638
WHUS71 KBOX 210826
MWWBOX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
326 AM EST SAT FEB 21 2026
ANZ254>256-212130-
/O.CAN.KBOX.SC.Y.0023.260221T1200Z-260221T1800Z/
/O.CON.KBOX.SR.A.0002.260223T0600Z-260224T0400Z/
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
326 AM EST SAT FEB 21 2026
...STORM WATCH REMAINS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH
MONDAY EVENING...
..SMALL CRAFT ADVISORY IS CANCELLED
* WHAT...NORTHEAST WINDS 40 TO 50 KT WITH GUSTS UP TO 55 KT AND
SEAS 16 TO 21 FEET POSSIBLE.
* WHERE...IN MASSACHUSETTS COASTAL WATERS, COASTAL WATERS FROM
PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA OUT 20 NM AND
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS
VINEYARD AND NANTUCKET. IN RHODE ISLAND COASTAL WATERS,
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING
OUT TO 20 NM SOUTH OF BLOCK ISLAND.
* WHEN...FROM LATE SUNDAY NIGHT THROUGH MONDAY EVENING.
* IMPACTS...STORM FORCE WINDS AND HAZARDOUS SEAS COULD CAPSIZE
OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD PREPARE TO REMAIN IN PORT, ALTER COURSE, AND/OR
SECURE THE VESSEL BEFORE THE ONSET OF SEVERE CONDITIONS.
ANZ250-212130-
/O.CAN.KBOX.SC.Y.0023.260221T1200Z-260221T1800Z/
/O.CON.KBOX.SR.A.0002.260223T1100Z-260224T0400Z/
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
326 AM EST SAT FEB 21 2026
...STORM WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH
MONDAY EVENING...
..SMALL CRAFT ADVISORY IS CANCELLED
* WHAT...NORTH WINDS 40 TO 50 KT WITH GUSTS UP TO 60 KT AND SEAS
18 TO 23 FEET POSSIBLE.
* WHERE...COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN
BANK NATIONAL MARINE SANCTUARY.
* WHEN...FROM MONDAY MORNING THROUGH MONDAY EVENING.
* IMPACTS...STORM FORCE WINDS AND HAZARDOUS SEAS COULD CAPSIZE
OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD PREPARE TO REMAIN IN PORT, ALTER COURSE, AND/OR
SECURE THE VESSEL BEFORE THE ONSET OF SEVERE CONDITIONS.
ANZ235-237-212130-
/O.EXT.KBOX.SR.A.0002.260223T0800Z-260223T2300Z/
RHODE ISLAND SOUND-BLOCK ISLAND SOUND-
326 AM EST SAT FEB 21 2026
...STORM WATCH NOW IN EFFECT FROM LATE SUNDAY NIGHT THROUGH
MONDAY AFTERNOON...
* WHAT...NORTH WINDS 35 TO 45 KT WITH GUSTS UP TO 55 KT AND SEAS
7 TO 12 FEET POSSIBLE.
* WHERE...RHODE ISLAND SOUND AND BLOCK ISLAND SOUND.
* WHEN...FROM LATE SUNDAY NIGHT THROUGH MONDAY AFTERNOON.
* IMPACTS...STORM FORCE WINDS AND HAZARDOUS SEAS COULD CAPSIZE
OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD PREPARE TO REMAIN IN PORT, ALTER COURSE, AND/OR
SECURE THE VESSEL BEFORE THE ONSET OF SEVERE CONDITIONS.
ANZ230-212130-
/O.CON.KBOX.GL.A.0008.260223T0600Z-260224T0500Z/
BOSTON HARBOR-
326 AM EST SAT FEB 21 2026
...GALE WATCH REMAINS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH
MONDAY EVENING...
* WHAT...NORTH WINDS 30 TO 40 KT WITH GUSTS UP TO 45 KT AND WAVES
2 TO 4 FEET POSSIBLE.
* WHERE...BOSTON HARBOR.
