Marine Weather Message
Issued by NWS Boston, MA

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094
WHUS71 KBOX 160755
MWWBOX

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

ANZ230-236-162100-
/O.UPG.KBOX.SC.Y.0115.251116T1400Z-251118T0000Z/
/O.EXB.KBOX.GL.W.0036.251116T1800Z-251117T1200Z/
Boston Harbor-Narragansett Bay-
255 AM EST Sun Nov 16 2025

...GALE WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 AM EST
MONDAY...

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

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

* WHEN...From 1 PM this afternoon to 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.

&&

$$

ANZ254>256-162100-
/O.EXT.KBOX.GL.W.0036.251116T1400Z-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-
255 AM EST Sun Nov 16 2025

...GALE WARNING NOW IN EFFECT FROM 9 AM THIS MORNING TO 1 AM EST
TUESDAY...

* WHAT...West winds 30 to 40 kt and seas 8 to 13 feet expected.

* 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...From 9 AM this morning to 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.

&&

$$

ANZ231-251-162100-
/O.EXT.KBOX.GL.W.0036.251116T1400Z-251118T0000Z/
Cape Cod Bay-Massachusetts Bay and Ipswich Bay-
255 AM EST Sun Nov 16 2025

...GALE WARNING NOW IN EFFECT FROM 9 AM THIS MORNING TO 7 PM EST
MONDAY...

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

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

* WHEN...From 9 AM this morning to 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>234-162100-
/O.EXT.KBOX.GL.W.0036.251116T1400Z-251118T0000Z/
Nantucket Sound-Vineyard Sound-Buzzards Bay-
255 AM EST Sun Nov 16 2025

...GALE WARNING NOW IN EFFECT FROM 9 AM THIS MORNING TO 7 PM EST
MONDAY...

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

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

* WHEN...From 9 AM this morning to 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.

&&

$$

ANZ235-237-162100-
/O.EXT.KBOX.GL.W.0036.251116T1400Z-251118T0000Z/
Rhode Island Sound-Block Island Sound-
255 AM EST Sun Nov 16 2025

...GALE WARNING NOW IN EFFECT FROM 9 AM THIS MORNING TO 7 PM EST
MONDAY...

* WHAT...West winds 25 to 35 kt with gusts up to 40 kt and seas
  5 to 8 feet expected.

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

* WHEN...From 9 AM this morning to 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.

&&

$$

ANZ250-162100-
/O.EXT.KBOX.GL.W.0036.251116T1400Z-251118T0600Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
255 AM EST Sun Nov 16 2025

...GALE WARNING NOW IN EFFECT FROM 9 AM THIS MORNING TO 1 AM EST
TUESDAY...

* WHAT...West winds 20 to 30 kt with gusts up to 40 kt and seas
  4 to 7 feet expected.

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

* WHEN...From 9 AM this morning to 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.

&&

$$