BOX extends time of High Surf Advisory for Southern Bristol [MA] and Block Island, Newport, Washington [RI] till Sep 22, 8:00 PM EDT
050
WHUS41 KBOX 211912
CFWBOX
Coastal Hazard Message
National Weather Service Boston/Norton MA
312 PM EDT Sat Sep 21 2024
MAZ007-019-022>024-220815-
/O.EXT.KBOX.SU.Y.0006.000000T0000Z-240923T0000Z/
/O.CON.KBOX.CF.Y.0010.000000T0000Z-240921T2100Z/
/O.CON.KBOX.CF.Y.0011.240922T1600Z-240922T2200Z/
Eastern Essex MA-Eastern Plymouth MA-Barnstable MA-Dukes MA-
Nantucket MA-
312 PM EDT Sat Sep 21 2024
...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 8 PM EDT SUNDAY...
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON...
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM NOON TO 6 PM EDT
SUNDAY...
* WHAT...For the High Surf Advisory, large breaking waves of 7
to 11 feet in the surf zone. For the first Coastal Flood
Advisory, up to one half foot of inundation above ground level
in low-lying areas near shorelines and tidal waterways (1.3 to
12.9 feet Mean Lower Low Water). For the second Coastal Flood
Advisory, 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 Essex MA, Eastern Plymouth MA, Barnstable MA,
Dukes MA and Nantucket MA Counties.
* WHEN...For the High Surf Advisory, until 8 PM EDT Sunday. For
the first Coastal Flood Advisory, until 5 PM EDT this
afternoon. For the second Coastal Flood Advisory, from noon to
6 PM EDT Sunday.
* IMPACTS...Roads remain passable. Shallow pockets of flooding
less than one foot deep affect more vulnerable coastal roads
along the North Shore from Salem and Gloucester to
Newburyport. Rough surf will likely cause some splashover onto
coastal roads around the time of high tide. Roads remain
passable. Low lying areas and roads near Nantucket Harbor,
including Easy Street, may experience pockets of shallow
flooding less than one foot deep. Dangerous swimming and
surfing conditions and localized beach erosion.
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.
Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.
&&
&&
Time of high total tides are approximate to the nearest hour.
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
-------- --------- --------- --------- ------- --------
21/02 PM 11.6/12.1 2.1/ 2.6 0.6/ 1.1 9 Minor
22/03 AM 10.5/11.0 1.0/ 1.5 0.6/ 1.1 7 None
22/03 PM 11.5/12.0 2.0/ 2.5 0.8/ 1.3 7 Minor
23/04 AM 9.9/10.4 0.4/ 0.9 0.6/ 1.1 7 None
23/04 PM 10.6/11.1 1.1/ 1.6 0.2/ 0.8 7 None
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
-------- --------- --------- --------- ------- --------
21/03 PM 10.6/11.1 1.1/ 1.6 0.6/ 1.1 6-7 None
22/03 AM 9.4/ 9.9 -0.2/ 0.3 0.6/ 1.1 5 None
22/03 PM 10.6/11.1 1.1/ 1.6 0.8/ 1.3 6 None
23/04 AM 8.9/ 9.4 -0.7/-0.2 0.6/ 1.1 6 None
23/04 PM 9.7/10.2 0.2/ 0.7 0.2/ 0.8 6 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
-------- --------- --------- --------- ------- --------
21/02 PM 12.1/12.6 2.3/ 2.8 0.9/ 1.4 8-9 Minor
22/03 AM 10.9/11.4 1.2/ 1.7 1.0/ 1.5 6 None
22/03 PM 12.1/12.6 2.3/ 2.8 1.2/ 1.7 6-7 Minor
23/04 AM 10.3/10.8 0.6/ 1.1 0.9/ 1.4 6 None
23/04 PM 11.1/11.6 1.4/ 1.9 0.6/ 1.1 6 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
