017
WHUS71 KBOX 020415
MWWBOX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1115 PM EST SUN FEB 1 2026
ANZ235-237-021715-
/O.CAN.KBOX.GL.W.0008.000000T0000Z-260202T0600Z/
/O.NEW.KBOX.SC.Y.0017.260202T0415Z-260203T0000Z/
/O.CON.KBOX.UP.Y.0006.000000T0000Z-260202T1200Z/
RHODE ISLAND SOUND-BLOCK ISLAND SOUND-
1115 PM EST SUN FEB 1 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST MONDAY
...FREEZING SPRAY ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
MONDAY...
..GALE WARNING IS CANCELLED
* WHAT...FOR THE SMALL CRAFT ADVISORY, NORTHWEST WINDS 10 TO 20
KT WITH GUSTS UP TO 25 KT AND SEAS 4 TO 6 FEET. FOR THE
FREEZING SPRAY ADVISORY, MODERATE ACCUMULATION OF FREEZING
SPRAY.
* WHERE...RHODE ISLAND SOUND AND BLOCK ISLAND SOUND.
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 7 PM EST MONDAY.
FOR THE FREEZING SPRAY ADVISORY, UNTIL 7 AM EST MONDAY.
* IMPACTS...OPERATING A VESSEL IN FREEZING SPRAY IS HAZARDOUS.
FREEZING SPRAY MAY RENDER MECHANICAL AND ELECTRONIC COMPONENTS
INOPERATIVE. ICE ACCRETION ON DECKS AND SUPERSTRUCTURES MAY
RESULT IN SOME LOSS OF STABILITY. CONDITIONS WILL BE HAZARDOUS
TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD PREPARE FOR ICE ACCUMULATION ON THEIR VESSEL AND
CONSIDER ALTERING PLANS TO AVOID OR MITIGATE THESE HAZARDOUS
CONDITIONS. DURING FREEZING SPRAY CONDITIONS, THE U.S. COAST
GUARD ADVISES MARINERS TO CHECK AND ENSURE ALL LIFE-SAVING
DEVICES REMAIN FREE OF ICE.
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
ANZ231-021715-
/O.CAN.KBOX.GL.W.0008.000000T0000Z-260202T0900Z/
/O.NEW.KBOX.SC.Y.0017.260202T0415Z-260203T0000Z/
/O.CON.KBOX.UP.Y.0007.000000T0000Z-260202T1500Z/
CAPE COD BAY-
1115 PM EST SUN FEB 1 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST MONDAY
...FREEZING SPRAY ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
MONDAY...
..GALE WARNING IS CANCELLED
* WHAT...FOR THE SMALL CRAFT ADVISORY, NORTHWEST WINDS 15 TO 25
KT WITH GUSTS UP TO 30 KT AND SEAS 5 TO 8 FEET. FOR THE
FREEZING SPRAY ADVISORY, MODERATE ACCUMULATION OF FREEZING
SPRAY.
* WHERE...CAPE COD BAY.
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 7 PM EST MONDAY.
FOR THE FREEZING SPRAY ADVISORY, UNTIL 10 AM EST MONDAY.
* IMPACTS...OPERATING A VESSEL IN FREEZING SPRAY IS HAZARDOUS.
FREEZING SPRAY MAY RENDER MECHANICAL AND ELECTRONIC COMPONENTS
INOPERATIVE. ICE ACCRETION ON DECKS AND SUPERSTRUCTURES MAY
RESULT IN SOME LOSS OF STABILITY. CONDITIONS WILL BE HAZARDOUS
TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD PREPARE FOR ICE ACCUMULATION ON THEIR VESSEL AND
CONSIDER ALTERING PLANS TO AVOID OR MITIGATE THESE HAZARDOUS
CONDITIONS. DURING FREEZING SPRAY CONDITIONS, THE U.S. COAST
GUARD ADVISES MARINERS TO CHECK AND ENSURE ALL LIFE-SAVING
DEVICES REMAIN FREE OF ICE.
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
ANZ251-021715-
/O.CAN.KBOX.GL.W.0008.000000T0000Z-260202T0900Z/
/O.NEW.KBOX.SC.Y.0017.260202T0415Z-260203T0600Z/
/O.CON.KBOX.UP.Y.0007.000000T0000Z-260202T1500Z/
MASSACHUSETTS BAY AND IPSWICH BAY-
1115 PM EST SUN FEB 1 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST TUESDAY
...FREEZING SPRAY ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
MONDAY...
..GALE WARNING IS CANCELLED
* WHAT...FOR THE SMALL CRAFT ADVISORY, NORTHWEST WINDS 15 TO 25
KT WITH GUSTS UP TO 30 KT AND SEAS 5 TO 8 FEET. FOR THE
FREEZING SPRAY ADVISORY, MODERATE ACCUMULATION OF FREEZING
SPRAY.
