838
WHUS71 KBOX 161839
MWWBOX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
239 PM EDT FRI OCT 16 2026
ANZ231-251-170745-
/O.EXT.KBOX.SC.Y.0099.000000T0000Z-261018T0600Z/
/O.CAN.KBOX.GL.A.0018.261016T2200Z-261018T0000Z/
CAPE COD BAY-MASSACHUSETTS BAY AND IPSWICH BAY-
239 PM EDT FRI OCT 16 2026
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM EDT SUNDAY
..GALE WATCH IS CANCELLED
* WHAT...NORTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND
SEAS 3 TO 5 FEET.
* WHERE...CAPE COD BAY AND MASSACHUSETTS BAY AND IPSWICH BAY.
* WHEN...UNTIL 2 AM EDT SUNDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
ANZ232>235-237-170745-
/O.EXT.KBOX.SC.Y.0099.000000T0000Z-261018T1200Z/
/O.CAN.KBOX.GL.A.0018.261016T2200Z-261018T0000Z/
NANTUCKET SOUND-VINEYARD SOUND-BUZZARDS BAY-RHODE ISLAND SOUND-
BLOCK ISLAND SOUND-
239 PM EDT FRI OCT 16 2026
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 AM EDT SUNDAY
..GALE WATCH IS CANCELLED
* WHAT...NORTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND
SEAS 3 TO 5 FEET.
* WHERE...IN MASSACHUSETTS COASTAL WATERS, NANTUCKET SOUND,
VINEYARD SOUND AND BUZZARDS BAY. IN RHODE ISLAND COASTAL
WATERS, RHODE ISLAND SOUND AND BLOCK ISLAND SOUND.
* WHEN...UNTIL 8 AM EDT SUNDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
ANZ250-170745-
/O.EXT.KBOX.SC.Y.0099.000000T0000Z-261018T1200Z/
/O.CAN.KBOX.GL.A.0018.261016T2200Z-261018T0000Z/
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
239 PM EDT FRI OCT 16 2026
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 AM EDT SUNDAY
..GALE WATCH IS CANCELLED
* WHAT...NORTHWEST WINDS 15 TO 25 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 8 AM EDT SUNDAY.
* 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>256-170745-
/O.EXT.KBOX.SC.Y.0099.000000T0000Z-261018T1500Z/
/O.CAN.KBOX.GL.A.0018.261016T2200Z-261018T0000Z/
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-
239 PM EDT FRI OCT 16 2026
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 11 AM EDT SUNDAY
..GALE WATCH IS CANCELLED
* 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 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...UNTIL 11 AM EDT SUNDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
ANZ230-236-170745-
/O.EXT.KBOX.SC.Y.0099.000000T0000Z-261018T0000Z/
/O.CAN.KBOX.GL.A.0018.261016T2200Z-261018T0000Z/
BOSTON HARBOR-NARRAGANSETT BAY-
239 PM EDT FRI OCT 16 2026
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT SATURDAY
..GALE WATCH IS CANCELLED
* WHAT...NORTHWEST WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT AND
WAVES 2 TO 4 FEET.
* WHERE...IN MASSACHUSETTS COASTAL WATERS, BOSTON HARBOR. IN
RHODE ISLAND COASTAL WATERS, NARRAGANSETT BAY.
* WHEN...UNTIL 8 PM EDT SATURDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
ANZ281>283-170745-
/O.CAN.KBOX.GL.A.0018.261016T2200Z-261018T0000Z/
/O.NEW.KBOX.GL.A.0019.261018T0000Z-261018T1500Z/
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
239 PM EDT FRI OCT 16 2026
...GALE WATCH IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY
MORNING...
* WHAT...NORTH WINDS 15 TO 25 KT WITH GUSTS UP TO 35 KT AND SEAS
5 TO 8 FEET POSSIBLE.
* WHERE...OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO
60 NM, OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25
TO 60 NM AND OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD
FROM 25 TO 60 NM.
* WHEN...FROM SATURDAY EVENING THROUGH SUNDAY MORNING.
* 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 WAVES.
ANZ280-161945-
/O.CAN.KBOX.GL.A.0018.261016T2200Z-261018T0000Z/
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
239 PM EDT FRI OCT 16 2026
..GALE WATCH IS CANCELLED
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