Marine Weather Message
Issued by NWS Boston, MA

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300
WHUS71 KBOX 131823
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
223 PM EDT Sun Sep 13 2026

ANZ255-256-140730-
/O.NEW.KBOX.SC.Y.0085.260914T1500Z-260915T0600Z/
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-
223 PM EDT Sun Sep 13 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM MONDAY TO 2 AM EDT
TUESDAY...

* WHAT...North winds 10 to 20 kt with gusts up to 25 kt and seas
  2 to 4 feet expected.

* 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...From 11 AM Monday to 2 AM EDT Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ250-254-140730-
/O.NEW.KBOX.SC.Y.0085.260914T1500Z-260915T0600Z/
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-
223 PM EDT Sun Sep 13 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM MONDAY TO 2 AM EDT
TUESDAY...

* WHAT...North winds 10 to 15 kt with gusts up to 25 kt and seas
  2 to 4 feet expected.

* 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...From 11 AM Monday to 2 AM EDT Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ235-237-140730-
/O.NEW.KBOX.SC.Y.0085.260914T1500Z-260915T0600Z/
Rhode Island Sound-Block Island Sound-
223 PM EDT Sun Sep 13 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM MONDAY TO 2 AM EDT
TUESDAY...

* WHAT...North winds 10 to 15 kt with gusts up to 25 kt and seas
  around 2 feet expected.

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

* WHEN...From 11 AM Monday to 2 AM EDT Tuesday.

* 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>234-140730-
/O.NEW.KBOX.SC.Y.0085.260914T1500Z-260915T0600Z/
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
223 PM EDT Sun Sep 13 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM MONDAY TO 2 AM EDT
TUESDAY...

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

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

* WHEN...From 11 AM Monday to 2 AM EDT Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$