-------- --------- --------- --------- ------- --------
21/11 AM 3.7/ 4.2 1.7/ 2.2 0.6/ 1.1 4 None
21/11 PM 3.1/ 3.6 1.1/ 1.6 0.7/ 1.1 3 None
22/12 PM 3.9/ 4.4 1.9/ 2.3 0.9/ 1.4 3 None
23/12 AM 3.1/ 3.6 1.1/ 1.6 0.9/ 1.4 3 None
23/01 PM 3.4/ 3.9 1.4/ 1.9 0.7/ 1.1 3 None
24/01 AM 2.5/ 3.0 0.5/ 1.0 0.4/ 0.9 2-3 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
-------- --------- --------- --------- ------- --------
21/03 PM 7.1/ 7.6 -0.7/-0.2 1.0/ 1.5 8 None
22/04 AM 6.2/ 6.7 -1.6/-1.1 1.0/ 1.5 6-7 None
22/04 PM 7.2/ 7.7 -0.6/-0.1 1.2/ 1.7 7 None
23/05 AM 5.9/ 6.4 -1.9/-1.4 1.0/ 1.5 7 None
23/05 PM 6.5/ 7.0 -1.3/-0.8 0.7/ 1.1 6-7 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
-------- --------- --------- --------- ------- --------
21/03 PM 6.0/ 6.5 1.5/ 2.0 1.0/ 1.5 6-7 None
22/04 AM 5.1/ 5.6 0.6/ 1.1 1.0/ 1.5 5 None
22/04 PM 6.2/ 6.7 1.7/ 2.2 1.2/ 1.7 5-6 None
23/05 AM 4.9/ 5.4 0.4/ 0.9 1.0/ 1.5 6 None
23/05 PM 5.5/ 6.0 1.0/ 1.5 0.7/ 1.1 5-6 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
-------- --------- --------- --------- ------- --------
21/02 PM 12.4/12.9 2.2/ 2.7 0.8/ 1.3 7-8 None
22/03 AM 11.2/11.7 1.1/ 1.6 0.8/ 1.3 5-6 None
22/03 PM 12.3/12.8 2.2/ 2.7 1.0/ 1.5 6 None
23/04 AM 10.6/11.1 0.5/ 1.0 0.8/ 1.3 6 None
23/04 PM 11.2/11.7 1.1/ 1.6 0.4/ 0.9 5 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
-------- --------- --------- --------- ------- --------
21/02 PM 13.4/13.9 2.8/ 3.4 1.2/ 1.7 5 Minor
22/03 AM 12.0/12.5 1.5/ 2.0 1.1/ 1.6 4 None
22/03 PM 13.1/13.6 2.6/ 3.1 1.2/ 1.7 4 Minor
23/04 AM 11.3/11.8 0.8/ 1.3 1.0/ 1.5 4 None
23/04 PM 12.1/12.6 1.6/ 2.0 0.7/ 1.1 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
-------- --------- --------- --------- ------- --------
21/02 PM 12.0/12.5 1.7/ 2.2 1.6/ 2.0 5 Minor
22/03 AM 10.8/11.3 0.5/ 1.0 1.6/ 2.0 4 None
22/03 PM 11.7/12.2 1.4/ 1.9 1.6/ 2.0 4 None
23/04 AM 10.2/10.7 -0.2/ 0.3 1.5/ 2.0 5 None
23/04 PM 10.7/11.2 0.4/ 0.9 1.1/ 1.6 5 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
-------- --------- --------- --------- ------- --------
21/12 PM 5.1/ 5.6 0.7/ 1.1 0.2/ 0.7 5 None
22/12 AM 4.5/ 5.0 0.1/ 0.6 0.2/ 0.7 4 None
22/12 PM 5.2/ 5.7 0.8/ 1.3 0.2/ 0.7 4-5 None
23/01 AM 4.2/ 4.7 -0.2/ 0.3 0.4/ 0.9 6 None
23/01 PM 4.7/ 5.2 0.4/ 0.9 0.2/ 0.7 6 None
24/02 AM 3.6/ 4.1 -0.9/-0.4 -0.2/ 0.3 5 None
Edgartown
MLLW Categories - Minor 4.0 ft, Moderate 5.0 ft, Major 7.0 ft
MHHW Categories - Minor 3.2 ft, Moderate 4.2 ft, Major 6.2 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
21/03 PM 3.9/ 4.4 3.1/ 3.6 1.2/ 1.7 5 Minor
22/04 AM 3.2/ 3.7 2.3/ 2.8 1.2/ 1.7 3-4 None
22/04 PM 4.0/ 4.5 3.2/ 3.7 1.4/ 1.9 4 Minor
23/05 AM 3.2/ 3.7 2.3/ 2.8 1.3/ 1.8 4 None
23/05 PM 3.6/ 4.1 2.7/ 3.2 1.0/ 1.5 4 None
Vineyard Haven
MLLW Categories - Minor 4.5 ft, Moderate 6.0 ft, Major 7.0 ft
MHHW Categories - Minor 2.5 ft, Moderate 4.0 ft, Major 5.0 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
21/03 PM 3.2/ 3.7 1.3/ 1.8 1.2/ 1.7 4 None
22/04 AM 2.8/ 3.4 0.9/ 1.4 1.2/ 1.7 3 None
22/04 PM 3.4/ 3.9 1.4/ 1.9 1.4/ 1.9 3-4 None
