Alert archive / Massachusetts / Small Craft Advisories in 2024

Small Craft Advisory 21, NWS Boston/Norton, MA

February 17, 2024

NWS Boston/Norton, MA issued this small craft advisory at Feb 17, 2024, 3:19 AM EST. It took effect at Feb 17, 2024, 5:00 PM EST. It was in force for 44 hr.

The area

The counties it named.

The facts

Issued
Feb 17, 2024, 3:19 AM EST (08:19 UTC)
In effect from
Feb 17, 2024, 5:00 PM EST
Expired
Feb 19, 2024, 1:00 PM EST
In force
44 hr
Issued by
NWS Boston/Norton, MA

The text

As transmitted.

240 
WHUS71 KBOX 170819
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
319 AM EST Sat Feb 17 2024

ANZ250-172130-
/O.NEW.KBOX.SC.Y.0021.240217T2200Z-240219T1200Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
319 AM EST Sat Feb 17 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO
7 AM EST MONDAY...

* WHAT...West winds 20 to 30 kt and seas 4 to 6 feet expected.

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

* WHEN...From 5 PM this afternoon to 7 AM EST Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ237-172130-
/O.NEW.KBOX.SC.Y.0021.240217T2200Z-240219T1200Z/
Block Island Sound-
319 AM EST Sat Feb 17 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO
7 AM EST MONDAY...

* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and seas 
  4 to 7 feet expected.

* WHERE...Block Island Sound.

* WHEN...From 5 PM this afternoon to 7 AM EST Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ231-251-172130-
/O.NEW.KBOX.SC.Y.0021.240217T2200Z-240219T1200Z/
Cape Cod Bay-Massachusetts Bay and Ipswich Bay-
319 AM EST Sat Feb 17 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO
7 AM EST MONDAY...

* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and seas 
  2 to 4 feet expected.

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

* WHEN...From 5 PM this afternoon to 7 AM EST Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ230-172130-
/O.NEW.KBOX.SC.Y.0021.240217T2200Z-240218T0900Z/
Boston Harbor-
319 AM EST Sat Feb 17 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO
4 AM EST SUNDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt and 
  waves 1 to 2 feet expected.

* WHERE...Boston Harbor.

* WHEN...From 5 PM this afternoon to 4 AM EST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ236-172130-
/O.NEW.KBOX.SC.Y.0021.240217T2200Z-240219T0600Z/
Narragansett Bay-
319 AM EST Sat Feb 17 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO
1 AM EST MONDAY...

* WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves 
  4 to 6 feet expected.

* WHERE...Narragansett Bay.

* WHEN...From 5 PM this afternoon to 1 AM EST Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ254>256-172130-
/O.NEW.KBOX.GL.A.0007.240218T1800Z-240219T0600Z/
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-
319 AM EST Sat Feb 17 2024

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

* WHAT...West winds 20 to 30 kt with gusts up to 35 kt and seas 
  6 to 9 feet possible.

* 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 Sunday afternoon through late Sunday night.

* IMPACTS...Strong winds can cause hazardous seas 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 waves.

&&

$$

ANZ232>235-172130-
/O.NEW.KBOX.GL.A.0007.240218T1800Z-240219T0600Z/
Nantucket Sound-Vineyard Sound-Buzzards Bay-Rhode Island Sound-
319 AM EST Sat Feb 17 2024

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

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

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

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

* IMPACTS...Strong winds can cause hazardous seas 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.

&&

$$
5 follow-up statements
067 
WHUS71 KBOX 172028
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
328 PM EST Sat Feb 17 2024

ANZ254>256-180930-
/O.UPG.KBOX.GL.A.0007.240218T1800Z-240219T0600Z/
/O.NEW.KBOX.GL.W.0009.240218T1600Z-240219T0600Z/
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-
328 PM EST Sat Feb 17 2024

...GALE WARNING IN EFFECT FROM 11 AM SUNDAY TO 1 AM EST MONDAY...

* WHAT...Southwest winds 20 to 25 kt with gusts up to 40 kt and 
  seas 5 to 8 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 11 AM Sunday to 1 AM 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 severe conditions.

