Marine Weather Message - Issued When Needed Check the date and area (our area is ANZ251)
WHUS71 KBOX 161857
MWWBOX
URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
257 PM EDT Thu Jul 16 2026
ANZ232>235-237-170000-
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Nantucket Sound-Vineyard Sound-Buzzards Bay-Rhode Island Sound-
Block Island Sound-
257 PM EDT Thu Jul 16 2026
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
* WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and
seas around 3 feet.
* 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...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.
&&
$$
ANZ250-254>256-170000-
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Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 NM-
Coastal Waters extending out to 25 NM South of Marthas Vineyard
and Nantucket-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 NM South of Block Island-
257 PM EDT Thu Jul 16 2026
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and
seas around 3 feet.
* WHERE...In Massachusetts coastal waters, Coastal waters east
of Ipswich Bay and the Stellwagen Bank National Marine
Sanctuary, Coastal waters from Provincetown MA to Chatham MA
to Nantucket MA out 20 NM and Coastal Waters extending out to
25 NM South of Marthas Vineyard and Nantucket. In Rhode Island
coastal waters, Coastal Waters from Montauk NY to Marthas
Vineyard extending out to 20 NM South of Block Island.
* WHEN...Until 8 PM EDT this evening.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
ANZ231-251-170000-
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Cape Cod Bay-Massachusetts Bay and Ipswich Bay-
257 PM EDT Thu Jul 16 2026
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
* WHAT...West winds 10 to 15 kt with gusts up to 25 kt and seas
around 3 feet.
* WHERE...Cape Cod Bay and Massachusetts Bay and Ipswich Bay.
* 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.
&&
$$
ANZ230-170000-
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Boston Harbor-
257 PM EDT Thu Jul 16 2026
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
* WHAT...West winds 10 to 15 kt with gusts up to 25 kt and waves
around 2 feet.
* WHERE...Boston Harbor.
* WHEN...Until 8 PM EDT this evening.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
ANZ236-170000-
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Narragansett Bay-
257 PM EDT Thu Jul 16 2026
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
* WHAT...West winds 10 to 15 kt with gusts up to 25 kt and waves
around 3 feet.
* WHERE...Narragansett Bay.
* 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.
&&
$$
Frank
