804
WHUS71 KBOX 302053
MWWBOX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
453 PM EDT SAT MAY 30 2026
ANZ231>234-310000-
/O.CAN.KBOX.SR.W.0004.000000T0000Z-260531T0000Z/
/O.EXA.KBOX.GL.W.0017.000000T0000Z-260531T0000Z/
CAPE COD BAY-NANTUCKET SOUND-VINEYARD SOUND-BUZZARDS BAY-
453 PM EDT SAT MAY 30 2026
..GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING
..STORM WARNING IS CANCELLED
* WHAT...NORTHEAST WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT AND
SEAS 4 TO 6 FEET.
* WHERE...CAPE COD BAY, NANTUCKET SOUND, VINEYARD SOUND AND
BUZZARDS BAY.
* WHEN...UNTIL 8 PM EDT THIS EVENING.
* 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.
ANZ235-237-310000-
/O.CAN.KBOX.SR.W.0004.000000T0000Z-260531T0000Z/
/O.EXA.KBOX.GL.W.0017.000000T0000Z-260531T0000Z/
RHODE ISLAND SOUND-BLOCK ISLAND SOUND-
453 PM EDT SAT MAY 30 2026
..GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING
..STORM WARNING IS CANCELLED
* WHAT...NORTH WINDS 25 TO 35 KT WITH GUSTS UP TO 40 KT AND SEAS
4 TO 6 FEET.
* WHERE...RHODE ISLAND SOUND AND BLOCK ISLAND SOUND.
* WHEN...UNTIL 8 PM EDT THIS EVENING.
* 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.
ANZ250-251-310000-
/O.CAN.KBOX.SR.W.0004.000000T0000Z-260531T0000Z/
/O.EXA.KBOX.GL.W.0017.000000T0000Z-260531T0000Z/
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-MASSACHUSETTS BAY AND IPSWICH BAY-
453 PM EDT SAT MAY 30 2026
..GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING
..STORM WARNING IS CANCELLED
* WHAT...NORTHEAST WINDS 20 TO 30 KT WITH GUSTS UP TO 35 KT AND
SEAS 8 TO 12 FEET.
* WHERE...COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN
BANK NATIONAL MARINE SANCTUARY AND MASSACHUSETTS BAY AND
IPSWICH BAY.
* WHEN...UNTIL 8 PM EDT THIS EVENING.
* 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.
ANZ256-310000-
/O.CAN.KBOX.SR.W.0004.000000T0000Z-260531T0000Z/
/O.EXA.KBOX.GL.W.0017.000000T0000Z-260531T0000Z/
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
453 PM EDT SAT MAY 30 2026
..GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING
..STORM WARNING IS CANCELLED
* WHAT...NORTH WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT AND SEAS
6 TO 8 FEET.
* WHERE...COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD
EXTENDING OUT TO 20 NM SOUTH OF BLOCK ISLAND.
* WHEN...UNTIL 8 PM EDT THIS EVENING.
* 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.
ANZ236-310000-
/O.CAN.KBOX.GL.W.0017.000000T0000Z-260531T0000Z/
/O.NEW.KBOX.SC.Y.0059.260530T2053Z-260531T0000Z/
NARRAGANSETT BAY-
453 PM EDT SAT MAY 30 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
..GALE WARNING IS CANCELLED
* WHAT...NORTH WINDS 20 TO 30 KT WITH GUSTS UP TO 30 KT AND
WAVES AROUND 3 FEET.
* WHERE...NARRAGANSETT BAY.
* 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.
ANZ230-310000-
/O.CON.KBOX.GL.W.0017.000000T0000Z-260531T0000Z/
BOSTON HARBOR-
453 PM EDT SAT MAY 30 2026
..GALE WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING
* WHAT...NORTHEAST WINDS 15 TO 25 KT WITH GUSTS UP TO 35 KT AND
WAVES 2 TO 4 FEET.
* WHERE...BOSTON HARBOR.
* WHEN...UNTIL 8 PM EDT THIS EVENING.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES 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.
ANZ254-255-280>283-310000-
/O.CON.KBOX.SR.W.0004.000000T0000Z-260531T0000Z/
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
453 PM EDT SAT MAY 30 2026
..STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING
* WHAT...NORTHEAST WINDS 25 TO 35 KT WITH GUSTS UP TO 50 KT AND
SEAS 8 TO 13 FEET.
* WHERE...PORTIONS OF ATLANTIC COASTAL WATERS AND MASSACHUSETTS
COASTAL WATERS.
* WHEN...UNTIL 8 PM EDT THIS EVENING.
* IMPACTS...STORM FORCE WINDS AND HAZARDOUS SEAS WILL CAPSIZE OR
DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD REMAIN IN PORT, ALTER COURSE, AND/OR SECURE THE
VESSEL FOR SEVERE CONDITIONS.
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