Marine Weather Message
Issued by NWS Boston, MA

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522
WHUS71 KBOX 161925
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
225 PM EST Sun Nov 16 2025

ANZ254>256-171000-
/O.CON.KBOX.GL.W.0036.000000T0000Z-251118T0600Z/
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-
225 PM EST Sun Nov 16 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST TUESDAY...

* WHAT...West winds 25 to 35 kt with gusts up to 40 kt and seas
  7 to 12 feet.

* WHERE...In Massachusetts coastal waters, 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 1 AM EST Tuesday.

* IMPACTS...Strong winds will cause hazardous seas which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

ANZ231-251-171000-
/O.CON.KBOX.GL.W.0036.000000T0000Z-251118T0000Z/
Cape Cod Bay-Massachusetts Bay and Ipswich Bay-
225 PM EST Sun Nov 16 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST MONDAY...

* WHAT...West winds 20 to 30 kt with gusts up to 35 kt and seas
  3 to 5 feet.

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

* WHEN...Until 7 PM EST Monday.

* IMPACTS...Strong winds will cause hazardous seas which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

ANZ232>234-171000-
/O.CON.KBOX.GL.W.0036.000000T0000Z-251118T0000Z/
Nantucket Sound-Vineyard Sound-Buzzards Bay-
225 PM EST Sun Nov 16 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST MONDAY...

* WHAT...West winds 25 to 35 kt with gusts up to 40 kt and seas
  4 to 7 feet.

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

* WHEN...Until 7 PM EST Monday.

* IMPACTS...Strong winds will cause hazardous seas which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

ANZ235-237-171000-
/O.CON.KBOX.GL.W.0036.000000T0000Z-251118T0000Z/
Rhode Island Sound-Block Island Sound-
225 PM EST Sun Nov 16 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST MONDAY...

* WHAT...West winds 25 to 30 kt with gusts up to 40 kt and seas
  5 to 8 feet.

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

* WHEN...Until 7 PM EST Monday.

* IMPACTS...Strong winds will cause hazardous seas which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

ANZ230-236-171000-
/O.CON.KBOX.GL.W.0036.000000T0000Z-251117T1200Z/
Boston Harbor-Narragansett Bay-
225 PM EST Sun Nov 16 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY...

* WHAT...West winds 20 to 25 kt with gusts up to 35 kt and waves
  2 to 4 feet.

* WHERE...In Massachusetts coastal waters, Boston Harbor. In
  Rhode Island coastal waters, Narragansett Bay.

* WHEN...Until 7 AM EST Monday.

* IMPACTS...Strong winds will cause hazardous waves which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

ANZ250-171000-
/O.CON.KBOX.GL.W.0036.000000T0000Z-251118T0600Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
225 PM EST Sun Nov 16 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST TUESDAY...

* WHAT...West winds 20 to 30 kt with gusts up to 35 kt and seas
  5 to 8 feet.

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

* WHEN...Until 1 AM EST Tuesday.

* IMPACTS...Strong winds will cause hazardous seas which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$