&&

$$

ANZ232-233-235-180930-
/O.UPG.KBOX.GL.A.0007.240218T1800Z-240219T0600Z/
/O.NEW.KBOX.GL.W.0009.240218T1800Z-240219T0600Z/
Nantucket Sound-Vineyard Sound-Rhode Island Sound-
328 PM EST Sat Feb 17 2024

...GALE WARNING IN EFFECT FROM 1 PM SUNDAY TO 1 AM EST MONDAY...

* WHAT...West winds 20 to 25 kt with gusts up to 35 kt and seas 
  4 to 6 feet expected.

* WHERE...In Massachusetts coastal waters, Nantucket Sound and 
  Vineyard Sound. In Rhode Island coastal waters, Rhode Island 
  Sound.

* WHEN...From 1 PM Sunday to 1 AM 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 severe conditions.

&&

$$

ANZ234-180930-
/O.EXA.KBOX.SC.Y.0021.240217T2200Z-240219T1200Z/
/O.UPG.KBOX.GL.A.0007.240218T1800Z-240219T0600Z/
Buzzards Bay-
328 PM EST Sat Feb 17 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST MONDAY...

* WHAT...West winds 15 to 25 kt with gusts up to 35 kt and seas 
  3 to 5 feet expected.

* WHERE...Buzzards Bay.

* WHEN...Until 7 AM EST Monday.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ250-180930-
/O.CON.KBOX.SC.Y.0021.240217T2200Z-240219T1200Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
328 PM EST Sat Feb 17 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST MONDAY...

* WHAT...West winds 20 to 30 kt and seas 4 to 6 feet expected.

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

* WHEN...From 5 PM this afternoon to 7 AM EST Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ237-180930-
/O.CON.KBOX.SC.Y.0021.240217T2200Z-240219T1200Z/
Block Island Sound-
328 PM EST Sat Feb 17 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST MONDAY...

* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and seas 
  4 to 7 feet expected.

* WHERE...Block Island Sound.

* WHEN...From 5 PM this afternoon to 7 AM EST Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ231-251-180930-
/O.CON.KBOX.SC.Y.0021.240217T2200Z-240219T1200Z/
Cape Cod Bay-Massachusetts Bay and Ipswich Bay-
328 PM EST Sat Feb 17 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST MONDAY...

* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and seas 
  2 to 4 feet expected.

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

* WHEN...From 5 PM this afternoon to 7 AM EST Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ230-180900-
/O.CON.KBOX.SC.Y.0021.240217T2200Z-240218T0900Z/
Boston Harbor-
328 PM EST Sat Feb 17 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST SUNDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt and 
  waves 1 to 2 feet expected.

* WHERE...Boston Harbor.

* WHEN...From 5 PM this afternoon to 4 AM EST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ236-180930-
/O.CON.KBOX.SC.Y.0021.240217T2200Z-240219T0600Z/
Narragansett Bay-
328 PM EST Sat Feb 17 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST MONDAY...

* WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves 
  4 to 6 feet expected.

* WHERE...Narragansett Bay.

* WHEN...From 5 PM this afternoon to 1 AM EST Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
587 
WHUS71 KBOX 180752
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
252 AM EST Sun Feb 18 2024

ANZ231-182100-
/O.UPG.KBOX.SC.Y.0021.000000T0000Z-240219T1200Z/
/O.EXA.KBOX.GL.W.0009.240218T1600Z-240219T0600Z/
Cape Cod Bay-
252 AM EST Sun Feb 18 2024

...GALE WARNING IN EFFECT FROM 11 AM THIS MORNING TO 1 AM EST
MONDAY...

* WHAT...Southwest winds 15 to 25 kt with gusts up to 35 kt and 
  seas 3 to 5 feet expected.

* WHERE...Cape Cod Bay.

* WHEN...From 11 AM this morning to 1 AM 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 severe conditions.

&&

$$

ANZ234-237-182100-
/O.UPG.KBOX.SC.Y.0021.000000T0000Z-240219T1200Z/
/O.EXA.KBOX.GL.W.0009.240218T1600Z-240219T0600Z/
Buzzards Bay-Block Island Sound-
252 AM EST Sun Feb 18 2024

...GALE WARNING IN EFFECT FROM 11 AM THIS MORNING TO 1 AM EST
MONDAY...

