456
WHUS71 KBOX 130626
MWWBOX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
226 AM EDT WED MAY 13 2026
ANZ230-131930-
/O.EXT.KBOX.SC.Y.0054.260513T1500Z-260514T0300Z/
BOSTON HARBOR-
226 AM EDT WED MAY 13 2026
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 11 AM THIS MORNING TO
11 PM EDT THIS EVENING...
* WHAT...SOUTH WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT AND SEAS
3 TO 5 FEET EXPECTED.
* WHERE...BOSTON HARBOR, COASTAL WATERS EAST OF IPSWICH BAY AND
THE STELLWAGEN BANK NATIONAL MARINE SANCTUARY AND
MASSACHUSETTS BAY AND IPSWICH BAY.
* WHEN...FROM 11 AM THIS MORNING TO 11 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.
ANZ251-131930-
/O.EXT.KBOX.SC.Y.0054.260513T1500Z-260514T0300Z/
MASSACHUSETTS BAY AND IPSWICH BAY-
226 AM EDT WED MAY 13 2026
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 11 AM THIS MORNING TO
11 PM EDT THIS EVENING...
* WHAT...SOUTH WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT AND SEAS
3 TO 5 FEET EXPECTED.
* WHERE...BOSTON HARBOR, COASTAL WATERS EAST OF IPSWICH BAY AND
THE STELLWAGEN BANK NATIONAL MARINE SANCTUARY AND
MASSACHUSETTS BAY AND IPSWICH BAY.
* WHEN...FROM 11 AM THIS MORNING TO 11 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.
ANZ250-131930-
/O.EXT.KBOX.SC.Y.0054.260513T1500Z-260514T0300Z/
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
226 AM EDT WED MAY 13 2026
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 11 AM THIS MORNING TO
11 PM EDT THIS EVENING...
* WHAT...SOUTH WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT AND SEAS
3 TO 5 FEET EXPECTED.
* WHERE...BOSTON HARBOR, COASTAL WATERS EAST OF IPSWICH BAY AND
THE STELLWAGEN BANK NATIONAL MARINE SANCTUARY AND
MASSACHUSETTS BAY AND IPSWICH BAY.
* WHEN...FROM 11 AM THIS MORNING TO 11 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.
ANZ236-131930-
/O.CON.KBOX.SC.Y.0054.260513T1500Z-260514T0300Z/
NARRAGANSETT BAY-
226 AM EDT WED MAY 13 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING
TO 11 PM EDT THIS EVENING...
* WHAT...SOUTH WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT AND SEAS
3 TO 5 FEET EXPECTED.
* WHERE...PORTIONS OF MASSACHUSETTS COASTAL WATERS AND RHODE
ISLAND COASTAL WATERS.
* WHEN...FROM 11 AM TO 11 PM EDT WEDNESDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
ANZ231-131930-
/O.CON.KBOX.SC.Y.0054.260513T1500Z-260514T0300Z/
CAPE COD BAY-
226 AM EDT WED MAY 13 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING
TO 11 PM EDT THIS EVENING...
* WHAT...SOUTH WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT AND SEAS
3 TO 5 FEET EXPECTED.
* WHERE...PORTIONS OF MASSACHUSETTS COASTAL WATERS AND RHODE
ISLAND COASTAL WATERS.
* WHEN...FROM 11 AM TO 11 PM EDT WEDNESDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
ANZ254-131930-
/O.CON.KBOX.SC.Y.0054.260513T1500Z-260514T0300Z/
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
226 AM EDT WED MAY 13 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING
TO 11 PM EDT THIS EVENING...
* WHAT...SOUTH WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT AND SEAS
3 TO 5 FEET EXPECTED.
* WHERE...PORTIONS OF MASSACHUSETTS COASTAL WATERS AND RHODE
ISLAND COASTAL WATERS.
* WHEN...FROM 11 AM TO 11 PM EDT WEDNESDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
ANZ232>235-237-131930-
/O.CON.KBOX.SC.Y.0054.260513T1500Z-260514T0300Z/
NANTUCKET SOUND-VINEYARD SOUND-BUZZARDS BAY-RHODE ISLAND SOUND-
BLOCK ISLAND SOUND-
226 AM EDT WED MAY 13 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING
TO 11 PM EDT THIS EVENING...
* WHAT...SOUTH WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT AND SEAS
3 TO 5 FEET EXPECTED.
* WHERE...PORTIONS OF MASSACHUSETTS COASTAL WATERS AND RHODE
ISLAND COASTAL WATERS.
* WHEN...FROM 11 AM TO 11 PM EDT WEDNESDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
ANZ255-256-131930-
/O.CON.KBOX.SC.Y.0054.260513T1500Z-260514T0300Z/
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 AM EDT WED MAY 13 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING
TO 11 PM EDT THIS EVENING...
* WHAT...SOUTH WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT AND SEAS
3 TO 5 FEET EXPECTED.
* WHERE...PORTIONS OF MASSACHUSETTS COASTAL WATERS AND RHODE
ISLAND COASTAL WATERS.
* WHEN...FROM 11 AM TO 11 PM EDT WEDNESDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
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