471
WHUS71 KBOX 210723
MWWBOX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
223 AM EST SUN DEC 21 2025
ANZ255-256-212030-
/O.CON.KBOX.GL.W.0046.000000T0000Z-251222T1200Z/
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-
223 AM EST SUN DEC 21 2025
..GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY
* WHAT...WEST WINDS 20 TO 30 KT WITH GUSTS UP TO 35 KT AND SEAS
6 TO 11 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 7 AM EST MONDAY.
* 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.
ANZ250-254-212030-
/O.CON.KBOX.GL.W.0046.000000T0000Z-251222T1200Z/
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-
223 AM EST SUN DEC 21 2025
..GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY
* WHAT...WEST WINDS 20 TO 25 KT WITH GUSTS UP TO 40 KT AND SEAS
5 TO 8 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 7 AM EST MONDAY.
* 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.
ANZ235-237-212030-
/O.CON.KBOX.GL.W.0046.000000T0000Z-251222T1200Z/
RHODE ISLAND SOUND-BLOCK ISLAND SOUND-
223 AM EST SUN DEC 21 2025
..GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY
* WHAT...WEST WINDS 20 TO 30 KT WITH GUSTS UP TO 35 KT AND SEAS
5 TO 8 FEET.
* WHERE...RHODE ISLAND SOUND AND BLOCK ISLAND SOUND.
* WHEN...UNTIL 7 AM EST MONDAY.
* 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.
ANZ232>234-212030-
/O.CON.KBOX.GL.W.0046.000000T0000Z-251222T1200Z/
NANTUCKET SOUND-VINEYARD SOUND-BUZZARDS BAY-
223 AM EST SUN DEC 21 2025
..GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY
* WHAT...WEST WINDS 15 TO 25 KT WITH GUSTS UP TO 35 KT AND SEAS
4 TO 6 FEET.
* WHERE...NANTUCKET SOUND, VINEYARD SOUND AND BUZZARDS BAY.
* WHEN...UNTIL 7 AM EST MONDAY.
* 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.
ANZ231-251-212030-
/O.CON.KBOX.GL.W.0046.000000T0000Z-251222T1200Z/
CAPE COD BAY-MASSACHUSETTS BAY AND IPSWICH BAY-
223 AM EST SUN DEC 21 2025
..GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY
* WHAT...WEST WINDS 15 TO 25 KT WITH GUSTS UP TO 35 KT AND SEAS
3 TO 5 FEET.
* WHERE...CAPE COD BAY AND MASSACHUSETTS BAY AND IPSWICH BAY.
* WHEN...UNTIL 7 AM EST MONDAY.
* 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.
ANZ236-212030-
/O.CON.KBOX.SC.Y.0132.000000T0000Z-251222T1200Z/
NARRAGANSETT BAY-
223 AM EST SUN DEC 21 2025
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST MONDAY
* WHAT...WEST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND WAVES
3 TO 5 FEET.
* WHERE...NARRAGANSETT BAY.
* WHEN...UNTIL 7 AM EST MONDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
ANZ230-212030-
/O.CON.KBOX.SC.Y.0132.000000T0000Z-251222T1200Z/
BOSTON HARBOR-
223 AM EST SUN DEC 21 2025
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST MONDAY
* WHAT...WEST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND WAVES
AROUND 2 FEET.
* WHERE...BOSTON HARBOR.
* WHEN...UNTIL 7 AM EST MONDAY.
* 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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