210
WHUS41 KBOX 311801
CFWBOX
URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
101 PM EST SAT JAN 31 2026
MAZ024-011215-
/O.UPG.KBOX.CF.A.0001.260201T1300Z-260202T1900Z/
/O.NEW.KBOX.CF.W.0001.260201T1300Z-260202T1900Z/
NANTUCKET MA-
101 PM EST SAT JAN 31 2026
...COASTAL FLOOD WARNING IN EFFECT FROM 8 AM SUNDAY TO 2 PM EST
MONDAY...
* WHAT...ONE TO TWO FEET OF INUNDATION ABOVE GROUND LEVEL
EXPECTED IN LOW-LYING AREAS NEAR SHORELINES AND TIDAL
WATERWAYS (6.0 TO 6.5 FEET MEAN LOWER LOW WATER).
* WHERE...NANTUCKET MA COUNTY.
* WHEN...MULTIPLE HIGH TIDE CYCLES SUNDAY MORNING INTO MONDAY
AFTERNOON.
* IMPACTS...MANY ROADS NEAR NANTUCKET HARBOR BECOME IMPASSABLE
WITH 1 TO 2 FEET OF WATER AND AFFECTS ACCESS TO THE FERRY
TERMINALS. THIS INCLUDES EASY STREET, SOUTH BEACH STREET,
EASTON STREET, WALSH STREET, WILLARD STREET, AND STRAIGHT
WHARF.
* ADDITIONAL DETAILS...SUB-FREEZING TEMPERATURES AND COLD ROAD
SURFACES MAY ALLOW FOR SOME OF THE STORM SURGE TO FREEZE.
THIS WOULD RESULT IN PROLONGED ISSUES ON THOSE VULNERABLE ROADWAYS
AND ALSO DELAY DRAINAGE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE THE NECESSARY ACTIONS TO PROTECT FLOOD-PRONE PROPERTY. IF
TRAVEL IS REQUIRED, DO NOT DRIVE AROUND BARRICADES OR THROUGH
WATER OF UNKNOWN DEPTH.
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
-------- --------- --------- --------- ------- --------
31/12 PM 4.2/ 4.7 0.7/ 1.1 0.9/ 1.4 1-2 NONE
31/11 PM 3.1/ 3.6 -0.6/-0.1 0.4/ 0.9 1-3 NONE
01/12 PM 6.2/ 6.7 2.6/ 3.1 2.2/ 2.7 6-8 MINOR
02/12 AM 5.5/ 6.0 1.9/ 2.3 2.7/ 3.2 8-9 MINOR
02/12 PM 5.6/ 6.1 2.0/ 2.5 1.7/ 2.2 6-7 MINOR
03/01 AM 3.7/ 4.2 0.1/ 0.6 0.7/ 1.1 4 NONE
MAZ022-023-011215-
/O.UPG.KBOX.CF.A.0001.260201T1300Z-260202T1900Z/
/O.EXA.KBOX.CF.Y.0001.260201T1300Z-260202T1900Z/
BARNSTABLE MA-DUKES MA-
101 PM EST SAT JAN 31 2026
...COASTAL FLOOD ADVISORY IN EFFECT FROM 8 AM SUNDAY TO 2 PM EST
MONDAY...
* WHAT...ONE TO TWO FEET OF INUNDATION ABOVE GROUND LEVEL
EXPECTED IN LOW-LYING AREAS NEAR SHORELINES AND TIDAL
WATERWAYS (4.2 TO 13.4 FEET MEAN LOWER LOW WATER).
* WHERE...BARNSTABLE MA AND DUKES MA COUNTIES.
* WHEN...MULTIPLE HIGH TIDE CYCLES SUNDAY MORNING INTO MONDAY
AFTERNOON.
* IMPACTS...POCKETS OF SHALLOW FLOODING LESS THAN ONE FOOT DEEP.
THIS MAINLY AFFECTS LOW LYING AREAS AND ROADS NEAR
EDGARTOWN HARBOR, INCLUDING THE CHAPPY FERRY DOCK. SHALLOW
FLOODING MAY ALSO APPROACH FIVE CORNERS IN VINEYARD HAVEN.
