367
WHUS41 KBOX 301757
CFWBOX
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1257 PM EST FRI JAN 30 2026
MAZ007-015-016-019-022>024-310800-
/O.CON.KBOX.CF.A.0001.260201T1300Z-260202T1900Z/
EASTERN ESSEX MA-SUFFOLK MA-EASTERN NORFOLK MA-
EASTERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-NANTUCKET MA-
1257 PM EST FRI JAN 30 2026
...COASTAL FLOOD WATCH REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH MONDAY AFTERNOON...
* WHAT...MINOR TO PERHAPS MODERATE COASTAL FLOODING POSSIBLE
AROUND HIGH TIDE. WATER COULD BE AS DEEP AS 1 TO 2 FEET.
* WHERE...EASTERN MASSACHUSETTS COAST INCLUDING CAPE COD, MARTHAS
VINEYARD AND NANTUCKET.
* WHEN...FROM SUNDAY MORNING THROUGH MONDAY AFTERNOON.
* IMPACTS...EXPECT AT LEAST SHALLOW FLOODING LESS THAN ONE FOOT
DEEP ALONG MUCH OF THE EASTERN MASSACHUSETTS COASTLINE,
RESULTING IN TEMPORARY CLOSURE OF MORE VULNERABLE COASTAL ROADS
AROUND HIGH TIDE SUNDAY MORNING, SUNDAY EVENING, AND MIDDAY
MONDAY.
* ADDITIONAL DETAILS...MODERATE FLOODING, SHOULD IT OCCUR, IS MORE
LIKELY ALONG THE BAY SIDE OF CAPE COD, IN NANTUCKET HARBOR, AND
IN EDGARTOWN, VINEYARD HAVEN, AND OAK BLUFFS ON MARTHAS
VINEYARD.
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.
GLOUCESTER HARBOR
MLLW CATEGORIES - MINOR 11.5 FT, MODERATE 13.0 FT, MAJOR 15.0 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
-------- --------- --------- --------- ------- --------
30/09 PM 8.1/ 8.6 -1.6/-1.1 -0.2/ 0.3 3 NONE
31/09 AM 10.1/10.6 0.5/ 1.0 0.0/ 0.5 1-2 NONE
31/10 PM 8.7/ 9.2 -1.0/-0.5 0.1/ 0.6 1-3 NONE
01/10 AM 11.4/11.9 1.8/ 2.2 1.1/ 1.6 5-8 MINOR
01/11 PM 11.1/11.6 1.5/ 2.0 2.2/ 2.7 10-11 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
-------- --------- --------- --------- ------- --------
30/09 PM 7.2/ 7.7 -2.3/-1.9 -0.2/ 0.3 2-3 NONE
31/10 AM 9.2/ 9.7 -0.3/ 0.2 0.0/ 0.5 1 NONE
31/10 PM 7.8/ 8.3 -1.8/-1.3 0.1/ 0.6 1-2 NONE
01/11 AM 10.5/11.0 1.0/ 1.5 1.2/ 1.7 4-5 NONE
01/11 PM 10.2/10.7 0.7/ 1.1 2.2/ 2.7 6-7 NONE
BOSTON HARBOR
MLLW CATEGORIES - MINOR 12.5 FT, MODERATE 14.0 FT, MAJOR 15.0 FT
MHHW CATEGORIES - MINOR 2.2 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
-------- --------- --------- --------- ------- --------
30/09 PM 8.8/ 9.3 -1.6/-1.1 -0.2/ 0.3 2 NONE
31/09 AM 10.7/11.2 0.4/ 0.9 0.0/ 0.5 1 NONE
31/10 PM 9.5/10.0 -0.9/-0.4 0.2/ 0.7 1-2 NONE
01/10 AM 12.2/12.7 1.9/ 2.3 1.3/ 1.8 2 NONE
01/11 PM 11.8/12.3 1.5/ 2.0 2.2/ 2.7 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
-------- --------- --------- --------- ------- --------
30/09 PM 8.6/ 9.1 -1.4/-0.9 -0.2/ 0.3 2 NONE
31/10 AM 10.5/11.0 0.6/ 1.1 0.0/ 0.5 1 NONE
31/10 PM 9.3/ 9.8 -0.7/-0.2 0.1/ 0.6 1-2 NONE
