Marine Weather Message
Issued by NWS Boston, MA

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242
WHUS71 KBOX 090621
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
121 AM EST Sun Nov 9 2025

ANZ250-254>256-100000-
/O.NEW.KBOX.SC.Y.0112.251109T1700Z-251110T1200Z/
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-
121 AM EST Sun Nov 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 7 AM EST
MONDAY...

* WHAT...Southeast winds 15 to 25 kt with gusts up to 30 kt and
  seas 4 to 6 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 today to 7 AM EST 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>235-237-100000-
/O.NEW.KBOX.SC.Y.0112.251109T1700Z-251110T1200Z/
Nantucket Sound-Vineyard Sound-Buzzards Bay-Rhode Island Sound-
Block Island Sound-
121 AM EST Sun Nov 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 7 AM EST
MONDAY...

* WHAT...Southeast winds 10 to 20 kt with gusts up to 25 kt and
  seas 3 to 5 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 today to 7 AM EST 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.

&&

$$

ANZ231-251-100000-
/O.NEW.KBOX.SC.Y.0112.251109T1700Z-251110T1200Z/
Cape Cod Bay-Massachusetts Bay and Ipswich Bay-
121 AM EST Sun Nov 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 7 AM EST
MONDAY...

* WHAT...Southeast winds 15 to 25 kt and seas 2 to 4 feet
  expected.

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

* WHEN...From noon today to 7 AM EST 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.

&&

$$

ANZ230-100000-
/O.NEW.KBOX.SC.Y.0112.251109T1700Z-251110T1200Z/
Boston Harbor-
121 AM EST Sun Nov 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 7 AM EST
MONDAY...

* WHAT...Southeast winds 10 to 20 kt with gusts up to 25 kt and
  waves 1 to 3 feet expected.

* WHERE...Boston Harbor.

* WHEN...From noon today to 7 AM EST 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.

&&

$$