* ADDITIONAL DETAILS...SUB-FREEZING TEMPERATURES AND COLD ROAD
SURFACES MAY ALLOW FOR SOME OF THE STORM SURGE TO FREEZE.
THIS WOULD RESULT IN PROLONGED ISSUES ON THOSE VULNERABLE ROADWAYS
AND ALSO DELAY DRAINAGE.
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.
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
-------- --------- --------- --------- ------- --------
31/07 PM 1.8/ 2.2 -0.2/ 0.2 0.2/ 0.7 1-2 NONE
01/07 AM 3.5/ 4.0 1.5/ 2.0 1.1/ 1.6 3 NONE
01/08 PM 3.7/ 4.2 1.7/ 2.2 2.0/ 2.5 4 NONE
02/08 AM 4.4/ 4.9 2.3/ 2.8 2.0/ 2.5 3 NONE
02/08 PM 2.7/ 3.2 0.7/ 1.1 0.9/ 1.4 2 NONE
03/09 AM 2.7/ 3.2 0.7/ 1.1 0.5/ 1.0 1-2 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
-------- --------- --------- --------- ------- --------
31/11 PM 4.9/ 5.4 -0.3/ 0.2 0.1/ 0.6 1-3 NONE
01/11 AM 7.3/ 7.8 2.1/ 2.6 1.2/ 1.7 5-8 NONE
02/12 AM 7.2/ 7.7 2.0/ 2.5 2.2/ 2.7 10-11 NONE
02/12 PM 7.7/ 8.2 2.5/ 3.0 1.6/ 2.0 8-9 NONE
03/01 AM 5.7/ 6.2 0.6/ 1.1 0.7/ 1.1 4-5 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
-------- --------- --------- --------- ------- --------
31/11 PM 3.7/ 4.2 -0.8/-0.2 0.2/ 0.7 1-3 NONE
01/12 PM 5.9/ 6.4 1.4/ 1.9 1.1/ 1.6 5-7 NONE
02/12 AM 5.7/ 6.2 1.3/ 1.8 2.1/ 2.6 9 NONE
02/12 PM 6.2/ 6.7 1.7/ 2.2 1.5/ 2.0 6-7 NONE
03/01 AM 4.4/ 4.9 -0.2/ 0.3 0.6/ 1.1 4 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
-------- --------- --------- --------- ------- --------
31/11 PM 3.2/ 3.7 -0.6/-0.1 0.4/ 0.9 1-3 NONE
01/11 AM 5.7/ 6.2 1.9/ 2.3 1.5/ 2.0 3-5 MINOR
02/12 AM 5.7/ 6.2 1.9/ 2.3 2.6/ 3.1 5-6 MINOR
02/12 PM 5.7/ 6.2 2.0/ 2.5 1.6/ 2.0 3-4 MINOR
03/01 AM 4.0/ 4.5 0.2/ 0.7 0.8/ 1.3 2 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
-------- --------- --------- --------- ------- --------
31/10 PM 9.4/ 9.9 -0.8/-0.2 0.2/ 0.8 1-3 NONE
01/10 AM 12.2/12.7 2.1/ 2.6 1.5/ 2.0 5-8 NONE
01/11 PM 12.0/12.5 1.9/ 2.3 2.6/ 3.1 11-12 NONE
02/11 AM 12.5/13.0 2.3/ 2.8 1.7/ 2.2 8-9 NONE
03/12 AM 10.5/11.0 0.4/ 0.9 0.8/ 1.3 4-5 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
-------- --------- --------- --------- ------- --------
31/10 PM 10.1/10.6 -0.5/ 0.0 0.4/ 0.9 1-3 NONE
01/10 AM 13.1/13.6 2.6/ 3.1 1.8/ 2.2 3-5 MINOR
01/11 PM 12.9/13.4 2.3/ 2.8 2.8/ 3.4 7 MINOR
02/11 AM 13.2/13.7 2.7/ 3.2 1.8/ 2.2 5-6 MINOR
03/12 AM 11.2/11.7 0.7/ 1.1 0.9/ 1.4 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
