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Ice Accretion Advisory 0010
Issued by the Boston Forecast Office

Action Issued Starts Expiration
New 2026-02-08 23:31:45 2026-02-08 23:31:00 2026-02-09 12:00:00
New 2026-02-08 23:31:45 2026-02-08 23:31:00 2026-02-09 12:00:00
New 2026-02-08 23:31:45 2026-02-08 23:31:00 2026-02-09 12:00:00
New 2026-02-08 23:31:45 2026-02-08 23:31:00 2026-02-09 12:00:00


Action: New
Issued At: 2026-02-08 23:31:45

028 
WHUS71 KBOX 090531
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
1231 AM EST Mon Feb 9 2026

ANZ231-232-251-092000-
/O.CAN.KBOX.UP.W.0003.000000T0000Z-260209T1200Z/
/O.NEW.KBOX.UP.Y.0010.260209T0531Z-260209T1800Z/
/O.EXT.KBOX.SC.Y.0018.000000T0000Z-260210T0000Z/
Cape Cod Bay-Nantucket Sound-Massachusetts Bay and Ipswich Bay-
1231 AM EST Mon Feb 9 2026

...FREEZING SPRAY ADVISORY IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM EST THIS
EVENING...
...HEAVY FREEZING SPRAY WARNING IS CANCELLED...

* WHAT...For the Freezing Spray Advisory, moderate accumulation 
  of freezing spray. For the Small Craft Advisory, northwest 
  winds 15 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet.

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

* WHEN...For the Freezing Spray Advisory, until 1 PM EST this 
  afternoon. For the Small Craft Advisory, until 7 PM EST this 
  evening.

* IMPACTS...Operating a vessel in freezing spray is hazardous. 
  Freezing spray may render mechanical and electronic components 
  inoperative. Ice accretion on decks and superstructures may 
  result in some loss of stability. Conditions will be hazardous 
  to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for ice accumulation on their vessel and
consider altering plans to avoid or mitigate these hazardous
conditions. During freezing spray conditions, the U.S. Coast
Guard advises mariners to check and ensure all life-saving
devices remain free of ice. 

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

&&

$$

ANZ250-254-092000-
/O.CAN.KBOX.UP.W.0003.000000T0000Z-260209T1200Z/
/O.NEW.KBOX.UP.Y.0010.260209T0531Z-260209T1800Z/
/O.CON.KBOX.SC.Y.0018.000000T0000Z-260210T1200Z/
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-
1231 AM EST Mon Feb 9 2026

...FREEZING SPRAY ADVISORY IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
TUESDAY...
...HEAVY FREEZING SPRAY WARNING IS CANCELLED...

* WHAT...For the Freezing Spray Advisory, moderate accumulation 
  of freezing spray. For the Small Craft Advisory, northwest 
  winds 15 to 25 kt and seas 5 to 8 feet.

* 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 Freezing Spray Advisory, until 1 PM EST this 
  afternoon. For the Small Craft Advisory, until 7 AM EST 
  Tuesday.

* IMPACTS...Operating a vessel in freezing spray is hazardous. 
  Freezing spray may render mechanical and electronic components 
  inoperative. Ice accretion on decks and superstructures may 
  result in some loss of stability. Conditions will be hazardous 
  to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for ice accumulation on their vessel and
consider altering plans to avoid or mitigate these hazardous
conditions. During freezing spray conditions, the U.S. Coast
Guard advises mariners to check and ensure all life-saving
devices remain free of ice. 

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

&&

$$

ANZ255-256-092000-
/O.CAN.KBOX.UP.W.0003.000000T0000Z-260209T1200Z/
/O.NEW.KBOX.UP.Y.0010.260209T0531Z-260209T1800Z/
/O.CON.KBOX.SC.Y.0018.000000T0000Z-260210T1200Z/
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-
1231 AM EST Mon Feb 9 2026

...FREEZING SPRAY ADVISORY IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
TUESDAY...
...HEAVY FREEZING SPRAY WARNING IS CANCELLED...

