311
WHUS71 KBOX 231434
MWWBOX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1034 AM EDT FRI OCT 23 2026
ANZ281-282-231900-
/O.EXT.KBOX.GL.W.0024.000000T0000Z-261023T1900Z/
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
1034 AM EDT FRI OCT 23 2026
..GALE WARNING NOW IN EFFECT UNTIL 3 PM EDT THIS AFTERNOON
* WHAT...NORTH WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT AND SEAS
9 TO 12 FEET.
* WHERE...OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO
60 NM AND OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM
25 TO 60 NM.
* WHEN...UNTIL 3 PM EDT THIS AFTERNOON.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS SEAS WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE
VESSEL FOR HAZARDOUS CONDITIONS.
ANZ280-231900-
/O.EXT.KBOX.GL.W.0024.000000T0000Z-261023T1900Z/
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
1034 AM EDT FRI OCT 23 2026
..GALE WARNING NOW IN EFFECT UNTIL 3 PM EDT THIS AFTERNOON
* WHAT...NORTH WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT AND SEAS
7 TO 10 FEET.
* WHERE...OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM
40 TO 60 NM.
* WHEN...UNTIL 3 PM EDT THIS AFTERNOON.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS SEAS WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE
VESSEL FOR HAZARDOUS CONDITIONS.
ANZ236-231900-
/O.EXB.KBOX.SC.Y.0100.000000T0000Z-261023T1900Z/
NARRAGANSETT BAY-
1034 AM EDT FRI OCT 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM EDT THIS AFTERNOON
* WHAT...NORTH WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT AND
WAVES AROUND 3 FEET.
* WHERE...NARRAGANSETT BAY.
* WHEN...UNTIL 3 PM EDT THIS AFTERNOON.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
ANZ233>235-237-231900-
/O.EXT.KBOX.SC.Y.0100.000000T0000Z-261023T1900Z/
VINEYARD SOUND-BUZZARDS BAY-RHODE ISLAND SOUND-BLOCK ISLAND SOUND-
1034 AM EDT FRI OCT 23 2026
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM EDT THIS
AFTERNOON...
* WHAT...NORTH WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT AND SEAS
3 TO 5 FEET.
* WHERE...IN MASSACHUSETTS COASTAL WATERS, VINEYARD SOUND AND
BUZZARDS BAY. IN RHODE ISLAND COASTAL WATERS, RHODE ISLAND
SOUND AND BLOCK ISLAND SOUND.
* WHEN...UNTIL 3 PM EDT THIS AFTERNOON.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
ANZ230-231900-
/O.EXT.KBOX.SC.Y.0100.000000T0000Z-261023T1900Z/
BOSTON HARBOR-
1034 AM EDT FRI OCT 23 2026
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM EDT THIS
AFTERNOON...
* WHAT...NORTH WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT AND
WAVES AROUND 2 FEET.
* WHERE...BOSTON HARBOR.
* WHEN...UNTIL 3 PM EDT THIS AFTERNOON.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
ANZ255-256-240345-
/O.CON.KBOX.SC.Y.0100.000000T0000Z-261024T1200Z/
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-
1034 AM EDT FRI OCT 23 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT
SATURDAY...
* WHAT...NORTH WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND SEAS
4 TO 7 FEET.
* WHERE...IN MASSACHUSETTS COASTAL WATERS, 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 8 AM 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.
ANZ250-254-240345-
/O.CON.KBOX.SC.Y.0100.000000T0000Z-261024T1200Z/
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
1034 AM EDT FRI OCT 23 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT
SATURDAY...
* WHAT...NORTH WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND SEAS
7 TO 10 FEET.
* WHERE...COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN
BANK NATIONAL MARINE SANCTUARY AND COASTAL WATERS FROM
PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA OUT 20 NM.
* WHEN...UNTIL 8 AM 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.
ANZ231-251-240345-
/O.CON.KBOX.SC.Y.0100.000000T0000Z-261024T0400Z/
CAPE COD BAY-MASSACHUSETTS BAY AND IPSWICH BAY-
1034 AM EDT FRI OCT 23 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...
* WHAT...NORTH WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT AND SEAS
4 TO 7 FEET.
* WHERE...CAPE COD BAY AND MASSACHUSETTS BAY AND IPSWICH BAY.
* WHEN...UNTIL MIDNIGHT EDT TONIGHT.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
ANZ232-240345-
/O.CON.KBOX.SC.Y.0100.000000T0000Z-261024T0400Z/
NANTUCKET SOUND-
1034 AM EDT FRI OCT 23 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...
* WHAT...NORTH WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT AND SEAS
3 TO 5 FEET.
* WHERE...NANTUCKET SOUND.
* WHEN...UNTIL MIDNIGHT EDT TONIGHT.
* 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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