* WHERE...MASSACHUSETTS BAY AND IPSWICH BAY.
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 1 AM EST TUESDAY.
FOR THE FREEZING SPRAY ADVISORY, UNTIL 10 AM EST MONDAY.
* IMPACTS...OPERATING A VESSEL IN FREEZING SPRAY IS HAZARDOUS.
FREEZING SPRAY MAY RENDER MECHANICAL AND ELECTRONIC COMPONENTS
INOPERATIVE. ICE ACCRETION ON DECKS AND SUPERSTRUCTURES MAY
RESULT IN SOME LOSS OF STABILITY. CONDITIONS WILL BE HAZARDOUS
TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD PREPARE FOR ICE ACCUMULATION ON THEIR VESSEL AND
CONSIDER ALTERING PLANS TO AVOID OR MITIGATE THESE HAZARDOUS
CONDITIONS. DURING FREEZING SPRAY CONDITIONS, THE U.S. COAST
GUARD ADVISES MARINERS TO CHECK AND ENSURE ALL LIFE-SAVING
DEVICES REMAIN FREE OF ICE.
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
ANZ250-021715-
/O.CAN.KBOX.GL.W.0008.000000T0000Z-260202T0900Z/
/O.NEW.KBOX.SC.Y.0017.260202T0415Z-260203T1200Z/
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1115 PM EST SUN FEB 1 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST TUESDAY
..GALE WARNING IS CANCELLED
* WHAT...NORTHWEST WINDS 20 TO 30 KT AND SEAS 7 TO 12 FEET.
* WHERE...COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN
BANK NATIONAL MARINE SANCTUARY.
* WHEN...UNTIL 7 AM EST 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.
ANZ256-021715-
/O.CAN.KBOX.GL.W.0008.000000T0000Z-260202T0600Z/
/O.NEW.KBOX.SC.Y.0017.260202T0415Z-260203T1200Z/
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
1115 PM EST SUN FEB 1 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST TUESDAY
..GALE WARNING IS CANCELLED
* WHAT...NORTHWEST WINDS 15 TO 25 KT AND SEAS 6 TO 9 FEET.
* WHERE...COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD
EXTENDING OUT TO 20 NM SOUTH OF BLOCK ISLAND.
* WHEN...UNTIL 7 AM EST 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.
ANZ233-234-021500-
/O.CAN.KBOX.GL.W.0008.000000T0000Z-260202T0600Z/
/O.CON.KBOX.UP.Y.0006.000000T0000Z-260202T1500Z/
VINEYARD SOUND-BUZZARDS BAY-
1115 PM EST SUN FEB 1 2026
...FREEZING SPRAY ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
MONDAY...
..GALE WARNING IS CANCELLED
* WHAT...MODERATE ACCUMULATION OF FREEZING SPRAY.
* WHERE...VINEYARD SOUND AND BUZZARDS BAY.
* WHEN...UNTIL 10 AM EST MONDAY.
* IMPACTS...OPERATING A VESSEL IN FREEZING SPRAY IS HAZARDOUS.
FREEZING SPRAY MAY RENDER MECHANICAL AND ELECTRONIC COMPONENTS
INOPERATIVE. ICE ACCRETION ON DECKS AND SUPERSTRUCTURES MAY
RESULT IN SOME LOSS OF STABILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD PREPARE FOR ICE ACCUMULATION ON THEIR VESSEL AND
CONSIDER ALTERING PLANS TO AVOID OR MITIGATE THESE HAZARDOUS
CONDITIONS. DURING FREEZING SPRAY CONDITIONS, THE U.S. COAST
GUARD ADVISES MARINERS TO CHECK AND ENSURE ALL LIFE-SAVING
DEVICES REMAIN FREE OF ICE.
ANZ232-021715-
/O.CAN.KBOX.SR.W.0001.000000T0000Z-260202T0600Z/
/O.NEW.KBOX.SC.Y.0017.260202T0415Z-260203T0000Z/
/O.CON.KBOX.UP.Y.0007.000000T0000Z-260202T1500Z/
NANTUCKET SOUND-
1115 PM EST SUN FEB 1 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST MONDAY
...FREEZING SPRAY ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
MONDAY...
..STORM WARNING IS CANCELLED
* WHAT...FOR THE SMALL CRAFT ADVISORY, NORTHWEST WINDS 15 TO 25
KT WITH GUSTS UP TO 30 KT AND SEAS 5 TO 8 FEET. FOR THE
FREEZING SPRAY ADVISORY, MODERATE ACCUMULATION OF FREEZING
SPRAY.
* WHERE...NANTUCKET SOUND.
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 7 PM EST MONDAY.
FOR THE FREEZING SPRAY ADVISORY, UNTIL 10 AM EST MONDAY.
* IMPACTS...OPERATING A VESSEL IN FREEZING SPRAY IS HAZARDOUS.