* WHAT...West winds 20 to 30 kt with gusts up to 40 kt and seas 
  4 to 6 feet expected.

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

* WHEN...From 11 AM this morning to 1 AM 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 severe conditions.

&&

$$

ANZ232-233-235-182100-
/O.EXT.KBOX.GL.W.0009.240218T1600Z-240219T0600Z/
Nantucket Sound-Vineyard Sound-Rhode Island Sound-
252 AM EST Sun Feb 18 2024

...GALE WARNING NOW IN EFFECT FROM 11 AM THIS MORNING TO 1 AM EST
MONDAY...

* WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and 
  seas 4 to 6 feet expected.

* WHERE...In Massachusetts coastal waters, Nantucket Sound and 
  Vineyard Sound. In Rhode Island coastal waters, Rhode Island 
  Sound.

* WHEN...From 11 AM this morning to 1 AM 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 severe conditions.

&&

$$

ANZ254>256-182100-
/O.CON.KBOX.GL.W.0009.240218T1600Z-240219T0600Z/
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-
252 AM EST Sun Feb 18 2024

...GALE WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 1 AM
EST MONDAY...

* WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and 
  seas 5 to 8 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 11 AM this morning to 1 AM 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 severe conditions.

&&

$$

ANZ250-182100-
/O.EXT.KBOX.SC.Y.0021.000000T0000Z-240219T1800Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
252 AM EST Sun Feb 18 2024

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM EST MONDAY...

* WHAT...West winds 15 to 25 kt with gusts up to 35 kt and seas 
  4 to 6 feet.

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

* WHEN...Until 1 PM EST Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ251-182100-
/O.EXT.KBOX.SC.Y.0021.000000T0000Z-240219T1800Z/
Massachusetts Bay and Ipswich Bay-
252 AM EST Sun Feb 18 2024

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM EST MONDAY...

* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and seas 
  2 to 3 feet.

* WHERE...Massachusetts Bay and Ipswich Bay.

* WHEN...Until 1 PM EST Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ230-182100-
/O.EXT.KBOX.SC.Y.0021.000000T0000Z-240219T1500Z/
Boston Harbor-
252 AM EST Sun Feb 18 2024

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM EST MONDAY...

* WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves 
  1 to 2 feet.

* WHERE...Boston Harbor.

* WHEN...Until 10 AM EST Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ236-182100-
/O.EXT.KBOX.SC.Y.0021.000000T0000Z-240219T0900Z/
Narragansett Bay-
252 AM EST Sun Feb 18 2024

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM EST MONDAY...

* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and waves 
  3 to 5 feet.

* WHERE...Narragansett Bay.

* WHEN...Until 4 AM EST Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
114 
WHUS71 KBOX 182000
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
300 PM EST Sun Feb 18 2024

ANZ254>256-190600-
/O.CON.KBOX.GL.W.0009.000000T0000Z-240219T0600Z/
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-
300 PM EST Sun Feb 18 2024

...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST MONDAY...

* WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and 
  seas 5 to 8 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 11 AM this morning to 1 AM 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 severe conditions.

&&

$$

ANZ232>235-237-190600-
/O.CON.KBOX.GL.W.0009.000000T0000Z-240219T0600Z/
Nantucket Sound-Vineyard Sound-Buzzards Bay-Rhode Island Sound-
Block Island Sound-
300 PM EST Sun Feb 18 2024

...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST MONDAY...

* WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and 
  seas 4 to 6 feet expected.

* WHERE...In Massachusetts coastal waters, Nantucket Sound and 
  Vineyard Sound. In Rhode Island coastal waters, Rhode Island 
  Sound.

* WHEN...From 11 AM this morning to 1 AM 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 severe conditions.

&&

$$

ANZ231-190600-
/O.CON.KBOX.GL.W.0009.000000T0000Z-240219T0600Z/
Cape Cod Bay-
300 PM EST Sun Feb 18 2024

...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST MONDAY...

* WHAT...Southwest winds 15 to 25 kt with gusts up to 35 kt and 
  seas 3 to 5 feet expected.