23/04 AM 2.8/ 3.4 0.9/ 1.4 1.2/ 1.7 3 None
23/05 PM 2.7/ 3.2 0.8/ 1.3 1.0/ 1.5 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
-------- --------- --------- --------- ------- --------
21/03 PM 5.1/ 5.6 1.5/ 2.0 1.2/ 1.7 6-7 Minor
22/04 AM 4.4/ 4.9 0.8/ 1.3 1.2/ 1.7 5 None
22/04 PM 5.2/ 5.7 1.6/ 2.0 1.3/ 1.8 5-6 Minor
23/05 AM 4.2/ 4.7 0.6/ 1.1 1.2/ 1.7 6 None
23/05 PM 4.6/ 5.1 1.0/ 1.5 0.8/ 1.3 5 None
&&
$$
MAZ020-RIZ006>008-220815-
/O.EXT.KBOX.SU.Y.0006.000000T0000Z-240923T0000Z/
Southern Bristol MA-Washington RI-Newport RI-Block Island RI-
312 PM EDT Sat Sep 21 2024
...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 8 PM EDT SUNDAY...
* WHAT...Large breaking waves of 5 to 9 feet in the surf zone.
* WHERE...Washington, Southern Bristol MA, and Newport RI
Counties.
* WHEN...Until 8 PM EDT Sunday.
* IMPACTS...Dangerous swimming and surfing conditions and
localized beach erosion.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.
&&
$$
MAZ015-016-220815-
/O.CON.KBOX.CF.Y.0010.000000T0000Z-240921T2100Z/
/O.CON.KBOX.CF.Y.0011.240922T1600Z-240922T2200Z/
Suffolk MA-Eastern Norfolk MA-
312 PM EDT Sat Sep 21 2024
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON...
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM NOON TO 6 PM EDT
SUNDAY...
* WHAT...For the first Coastal Flood Advisory, less than 1 foot
of inundation above ground level in low-lying areas near shorelines
and tidal waterways (12.0 to 12.2 feet Mean Lower Low Water).
For the second Coastal Flood Advisory, less than 1 foot of
inundation above ground level expected in low-lying areas near
shorelines and tidal waterways (12.3 to 12.4 feet Mean Lower Low Water).
* WHERE...Suffolk MA and Eastern Norfolk MA Counties.
* WHEN...For the first Coastal Flood Advisory, until 5 PM EDT
this afternoon. For the second Coastal Flood Advisory, from
noon to 6 PM EDT Sunday.
* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected.
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.
Boston Harbor
MLLW Categories - Minor 12.5 ft, Moderate 14.0 ft, Major 15.0 ft
MHHW Categories - Minor 2.4 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
-------- --------- --------- --------- ------- --------
21/02 PM 12.5/13.0 2.3/ 2.8 1.0/ 1.5 2 Minor
22/03 AM 11.3/11.8 1.2/ 1.7 1.0/ 1.5 2 None
22/03 PM 12.4/12.9 2.2/ 2.7 1.2/ 1.7 2 Minor
23/04 AM 10.6/11.1 0.5/ 1.0 0.9/ 1.4 1 None
23/04 PM 11.3/11.8 1.2/ 1.7 0.6/ 1.1 2 None
Revere
MLLW Categories - Minor 12.5 ft, Moderate 14.5 ft, Major 16.0 ft
MHHW Categories - Minor 2.6 ft, Moderate 4.6 ft, Major 6.1 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
21/02 PM 12.5/13.0 2.6/ 3.1 1.0/ 1.5 2 Minor
22/03 AM 11.3/11.8 1.4/ 1.9 1.0/ 1.5 2 None
22/03 PM 12.1/12.6 2.2/ 2.7 1.0/ 1.5 2 None
23/04 AM 10.4/10.9 0.5/ 1.0 0.8/ 1.3 1 None
23/04 PM 11.2/11.7 1.3/ 1.8 0.6/ 1.1 1 None
&&
$$
Source: BOX extends time of High Surf Advisory for Southern Bristol [MA] and Block Island, Newport, Washington [RI] till Sep 22, 8:00 PM EDT (https://mesonet.agron.iastate.edu/vtec/f/2024-O-EXT-KBOX-SU-Y-0006_2024-09-21T19:12Z)
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