834
WHUS71 KBOX 050550
MWWBOX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
150 AM EDT MON OCT 5 2026
ANZ230-236-052000-
/O.EXB.KBOX.SC.Y.0092.261005T1900Z-261006T0100Z/
BOSTON HARBOR-NARRAGANSETT BAY-
150 AM EDT MON OCT 5 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO
9 PM EDT THIS EVENING...
* WHAT...NORTHWEST WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT AND
WAVES AROUND 2 FEET EXPECTED.
* WHERE...IN MASSACHUSETTS COASTAL WATERS, BOSTON HARBOR. IN
RHODE ISLAND COASTAL WATERS, NARRAGANSETT BAY.
* WHEN...FROM 3 PM THIS AFTERNOON TO 9 PM EDT THIS EVENING.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
ANZ231-233>235-237-251-052000-
/O.EXB.KBOX.SC.Y.0092.261005T1900Z-261006T1200Z/
CAPE COD BAY-VINEYARD SOUND-BUZZARDS BAY-RHODE ISLAND SOUND-
BLOCK ISLAND SOUND-MASSACHUSETTS BAY AND IPSWICH BAY-
150 AM EDT MON OCT 5 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO
8 AM EDT TUESDAY...
* WHAT...NORTHWEST WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT AND
SEAS 2 TO 4 FEET EXPECTED.
* WHERE...PORTIONS OF MASSACHUSETTS COASTAL WATERS AND RHODE
ISLAND COASTAL WATERS.
* WHEN...FROM 3 PM THIS AFTERNOON TO 8 AM EDT TUESDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
ANZ232-052000-
/O.EXT.KBOX.SC.Y.0092.261005T1900Z-261006T1200Z/
NANTUCKET SOUND-
150 AM EDT MON OCT 5 2026
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 3 PM THIS AFTERNOON TO
8 AM EDT TUESDAY...
* WHAT...NORTHWEST WINDS 15 TO 25 KT AND SEAS 2 TO 4 FEET
EXPECTED.
* WHERE...NANTUCKET SOUND.
* WHEN...FROM 3 PM THIS AFTERNOON TO 8 AM EDT TUESDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
ANZ254-052000-
/O.CON.KBOX.SC.Y.0092.261005T1200Z-261006T1700Z/
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
150 AM EDT MON OCT 5 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING
TO 1 PM EDT TUESDAY...
* WHAT...NORTHWEST WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT AND
SEAS 4 TO 6 FEET EXPECTED.
* WHERE...COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO
NANTUCKET MA OUT 20 NM.
* WHEN...FROM 8 AM THIS MORNING TO 1 PM EDT TUESDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
ANZ250-052000-
/O.CON.KBOX.SC.Y.0092.261005T1400Z-261006T1700Z/
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
150 AM EDT MON OCT 5 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 1 PM EDT TUESDAY...
* WHAT...WEST WINDS 10 TO 20 KT WITH GUSTS UP TO 25 KT AND SEAS
3 TO 5 FEET EXPECTED.
* WHERE...COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN
BANK NATIONAL MARINE SANCTUARY.
* WHEN...FROM 10 AM THIS MORNING TO 1 PM EDT TUESDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
ANZ255-256-052000-
/O.CON.KBOX.SC.Y.0092.261005T1900Z-261006T1700Z/
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-
150 AM EDT MON OCT 5 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM THIS
AFTERNOON TO 1 PM EDT TUESDAY...
* WHAT...NORTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND
SEAS 4 TO 6 FEET EXPECTED.
* 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...FROM 3 PM THIS AFTERNOON TO 1 PM EDT TUESDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page