455
WHUS71 KBOX 251858
MWWBOX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
258 PM EDT FRI SEP 25 2026
ANZ256-283-260800-
/O.EXT.KBOX.SR.W.0005.000000T0000Z-260927T0600Z/
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
258 PM EDT FRI SEP 25 2026
..STORM WARNING NOW IN EFFECT UNTIL 2 AM EDT SUNDAY
* WHAT...NORTHEAST WINDS 35 TO 45 KT WITH GUSTS UP TO 55 KT AND
SEAS 20 TO 25 FEET.
* WHERE...IN RHODE ISLAND COASTAL WATERS, COASTAL WATERS FROM
MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT TO 20 NM SOUTH OF
BLOCK ISLAND. IN ATLANTIC COASTAL WATERS, OCEAN WATERS FROM
MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM.
* WHEN...UNTIL 2 AM EDT SUNDAY.
* 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.
ANZ235-237-260800-
/O.EXT.KBOX.SR.W.0005.000000T0000Z-260927T0600Z/
RHODE ISLAND SOUND-BLOCK ISLAND SOUND-
258 PM EDT FRI SEP 25 2026
..STORM WARNING NOW IN EFFECT UNTIL 2 AM EDT SUNDAY
* WHAT...NORTHEAST WINDS 25 TO 35 KT WITH GUSTS UP TO 55 KT AND
SEAS 6 TO 11 FEET.
* WHERE...RHODE ISLAND SOUND AND BLOCK ISLAND SOUND.
* WHEN...UNTIL 2 AM EDT SUNDAY.
* 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.
ANZ255-282-260800-
/O.CON.KBOX.SR.W.0005.000000T0000Z-260927T0000Z/
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
258 PM EDT FRI SEP 25 2026
..STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY
* WHAT...NORTHEAST WINDS 30 TO 40 KT WITH GUSTS UP TO 60 KT AND
SEAS 20 TO 25 FEET.
* WHERE...IN MASSACHUSETTS COASTAL WATERS, COASTAL WATERS
EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD AND
NANTUCKET. IN ATLANTIC COASTAL WATERS, OCEAN WATERS FROM
MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM.
* WHEN...UNTIL 8 PM EDT SATURDAY.
* 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.
ANZ254-281-260800-
/O.CON.KBOX.SR.W.0005.000000T0000Z-260927T0000Z/
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
258 PM EDT FRI SEP 25 2026
..STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY
* WHAT...NORTHEAST WINDS 25 TO 35 KT WITH GUSTS UP TO 55 KT AND
SEAS 17 TO 22 FEET.
* WHERE...IN MASSACHUSETTS COASTAL WATERS, COASTAL WATERS FROM
PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA OUT 20 NM. IN
ATLANTIC COASTAL WATERS, OCEAN WATERS FROM PROVINCETOWN TO
NANTUCKET FROM 20 TO 60 NM.
* WHEN...UNTIL 8 PM EDT SATURDAY.
* 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.
ANZ231-260800-
/O.CON.KBOX.SR.W.0005.000000T0000Z-260927T0000Z/
CAPE COD BAY-
258 PM EDT FRI SEP 25 2026
..STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY
* WHAT...NORTHEAST WINDS 20 TO 30 KT WITH GUSTS UP TO 50 KT AND
SEAS 6 TO 9 FEET.
* WHERE...CAPE COD BAY.
* WHEN...UNTIL 8 PM EDT SATURDAY.
* 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.
ANZ250-251-280-260800-
/O.CON.KBOX.SR.W.0005.000000T0000Z-260927T0000Z/
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-MASSACHUSETTS BAY AND IPSWICH BAY-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
258 PM EDT FRI SEP 25 2026
..STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY
* WHAT...NORTHEAST WINDS 25 TO 35 KT WITH GUSTS UP TO 50 KT AND
SEAS 16 TO 21 FEET.
* WHERE...IN MASSACHUSETTS COASTAL WATERS, COASTAL WATERS EAST
OF IPSWICH BAY AND THE STELLWAGEN BANK NATIONAL MARINE
SANCTUARY AND MASSACHUSETTS BAY AND IPSWICH BAY. IN ATLANTIC
COASTAL WATERS, OCEAN WATERS FROM THE MERRIMACK RIVER TO
PLYMOUTH FROM 40 TO 60 NM.
* WHEN...UNTIL 8 PM EDT SATURDAY.
* 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.
ANZ230-236-260800-
/O.CON.KBOX.SR.W.0005.000000T0000Z-260927T0000Z/
BOSTON HARBOR-NARRAGANSETT BAY-
258 PM EDT FRI SEP 25 2026
..STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY
* WHAT...NORTHEAST WINDS 20 TO 25 KT WITH GUSTS UP TO 50 KT AND
WAVES AROUND 3 FEET.
* WHERE...IN MASSACHUSETTS COASTAL WATERS, BOSTON HARBOR. IN
RHODE ISLAND COASTAL WATERS, NARRAGANSETT BAY.
* WHEN...UNTIL 8 PM EDT SATURDAY.
* IMPACTS...STORM FORCE WINDS AND HAZARDOUS WAVES 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.
ANZ232>234-260800-
/O.CON.KBOX.SR.W.0005.000000T0000Z-260927T0000Z/
NANTUCKET SOUND-VINEYARD SOUND-BUZZARDS BAY-
258 PM EDT FRI SEP 25 2026
..STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY
* WHAT...NORTHEAST WINDS 25 TO 35 KT WITH GUSTS UP TO 55 KT AND
SEAS 6 TO 9 FEET.
* WHERE...NANTUCKET SOUND, VINEYARD SOUND AND BUZZARDS BAY.
* WHEN...UNTIL 8 PM EDT SATURDAY.
* 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.
FRANK
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page