478
WHUS71 KBOX 101438
MWWBOX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1038 AM EDT THU SEP 10 2026
ANZ232>234-102000-
/O.CAN.KBOX.GL.W.0020.000000T0000Z-260910T1600Z/
/O.EXB.KBOX.SC.Y.0084.000000T0000Z-260910T2000Z/
NANTUCKET SOUND-VINEYARD SOUND-BUZZARDS BAY-
1038 AM EDT THU SEP 10 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON
..GALE WARNING IS CANCELLED
* WHAT...SOUTHWEST WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT AND
SEAS 3 TO 5 FEET.
* WHERE...NANTUCKET SOUND, VINEYARD SOUND AND BUZZARDS BAY.
* WHEN...UNTIL 4 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.
ANZ231-101545-
/O.CAN.KBOX.GL.W.0020.000000T0000Z-260910T1600Z/
CAPE COD BAY-
1038 AM EDT THU SEP 10 2026
..GALE WARNING IS CANCELLED
WEST TO NORTHWEST WINDS CONTINUE WITH GUSTS UP TO 20 KT.
ANZ236-101545-
/O.CAN.KBOX.SC.Y.0084.000000T0000Z-260911T0000Z/
NARRAGANSETT BAY-
1038 AM EDT THU SEP 10 2026
..SMALL CRAFT ADVISORY IS CANCELLED
WEST TO NORTHWEST WINDS CONTINUE WITH GUSTS UP TO 20 KT.
ANZ250-101700-
/O.EXT.KBOX.SC.Y.0084.000000T0000Z-260910T1700Z/
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1038 AM EDT THU SEP 10 2026
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM EDT THIS
AFTERNOON...
* WHAT...SOUTHWEST WINDS 10 TO 15 KT AND SEAS 3 TO 5 FEET.
* WHERE...COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN
BANK NATIONAL MARINE SANCTUARY.
* WHEN...UNTIL 1 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.
ANZ254-110345-
/O.EXT.KBOX.SC.Y.0084.000000T0000Z-260911T0500Z/
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
1038 AM EDT THU SEP 10 2026
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM EDT FRIDAY
* WHAT...WEST WINDS 10 TO 20 KT WITH GUSTS UP TO 25 KT AND SEAS
4 TO 6 FEET.
* WHERE...COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO
NANTUCKET MA OUT 20 NM.
* WHEN...UNTIL 1 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.
ANZ255-256-110345-
/O.EXT.KBOX.SC.Y.0084.000000T0000Z-260911T0800Z/
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-
1038 AM EDT THU SEP 10 2026
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM EDT FRIDAY
* WHAT...WEST WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT AND SEAS
5 TO 8 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 4 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.
ANZ251-101700-
/O.EXT.KBOX.SC.Y.0084.000000T0000Z-260910T1700Z/
MASSACHUSETTS BAY AND IPSWICH BAY-
1038 AM EDT THU SEP 10 2026
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM EDT THIS
AFTERNOON...
* WHAT...WEST WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT AND SEAS 2
TO 4 FEET.
* WHERE...MASSACHUSETTS BAY AND IPSWICH BAY.
* WHEN...UNTIL 1 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.
ANZ235-237-110000-
/O.CON.KBOX.SC.Y.0084.000000T0000Z-260911T0000Z/
RHODE ISLAND SOUND-BLOCK ISLAND SOUND-
1038 AM EDT THU SEP 10 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
* WHAT...SOUTHWEST WINDS 10 TO 20 KT AND SEAS 4 TO 6 FEET.
* WHERE...RHODE ISLAND SOUND AND BLOCK ISLAND SOUND.
* WHEN...UNTIL 8 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.
ANZ230-110000-
/O.CON.KBOX.SC.Y.0084.000000T0000Z-260911T0000Z/
BOSTON HARBOR-
1038 AM EDT THU SEP 10 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
* WHAT...WEST WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT AND WAVES
AROUND 2 FEET.
* WHERE...BOSTON HARBOR.
* WHEN...UNTIL 8 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.
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