-------- --------- --------- --------- ------- --------
31/10 PM 8.9/ 9.4 -1.5/-1.0 0.6/ 1.1 1-3 NONE
01/11 AM 11.7/12.2 1.4/ 1.9 2.1/ 2.6 3-5 NONE
01/11 PM 11.4/11.9 1.1/ 1.6 2.8/ 3.4 7 NONE
02/11 AM 11.9/12.4 1.6/ 2.0 2.0/ 2.5 4-5 MINOR
03/12 AM 9.8/10.3 -0.6/-0.1 1.1/ 1.6 2-3 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
-------- --------- --------- --------- ------- --------
31/07 PM 3.4/ 3.9 -1.1/-0.6 -0.3/ 0.2 1-2 NONE
01/08 AM 5.0/ 5.5 0.6/ 1.1 0.6/ 1.1 3 NONE
01/08 PM 5.5/ 6.0 1.1/ 1.6 1.5/ 2.0 3-4 NONE
02/09 AM 6.1/ 6.6 1.7/ 2.2 1.8/ 2.2 2-3 NONE
02/09 PM 4.5/ 5.0 0.1/ 0.6 0.4/ 0.9 1-2 NONE
03/10 AM 4.4/ 4.9 0.0/ 0.5 0.4/ 0.9 1 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
-------- --------- --------- --------- ------- --------
31/11 PM 2.2/ 2.7 -0.6/-0.1 0.2/ 0.7 2-3 NONE
01/11 AM 4.4/ 4.9 1.7/ 2.2 1.4/ 1.9 3-5 MINOR
01/11 PM 4.5/ 5.0 1.8/ 2.2 2.5/ 3.0 5 MINOR
02/12 PM 4.5/ 5.0 1.8/ 2.2 1.6/ 2.0 3-4 MINOR
03/12 AM 2.8/ 3.4 0.2/ 0.7 0.7/ 1.1 3 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
-------- --------- --------- --------- ------- --------
31/10 PM 1.7/ 2.2 -0.3/ 0.2 0.2/ 0.7 1-3 NONE
01/11 AM 3.5/ 4.0 1.5/ 2.0 1.5/ 2.0 3-4 NONE
01/11 PM 4.0/ 4.5 2.0/ 2.5 2.3/ 2.8 4 NONE
02/11 AM 3.7/ 4.2 1.7/ 2.2 1.8/ 2.2 3 NONE
03/12 AM 2.3/ 2.8 0.4/ 0.9 0.7/ 1.1 2 NONE
MAZ007-015-016-019-011215-
/O.CON.KBOX.CF.Y.0001.260201T1300Z-260202T1900Z/
EASTERN ESSEX MA-SUFFOLK MA-EASTERN NORFOLK MA-
EASTERN PLYMOUTH MA-
101 PM EST SAT JAN 31 2026
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 8 AM SUNDAY TO
2 PM EST MONDAY...
* WHAT...ONE TO TWO FEET OF INUNDATION ABOVE GROUND LEVEL
EXPECTED IN LOW-LYING AREAS NEAR SHORELINES AND TIDAL
WATERWAYS (10.8 TO 12.7 FEET MEAN LOWER LOW WATER).
* WHERE...EASTERN ESSEX MA, SUFFOLK MA, EASTERN NORFOLK MA AND
EASTERN PLYMOUTH MA COUNTIES.
* WHEN...MULTIPLE HIGH TIDE CYCLES SUNDAY MORNING INTO MONDAY
AFTERNOON.
* IMPACTS...SHALLOW POCKETS OF FLOODING LESS THAN ONE FOOT DEEP
AFFECTS THE LOWEST LYING AREAS ALONG THE COAST, INCLUDING
MORRISSEY BOULEVARD IN BOSTON. FLOODING UP TO ONE FOOT DEEP
AFFECTS COASTAL ROADS ON THE NORTH SHORE FROM SALEM TO
GLOUCESTER AND NEWBURYPORT. ROUGH SURF WILL CAUSE FLOODING
ON SOME COASTAL ROADS AROUND THE TIME OF HIGH TIDE DUE TO SPLASHOVER.
