087
WHUS71 KBOX 120608
MWWBOX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
208 AM EDT SUN APR 12 2026
ANZ235-237-121915-
/O.NEW.KBOX.SC.Y.0047.260413T0600Z-260414T0900Z/
RHODE ISLAND SOUND-BLOCK ISLAND SOUND-
208 AM EDT SUN APR 12 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM MONDAY TO 5 AM EDT
TUESDAY...
* WHAT...SOUTHWEST WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT AND
SEAS 4 TO 7 FEET EXPECTED.
* WHERE...RHODE ISLAND SOUND AND BLOCK ISLAND SOUND.
* WHEN...FROM 2 AM MONDAY TO 5 AM EDT 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.
ANZ250-251-121915-
/O.NEW.KBOX.SC.Y.0047.260413T0200Z-260414T0600Z/
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-MASSACHUSETTS BAY AND IPSWICH BAY-
208 AM EDT SUN APR 12 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 2 AM
EDT TUESDAY...
* WHAT...SOUTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND
SEAS 4 TO 6 FEET EXPECTED.
* WHERE...COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN
BANK NATIONAL MARINE SANCTUARY AND MASSACHUSETTS BAY AND
IPSWICH BAY.
* WHEN...FROM 10 PM THIS EVENING TO 2 AM EDT 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.
ANZ254>256-121915-
/O.NEW.KBOX.SC.Y.0047.260413T0600Z-260414T1200Z/
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-
208 AM EDT SUN APR 12 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM MONDAY TO 8 AM EDT
TUESDAY...
* WHAT...SOUTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND
SEAS 6 TO 9 FEET EXPECTED.
* WHERE...IN MASSACHUSETTS COASTAL WATERS, 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 2 AM MONDAY TO 8 AM EDT 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.
ANZ230-236-121915-
/O.NEW.KBOX.SC.Y.0047.260413T0600Z-260414T0000Z/
BOSTON HARBOR-NARRAGANSETT BAY-
208 AM EDT SUN APR 12 2026
..SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM TO 8 PM EDT MONDAY
* WHAT...SOUTHWEST WINDS 10 TO 15 KT WITH GUSTS UP TO 30 KT AND
WAVES 2 TO 4 FEET EXPECTED.
* WHERE...IN MASSACHUSETTS COASTAL WATERS, BOSTON HARBOR. IN
RHODE ISLAND COASTAL WATERS, NARRAGANSETT BAY.
* WHEN...FROM 2 AM TO 8 PM EDT MONDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
ANZ231>234-121915-
/O.NEW.KBOX.GL.A.0012.260413T1000Z-260413T2200Z/
CAPE COD BAY-NANTUCKET SOUND-VINEYARD SOUND-BUZZARDS BAY-
208 AM EDT SUN APR 12 2026
...GALE WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
AFTERNOON...
* WHAT...SOUTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 35 KT AND
SEAS 3 TO 5 FEET POSSIBLE.
* WHERE...CAPE COD BAY, NANTUCKET SOUND, VINEYARD SOUND AND
BUZZARDS BAY.
* WHEN...FROM MONDAY MORNING THROUGH MONDAY AFTERNOON.
* 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 WAVES.
FRANK
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