* WHERE...Cape Cod Bay.

* WHEN...From 11 AM this morning to 1 AM 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 severe conditions.

&&

$$

ANZ250-190900-
/O.CON.KBOX.SC.Y.0021.000000T0000Z-240219T1800Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
300 PM EST Sun Feb 18 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST MONDAY...

* WHAT...West winds 15 to 25 kt with gusts up to 35 kt and seas 
  4 to 6 feet.

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

* WHEN...Until 1 PM EST Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ251-190900-
/O.CON.KBOX.SC.Y.0021.000000T0000Z-240219T1800Z/
Massachusetts Bay and Ipswich Bay-
300 PM EST Sun Feb 18 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST MONDAY...

* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and seas 
  2 to 3 feet.

* WHERE...Massachusetts Bay and Ipswich Bay.

* WHEN...Until 1 PM EST Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ230-190900-
/O.CON.KBOX.SC.Y.0021.000000T0000Z-240219T1500Z/
Boston Harbor-
300 PM EST Sun Feb 18 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
MONDAY...

* WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves 
  1 to 2 feet.

* WHERE...Boston Harbor.

* WHEN...Until 10 AM EST Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ236-190900-
/O.CON.KBOX.SC.Y.0021.000000T0000Z-240219T0900Z/
Narragansett Bay-
300 PM EST Sun Feb 18 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST MONDAY...

* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and waves 
  3 to 5 feet.

* WHERE...Narragansett Bay.

* WHEN...Until 4 AM EST Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
756 
WHUS71 KBOX 190157
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
857 PM EST Sun Feb 18 2024

ANZ231-191500-
/O.CAN.KBOX.GL.W.0009.000000T0000Z-240219T0600Z/
/O.EXA.KBOX.SC.Y.0021.000000T0000Z-240219T1800Z/
Cape Cod Bay-
857 PM EST Sun Feb 18 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST MONDAY...
...GALE WARNING IS CANCELLED...

* WHAT...West winds 10 to 20 kt with gusts up to 25 kt and seas 
  3 to 5 feet.

* WHERE...Cape Cod Bay.

* WHEN...Until 1 PM EST Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ254>256-191500-
/O.CAN.KBOX.GL.W.0009.000000T0000Z-240219T0600Z/
/O.EXA.KBOX.SC.Y.0021.000000T0000Z-240219T1800Z/
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-
857 PM EST Sun Feb 18 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST MONDAY...
...GALE WARNING IS CANCELLED...

* WHAT...West winds 10 to 20 kt with gusts up to 30 kt and seas 
  5 to 8 feet.

* 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...Until 1 PM EST Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ232>235-237-191200-
/O.CAN.KBOX.GL.W.0009.000000T0000Z-240219T0600Z/
/O.EXB.KBOX.SC.Y.0021.000000T0000Z-240219T1200Z/
Nantucket Sound-Vineyard Sound-Buzzards Bay-Rhode Island Sound-
Block Island Sound-
857 PM EST Sun Feb 18 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST MONDAY...
...GALE WARNING IS CANCELLED...

* WHAT...West winds 15 to 20 kt with gusts up to 30 kt and seas 
  3 to 5 feet.

* 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...Until 7 AM EST Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ250-191500-
/O.CON.KBOX.SC.Y.0021.000000T0000Z-240219T1800Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
857 PM EST Sun Feb 18 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST MONDAY...

* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and seas 
  4 to 6 feet.

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

* WHEN...Until 1 PM EST Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ251-191500-
/O.CON.KBOX.SC.Y.0021.000000T0000Z-240219T1800Z/
Massachusetts Bay and Ipswich Bay-
857 PM EST Sun Feb 18 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST MONDAY...

* WHAT...West winds 15 to 20 kt with gusts up to 30 kt and seas 
  2 to 3 feet.

* WHERE...Massachusetts Bay and Ipswich Bay.

* WHEN...Until 1 PM EST Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ230-191500-
/O.CON.KBOX.SC.Y.0021.000000T0000Z-240219T1500Z/
Boston Harbor-
857 PM EST Sun Feb 18 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
MONDAY...

