795
WHUS71 KBOX 031403
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
903 AM EST Wed Dec 3 2025

ANZ250-254-255-040315-
/O.CAN.KBOX.GL.W.0039.000000T0000Z-251203T1800Z/
/O.UPG.KBOX.GL.A.0023.251204T2000Z-251205T1200Z/
/O.NEW.KBOX.GL.W.0040.251204T1800Z-251205T0900Z/
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-
903 AM EST Wed Dec 3 2025

...GALE WARNING IN EFFECT FROM 1 PM THURSDAY TO 4 AM EST FRIDAY...

* WHAT...Northwest winds 25 to 35 kt with gusts up to 40 kt and
  seas 5 to 8 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 1 PM Thursday to 4 AM EST Friday.

* 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.

&&

$$

ANZ231-232-251-040315-
/O.CAN.KBOX.GL.W.0039.000000T0000Z-251203T1800Z/
/O.UPG.KBOX.GL.A.0023.251204T2000Z-251205T1200Z/
/O.NEW.KBOX.GL.W.0040.251204T1800Z-251205T0900Z/
Cape Cod Bay-Nantucket Sound-Massachusetts Bay and Ipswich Bay-
903 AM EST Wed Dec 3 2025

...GALE WARNING IN EFFECT FROM 1 PM THURSDAY TO 4 AM EST FRIDAY...

* WHAT...Northwest winds 20 to 30 kt with gusts up to 40 kt and
  seas 3 to 5 feet expected.

* WHERE...Cape Cod Bay, Nantucket Sound and Massachusetts Bay
  and Ipswich Bay.

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

* 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.

&&

$$

ANZ256-040315-
/O.CAN.KBOX.SC.Y.0123.000000T0000Z-251204T0600Z/
/O.UPG.KBOX.GL.A.0023.251204T2000Z-251205T1200Z/
/O.NEW.KBOX.GL.W.0040.251204T1800Z-251205T0900Z/
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
903 AM EST Wed Dec 3 2025

...GALE WARNING IN EFFECT FROM 1 PM THURSDAY TO 4 AM EST FRIDAY...

* WHAT...Northwest winds 20 to 30 kt with gusts up to 40 kt and
  seas 5 to 8 feet expected.

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

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

* 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.

&&

$$

ANZ233>235-237-040315-
/O.CAN.KBOX.SC.Y.0123.000000T0000Z-251204T0000Z/
/O.NEW.KBOX.GL.W.0040.251204T1800Z-251205T0900Z/
Vineyard Sound-Buzzards Bay-Rhode Island Sound-Block Island Sound-
903 AM EST Wed Dec 3 2025

...GALE WARNING IN EFFECT FROM 1 PM THURSDAY TO 4 AM EST FRIDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 40 kt and
  seas 3 to 5 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 1 PM Thursday to 4 AM EST Friday.

* 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.

&&

$$

ANZ230-236-040315-
/O.NEW.KBOX.GL.A.0024.251204T1800Z-251205T0600Z/
Boston Harbor-Narragansett Bay-
903 AM EST Wed Dec 3 2025

...GALE WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE
THURSDAY NIGHT...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 35 kt and
  waves 2 to 3 feet possible.

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

* WHEN...From Thursday afternoon through late Thursday night.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and seas.

&&

$$

Frank