474
WHUS71 KBOX 130735
MWWBOX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
335 AM EDT FRI MAR 13 2026
ANZ254-255-132045-
/O.CON.KBOX.SC.Y.0030.000000T0000Z-260313T2000Z/
/O.NEW.KBOX.GL.A.0009.260314T0600Z-260314T2100Z/
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-
335 AM EDT FRI MAR 13 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EDT THIS
AFTERNOON...
...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY
AFTERNOON...
* WHAT...FOR THE SMALL CRAFT ADVISORY, WEST WINDS 15 TO 25 KT
WITH GUSTS UP TO 30 KT AND SEAS 4 TO 7 FEET. FOR THE GALE
WATCH, SOUTHWEST WINDS 25 TO 35 KT AND SEAS 7 TO 12 FEET
POSSIBLE.
* 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...FOR THE SMALL CRAFT ADVISORY, UNTIL 4 PM EDT THIS
AFTERNOON. FOR THE GALE WATCH, FROM LATE TONIGHT THROUGH
SATURDAY AFTERNOON.
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS SEAS 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.
ANZ256-132045-
/O.CON.KBOX.SC.Y.0030.000000T0000Z-260313T1400Z/
/O.NEW.KBOX.GL.A.0009.260314T0600Z-260314T2100Z/
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
335 AM EDT FRI MAR 13 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...
...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY
AFTERNOON...
* WHAT...FOR THE SMALL CRAFT ADVISORY, NORTHWEST WINDS 15 TO 25
KT WITH GUSTS UP TO 30 KT AND SEAS 4 TO 7 FEET. FOR THE GALE
WATCH, WEST WINDS 25 TO 35 KT AND SEAS 8 TO 12 FEET POSSIBLE.
* WHERE...COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD
EXTENDING OUT TO 20 NM SOUTH OF BLOCK ISLAND.
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 10 AM EDT THIS
MORNING. FOR THE GALE WATCH, FROM LATE TONIGHT THROUGH
SATURDAY AFTERNOON.
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS SEAS 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.
ANZ235-237-132045-
/O.CON.KBOX.SC.Y.0030.000000T0000Z-260313T1200Z/
/O.NEW.KBOX.GL.A.0009.260314T1200Z-260314T2100Z/
RHODE ISLAND SOUND-BLOCK ISLAND SOUND-
335 AM EDT FRI MAR 13 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS
MORNING...
...GALE WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY
AFTERNOON...
* WHAT...FOR THE SMALL CRAFT ADVISORY, NORTHWEST WINDS 15 TO 20
KT WITH GUSTS UP TO 30 KT AND SEAS 3 TO 5 FEET. FOR THE GALE
WATCH, WEST WINDS 20 TO 30 KT WITH GUSTS UP TO 35 KT AND SEAS
6 TO 9 FEET POSSIBLE.
* WHERE...RHODE ISLAND SOUND AND BLOCK ISLAND SOUND.
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 8 AM EDT THIS
MORNING. FOR THE GALE WATCH, FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON.
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS SEAS 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>234-132045-
/O.CON.KBOX.SC.Y.0030.000000T0000Z-260313T1200Z/
/O.NEW.KBOX.GL.A.0009.260314T1200Z-260314T2100Z/
NANTUCKET SOUND-VINEYARD SOUND-BUZZARDS BAY-
335 AM EDT FRI MAR 13 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS
MORNING...
...GALE WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY
AFTERNOON...
* WHAT...FOR THE SMALL CRAFT ADVISORY, NORTHWEST WINDS 15 TO 20
KT WITH GUSTS UP TO 30 KT AND SEAS 2 TO 4 FEET. FOR THE GALE
WATCH, WEST WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT AND SEAS
4 TO 6 FEET POSSIBLE.
* WHERE...NANTUCKET SOUND, VINEYARD SOUND AND BUZZARDS BAY.
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 8 AM EDT THIS
MORNING. FOR THE GALE WATCH, FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON.
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS SEAS 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.
ANZ250-131400-
/O.CON.KBOX.SC.Y.0030.000000T0000Z-260313T1400Z/
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
335 AM EDT FRI MAR 13 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...
* WHAT...NORTHWEST WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT AND
SEAS 4 TO 6 FEET.
* WHERE...COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN
BANK NATIONAL MARINE SANCTUARY.
* WHEN...UNTIL 10 AM EDT THIS MORNING.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
ANZ231-251-131200-
/O.CON.KBOX.SC.Y.0030.000000T0000Z-260313T1200Z/
CAPE COD BAY-MASSACHUSETTS BAY AND IPSWICH BAY-
335 AM EDT FRI MAR 13 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS
MORNING...
* WHAT...NORTHWEST WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT AND
SEAS 2 TO 4 FEET.
* WHERE...CAPE COD BAY AND MASSACHUSETTS BAY AND IPSWICH BAY.
* WHEN...UNTIL 8 AM EDT THIS MORNING.
* 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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