Marine Weather Message - Issued When Needed Check the date and area (our area is ANZ251)
WHUS71 KBOX 131801
MWWBOX
URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
201 PM EDT Sat Jun 13 2026
ANZ250-254>256-141200-
/O.NEW.KBOX.SC.Y.0066.260614T1600Z-260615T1200Z/
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-
201 PM EDT Sat Jun 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON SUNDAY TO 8 AM EDT
MONDAY...
* WHAT...South winds 10 to 20 kt with gusts up to 25 kt and seas
3 to 5 feet expected.
* 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 noon Sunday to 8 AM 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.
&&
$$
ANZ232>235-237-141200-
/O.NEW.KBOX.SC.Y.0066.260614T1600Z-260615T1200Z/
Nantucket Sound-Vineyard Sound-Buzzards Bay-Rhode Island Sound-
Block Island Sound-
201 PM EDT Sat Jun 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON SUNDAY TO 8 AM EDT
MONDAY...
* WHAT...South winds 10 to 20 kt with gusts up to 25 kt and seas
2 to 4 feet expected.
* WHERE...In Massachusetts coastal waters, Nantucket Sound,
Vineyard Sound and Buzzards Bay. In Rhode Island coastal
waters, Rhode Island Sound and Block Island Sound.
* WHEN...From noon Sunday to 8 AM EDT Monday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
ANZ231-251-141200-
/O.NEW.KBOX.SC.Y.0066.260614T1600Z-260615T1200Z/
Cape Cod Bay-Massachusetts Bay and Ipswich Bay-
201 PM EDT Sat Jun 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON SUNDAY TO 8 AM EDT
MONDAY...
* WHAT...South winds 10 to 20 kt with gusts up to 25 kt and seas
2 to 3 feet expected.
* WHERE...Cape Cod Bay and Massachusetts Bay and Ipswich Bay.
* WHEN...From noon Sunday to 8 AM 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.
&&
$$
ANZ236-141200-
/O.NEW.KBOX.SC.Y.0066.260614T1600Z-260615T0600Z/
Narragansett Bay-
201 PM EDT Sat Jun 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON SUNDAY TO 2 AM EDT
MONDAY...
* WHAT...South winds 10 to 15 kt with gusts to 25 kt and waves 2
to 3 feet expected.
* WHERE...Narragansett Bay.
* WHEN...From noon Sunday to 2 AM EDT Monday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
ANZ230-141200-
/O.NEW.KBOX.SC.Y.0066.260614T1600Z-260615T0600Z/
Boston Harbor-
201 PM EDT Sat Jun 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON SUNDAY TO 2 AM EDT
MONDAY...
* WHAT...South winds 10 to 20 kt with gusts up to 25 kt and
waves around 2 feet expected.
* WHERE...Boston Harbor.
* WHEN...From noon Sunday to 2 AM 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.
&&
$$