* ADDITIONAL DETAILS...SUB-FREEZING TEMPERATURES AND COLD ROAD
SURFACES MAY ALLOW FOR SOME OF THE STORM SURGE TO FREEZE.
THIS WOULD RESULT IN PROLONGED ISSUES ON THOSE VULNERABLE ROADWAYS
AND ALSO DELAY DRAINAGE.
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
-------- --------- --------- --------- ------- --------
31/10 PM 8.7/ 9.2 -1.0/-0.5 0.1/ 0.6 1-3 NONE
01/10 AM 11.6/12.1 2.0/ 2.5 1.3/ 1.8 5-7 MINOR
01/11 PM 11.2/11.7 1.6/ 2.0 2.2/ 2.7 10 NONE
02/11 AM 12.0/12.5 2.3/ 2.8 1.6/ 2.0 7-8 MINOR
03/12 AM 9.8/10.3 0.2/ 0.7 0.7/ 1.1 4-5 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
-------- --------- --------- --------- ------- --------
31/10 PM 7.8/ 8.3 -1.8/-1.3 0.1/ 0.6 1-3 NONE
01/11 AM 10.4/10.9 0.9/ 1.4 1.1/ 1.6 3-5 NONE
01/11 PM 10.3/10.8 0.8/ 1.3 2.2/ 2.7 6 NONE
02/11 AM 10.6/11.1 1.1/ 1.6 1.4/ 1.9 5 NONE
03/12 AM 8.9/ 9.4 -0.7/-0.2 0.7/ 1.1 3-4 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
-------- --------- --------- --------- ------- --------
31/10 PM 9.5/10.0 -0.9/-0.4 0.2/ 0.7 1-2 NONE
01/10 AM 12.3/12.8 2.0/ 2.5 1.4/ 1.9 2 MINOR
01/11 PM 11.8/12.3 1.5/ 2.0 2.2/ 2.7 2 NONE
02/11 AM 12.5/13.0 2.2/ 2.7 1.5/ 2.0 2 MINOR
03/12 AM 10.4/10.9 0.1/ 0.6 0.6/ 1.1 1 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
-------- --------- --------- --------- ------- --------
31/10 PM 9.3/ 9.8 -0.7/-0.2 0.1/ 0.6 1-2 NONE
01/10 AM 12.2/12.7 2.2/ 2.7 1.4/ 1.9 2 NONE
01/11 PM 11.8/12.3 1.9/ 2.3 2.2/ 2.7 2 NONE
02/11 AM 12.4/12.9 2.5/ 3.0 1.5/ 2.0 2 MINOR
03/12 AM 10.3/10.8 0.4/ 0.9 0.5/ 1.0 1 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
-------- --------- --------- --------- ------- --------
31/10 PM 9.2/ 9.7 -0.8/-0.2 0.2/ 0.8 1-3 NONE
01/10 AM 12.2/12.7 2.2/ 2.7 1.6/ 2.0 3-7 MINOR
01/11 PM 11.8/12.3 1.9/ 2.3 2.6/ 3.1 8 MINOR
02/11 AM 12.3/12.8 2.3/ 2.8 1.6/ 2.0 6 MINOR
03/12 AM 10.3/10.8 0.4/ 0.9 0.8/ 1.3 4 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
-------- --------- --------- --------- ------- --------
31/10 PM 9.1/ 9.6 -0.7/-0.2 0.2/ 0.7 1-2 NONE
01/11 AM 12.0/12.5 2.2/ 2.7 1.4/ 1.9 4-7 MINOR
01/11 PM 11.8/12.3 2.1/ 2.6 2.5/ 3.0 9 MINOR
02/11 AM 12.2/12.7 2.5/ 3.0 1.5/ 2.0 7-8 MINOR
03/12 AM 10.2/10.7 0.5/ 1.0 0.7/ 1.1 4-5 NONE
FRANK
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