* WHAT...For the Freezing Spray Advisory, moderate accumulation 
  of freezing spray. For the Small Craft Advisory, northwest 
  winds 15 to 25 kt and seas 4 to 7 feet.

* 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 Freezing Spray Advisory, until 1 PM EST this 
  afternoon. For the Small Craft Advisory, until 7 AM EST 
  Tuesday.

* IMPACTS...Operating a vessel in freezing spray is hazardous. 
  Freezing spray may render mechanical and electronic components 
  inoperative. Ice accretion on decks and superstructures may 
  result in some loss of stability. Conditions will be hazardous 
  to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for ice accumulation on their vessel and
consider altering plans to avoid or mitigate these hazardous
conditions. During freezing spray conditions, the U.S. Coast
Guard advises mariners to check and ensure all life-saving
devices remain free of ice. 

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

&&

$$

ANZ233>237-091800-
/O.CAN.KBOX.UP.W.0003.000000T0000Z-260209T1200Z/
/O.NEW.KBOX.UP.Y.0010.260209T0531Z-260209T1800Z/
Vineyard Sound-Buzzards Bay-Rhode Island Sound-Narragansett Bay-
Block Island Sound-
1231 AM EST Mon Feb 9 2026

...FREEZING SPRAY ADVISORY IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...
...HEAVY FREEZING SPRAY WARNING IS CANCELLED...

* WHAT...Moderate accumulation of freezing spray.

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

* WHEN...Until 1 PM EST this afternoon.

* IMPACTS...Operating a vessel in freezing spray is hazardous. 
  Freezing spray may render mechanical and electronic components 
  inoperative. Ice accretion on decks and superstructures may 
  result in some loss of stability.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for ice accumulation on their vessel and
consider altering plans to avoid or mitigate these hazardous
conditions. During freezing spray conditions, the U.S. Coast
Guard advises mariners to check and ensure all life-saving
devices remain free of ice. 

&&

$$

ANZ230-092000-
/O.EXB.KBOX.SC.Y.0018.000000T0000Z-260209T2200Z/
Boston Harbor-
1231 AM EST Mon Feb 9 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EST THIS AFTERNOON...

* WHAT...Northwest winds 15 to 20 kt with gusts up to 25 kt and 
  waves around 2 feet.

* WHERE...Boston Harbor.

* WHEN...Until 5 PM EST this afternoon.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$


Action: New
Issued At: 2026-02-08 23:31:45

028 
WHUS71 KBOX 090531
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
1231 AM EST Mon Feb 9 2026

ANZ231-232-251-092000-
/O.CAN.KBOX.UP.W.0003.000000T0000Z-260209T1200Z/
/O.NEW.KBOX.UP.Y.0010.260209T0531Z-260209T1800Z/
/O.EXT.KBOX.SC.Y.0018.000000T0000Z-260210T0000Z/
Cape Cod Bay-Nantucket Sound-Massachusetts Bay and Ipswich Bay-
1231 AM EST Mon Feb 9 2026

...FREEZING SPRAY ADVISORY IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM EST THIS
EVENING...
...HEAVY FREEZING SPRAY WARNING IS CANCELLED...

* WHAT...For the Freezing Spray Advisory, moderate accumulation 
  of freezing spray. For the Small Craft Advisory, northwest 
  winds 15 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet.

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

* WHEN...For the Freezing Spray Advisory, until 1 PM EST this 
  afternoon. For the Small Craft Advisory, until 7 PM EST this 
  evening.

* IMPACTS...Operating a vessel in freezing spray is hazardous. 
  Freezing spray may render mechanical and electronic components 
  inoperative. Ice accretion on decks and superstructures may 
  result in some loss of stability. Conditions will be hazardous 
  to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for ice accumulation on their vessel and
consider altering plans to avoid or mitigate these hazardous
conditions. During freezing spray conditions, the U.S. Coast
Guard advises mariners to check and ensure all life-saving
devices remain free of ice. 

