Marine Weather Message - Issued When Needed Check the date and area (our area is ANZ251)
WHUS71 KBOX 040617
MWWBOX
URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
217 AM EDT Tue Aug 4 2026
ANZ232>234-040730-
/O.EXP.KBOX.SC.Y.0077.000000T0000Z-260804T0600Z/
Nantucket Sound-Vineyard Sound-Buzzards Bay-
217 AM EDT Tue Aug 4 2026
...SMALL CRAFT ADVISORY HAS EXPIRED...
$$
ANZ255-256-042000-
/O.CON.KBOX.SC.Y.0077.000000T0000Z-260805T0000Z/
Coastal Waters extending out to 25 NM South of Marthas Vineyard
and Nantucket-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 NM South of Block Island-
217 AM EDT Tue Aug 4 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
* WHAT...West winds 5 to 10 kt and seas 4 to 7 feet.
* WHERE...In Massachusetts coastal waters, Coastal Waters
extending out to 25 NM South of Marthas Vineyard and
Nantucket. In Rhode Island coastal waters, Coastal Waters from
Montauk NY to Marthas Vineyard extending out to 20 NM South of
Block Island.
* WHEN...Until 8 PM EDT this evening.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
ANZ235-237-041800-
/O.CON.KBOX.SC.Y.0077.000000T0000Z-260804T1800Z/
Rhode Island Sound-Block Island Sound-
217 AM EDT Tue Aug 4 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS
AFTERNOON...
* WHAT...West winds 5 to 10 kt and seas 4 to 6 feet.
* WHERE...Rhode Island Sound and Block Island Sound.
* WHEN...Until 2 PM EDT this afternoon.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
ANZ250-254-041800-
/O.CON.KBOX.SC.Y.0077.000000T0000Z-260804T1800Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 NM-
217 AM EDT Tue Aug 4 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS
AFTERNOON...
* WHAT...West winds 10 to 15 kt and seas 3 to 5 feet.
* WHERE...Coastal waters east of Ipswich Bay and the Stellwagen
Bank National Marine Sanctuary and Coastal waters from
Provincetown MA to Chatham MA to Nantucket MA out 20 NM.
* WHEN...Until 2 PM EDT this afternoon.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
