, Moderate 6.5 ft, Major 8.0 ft
MHHW Categories - Minor 1.4 ft, Moderate 2.9 ft, Major 4.4 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
06/05 AM 5.1/ 5.6 1.5/ 2.0 2.0/ 2.5 4-5 Minor
06/06 PM 5.0/ 5.5 1.4/ 1.9 2.0/ 2.5 3-4 Minor
07/06 AM 5.4/ 5.9 1.8/ 2.2 2.1/ 2.6 3 Minor
07/06 PM 5.1/ 5.6 1.5/ 2.0 2.3/ 2.8 2 Minor
08/07 AM 5.6/ 6.1 2.0/ 2.5 2.1/ 2.6 1-2 Minor
&&
$$
MAZ007-019-022-061200-
/O.CON.KBOX.CF.S.0002.000000T0000Z-210106T1200Z/
Eastern Essex MA-Eastern Plymouth MA-Barnstable MA-
312 AM EST Wed Jan 6 2021
* WHAT...Less than one half foot of inundation above ground level
expected in low-lying areas near shorelines and tidal
waterways (4.2 to 12.3 feet Mean Lower Low Water).
* WHERE...Eastern Plymouth MA, Eastern Essex MA and Barnstable
MA Counties.
* WHEN...Until 7 AM EST Wednesday.
* IMPACTS...Pockets of 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
-------- --------- --------- --------- ------- --------
06/05 AM 9.3/ 9.8 -0.2/ 0.2 1.0/ 1.5 1 None
06/05 PM 9.0/ 9.5 -0.6/-0.1 1.0/ 1.5 1 None
07/06 AM 9.7/10.2 0.2/ 0.7 1.2/ 1.7 1 None
07/06 PM 9.0/ 9.5 -0.6/-0.1 1.2/ 1.7 1 None
08/07 AM 9.8/10.3 0.2/ 0.8 1.0/ 1.5 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
-------- --------- --------- --------- ------- --------
06/04 AM 11.3/11.8 1.8/ 2.2 2.0/ 2.5 8-10 Minor
06/05 PM 10.8/11.3 1.3/ 1.8 1.7/ 2.2 7-8 None
07/05 AM 11.3/11.8 1.8/ 2.2 1.8/ 2.2 5-6 Minor
07/06 PM 10.7/11.2 1.2/ 1.7 1.8/ 2.2 4-5 None
08/06 AM 11.5/12.0 2.0/ 2.5 1.7/ 2.2 3 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
-------- --------- --------- --------- ------- --------
06/04 AM 11.0/11.5 1.3/ 1.8 1.6/ 2.0 7-9 None
06/05 PM 10.9/11.4 1.2/ 1.7 1.8/ 2.2 6-8 None
07/05 AM 11.6/12.1 1.9/ 2.3 1.9/ 2.3 5-6 Minor
07/06 PM 11.0/11.5 1.3/ 1.8 2.1/ 2.6 4-5 None
08/06 AM 11.8/12.3 2.1/ 2.6 1.9/ 2.3 3-4 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
-------- --------- --------- --------- ------- --------
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
-------- --------- --------- --------- ------- --------
06/01 AM 6.0/ 6.5 1.6/ 2.0 2.0/ 2.5 1-2 None
06/02 PM 5.6/ 6.1 1.2/ 1.7 2.0/ 2.5 1 None
07/02 AM 6.2/ 6.7 1.8/ 2.2 2.0/ 2.5 1 Minor
07/02 PM 5.5/ 6.0 1.1/ 1.6 2.1/ 2.6 1 None
08/03 AM 6.2/ 6.7 1.8/ 2.2 1.9/ 2.3 1 Minor
08/03 PM 5.6/ 6.1 1.2/ 1.7 2.2/ 2.7 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
-------- --------- --------- --------- ------- --------
06/04 AM 12.0/12.5 1.9/ 2.3 2.0/ 2.5 3-4 None
06/05 PM 11.8/12.3 1.7/ 2.2 2.0/ 2.5 3-4 None
07/05 AM 12.1/12.6 2.0/ 2.5 1.9/ 2.3 2-3 None
07/06 PM 11.6/12.1 1.5/ 2.0 2.1/ 2.6 4 None
08/06 AM 12.3/12.8 2.2/ 2.7 1.9/ 2.3 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
-------- --------- --------- --------- ------- --------
06/01 AM 4.0/ 4.5 2.0/ 2.5 1.8/ 2.2 2 None
06/01 PM 4.0/ 4.5 2.0/ 2.5 2.0/ 2.5 1-2 None
07/02 AM 4.2/ 4.7 2.2/ 2.7 2.0/ 2.5 1 None
07/02 PM 4.0/ 4.5 2.1/ 2.6 2.2/ 2.7 1 None
08/03 AM 4.5/ 5.0 2.5/ 3.0 2.1/ 2.6 1 None
08/03 PM 4.0/ 4.5 2.0/ 2.5 2.2/ 2.7 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
-------- --------- --------- --------- ------- --------
06/05 AM 12.1/12.6 1.6/ 2.0 2.0/ 2.5 2-3 None
06/05 PM 11.9/12.4 1.4/ 1.9 2.0/ 2.5 2-3 None
07/05 AM 12.5/13.0 2.0/ 2.5 2.1/ 2.6 2 None
07/06 PM 12.1/12.6 1.6/ 2.0 2.5/ 3.0 3 None
08/06 AM 13.0/13.5 2.5/ 3.0 2.2/ 2.7 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
-------- --------- --------- --------- ------- --------
06/05 AM 6.7/ 7.2 -1.1/-0.6 1.9/ 2.3 7-8 None
06/06 PM 6.5/ 7.0 -1.3/-0.8 1.8/ 2.2 6-7 None
07/06 AM 6.8/ 7.3 -1.0/-0.5 1.8/ 2.2 5-6 None
07/06 PM 6.2/ 6.7 -1.6/-1.1 1.8/ 2.2 5 None
08/07 AM 6.7/ 7.2 -1.1/-0.6 1.5/ 2.0 4 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
-------- --------- --------- --------- ------- --------
06/04 AM 10.6/11.1 0.2/ 0.8 2.0/ 2.5 4 None
06/05 PM 10.4/10.9 0.1/ 0.6 2.0/ 2.5 3-4 None
07/05 AM 10.8/11.3 0.5/ 1.0 1.9/ 2.3 3 None
07/06 PM 10.3/10.8 0.0/ 0.5 2.1/ 2.6 3 None
08/06 AM 11.2/11.7 0.9/ 1.4 2.0/ 2.5 2-3 None
&&
$$The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 5, 8:04 PM EST | Coastal Flood Advisory | BOX | Nantucket | 11 hr |
| Jan 5, 8:14 PM EST | Special Weather Statement | BOX | Worcester | 91 min |
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.