01/10 AM 12.0/12.5 2.1/ 2.6 1.2/ 1.7 2 NONE
01/11 PM 11.8/12.3 1.9/ 2.3 2.2/ 2.7 2 NONE
GREEN HARBOR
MLLW CATEGORIES - MINOR 11.5 FT, MODERATE 13.5 FT, MAJOR 15.5 FT
MHHW CATEGORIES - MINOR 1.6 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
-------- --------- --------- --------- ------- --------
30/09 PM 8.5/ 9.0 -1.5/-1.0 0.0/ 0.5 2-3 NONE
31/10 AM 10.5/11.0 0.6/ 1.1 0.0/ 0.5 1-2 NONE
31/10 PM 9.1/ 9.6 -0.9/-0.4 0.2/ 0.7 1-3 NONE
01/11 AM 12.2/12.7 2.2/ 2.7 1.6/ 2.0 4-7 MINOR
01/11 PM 11.7/12.2 1.8/ 2.2 2.5/ 3.0 9 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
-------- --------- --------- --------- ------- --------
30/09 PM 8.5/ 9.0 -1.3/-0.8 -0.2/ 0.3 3 NONE
31/10 AM 10.5/11.0 0.8/ 1.3 0.0/ 0.5 1-2 NONE
31/10 PM 9.1/ 9.6 -0.7/-0.2 0.2/ 0.7 1-2 NONE
01/11 AM 12.1/12.6 2.3/ 2.8 1.5/ 2.0 5-7 MINOR
01/11 PM 11.7/12.2 2.0/ 2.5 2.3/ 2.8 10 MINOR
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
-------- --------- --------- --------- ------- --------
30/06 PM 1.1/ 1.6 -1.0/-0.5 -0.5/ 0.0 3 NONE
31/07 AM 2.2/ 2.7 0.2/ 0.8 -0.2/ 0.3 1-2 NONE
31/07 PM 1.7/ 2.2 -0.3/ 0.2 0.1/ 0.6 1 NONE
01/07 AM 3.2/ 3.7 1.2/ 1.7 0.8/ 1.3 3-4 NONE
01/07 PM 3.5/ 4.0 1.5/ 2.0 1.8/ 2.2 4 NONE
02/08 AM 4.2/ 4.7 2.2/ 2.7 1.8/ 2.2 3 NONE
CHATHAM MA - EAST COAST
MLLW CATEGORIES - MINOR 9.0 FT, MODERATE 11.5 FT, MAJOR 13.0 FT
MHHW CATEGORIES - MINOR 3.8 FT, MODERATE 6.3 FT, MAJOR 7.8 FT
TOTAL TOTAL DEPARTURE
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD
FT MLLW FT MHHW FT FT IMPACT
-------- --------- --------- --------- ------- --------
30/10 PM 4.4/ 4.9 -0.9/-0.4 -0.2/ 0.3 3 NONE
31/10 AM 6.0/ 6.5 0.8/ 1.3 0.0/ 0.5 2 NONE
31/11 PM 4.9/ 5.4 -0.3/ 0.2 0.1/ 0.6 1-3 NONE
01/11 AM 7.1/ 7.6 1.9/ 2.3 1.0/ 1.5 6-8 NONE
02/12 AM 7.0/ 7.5 1.8/ 2.2 2.0/ 2.5 11-12 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
-------- --------- --------- --------- ------- --------
30/10 PM 3.2/ 3.7 -1.3/-0.8 -0.2/ 0.3 2-3 NONE
31/11 AM 4.7/ 5.2 0.2/ 0.8 0.0/ 0.5 1-2 NONE
31/11 PM 3.7/ 4.2 -0.9/-0.4 0.1/ 0.6 1-3 NONE
01/12 PM 5.9/ 6.4 1.4/ 1.9 1.1/ 1.6 6-8 NONE
02/12 AM 5.7/ 6.2 1.3/ 1.8 2.1/ 2.6 10 NONE
HYANNIS HARBOR
MLLW CATEGORIES - MINOR 5.0 FT, MODERATE 6.5 FT, MAJOR 8.5 FT
MHHW CATEGORIES - MINOR 1.2 FT, MODERATE 2.7 FT, MAJOR 4.7 FT
TOTAL TOTAL DEPARTURE
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD
FT MLLW FT MHHW FT FT IMPACT
-------- --------- --------- --------- ------- --------
30/10 PM 2.7/ 3.2 -1.1/-0.6 0.0/ 0.5 2 NONE
31/10 AM 4.2/ 4.7 0.5/ 1.0 0.1/ 0.6 1 NONE
31/11 PM 3.2/ 3.7 -0.7/-0.2 0.2/ 0.8 1-3 NONE
01/12 PM 5.7/ 6.2 1.9/ 2.3 1.6/ 2.0 4-5 MINOR
02/12 AM 5.7/ 6.2 1.9/ 2.3 2.6/ 3.1 6 MINOR