FREEZING SPRAY MAY RENDER MECHANICAL AND ELECTRONIC COMPONENTS
INOPERATIVE. ICE ACCRETION ON DECKS AND SUPERSTRUCTURES MAY
RESULT IN SOME LOSS OF STABILITY. CONDITIONS WILL BE HAZARDOUS
TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD PREPARE FOR ICE ACCUMULATION ON THEIR VESSEL AND
CONSIDER ALTERING PLANS TO AVOID OR MITIGATE THESE HAZARDOUS
CONDITIONS. DURING FREEZING SPRAY CONDITIONS, THE U.S. COAST
GUARD ADVISES MARINERS TO CHECK AND ENSURE ALL LIFE-SAVING
DEVICES REMAIN FREE OF ICE.
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
ANZ255-021715-
/O.CAN.KBOX.SR.W.0001.000000T0000Z-260202T0900Z/
/O.NEW.KBOX.SC.Y.0017.260202T0415Z-260203T1200Z/
/O.CON.KBOX.UP.Y.0007.000000T0000Z-260202T1500Z/
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
1115 PM EST SUN FEB 1 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST TUESDAY
...FREEZING SPRAY ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
MONDAY...
..STORM WARNING IS CANCELLED
* WHAT...FOR THE SMALL CRAFT ADVISORY, NORTHWEST WINDS 15 TO 25
KT WITH GUSTS UP TO 30 KT AND SEAS 7 TO 12 FEET. FOR THE
FREEZING SPRAY ADVISORY, MODERATE ACCUMULATION OF FREEZING
SPRAY.
* WHERE...COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS
VINEYARD AND NANTUCKET.
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 7 AM EST TUESDAY.
FOR THE FREEZING SPRAY ADVISORY, UNTIL 10 AM EST MONDAY.
* IMPACTS...OPERATING A VESSEL IN FREEZING SPRAY IS HAZARDOUS.
FREEZING SPRAY MAY RENDER MECHANICAL AND ELECTRONIC COMPONENTS
INOPERATIVE. ICE ACCRETION ON DECKS AND SUPERSTRUCTURES MAY
RESULT IN SOME LOSS OF STABILITY. CONDITIONS WILL BE HAZARDOUS
TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD PREPARE FOR ICE ACCUMULATION ON THEIR VESSEL AND
CONSIDER ALTERING PLANS TO AVOID OR MITIGATE THESE HAZARDOUS
CONDITIONS. DURING FREEZING SPRAY CONDITIONS, THE U.S. COAST
GUARD ADVISES MARINERS TO CHECK AND ENSURE ALL LIFE-SAVING
DEVICES REMAIN FREE OF ICE.
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
ANZ230-020515-
/O.CAN.KBOX.GL.W.0008.000000T0000Z-260202T0600Z/
BOSTON HARBOR-
1115 PM EST SUN FEB 1 2026
..GALE WARNING IS CANCELLED
ANZ254-021715-
/O.CAN.KBOX.SR.W.0001.000000T0000Z-260202T0900Z/
/O.NEW.KBOX.SC.Y.0017.260202T0415Z-260203T1200Z/
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
1115 PM EST SUN FEB 1 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST TUESDAY
..STORM WARNING IS CANCELLED
* WHAT...NORTHWEST WINDS 20 TO 30 KT AND SEAS 10 TO 15 FEET.
* WHERE...COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO
NANTUCKET MA OUT 20 NM.
* WHEN...UNTIL 7 AM EST 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.
ANZ236-021500-
/O.EXP.KBOX.GL.W.0008.000000T0000Z-260202T0400Z/
/O.CON.KBOX.UP.Y.0008.000000T0000Z-260202T1500Z/
NARRAGANSETT BAY-
1115 PM EST SUN FEB 1 2026
...FREEZING SPRAY ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
MONDAY...
..GALE WARNING HAS EXPIRED
* WHAT...MODERATE ACCUMULATION OF FREEZING SPRAY.
* WHERE...NARRAGANSETT BAY.
* WHEN...UNTIL 10 AM EST MONDAY.
* IMPACTS...OPERATING A VESSEL IN FREEZING SPRAY IS HAZARDOUS.
FREEZING SPRAY MAY RENDER MECHANICAL AND ELECTRONIC COMPONENTS
INOPERATIVE. ICE ACCRETION ON DECKS AND SUPERSTRUCTURES MAY
RESULT IN SOME LOSS OF STABILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD PREPARE FOR ICE ACCUMULATION ON THEIR VESSEL AND
CONSIDER ALTERING PLANS TO AVOID OR MITIGATE THESE HAZARDOUS
CONDITIONS. DURING FREEZING SPRAY CONDITIONS, THE U.S. COAST
GUARD ADVISES MARINERS TO CHECK AND ENSURE ALL LIFE-SAVING
DEVICES REMAIN FREE OF ICE.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page