182
WHUS41 KBOX 231151
CFWBOX
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
651 AM EST MON FEB 23 2026
MAZ019-022>024-240100-
/O.EXP.KBOX.CF.W.0002.000000T0000Z-260223T1200Z/
/O.UPG.KBOX.CF.A.0003.260223T1800Z-260224T0100Z/
/O.NEW.KBOX.CF.Y.0003.260223T1800Z-260224T0100Z/
EASTERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-NANTUCKET MA-
651 AM EST MON FEB 23 2026
...COASTAL FLOOD ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO
8 PM EST THIS EVENING...
...COASTAL FLOOD WARNING WILL EXPIRE AT 7 AM EST THIS MORNING...
* WHAT...ONE TO TWO FEET OF INUNDATION ABOVE GROUND LEVEL
EXPECTED IN LOW-LYING AREAS NEAR SHORELINES AND TIDAL
WATERWAYS (3.6 TO 13.7 FEET MEAN LOWER LOW WATER).
* WHERE...EASTERN PLYMOUTH, BARNSTABLE, DUKES AND NANTUCKET
COUNTIES.
* WHEN...FROM 1 PM THIS AFTERNOON TO 8 PM EST THIS EVENING.
* IMPACTS...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.
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.
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
-------- --------- --------- --------- ------- --------
23/04 PM 12.0/12.5 2.1/ 2.6 3.2/ 3.7 12-13 MINOR
24/04 AM 11.4/11.9 1.5/ 2.0 1.4/ 1.9 8-10 MINOR
24/05 PM 9.0/ 9.5 -1.0/-0.5 0.6/ 1.1 4-5 NONE
25/05 AM 10.2/10.7 0.2/ 0.8 0.2/ 0.8 2 NONE
25/06 PM 8.6/ 9.1 -1.4/-0.9 0.4/ 0.9 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
-------- --------- --------- --------- ------- --------
23/03 PM 12.0/12.5 2.2/ 2.7 3.4/ 3.9 15-16 MINOR
24/04 AM 11.4/11.9 1.7/ 2.2 1.4/ 1.9 9-12 MINOR
24/05 PM 9.1/ 9.6 -0.7/-0.2 0.7/ 1.1 4-5 NONE
25/05 AM 10.3/10.8 0.6/ 1.1 0.4/ 0.9 2-3 NONE
25/06 PM 8.7/ 9.2 -1.1/-0.6 0.5/ 1.0 2 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
-------- --------- --------- --------- ------- --------
23/01 PM 3.7/ 4.2 1.8/ 2.2 2.5/ 3.0 6-7 NONE
24/01 AM 3.4/ 3.9 1.4/ 1.9 1.5/ 2.0 3-4 NONE
24/01 PM 1.8/ 2.2 -0.2/ 0.2 0.6/ 1.1 2-3 NONE
25/02 AM 1.9/ 2.3 -0.2/ 0.3 0.0/ 0.5 2 NONE
25/02 PM 1.8/ 2.2 -0.2/ 0.2 0.7/ 1.1 3 NONE
26/03 AM 1.7/ 2.2 -0.3/ 0.2 -0.2/ 0.2 3-4 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
-------- --------- --------- --------- ------- --------
23/04 PM 7.2/ 7.7 2.0/ 2.5 2.7/ 3.2 15-16 NONE
24/04 AM 6.9/ 7.4 1.7/ 2.2 1.4/ 1.9 9-11 NONE
24/05 PM 5.1/ 5.6 -0.2/ 0.3 0.8/ 1.3 4-5 NONE
25/06 AM 5.7/ 6.2 0.6/ 1.1 0.4/ 0.9 2-3 NONE
25/06 PM 4.4/ 4.9 -0.9/-0.4 0.2/ 0.8 3 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
-------- --------- --------- --------- ------- --------
23/04 PM 5.2/ 5.7 0.8/ 1.3 1.9/ 2.3 12-13 NONE
24/05 AM 6.2/ 6.7 1.7/ 2.2 1.6/ 2.0 8-9 NONE
24/06 PM 4.0/ 4.5 -0.5/ 0.0 0.7/ 1.1 4 NONE
25/06 AM 4.9/ 5.4 0.4/ 0.9 0.2/ 0.8 2 NONE
25/07 PM 3.6/ 4.1 -1.0/-0.5 0.2/ 0.8 3 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
-------- --------- --------- --------- ------- --------
23/05 PM 6.2/ 6.7 2.3/ 2.8 3.4/ 3.9 7 MINOR
24/05 AM 5.0/ 5.5 1.2/ 1.7 1.2/ 1.7 4-5 MINOR