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

* WHERE...Boston Harbor.

* WHEN...Until 10 AM EST Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ236-190900-
/O.CON.KBOX.SC.Y.0021.000000T0000Z-240219T0900Z/
Narragansett Bay-
857 PM EST Sun Feb 18 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST MONDAY...

* WHAT...West winds 10 to 15 kt with gusts up to 25 kt and waves 
  2 to 4 feet.

* WHERE...Narragansett Bay.

* WHEN...Until 4 AM EST Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
399 
WHUS71 KBOX 190740
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
240 AM EST Mon Feb 19 2024

ANZ236-190845-
/O.CAN.KBOX.SC.Y.0021.000000T0000Z-240219T0900Z/
Narragansett Bay-
240 AM EST Mon Feb 19 2024

...SMALL CRAFT ADVISORY IS CANCELLED...

$$

ANZ232>235-237-191500-
/O.EXT.KBOX.SC.Y.0021.000000T0000Z-240219T1500Z/
Nantucket Sound-Vineyard Sound-Buzzards Bay-Rhode Island Sound-
Block Island Sound-
240 AM EST Mon Feb 19 2024

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* WHAT...West winds 15 to 20 kt with gusts up to 25 kt and seas 
  3 to 5 feet.

* 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...Until 10 AM EST this morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ250-254-191800-
/O.CON.KBOX.SC.Y.0021.000000T0000Z-240219T1800Z/
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-
240 AM EST Mon Feb 19 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and seas 
  4 to 6 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...Until 1 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.

&&

$$

ANZ231-251-191800-
/O.CON.KBOX.SC.Y.0021.000000T0000Z-240219T1800Z/
Cape Cod Bay-Massachusetts Bay and Ipswich Bay-
240 AM EST Mon Feb 19 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

* WHAT...West winds 15 to 20 kt with gusts up to 30 kt and seas 
  2 to 4 feet.

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

* WHEN...Until 1 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.

&&

$$

ANZ230-191500-
/O.CON.KBOX.SC.Y.0021.000000T0000Z-240219T1500Z/
Boston Harbor-
240 AM EST Mon Feb 19 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

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

* WHERE...Boston Harbor.

* WHEN...Until 10 AM EST this morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ255-256-191800-
/O.CON.KBOX.SC.Y.0021.000000T0000Z-240219T1800Z/
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-
240 AM EST Mon Feb 19 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

* WHAT...Northwest winds 15 to 20 kt with gusts up to 30 kt and 
  seas 5 to 8 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...Until 1 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.

&&

$$

The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 17, 3:19 AM ESTGale WatchBOX12 hr
Feb 17, 12:44 PM ESTSpecial Weather StatementBOXMiddlesex, Worcester61 min
Feb 17, 1:51 PM ESTSnow Squall WarningBOXHampden, Middlesex, Norfolk, Suffolk, Worcester24 min
Feb 17, 2:26 PM ESTSnow Squall WarningBOXHampden, Worcester34 min
Feb 17, 2:28 PM ESTSnow Squall WarningBOXBristol, Middlesex, Norfolk, Plymouth, Suffolk, Worcester32 min
Feb 17, 2:41 PM ESTSpecial Weather StatementBOXEssex34 min
Feb 17, 2:58 PM ESTSnow Squall WarningBOXBristol, Worcester32 min
Feb 17, 2:59 PM ESTSnow Squall WarningBOXBristol, Norfolk, Plymouth, Suffolk, Worcester31 min
Feb 17, 3:12 PM ESTSnow Squall WarningBOXEssex, Middlesex18 min
Feb 17, 3:26 PM ESTSnow Squall WarningBOXBristol34 min
Feb 17, 3:28 PM ESTGale WarningBOX29 hr
Feb 17, 3:28 PM ESTSnow Squall WarningBOXBristol, Norfolk, Plymouth32 min
Feb 17, 4:00 PM ESTSnow Squall WarningBOXBristol30 min
Feb 17, 2:13 PM ESTSpecial Weather StatementBOXProvidence62 min

Nearby

Small Craft Advisories in Massachusetts, 2024Every small craft advisory in 2024

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.