Marine Coastal Hazard Message - Issued When Needed Check the date
Expires:202101162000;Remove:202101162000;008771
WHUS41 KBOX 161500
CFWBOX
Coastal Hazard Message
National Weather Service Boston/Norton MA
1000 AM EST Sat Jan 16 2021
MAZ007-015-019-162000-
/O.CON.KBOX.CF.Y.0003.000000T0000Z-210116T2000Z/
Eastern Essex MA-Suffolk MA-Eastern Plymouth MA-
1000 AM EST Sat Jan 16 2021
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 3 PM EST THIS
AFTERNOON...
* WHAT...Up to one half foot of inundation above ground level
expected in low-lying areas near shorelines and tidal
waterways (9.8 to 12.0 feet Mean Lower Low Water).
* WHERE...Suffolk MA, Eastern Essex MA and Eastern Plymouth MA
Counties.
* WHEN...Until 3 PM EST this afternoon.
* IMPACTS...Minor coastal flooding is expected along the North
Shore from Gloucester to Newburyport. Wave action will likely
cause some washover onto coastal roads around the time of high
tide.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
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
-------- --------- --------- --------- ------- --------
16/02 PM 9.6/10.1 0.1/ 0.6 0.8/ 1.3 1 None
17/02 AM 7.8/ 8.4 -1.7/-1.2 0.1/ 0.6 1 None
17/02 PM 8.2/ 8.7 -1.4/-0.9 -0.2/ 0.2 1 None
18/03 AM 7.6/ 8.1 -2.0/-1.5 -0.2/ 0.2 1 None
18/03 PM 7.8/ 8.3 -1.8/-1.3 -0.2/ 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
-------- --------- --------- --------- ------- --------
16/01 PM 11.3/11.8 1.8/ 2.2 1.4/ 1.9 15-18 Minor
17/02 AM 9.7/10.2 0.2/ 0.7 0.8/ 1.3 8-9 None
17/02 PM 9.5/10.0 0.0/ 0.5 0.0/ 0.5 6-7 None
18/03 AM 8.5/ 9.0 -1.1/-0.6 -0.2/ 0.2 3-4 None
18/03 PM 8.9/ 9.4 -0.7/-0.2 0.0/ 0.5 3 None
Revere
MLLW Categories - Minor 12.5 ft, Moderate 14.5 ft, Major 16.0 ft
MHHW Categories - Minor 2.6 ft, Moderate 4.6 ft, Major 6.1 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
16/01 PM 11.8/12.3 1.9/ 2.3 1.4/ 1.9 5 None
17/02 AM 10.0/10.5 0.1/ 0.6 0.7/ 1.1 2-3 None
17/02 PM 9.8/10.3 -0.2/ 0.3 -0.2/ 0.3 1-2 None
18/03 AM 8.8/ 9.3 -1.1/-0.7 -0.2/ 0.2 1 None
18/03 PM 9.3/ 9.8 -0.7/-0.2 0.0/ 0.5 2 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
-------- --------- --------- --------- ------- --------
16/01 PM 11.6/12.1 1.5/ 2.0 1.2/ 1.7 9 None
17/02 AM 9.1/ 9.6 -1.1/-0.6 -0.2/ 0.2 5 None
17/02 PM 9.7/10.2 -0.5/ 0.0 -0.2/ 0.2 3-4 None
18/03 AM 8.9/ 9.4 -1.3/-0.8 -0.2/ 0.2 2 None
18/03 PM 9.1/ 9.6 -1.1/-0.6 -0.2/ 0.2 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
-------- --------- --------- --------- ------- --------
16/01 PM 11.6/12.1 1.9/ 2.3 1.5/ 2.0 10-12 Minor
17/02 AM 9.9/10.4 0.2/ 0.7 0.9/ 1.4 6-7 None
17/02 PM 9.7/10.2 0.0/ 0.5 0.1/ 0.6 4-5 None
18/03 AM 8.7/ 9.2 -1.1/-0.6 -0.2/ 0.2 2-3 None
18/03 PM 9.3/ 9.8 -0.5/ 0.0 0.2/ 0.7 2 None
&&
$$