24/06 PM 3.1/ 3.6 -0.8/-0.2 0.4/ 0.9 2 NONE
25/06 AM 4.4/ 4.9 0.6/ 1.1 0.5/ 1.0 1-2 NONE
25/06 PM 3.1/ 3.6 -0.8/-0.2 0.6/ 1.1 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
-------- --------- --------- --------- ------- --------
23/03 PM 12.3/12.8 2.2/ 2.7 3.5/ 4.0 16-18 NONE
24/04 AM 11.8/12.3 1.7/ 2.2 1.6/ 2.0 10-12 NONE
24/05 PM 9.4/ 9.9 -0.8/-0.2 0.8/ 1.3 4-6 NONE
25/05 AM 10.4/10.9 0.2/ 0.8 0.4/ 0.9 2-3 NONE
25/06 PM 8.7/ 9.2 -1.5/-1.0 0.4/ 0.9 2 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
-------- --------- --------- --------- ------- --------
23/03 PM 13.5/14.0 3.0/ 3.5 4.2/ 4.7 9-10 MINOR
24/04 AM 12.6/13.1 2.1/ 2.6 1.8/ 2.2 6-7 NONE
24/05 PM 10.1/10.6 -0.5/ 0.0 1.0/ 1.5 3-4 NONE
25/05 AM 11.2/11.7 0.7/ 1.1 0.6/ 1.1 2 NONE
25/06 PM 9.5/10.0 -1.1/-0.6 0.6/ 1.1 2 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
-------- --------- --------- --------- ------- --------
23/04 PM 12.0/12.5 1.7/ 2.2 4.0/ 4.5 9 MINOR
24/04 AM 11.0/11.5 0.7/ 1.1 1.9/ 2.3 6-7 NONE
24/04 PM 8.4/ 8.9 -2.0/-1.5 1.0/ 1.5 3-4 NONE
25/05 AM 9.7/10.2 -0.7/-0.2 0.7/ 1.1 2 NONE
25/06 PM 8.4/ 8.9 -2.0/-1.5 1.1/ 1.6 2 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
-------- --------- --------- --------- ------- --------
23/01 PM 5.4/ 5.9 1.0/ 1.5 2.1/ 2.6 5 NONE
24/01 AM 5.4/ 5.9 1.0/ 1.5 1.3/ 1.8 3 NONE
24/01 PM 3.4/ 3.9 -1.1/-0.6 0.2/ 0.8 2 NONE
25/02 AM 3.7/ 4.2 -0.7/-0.2 -0.2/ 0.2 1-2 NONE
25/03 PM 3.7/ 4.2 -0.8/-0.2 0.6/ 1.1 2-3 NONE
26/04 AM 3.4/ 3.9 -1.1/-0.6 -0.3/ 0.2 2 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
-------- --------- --------- --------- ------- --------
23/02 PM 4.5/ 5.0 1.8/ 2.2 2.8/ 3.4 8 MINOR
24/04 AM 4.0/ 4.5 1.3/ 1.8 1.4/ 1.9 4-5 MINOR
24/05 PM 2.2/ 2.7 -0.6/-0.1 0.5/ 1.0 3 NONE
25/06 AM 3.2/ 3.7 0.5/ 1.0 0.4/ 0.9 2 NONE
25/06 PM 2.2/ 2.7 -0.5/ 0.0 0.6/ 1.1 4-5 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
-------- --------- --------- --------- ------- --------
23/02 PM 3.4/ 3.9 1.4/ 1.9 2.2/ 2.7 6 NONE
24/04 AM 3.0/ 3.5 1.0/ 1.5 1.3/ 1.8 3 NONE
24/04 PM 1.8/ 2.2 -0.2/ 0.2 0.7/ 1.1 2 NONE
25/05 AM 2.1/ 2.6 0.1/ 0.6 0.4/ 0.9 2 NONE
25/06 PM 1.9/ 2.3 -0.2/ 0.3 0.7/ 1.1 3-4 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
-------- --------- --------- --------- ------- --------
23/04 PM 5.2/ 5.7 1.7/ 2.2 2.7/ 3.2 11-12 MINOR
24/05 AM 4.9/ 5.4 1.3/ 1.8 1.3/ 1.8 7-8 MINOR
24/06 PM 3.1/ 3.6 -0.6/-0.1 0.5/ 1.0 4-5 NONE
25/06 AM 4.0/ 4.5 0.4/ 0.9 0.2/ 0.8 3 NONE
25/06 PM 2.6/ 3.1 -1.1/-0.6 0.2/ 0.8 4-5 NONE
MAZ007-015-016-231300-
/O.EXP.KBOX.CF.Y.0002.000000T0000Z-260223T1200Z/
EASTERN ESSEX MA-SUFFOLK MA-EASTERN NORFOLK MA-
651 AM EST MON FEB 23 2026
..COASTAL FLOOD ADVISORY WILL EXPIRE AT 7 AM EST THIS MORNING
WATER LEVELS EXPECTED TO REMAIN JUST BELOW FLOOD STAGE DURING THE
AFTERNOON HIGH TIDE.
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