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

&&

$$

ANZ250-254-092000-
/O.CAN.KBOX.UP.W.0003.000000T0000Z-260209T1200Z/
/O.NEW.KBOX.UP.Y.0010.260209T0531Z-260209T1800Z/
/O.CON.KBOX.SC.Y.0018.000000T0000Z-260210T1200Z/
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-
1231 AM EST Mon Feb 9 2026

...FREEZING SPRAY ADVISORY IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
TUESDAY...
...HEAVY FREEZING SPRAY WARNING IS CANCELLED...

* WHAT...For the Freezing Spray Advisory, moderate accumulation 
  of freezing spray. For the Small Craft Advisory, northwest 
  winds 15 to 25 kt and seas 5 to 8 feet.

* 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 Freezing Spray Advisory, until 1 PM EST this 
  afternoon. For the Small Craft Advisory, until 7 AM EST 
  Tuesday.

* IMPACTS...Operating a vessel in freezing spray is hazardous. 
  Freezing spray may render mechanical and electronic components 
  inoperative. Ice accretion on decks and superstructures may 
  result in some loss of stability. Conditions will be hazardous 
  to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for ice accumulation on their vessel and
consider altering plans to avoid or mitigate these hazardous
conditions. During freezing spray conditions, the U.S. Coast
Guard advises mariners to check and ensure all life-saving
devices remain free of ice. 

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

&&

$$

ANZ255-256-092000-
/O.CAN.KBOX.UP.W.0003.000000T0000Z-260209T1200Z/
/O.NEW.KBOX.UP.Y.0010.260209T0531Z-260209T1800Z/
/O.CON.KBOX.SC.Y.0018.000000T0000Z-260210T1200Z/
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-
1231 AM EST Mon Feb 9 2026

...FREEZING SPRAY ADVISORY IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
TUESDAY...
...HEAVY FREEZING SPRAY WARNING IS CANCELLED...

* WHAT...For the Freezing Spray Advisory, moderate accumulation 
  of freezing spray. For the Small Craft Advisory, northwest 
  winds 15 to 25 kt and seas 4 to 7 feet.

* 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 Freezing Spray Advisory, until 1 PM EST this 
  afternoon. For the Small Craft Advisory, until 7 AM EST 
  Tuesday.

* IMPACTS...Operating a vessel in freezing spray is hazardous. 
  Freezing spray may render mechanical and electronic components 
  inoperative. Ice accretion on decks and superstructures may 
  result in some loss of stability. Conditions will be hazardous 
  to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for ice accumulation on their vessel and
consider altering plans to avoid or mitigate these hazardous
conditions. During freezing spray conditions, the U.S. Coast
Guard advises mariners to check and ensure all life-saving
devices remain free of ice. 

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

&&

$$

ANZ233>237-091800-
/O.CAN.KBOX.UP.W.0003.000000T0000Z-260209T1200Z/
/O.NEW.KBOX.UP.Y.0010.260209T0531Z-260209T1800Z/
Vineyard Sound-Buzzards Bay-Rhode Island Sound-Narragansett Bay-
Block Island Sound-
1231 AM EST Mon Feb 9 2026

...FREEZING SPRAY ADVISORY IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...
...HEAVY FREEZING SPRAY WARNING IS CANCELLED...

* WHAT...Moderate accumulation of freezing spray.

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

* WHEN...Until 1 PM EST this afternoon.

* IMPACTS...Operating a vessel in freezing spray is hazardous. 
  Freezing spray may render mechanical and electronic components 
  inoperative. Ice accretion on decks and superstructures may 
  result in some loss of stability.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for ice accumulation on their vessel and
consider altering plans to avoid or mitigate these hazardous
conditions. During freezing spray conditions, the U.S. Coast
Guard advises mariners to check and ensure all life-saving
devices remain free of ice. 

&&

$$

ANZ230-092000-
/O.EXB.KBOX.SC.Y.0018.000000T0000Z-260209T2200Z/
Boston Harbor-
1231 AM EST Mon Feb 9 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EST THIS AFTERNOON...

