Marine Weather Message
Issued by NWS Boston, MA

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253
WHUS71 KBOX 090704
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
304 AM EDT Thu Oct 9 2025

ANZ230-091400-
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Boston Harbor-
304 AM EDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

* WHAT...North winds 15 to 20 kt with gusts up to 25 kt and
  waves around 2 feet.

* WHERE...Boston Harbor.

* WHEN...Until 10 AM EDT this morning.

* 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>234-092000-
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Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
304 AM EDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EDT THIS
AFTERNOON...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas
  2 to 4 feet.

* WHERE...Cape Cod Bay, Nantucket Sound, Vineyard Sound and
  Buzzards Bay.

* WHEN...Until 4 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.

&&

$$

ANZ235-091700-
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Rhode Island Sound-
304 AM EDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM EDT THIS
AFTERNOON...

* WHAT...North winds 15 to 20 kt with gusts up to 25 kt and seas
  3 to 5 feet.

* WHERE...Rhode Island Sound.

* WHEN...Until 1 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.

&&

$$

ANZ237-091700-
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Block Island Sound-
304 AM EDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM EDT THIS
AFTERNOON...

* WHAT...North winds 15 to 20 kt with gusts up to 25 kt and seas
  2 to 4 feet.

* WHERE...Block Island Sound.

* WHEN...Until 1 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.

&&

$$

ANZ250-092030-
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Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
304 AM EDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas
  4 to 6 feet.

* WHERE...Coastal waters east of Ipswich Bay and the Stellwagen
  Bank National Marine Sanctuary.

* WHEN...Until 10 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.

&&

$$

ANZ251-256-092000-
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Massachusetts Bay and Ipswich Bay-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
304 AM EDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EDT THIS
AFTERNOON...

* WHAT...North winds 15 to 25 kt and seas 4 to 6 feet.

* WHERE...In Massachusetts coastal waters, Massachusetts Bay and
  Ipswich Bay. In Rhode Island coastal waters, Coastal Waters
  from Montauk NY to Marthas Vineyard extending out to 20 nm
  South of Block Island.

* WHEN...Until 4 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.

&&

$$

ANZ254-092030-
/O.EXT.KBOX.SC.Y.0099.000000T0000Z-251010T0500Z/
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
304 AM EDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM EDT FRIDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas
  4 to 6 feet.

* WHERE...Coastal waters from Provincetown MA to Chatham MA to
  Nantucket MA out 20 nm.

* WHEN...Until 1 AM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

ANZ255-092030-
/O.EXT.KBOX.SC.Y.0099.000000T0000Z-251010T0200Z/
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
304 AM EDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas
  4 to 6 feet.

* WHERE...Coastal Waters extending out to 25 nm South of Marthas
  Vineyard and Nantucket.

* WHEN...Until 10 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.

&&

$$