Marine Weather Message - Issued When Needed
Check the date and area (our area is ANZ251)

WHUS71 KBOX 271046
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
546 AM EST Thu Nov 27 2025

ANZ255-256-280000-
/O.CON.KBOX.SC.Y.0119.000000T0000Z-251128T1100Z/
/O.CON.KBOX.GL.W.0038.251128T1100Z-251129T1200Z/
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-
546 AM EST Thu Nov 27 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST FRIDAY...
...GALE WARNING REMAINS IN EFFECT FROM 6 AM FRIDAY TO 7 AM EST
SATURDAY...

* WHAT...For the Small Craft Advisory, west winds 20 to 30 kt 
  with gusts up to 35 kt and seas 6 to 9 feet. For the Gale 
  Warning, west winds 25 to 35 kt with gusts up to 40 kt and 
  seas 7 to 10 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...For the Small Craft Advisory, until 6 AM EST Friday. 
  For the Gale Warning, from 6 AM Friday to 7 AM EST Saturday.

* 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>235-237-280000-
/O.CON.KBOX.SC.Y.0119.000000T0000Z-251128T1100Z/
/O.CON.KBOX.GL.W.0038.251128T1100Z-251129T1200Z/
Nantucket Sound-Vineyard Sound-Buzzards Bay-Rhode Island Sound-
Block Island Sound-
546 AM EST Thu Nov 27 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST FRIDAY...
...GALE WARNING REMAINS IN EFFECT FROM 6 AM FRIDAY TO 7 AM EST
SATURDAY...

* WHAT...For the Small Craft Advisory, west winds 15 to 25 kt 
  with gusts up to 30 kt and seas 4 to 6 feet. For the Gale 
  Warning, west winds 20 to 30 kt with gusts up to 35 kt and 
  seas 4 to 6 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...For the Small Craft Advisory, until 6 AM EST Friday. 
  For the Gale Warning, from 6 AM Friday to 7 AM EST Saturday.

* 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.

&&

$$

ANZ250-254-280000-
/O.CON.KBOX.SC.Y.0119.000000T0000Z-251128T1100Z/
/O.CON.KBOX.GL.W.0038.251128T1100Z-251129T1200Z/
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-
546 AM EST Thu Nov 27 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST FRIDAY...
...GALE WARNING REMAINS IN EFFECT FROM 6 AM FRIDAY TO 7 AM EST
SATURDAY...

* WHAT...For the Small Craft Advisory, west winds 15 to 20 kt 
  with gusts up to 30 kt and seas 4 to 6 feet expected. For the 
  Gale Warning, west winds 20 to 30 kt with gusts up to 35 kt 
  and seas 4 to 7 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...For the Small Craft Advisory, until 6 AM EST Friday. 
  For the Gale Warning, from 6 AM Friday to 7 AM EST Saturday.

* 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.

&&

$$

ANZ231-251-280000-
/O.CON.KBOX.SC.Y.0119.000000T0000Z-251128T1100Z/
/O.CON.KBOX.GL.W.0038.251128T1100Z-251129T1200Z/
Cape Cod Bay-Massachusetts Bay and Ipswich Bay-
546 AM EST Thu Nov 27 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST FRIDAY...
...GALE WARNING REMAINS IN EFFECT FROM 6 AM FRIDAY TO 7 AM EST
SATURDAY...

* WHAT...For the Small Craft Advisory, west winds 15 to 20 kt 
  with gusts up to 30 kt and seas 2 to 4 feet expected. For the 
  Gale Warning, west winds 15 to 25 kt with gusts up to 35 kt 
  and seas 3 to 4 feet expected.

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

* WHEN...For the Small Craft Advisory, until 6 AM EST Friday. 
  For the Gale Warning, from 6 AM Friday to 7 AM EST Saturday.

* 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.

&&

$$

ANZ230-280000-
/O.CON.KBOX.SC.Y.0119.000000T0000Z-251128T1100Z/
/O.CON.KBOX.GL.W.0038.251128T1100Z-251129T0000Z/
Boston Harbor-
546 AM EST Thu Nov 27 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST FRIDAY...
...GALE WARNING REMAINS IN EFFECT FROM 6 AM TO 7 PM EST FRIDAY...

* WHAT...For the Small Craft Advisory, west winds 10 to 20 kt 
  with gusts up to 25 kt and waves around 2 feet expected. For 
  the Gale Warning, southwest winds 15 to 25 kt with gusts up to 
  30 kt and waves around 2 feet expected.

* WHERE...Boston Harbor.

* WHEN...For the Small Craft Advisory, until 6 AM EST Friday. 
  For the Gale Warning, from 6 AM to 7 PM EST Friday.

* 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.

&&

$$

ANZ236-280000-
/O.CON.KBOX.SC.Y.0119.000000T0000Z-251128T1100Z/
/O.CON.KBOX.GL.W.0038.251128T1100Z-251129T0000Z/
Narragansett Bay-
546 AM EST Thu Nov 27 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST FRIDAY...
...GALE WARNING REMAINS IN EFFECT FROM 6 AM TO 7 PM EST FRIDAY...

* WHAT...For the Small Craft Advisory, west winds 10 to 20 kt 
  with gusts up to 30 kt and waves 2 to 4 feet expected. For the 
  Gale Warning, west winds 15 to 25 kt with gusts up to 30 kt 
  and waves 2 to 4 feet expected.

* WHERE...Narragansett Bay.

* WHEN...For the Small Craft Advisory, until 6 AM EST Friday. 
  For the Gale Warning, from 6 AM to 7 PM EST Friday.

* 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.

&&

$$