* WHAT...Northwest winds 15 to 20 kt with gusts up to 25 kt and 
  waves around 2 feet.

* WHERE...Boston Harbor.

* WHEN...Until 5 PM EST this afternoon.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$


Action: New
Issued At: 2026-02-08 23:31:45

028 
WHUS71 KBOX 090531
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
1231 AM EST Mon Feb 9 2026

ANZ231-232-251-092000-
/O.CAN.KBOX.UP.W.0003.000000T0000Z-260209T1200Z/
/O.NEW.KBOX.UP.Y.0010.260209T0531Z-260209T1800Z/
/O.EXT.KBOX.SC.Y.0018.000000T0000Z-260210T0000Z/
Cape Cod Bay-Nantucket Sound-Massachusetts Bay and Ipswich Bay-
1231 AM EST Mon Feb 9 2026

...FREEZING SPRAY ADVISORY IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM EST THIS
EVENING...
...HEAVY FREEZING SPRAY WARNING IS CANCELLED...

* WHAT...For the Freezing Spray Advisory, moderate accumulation 
  of freezing spray. For the Small Craft Advisory, northwest 
  winds 15 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet.

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

* WHEN...For the Freezing Spray Advisory, until 1 PM EST this 
  afternoon. For the Small Craft Advisory, until 7 PM EST this 
  evening.

* IMPACTS...Operating a vessel in freezing spray is hazardous. 
  Freezing spray may render mechanical and electronic components 
  inoperative. Ice accretion on decks and superstructures may 
  result in some loss of stability. Conditions will be hazardous 
  to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for ice accumulation on their vessel and
consider altering plans to avoid or mitigate these hazardous
conditions. During freezing spray conditions, the U.S. Coast
Guard advises mariners to check and ensure all life-saving
devices remain free of ice. 

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

&&

$$

ANZ250-254-092000-
/O.CAN.KBOX.UP.W.0003.000000T0000Z-260209T1200Z/
/O.NEW.KBOX.UP.Y.0010.260209T0531Z-260209T1800Z/
/O.CON.KBOX.SC.Y.0018.000000T0000Z-260210T1200Z/
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-
1231 AM EST Mon Feb 9 2026

...FREEZING SPRAY ADVISORY IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
TUESDAY...
...HEAVY FREEZING SPRAY WARNING IS CANCELLED...

* WHAT...For the Freezing Spray Advisory, moderate accumulation 
  of freezing spray. For the Small Craft Advisory, northwest 
  winds 15 to 25 kt and seas 5 to 8 feet.

* 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 Freezing Spray Advisory, until 1 PM EST this 
  afternoon. For the Small Craft Advisory, until 7 AM EST 
  Tuesday.

* IMPACTS...Operating a vessel in freezing spray is hazardous. 
  Freezing spray may render mechanical and electronic components 
  inoperative. Ice accretion on decks and superstructures may 
  result in some loss of stability. Conditions will be hazardous 
  to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for ice accumulation on their vessel and
consider altering plans to avoid or mitigate these hazardous
conditions. During freezing spray conditions, the U.S. Coast
Guard advises mariners to check and ensure all life-saving
devices remain free of ice. 

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

&&

$$

ANZ255-256-092000-
/O.CAN.KBOX.UP.W.0003.000000T0000Z-260209T1200Z/
/O.NEW.KBOX.UP.Y.0010.260209T0531Z-260209T1800Z/
/O.CON.KBOX.SC.Y.0018.000000T0000Z-260210T1200Z/
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-
1231 AM EST Mon Feb 9 2026

...FREEZING SPRAY ADVISORY IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
TUESDAY...
...HEAVY FREEZING SPRAY WARNING IS CANCELLED...

* WHAT...For the Freezing Spray Advisory, moderate accumulation 
  of freezing spray. For the Small Craft Advisory, northwest 
  winds 15 to 25 kt and seas 4 to 7 feet.