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
-------- --------- --------- --------- ------- --------
30/09 PM 8.7/ 9.2 -1.5/-1.0 0.0/ 0.5 3-4 NONE
31/09 AM 10.6/11.1 0.5/ 1.0 0.1/ 0.6 2 NONE
31/10 PM 9.3/ 9.8 -0.9/-0.4 0.2/ 0.7 1-2 NONE
01/10 AM 12.0/12.5 1.9/ 2.3 1.3/ 1.8 5-9 NONE
01/11 PM 11.9/12.4 1.8/ 2.2 2.5/ 3.0 13 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
-------- --------- --------- --------- ------- --------
30/09 PM 9.5/10.0 -1.1/-0.6 0.2/ 0.7 2-3 NONE
31/09 AM 11.3/11.8 0.8/ 1.3 0.2/ 0.7 1-2 NONE
31/10 PM 10.0/10.5 -0.6/-0.1 0.2/ 0.8 1-2 NONE
01/10 AM 13.1/13.6 2.6/ 3.1 1.8/ 2.2 4-6 MINOR
01/11 PM 13.0/13.5 2.5/ 3.0 3.0/ 3.5 8 MINOR
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
-------- --------- --------- --------- ------- --------
30/09 PM 8.1/ 8.6 -2.2/-1.8 0.2/ 0.7 2-3 NONE
31/09 AM 10.0/10.5 -0.3/ 0.2 0.2/ 0.8 1-2 NONE
31/10 PM 8.8/ 9.3 -1.6/-1.1 0.5/ 1.0 1-3 NONE
01/10 AM 11.6/12.1 1.3/ 1.8 1.8/ 2.2 4-5 NONE
01/11 PM 11.4/11.9 1.1/ 1.6 2.8/ 3.4 8 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
-------- --------- --------- --------- ------- --------
30/06 PM 2.7/ 3.2 -1.8/-1.3 -0.9/-0.4 2-3 NONE
31/07 AM 4.0/ 4.5 -0.5/ 0.0 -0.5/ 0.0 1 NONE
31/07 PM 3.2/ 3.7 -1.1/-0.7 -0.5/ 0.0 1 NONE
01/08 AM 4.7/ 5.2 0.2/ 0.8 0.2/ 0.8 3 NONE
01/08 PM 5.2/ 5.7 0.9/ 1.4 1.3/ 1.8 4 NONE
02/08 AM 5.9/ 6.4 1.5/ 2.0 1.5/ 2.0 3 NONE
EDGARTOWN
MLLW CATEGORIES - MINOR 4.0 FT, MODERATE 5.0 FT, MAJOR 7.0 FT
MHHW CATEGORIES - MINOR 1.3 FT, MODERATE 2.3 FT, MAJOR 4.3 FT
TOTAL TOTAL DEPARTURE
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD
FT MLLW FT MHHW FT FT IMPACT
-------- --------- --------- --------- ------- --------
30/10 PM 1.7/ 2.2 -1.1/-0.6 -0.2/ 0.2 2-3 NONE
31/10 AM 3.1/ 3.6 0.4/ 0.9 0.0/ 0.5 1-2 NONE
31/11 PM 2.2/ 2.7 -0.6/-0.1 0.2/ 0.7 1-3 NONE
01/11 AM 4.2/ 4.7 1.6/ 2.0 1.3/ 1.8 4-5 MINOR
02/12 AM 4.4/ 4.9 1.7/ 2.2 2.2/ 2.7 5 MINOR
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
-------- --------- --------- --------- ------- --------
30/10 PM 1.2/ 1.7 -0.9/-0.4 -0.2/ 0.2 2-3 NONE
31/09 AM 2.0/ 2.5 0.0/ 0.5 0.0/ 0.5 1 NONE
31/10 PM 1.7/ 2.2 -0.3/ 0.2 0.2/ 0.7 1-2 NONE
01/10 AM 3.2/ 3.7 1.2/ 1.7 1.2/ 1.7 3-4 NONE
01/11 PM 3.7/ 4.2 1.8/ 2.2 2.2/ 2.7 4 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
-------- --------- --------- --------- ------- --------
30/12 PM 4.2/ 4.7 0.7/ 1.1 1.7/ 2.2 4-5 NONE
30/10 PM 2.5/ 3.0 -1.1/-0.7 -0.2/ 0.3 3-4 NONE
31/10 AM 3.9/ 4.4 0.2/ 0.8 0.0/ 0.5 2 NONE
31/11 PM 2.8/ 3.4 -0.8/-0.2 0.2/ 0.7 1-3 NONE
01/12 PM 5.6/ 6.1 2.0/ 2.5 1.7/ 2.2 6-8 MINOR
02/12 AM 5.2/ 5.7 1.7/ 2.2 2.5/ 3.0 9 MINOR
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