899
WHUS71 KBOX 121840
MWWBOX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
240 PM EDT THU MAR 12 2026
ANZ233-234-121945-
/O.CAN.KBOX.SC.Y.0030.000000T0000Z-260313T0900Z/
VINEYARD SOUND-BUZZARDS BAY-
240 PM EDT THU MAR 12 2026
..SMALL CRAFT ADVISORY IS CANCELLED
WINDS EXPECTED TO REMAIN LESS THAN 25 KT WITH SEAS 4 FEET OR LESS.
ANZ231-232-251-121945-
/O.CAN.KBOX.SC.Y.0030.000000T0000Z-260313T1200Z/
CAPE COD BAY-NANTUCKET SOUND-MASSACHUSETTS BAY AND IPSWICH BAY-
240 PM EDT THU MAR 12 2026
..SMALL CRAFT ADVISORY IS CANCELLED
WINDS EXPECTED TO REMAIN LESS THAN 25 KT WITH SEAS 4 FEET OR LESS.
ANZ230-121945-
/O.CAN.KBOX.SC.Y.0030.000000T0000Z-260313T0600Z/
BOSTON HARBOR-
240 PM EDT THU MAR 12 2026
..SMALL CRAFT ADVISORY IS CANCELLED
WINDS EXPECTED TO REMAIN LESS THAN 25 KT WITH WAVES 2 FEET OR
LESS.
ANZ236-121945-
/O.CAN.KBOX.SC.Y.0030.000000T0000Z-260313T0000Z/
NARRAGANSETT BAY-
240 PM EDT THU MAR 12 2026
..SMALL CRAFT ADVISORY IS CANCELLED
WINDS EXPECTED TO REMAIN LESS THAN 25 KT WITH WAVES 2 TO 3 FEET.
ANZ250-256-130745-
/O.EXT.KBOX.SC.Y.0030.000000T0000Z-260313T1400Z/
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
240 PM EDT THU MAR 12 2026
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM EDT FRIDAY
* WHAT...NORTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND
SEAS 4 TO 6 FEET.
* WHERE...IN MASSACHUSETTS COASTAL WATERS, COASTAL WATERS EAST
OF IPSWICH BAY AND THE STELLWAGEN BANK NATIONAL MARINE
SANCTUARY. IN RHODE ISLAND COASTAL WATERS, COASTAL WATERS FROM
MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT TO 20 NM SOUTH OF
BLOCK ISLAND.
* WHEN...UNTIL 10 AM EDT FRIDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
ANZ254-255-130745-
/O.EXT.KBOX.SC.Y.0030.000000T0000Z-260313T2000Z/
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-
240 PM EDT THU MAR 12 2026
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EDT FRIDAY
* WHAT...NORTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND
SEAS 4 TO 7 FEET.
* WHERE...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.
* WHEN...UNTIL 4 PM EDT FRIDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
ANZ235-237-130745-
/O.EXT.KBOX.SC.Y.0030.000000T0000Z-260313T1400Z/
RHODE ISLAND SOUND-BLOCK ISLAND SOUND-
240 PM EDT THU MAR 12 2026
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM EDT FRIDAY
* WHAT...NORTHWEST WINDS 10 TO 20 KT WITH GUSTS UP TO 25 KT AND
SEAS 3 TO 5 FEET.
* WHERE...RHODE ISLAND SOUND AND BLOCK ISLAND SOUND.
* WHEN...UNTIL 10 AM EDT FRIDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
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