* 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 Freezing Spray Advisory, until 1 PM EST this 
  afternoon. For the Small Craft Advisory, until 7 AM EST 
  Tuesday.

* IMPACTS...Operating a vessel in freezing spray is hazardous. 
  Freezing spray may render mechanical and electronic components 
  inoperative. Ice accretion on decks and superstructures may 
  result in some loss of stability. Conditions will be hazardous 
  to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for ice accumulation on their vessel and
consider altering plans to avoid or mitigate these hazardous
conditions. During freezing spray conditions, the U.S. Coast
Guard advises mariners to check and ensure all life-saving
devices remain free of ice. 

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

&&

$$

ANZ233>237-091800-
/O.CAN.KBOX.UP.W.0003.000000T0000Z-260209T1200Z/
/O.NEW.KBOX.UP.Y.0010.260209T0531Z-260209T1800Z/
Vineyard Sound-Buzzards Bay-Rhode Island Sound-Narragansett Bay-
Block Island Sound-
1231 AM EST Mon Feb 9 2026

...FREEZING SPRAY ADVISORY IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...
...HEAVY FREEZING SPRAY WARNING IS CANCELLED...

* WHAT...Moderate accumulation of freezing spray.

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

* WHEN...Until 1 PM EST this afternoon.

* IMPACTS...Operating a vessel in freezing spray is hazardous. 
  Freezing spray may render mechanical and electronic components 
  inoperative. Ice accretion on decks and superstructures may 
  result in some loss of stability.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for ice accumulation on their vessel and
consider altering plans to avoid or mitigate these hazardous
conditions. During freezing spray conditions, the U.S. Coast
Guard advises mariners to check and ensure all life-saving
devices remain free of ice. 

&&

$$

ANZ230-092000-
/O.EXB.KBOX.SC.Y.0018.000000T0000Z-260209T2200Z/
Boston Harbor-
1231 AM EST Mon Feb 9 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EST THIS AFTERNOON...

* WHAT...Northwest winds 15 to 20 kt with gusts up to 25 kt and 
  waves around 2 feet.

* WHERE...Boston Harbor.

* WHEN...Until 5 PM EST this afternoon.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$


Action: New
Issued At: 2026-02-08 23:31:45

028 
WHUS71 KBOX 090531
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
1231 AM EST Mon Feb 9 2026

ANZ231-232-251-092000-
/O.CAN.KBOX.UP.W.0003.000000T0000Z-260209T1200Z/
/O.NEW.KBOX.UP.Y.0010.260209T0531Z-260209T1800Z/
/O.EXT.KBOX.SC.Y.0018.000000T0000Z-260210T0000Z/
Cape Cod Bay-Nantucket Sound-Massachusetts Bay and Ipswich Bay-
1231 AM EST Mon Feb 9 2026

...FREEZING SPRAY ADVISORY IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM EST THIS
EVENING...
...HEAVY FREEZING SPRAY WARNING IS CANCELLED...

* WHAT...For the Freezing Spray Advisory, moderate accumulation 
  of freezing spray. For the Small Craft Advisory, northwest 
  winds 15 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet.

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

* WHEN...For the Freezing Spray Advisory, until 1 PM EST this 
  afternoon. For the Small Craft Advisory, until 7 PM EST this 
  evening.

* IMPACTS...Operating a vessel in freezing spray is hazardous. 
  Freezing spray may render mechanical and electronic components 
  inoperative. Ice accretion on decks and superstructures may 
  result in some loss of stability. Conditions will be hazardous 
  to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for ice accumulation on their vessel and
consider altering plans to avoid or mitigate these hazardous
conditions. During freezing spray conditions, the U.S. Coast
Guard advises mariners to check and ensure all life-saving
devices remain free of ice. 

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

&&

$$

ANZ250-254-092000-
/O.CAN.KBOX.UP.W.0003.000000T0000Z-260209T1200Z/
/O.NEW.KBOX.UP.Y.0010.260209T0531Z-260209T1800Z/
/O.CON.KBOX.SC.Y.0018.000000T0000Z-260210T1200Z/
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-
1231 AM EST Mon Feb 9 2026

...FREEZING SPRAY ADVISORY IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
TUESDAY...
...HEAVY FREEZING SPRAY WARNING IS CANCELLED...

