Marine Weather Message
Issued by NWS Boston, MA

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298
WHUS71 KBOX 011808
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
108 PM EST Mon Dec 1 2025

ANZ230-021200-
/O.CAN.KBOX.SC.Y.0122.000000T0000Z-251201T2000Z/
/O.NEW.KBOX.GL.W.0039.251203T0000Z-251203T1200Z/
Boston Harbor-
108 PM EST Mon Dec 1 2025

...GALE WARNING IN EFFECT FROM 7 PM TUESDAY TO 7 AM EST
WEDNESDAY...
...SMALL CRAFT ADVISORY IS CANCELLED...

* WHAT...North winds 15 to 25 kt with gusts up to 35 kt and waves
  1 to 3 feet expected.

* WHERE...Boston Harbor.

* WHEN...From 7 PM Tuesday to 7 AM EST Wednesday.

* 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.

&&

$$

ANZ231-251-021200-
/O.CAN.KBOX.SC.Y.0122.000000T0000Z-251201T2200Z/
/O.NEW.KBOX.GL.W.0039.251203T0000Z-251203T1800Z/
Cape Cod Bay-Massachusetts Bay and Ipswich Bay-
108 PM EST Mon Dec 1 2025

...GALE WARNING IN EFFECT FROM 7 PM TUESDAY TO 1 PM EST
WEDNESDAY...
...SMALL CRAFT ADVISORY IS CANCELLED...

* WHAT...North winds 20 to 30 kt with gusts up to 35 kt and seas
  4 to 6 feet expected.

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

* WHEN...From 7 PM Tuesday to 1 PM EST Wednesday.

* 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.

&&

$$

ANZ232-021200-
/O.CAN.KBOX.SC.Y.0122.000000T0000Z-251201T2000Z/
/O.NEW.KBOX.GL.W.0039.251203T0000Z-251203T1800Z/
Nantucket Sound-
108 PM EST Mon Dec 1 2025

...GALE WARNING IN EFFECT FROM 7 PM TUESDAY TO 1 PM EST
WEDNESDAY...
...SMALL CRAFT ADVISORY IS CANCELLED...

* WHAT...North winds 20 to 30 kt with gusts up to 35 kt and seas
  4 to 6 feet expected.

* WHERE...Nantucket Sound.

* WHEN...From 7 PM Tuesday to 1 PM EST Wednesday.

* 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.

&&

$$

ANZ250-254-255-021200-
/O.CAN.KBOX.SC.Y.0122.000000T0000Z-251201T2200Z/
/O.NEW.KBOX.GL.W.0039.251203T0000Z-251203T1800Z/
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-
108 PM EST Mon Dec 1 2025

...GALE WARNING IN EFFECT FROM 7 PM TUESDAY TO 1 PM EST
WEDNESDAY...
...SMALL CRAFT ADVISORY IS CANCELLED...

* WHAT...North winds 20 to 30 kt with gusts up to 35 kt and seas
  6 to 11 feet expected.

* WHERE...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.

* WHEN...From 7 PM Tuesday to 1 PM EST Wednesday.

* 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.

&&

$$

ANZ256-021200-
/O.CAN.KBOX.SC.Y.0122.000000T0000Z-251201T2200Z/
/O.NEW.KBOX.SC.Y.0123.251202T2100Z-251204T0600Z/
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
108 PM EST Mon Dec 1 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM TUESDAY TO 1 AM EST
THURSDAY...

* WHAT...Northwest winds 20 to 30 kt and seas 6 to 11 feet
  expected.

* WHERE...Coastal Waters from Montauk NY to Marthas Vineyard
  extending out to 20 nm South of Block Island.

* WHEN...From 4 PM Tuesday to 1 AM EST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ233>235-237-021200-
/O.CAN.KBOX.SC.Y.0122.000000T0000Z-251201T2000Z/
/O.NEW.KBOX.SC.Y.0123.251202T2100Z-251204T0000Z/
Vineyard Sound-Buzzards Bay-Rhode Island Sound-Block Island Sound-
108 PM EST Mon Dec 1 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM TUESDAY TO 7 PM EST
WEDNESDAY...

* WHAT...North winds 20 to 30 kt and seas 5 to 8 feet expected.

* WHERE...In Massachusetts coastal waters, Vineyard Sound and
  Buzzards Bay. In Rhode Island coastal waters, Rhode Island
  Sound and Block Island Sound.

* WHEN...From 4 PM Tuesday to 7 PM EST Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ236-021200-
/O.EXP.KBOX.SC.Y.0122.000000T0000Z-251201T1800Z/
/O.NEW.KBOX.SC.Y.0123.251202T2100Z-251203T1200Z/
Narragansett Bay-
108 PM EST Mon Dec 1 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM TUESDAY TO 7 AM EST
WEDNESDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and
  waves 2 to 3 feet expected.

* WHERE...Narragansett Bay.

* WHEN...From 4 PM Tuesday to 7 AM EST Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$