941
WHUS71 KBOX 281826
MWWBOX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
226 PM EDT THU MAY 28 2026
ANZ230-290730-
/O.UPG.KBOX.GL.A.0013.260530T0900Z-260531T0000Z/
/O.NEW.KBOX.GL.W.0017.260530T0600Z-260531T0000Z/
BOSTON HARBOR-
226 PM EDT THU MAY 28 2026
..GALE WARNING IN EFFECT FROM 2 AM TO 8 PM EDT SATURDAY
* WHAT...NORTH WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT AND
WAVES 2 TO 3 FEET EXPECTED.
* WHERE...BOSTON HARBOR.
* WHEN...FROM 2 AM TO 8 PM EDT SATURDAY.
* 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.
ANZ236-290730-
/O.UPG.KBOX.GL.A.0013.260530T1500Z-260531T0000Z/
/O.NEW.KBOX.GL.W.0017.260530T0600Z-260531T0000Z/
NARRAGANSETT BAY-
226 PM EDT THU MAY 28 2026
..GALE WARNING IN EFFECT FROM 2 AM TO 8 PM EDT SATURDAY
* WHAT...NORTH WINDS 20 TO 30 KT WITH GUSTS UP TO 40 KT AND
WAVES 2 TO 3 FEET EXPECTED.
* WHERE...NARRAGANSETT BAY.
* WHEN...FROM 2 AM TO 8 PM EDT SATURDAY.
* 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.
ANZ232>235-237-290730-
/O.UPG.KBOX.GL.A.0013.260530T1500Z-260531T0000Z/
/O.NEW.KBOX.GL.W.0017.260530T0600Z-260531T0000Z/
NANTUCKET SOUND-VINEYARD SOUND-BUZZARDS BAY-RHODE ISLAND SOUND-
BLOCK ISLAND SOUND-
226 PM EDT THU MAY 28 2026
..GALE WARNING IN EFFECT FROM 2 AM TO 8 PM EDT SATURDAY
* WHAT...NORTH WINDS 20 TO 30 KT WITH GUSTS UP TO 45 KT AND SEAS
4 TO 6 FEET EXPECTED.
* WHERE...IN MASSACHUSETTS COASTAL WATERS, NANTUCKET SOUND,
VINEYARD SOUND AND BUZZARDS BAY. IN RHODE ISLAND COASTAL
WATERS, RHODE ISLAND SOUND AND BLOCK ISLAND SOUND.
* WHEN...FROM 2 AM TO 8 PM EDT SATURDAY.
* 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.
ANZ231-290730-
/O.UPG.KBOX.GL.A.0013.260530T1500Z-260531T0000Z/
/O.NEW.KBOX.GL.W.0017.260530T0600Z-260531T0000Z/
CAPE COD BAY-
226 PM EDT THU MAY 28 2026
..GALE WARNING IN EFFECT FROM 2 AM TO 8 PM EDT SATURDAY
* WHAT...NORTH WINDS 20 TO 30 KT WITH GUSTS UP TO 45 KT AND SEAS
4 TO 7 FEET EXPECTED.
* WHERE...CAPE COD BAY.
* WHEN...FROM 2 AM TO 8 PM EDT SATURDAY.
* 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.
ANZ251-290730-
/O.UPG.KBOX.GL.A.0013.260530T0900Z-260531T0000Z/
/O.NEW.KBOX.GL.W.0017.260530T0600Z-260531T0000Z/
MASSACHUSETTS BAY AND IPSWICH BAY-
226 PM EDT THU MAY 28 2026
..GALE WARNING IN EFFECT FROM 2 AM TO 8 PM EDT SATURDAY
* WHAT...NORTHEAST WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT AND
SEAS 6 TO 9 FEET EXPECTED.
* WHERE...MASSACHUSETTS BAY AND IPSWICH BAY.
* WHEN...FROM 2 AM TO 8 PM EDT SATURDAY.
* 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.
ANZ250-290730-
/O.UPG.KBOX.GL.A.0013.260530T0900Z-260531T0000Z/
/O.NEW.KBOX.GL.W.0017.260530T0600Z-260531T0000Z/
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
226 PM EDT THU MAY 28 2026
..GALE WARNING IN EFFECT FROM 2 AM TO 8 PM EDT SATURDAY
* WHAT...NORTHEAST WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT AND
SEAS 7 TO 12 FEET EXPECTED.
* WHERE...COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN
BANK NATIONAL MARINE SANCTUARY.
* WHEN...FROM 2 AM TO 8 PM EDT SATURDAY.
* 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.
ANZ254-290730-
/O.UPG.KBOX.GL.A.0013.260530T1500Z-260531T0000Z/
/O.NEW.KBOX.GL.W.0017.260530T0600Z-260531T0000Z/
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
226 PM EDT THU MAY 28 2026
..GALE WARNING IN EFFECT FROM 2 AM TO 8 PM EDT SATURDAY
* WHAT...NORTHEAST WINDS 20 TO 30 KT WITH GUSTS UP TO 40 KT AND
SEAS 6 TO 11 FEET EXPECTED.
* WHERE...COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO
NANTUCKET MA OUT 20 NM.
* WHEN...FROM 2 AM TO 8 PM EDT SATURDAY.
* 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.
ANZ255-256-290730-
/O.UPG.KBOX.GL.A.0013.260530T1500Z-260531T0000Z/
/O.NEW.KBOX.GL.W.0017.260530T0600Z-260531T0000Z/
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-
226 PM EDT THU MAY 28 2026
..GALE WARNING IN EFFECT FROM 2 AM TO 8 PM EDT SATURDAY
* WHAT...NORTHWEST WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT AND
SEAS 5 TO 8 FEET EXPECTED.
* 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...FROM 2 AM TO 8 PM EDT SATURDAY.
* 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.
ANZ280-290730-
/O.UPG.KBOX.GL.A.0013.260530T0900Z-260531T0000Z/
/O.NEW.KBOX.GL.W.0017.260530T0600Z-260531T0000Z/
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
226 PM EDT THU MAY 28 2026
..GALE WARNING IN EFFECT FROM 2 AM TO 8 PM EDT SATURDAY
* WHAT...NORTHEAST WINDS 20 TO 30 KT WITH GUSTS UP TO 40 KT AND
SEAS 6 TO 11 FEET EXPECTED.
* WHERE...OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM
40 TO 60 NM.
* WHEN...FROM 2 AM TO 8 PM EDT SATURDAY.
* 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.
ANZ281>283-290730-
/O.UPG.KBOX.GL.A.0013.260530T1500Z-260531T0000Z/
/O.NEW.KBOX.GL.W.0017.260530T0600Z-260531T0000Z/
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-
226 PM EDT THU MAY 28 2026
..GALE WARNING IN EFFECT FROM 2 AM TO 8 PM EDT SATURDAY
* WHAT...NORTH WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT AND SEAS
7 TO 12 FEET EXPECTED.
* WHERE...OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO
60 NM, OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25
TO 60 NM AND OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD
FROM 25 TO 60 NM.
* WHEN...FROM 2 AM TO 8 PM EDT SATURDAY.
* 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.
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