* WHAT...For the Freezing Spray Advisory, moderate accumulation 
  of freezing spray. For the Small Craft Advisory, northwest 
  winds 15 to 25 kt and seas 5 to 8 feet.

* 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 Freezing Spray Advisory, until 1 PM EST this 
  afternoon. For the Small Craft Advisory, until 7 AM EST 
  Tuesday.

* IMPACTS...Operating a vessel in freezing spray is hazardous. 
  Freezing spray may render mechanical and electronic components 
  inoperative. Ice accretion on decks and superstructures may 
  result in some loss of stability. Conditions will be hazardous 
  to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for ice accumulation on their vessel and
consider altering plans to avoid or mitigate these hazardous
conditions. During freezing spray conditions, the U.S. Coast
Guard advises mariners to check and ensure all life-saving
devices remain free of ice. 

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

&&

$$

ANZ255-256-092000-
/O.CAN.KBOX.UP.W.0003.000000T0000Z-260209T1200Z/
/O.NEW.KBOX.UP.Y.0010.260209T0531Z-260209T1800Z/
/O.CON.KBOX.SC.Y.0018.000000T0000Z-260210T1200Z/
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-
1231 AM EST Mon Feb 9 2026

...FREEZING SPRAY ADVISORY IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
TUESDAY...
...HEAVY FREEZING SPRAY WARNING IS CANCELLED...

* WHAT...For the Freezing Spray Advisory, moderate accumulation 
  of freezing spray. For the Small Craft Advisory, northwest 
  winds 15 to 25 kt and seas 4 to 7 feet.

* 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 Freezing Spray Advisory, until 1 PM EST this 
  afternoon. For the Small Craft Advisory, until 7 AM EST 
  Tuesday.

* IMPACTS...Operating a vessel in freezing spray is hazardous. 
  Freezing spray may render mechanical and electronic components 
  inoperative. Ice accretion on decks and superstructures may 
  result in some loss of stability. Conditions will be hazardous 
  to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for ice accumulation on their vessel and
consider altering plans to avoid or mitigate these hazardous
conditions. During freezing spray conditions, the U.S. Coast
Guard advises mariners to check and ensure all life-saving
devices remain free of ice. 

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

&&

$$

ANZ233>237-091800-
/O.CAN.KBOX.UP.W.0003.000000T0000Z-260209T1200Z/
/O.NEW.KBOX.UP.Y.0010.260209T0531Z-260209T1800Z/
Vineyard Sound-Buzzards Bay-Rhode Island Sound-Narragansett Bay-
Block Island Sound-
1231 AM EST Mon Feb 9 2026

...FREEZING SPRAY ADVISORY IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...
...HEAVY FREEZING SPRAY WARNING IS CANCELLED...

* WHAT...Moderate accumulation of freezing spray.

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

* WHEN...Until 1 PM EST this afternoon.

* IMPACTS...Operating a vessel in freezing spray is hazardous. 
  Freezing spray may render mechanical and electronic components 
  inoperative. Ice accretion on decks and superstructures may 
  result in some loss of stability.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for ice accumulation on their vessel and
consider altering plans to avoid or mitigate these hazardous
conditions. During freezing spray conditions, the U.S. Coast
Guard advises mariners to check and ensure all life-saving
devices remain free of ice. 

&&

$$

ANZ230-092000-
/O.EXB.KBOX.SC.Y.0018.000000T0000Z-260209T2200Z/
Boston Harbor-
1231 AM EST Mon Feb 9 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EST THIS AFTERNOON...

* WHAT...Northwest winds 15 to 20 kt with gusts up to 25 kt and 
  waves around 2 feet.

* WHERE...Boston Harbor.

* WHEN...Until 5 PM EST this afternoon.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$



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