329
WHUS71 KBOX 201850
MWWBOX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
250 PM EDT MON JUL 20 2026
ANZ250-254>256-211000-
/O.CON.KBOX.GL.A.0015.260721T1800Z-260723T0000Z/
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-
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-
250 PM EDT MON JUL 20 2026
...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH
WEDNESDAY EVENING...
* WHAT...SOUTH WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND SEAS
6 TO 9 FEET POSSIBLE.
* WHERE...IN MASSACHUSETTS COASTAL WATERS, 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 AND 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 TUESDAY AFTERNOON THROUGH WEDNESDAY EVENING.
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS SEAS WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD CONSIDER ALTERING PLANS TO AVOID POSSIBLE
HAZARDOUS CONDITIONS. REMAIN IN PORT, SEEK SAFE HARBOR, ALTER
COURSE, AND/OR SECURE THE VESSEL FOR SEVERE WIND AND SEAS.
ANZ232>235-211000-
/O.CON.KBOX.GL.A.0015.260721T1800Z-260723T0000Z/
NANTUCKET SOUND-VINEYARD SOUND-BUZZARDS BAY-RHODE ISLAND SOUND-
250 PM EDT MON JUL 20 2026
...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH
WEDNESDAY EVENING...
* WHAT...SOUTH WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND SEAS
5 TO 8 FEET POSSIBLE.
* WHERE...IN MASSACHUSETTS COASTAL WATERS, NANTUCKET SOUND,
VINEYARD SOUND AND BUZZARDS BAY. IN RHODE ISLAND COASTAL
WATERS, RHODE ISLAND SOUND.
* WHEN...FROM TUESDAY AFTERNOON THROUGH WEDNESDAY EVENING.
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS SEAS WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD CONSIDER ALTERING PLANS TO AVOID POSSIBLE
HAZARDOUS CONDITIONS. REMAIN IN PORT, SEEK SAFE HARBOR, ALTER
COURSE, AND/OR SECURE THE VESSEL FOR SEVERE WIND AND SEAS.
ANZ231-211000-
/O.CON.KBOX.GL.A.0015.260721T1800Z-260723T0000Z/
CAPE COD BAY-
250 PM EDT MON JUL 20 2026
...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH
WEDNESDAY EVENING...
* WHAT...SOUTH WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT AND SEAS
2 TO 4 FEET POSSIBLE.
* WHERE...CAPE COD BAY.
* WHEN...FROM TUESDAY AFTERNOON THROUGH WEDNESDAY EVENING.
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS SEAS WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD CONSIDER ALTERING PLANS TO AVOID POSSIBLE
HAZARDOUS CONDITIONS. REMAIN IN PORT, SEEK SAFE HARBOR, ALTER
COURSE, AND/OR SECURE THE VESSEL FOR SEVERE WIND AND SEAS.
ANZ280>283-211000-
/O.CON.KBOX.GL.A.0015.260721T1800Z-260723T0000Z/
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-
250 PM EDT MON JUL 20 2026
...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH
WEDNESDAY EVENING...
* WHAT...SOUTH WINDS 15 TO 25 KT WITH GUSTS UP TO 35 KT AND SEAS
7 TO 12 FEET POSSIBLE.
* WHERE...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 AND OCEAN WATERS FROM MONTAUK NY TO MARTHAS
VINEYARD FROM 25 TO 60 NM.
* WHEN...FROM TUESDAY AFTERNOON THROUGH WEDNESDAY EVENING.
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS SEAS WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD CONSIDER ALTERING PLANS TO AVOID POSSIBLE
HAZARDOUS CONDITIONS. REMAIN IN PORT, SEEK SAFE HARBOR, ALTER
COURSE, AND/OR SECURE THE VESSEL FOR SEVERE WIND AND SEAS.
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