Marine Weather Message
Issued by NWS Boston, MA

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WHUS71 KBOX 010653
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
153 AM EST Mon Dec 1 2025

ANZ255-256-012200-
/O.CON.KBOX.SC.Y.0122.000000T0000Z-251201T2200Z/
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-
153 AM EST Mon Dec 1 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST THIS
AFTERNOON...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and
  seas 5 to 8 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 5 PM EST 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.

&&

$$

ANZ250-254-012200-
/O.CON.KBOX.SC.Y.0122.000000T0000Z-251201T2200Z/
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-
153 AM EST Mon Dec 1 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST THIS
AFTERNOON...

* WHAT...Northwest winds 15 to 20 kt with gusts up to 25 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 5 PM EST 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.

&&

$$

ANZ231-251-012200-
/O.CON.KBOX.SC.Y.0122.000000T0000Z-251201T2200Z/
Cape Cod Bay-Massachusetts Bay and Ipswich Bay-
153 AM EST Mon Dec 1 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST THIS
AFTERNOON...

* WHAT...Northwest winds 15 to 20 kt with gusts up to 25 kt and
  seas 2 to 3 feet.

* WHERE...Cape Cod Bay and Massachusetts Bay and Ipswich Bay.

* WHEN...Until 5 PM EST 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.

&&

$$

ANZ235-237-012000-
/O.CON.KBOX.SC.Y.0122.000000T0000Z-251201T2000Z/
Rhode Island Sound-Block Island Sound-
153 AM EST Mon Dec 1 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM EST THIS
AFTERNOON...

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

* WHERE...Rhode Island Sound and Block Island Sound.

* WHEN...Until 3 PM EST 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.

&&

$$

ANZ232>234-012000-
/O.CON.KBOX.SC.Y.0122.000000T0000Z-251201T2000Z/
Nantucket Sound-Vineyard Sound-Buzzards Bay-
153 AM EST Mon Dec 1 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM EST THIS
AFTERNOON...

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

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

* WHEN...Until 3 PM EST 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.

&&

$$

ANZ236-011800-
/O.CON.KBOX.SC.Y.0122.000000T0000Z-251201T1800Z/
Narragansett Bay-
153 AM EST Mon Dec 1 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

* WHAT...West winds around 15 kt and waves 2 to 4 feet.

* WHERE...Narragansett Bay.

* WHEN...Until 1 PM EST 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.

&&

$$

ANZ230-012000-
/O.CON.KBOX.SC.Y.0122.000000T0000Z-251201T2000Z/
Boston Harbor-
153 AM EST Mon Dec 1 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM EST THIS
AFTERNOON...

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

* WHERE...Boston Harbor.

* WHEN...Until 3 PM EST 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.

&&

$$