* WHEN...FROM LATE SUNDAY NIGHT THROUGH MONDAY EVENING.
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD CONSIDER ALTERING PLANS TO AVOID POSSIBLE
HAZARDOUS CONDITIONS. REMAIN IN PORT, SEEK SAFE HARBOR, ALTER
COURSE, AND/OR SECURE THE VESSEL FOR SEVERE WIND AND SEAS.
ANZ232>234-212130-
/O.CON.KBOX.SR.A.0002.260223T1000Z-260224T0100Z/
NANTUCKET SOUND-VINEYARD SOUND-BUZZARDS BAY-
326 AM EST SAT FEB 21 2026
...STORM WATCH REMAINS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH
MONDAY EVENING...
* WHAT...NORTHEAST WINDS 40 TO 45 KT WITH GUSTS UP TO 55 KT AND
SEAS 7 TO 10 FEET POSSIBLE.
* WHERE...NANTUCKET SOUND, VINEYARD SOUND AND BUZZARDS BAY.
* WHEN...FROM LATE SUNDAY NIGHT THROUGH MONDAY EVENING.
* IMPACTS...STORM FORCE WINDS AND HAZARDOUS SEAS COULD CAPSIZE
OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD PREPARE TO REMAIN IN PORT, ALTER COURSE, AND/OR
SECURE THE VESSEL BEFORE THE ONSET OF SEVERE CONDITIONS.
ANZ231-212130-
/O.CON.KBOX.SR.A.0002.260223T1100Z-260224T0200Z/
CAPE COD BAY-
326 AM EST SAT FEB 21 2026
...STORM WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH
MONDAY EVENING...
* WHAT...NORTHEAST WINDS 40 TO 50 KT WITH GUSTS UP TO 55 KT AND
SEAS 9 TO 14 FEET POSSIBLE.
* WHERE...CAPE COD BAY.
* WHEN...FROM MONDAY MORNING THROUGH MONDAY EVENING.
* IMPACTS...STORM FORCE WINDS AND HAZARDOUS SEAS COULD CAPSIZE
OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD PREPARE TO REMAIN IN PORT, ALTER COURSE, AND/OR
SECURE THE VESSEL BEFORE THE ONSET OF SEVERE CONDITIONS.
ANZ251-212130-
/O.CON.KBOX.SR.A.0002.260223T1100Z-260224T0400Z/
MASSACHUSETTS BAY AND IPSWICH BAY-
326 AM EST SAT FEB 21 2026
...STORM WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH
MONDAY EVENING...
* WHAT...NORTH WINDS 35 TO 45 KT WITH GUSTS UP TO 55 KT AND SEAS
11 TO 16 FEET POSSIBLE.
* WHERE...MASSACHUSETTS BAY AND IPSWICH BAY.
* WHEN...FROM MONDAY MORNING THROUGH MONDAY EVENING.
* IMPACTS...STORM FORCE WINDS AND HAZARDOUS SEAS COULD CAPSIZE
OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD PREPARE TO REMAIN IN PORT, ALTER COURSE, AND/OR
SECURE THE VESSEL BEFORE THE ONSET OF SEVERE CONDITIONS.
ANZ236-212130-
/O.CON.KBOX.SR.A.0002.260223T1100Z-260223T2300Z/
NARRAGANSETT BAY-
326 AM EST SAT FEB 21 2026
...STORM WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH
MONDAY AFTERNOON...
* WHAT...NORTH WINDS 30 TO 40 KT WITH GUSTS UP TO 50 KT AND
WAVES AROUND 3 FEET POSSIBLE.
* WHERE...NARRAGANSETT BAY.
* WHEN...FROM MONDAY MORNING THROUGH MONDAY AFTERNOON.
* IMPACTS...STORM FORCE WINDS AND HAZARDOUS WAVES COULD CAPSIZE
OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD PREPARE TO REMAIN IN PORT, ALTER COURSE, AND/OR
SECURE THE VESSEL BEFORE THE ONSET OF SEVERE CONDITIONS.
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